Article(id=1266686909171519539, tenantId=1146029695717560320, journalId=1266358798366031926, issueId=1266686777441018407, articleNumber=null, orderNo=null, doi=10.13532/j.jmsce.cn10-1638/td.2025-1347, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1757347200000, receivedDateStr=2025-09-09, revisedDate=1762876800000, revisedDateStr=2025-11-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1779931293051, onlineDateStr=2026-05-28, pubDate=1777046400000, pubDateStr=2026-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1779931293051, onlineIssueDateStr=2026-05-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1779931293051, creator=13701087609, updateTime=1779931293051, updator=13701087609, issue=Issue{id=1266686777441018407, tenantId=1146029695717560320, journalId=1266358798366031926, year='2026', volume='8', issue='2', pageStart='013014-1', pageEnd='023542-19', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1779931261643, creator=13701087609, updateTime=1779931348520, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1266687141976358949, tenantId=1146029695717560320, journalId=1266358798366031926, issueId=1266686777441018407, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1266687141976358950, tenantId=1146029695717560320, journalId=1266358798366031926, issueId=1266686777441018407, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=023025-1, endPage=023025-15, ext={EN=ArticleExt(id=1266686909427372085, articleId=1266686909171519539, tenantId=1146029695717560320, journalId=1266358798366031926, language=EN, title=Study on height prediction of overburden fracture zone under repeated mining of multi-coal seams in Yushenfu mining area, columnId=1266686778661560874, journalTitle=Journal of Mining and Strata Control Engineering, columnName=Engineering Case, runingTitle=null, highlight=null, articleAbstract=
The Yushenfu mining area is characterized by shallow coal seams, thin overlying bedrock, and thick loose layers, and most mines in this mining area involve repeated mining of multiple coal seams. Affected by multiple factors such as coal seam mining height and spacing, the spatial interaction of surrounding rock in the upper and lower stopes makes it challenging to accurately predict fracture zone height. In this paper, the fracture zone height under multi-coal seam repeated mining in typical coal mines in the Yushenfu mining area was taken as the research object, and the research methods of physical similarity simulation, theoretical analysis, and deep learning were used. First, the fracture development law under multi-coal seam repeated mining was analyzed. Subsequently, a multi-factor coupling nonlinear regression model was established to describe the relationship between the fracture zone height and key parameters, including coal seam mining height, spacing, burial depth, dip angle, working face length, and interval rock strength. On this basis, the prediction method of fracture zone height under multi-coal seam repeated mining based on the SSA-BP neural network was established, and its accuracy was verified. The results indicate that the fracture development under repeated mining in Ciyaota Coal Mine exhibits a three-stage characteristic, i.e., localized slow growth, nonlinear rapid increase through interconnection, and dynamic stabilization. The ultimate height of the fracture zone reaches 139.0 m. The nonlinear regression model incorporating the coupled effects of coal seam mining height, interlayer spacing, strength of intervening rock strata, and working face length achieves an R2 value of 0.880, confirming these parameters as key influencing factors for the fracture zone height. Compared to predictions from traditional empirical formulas and the BP model, the SSA-BP model demonstrates reductions in MAPE values by 22.96% and 6.70%, respectively, and attains a low RMSE of 1.79, indicating superior stability. Validation at the 14205 working face of Zhonghui Funeng Coal Mine in the Yushenfu mining area shows a relative error of 1.3% between the predicted and measured heights, well below 5%. The study demonstrates strong generalizability for predicting the height of water-conducting fracture zones under multi-coal seam repeated mining in the Yushenfu mining area and provides valuable insights for water hazard prevention and control under such mining conditions.
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榆神府矿区煤层埋深浅、上覆基岩薄、松散层厚, 多数矿井涉及多煤层重复采动, 受煤层采高、间距等多因素影响, 上下采场围岩空间相互作用, 导致裂隙带高度难以精准预测。以榆神府矿区典型煤矿多煤层重复采动裂隙带高度为研究对象, 采用物理相似模拟、理论分析以及深度学习相结合的方法, 分析了多煤层重复采动裂隙发育规律, 构建了煤层采高、间距、埋深、倾角、工作面长度及间隔岩层坚固性系数与裂隙带高度的多因素耦合非线性回归模型, 建立了基于SSA-BP神经网络的多煤层重复采动裂隙带高度预测方法, 并验证了其准确性。研究结果表明: 瓷窑塔煤矿重复采动下裂隙发育呈现“局部缓慢增长—贯通非线性跃升—动态稳定”三阶段特征, 最终裂隙带发育高度为139.0 m; 煤层采高、间距、间隔岩层坚固性系数及工作面长度耦合下的非线性回归模型拟合系数R2为0.880, 为裂隙带发育高度关键影响因素; 对比传统经验公式与BP模型预测结果, SSA-BP模型预测MAPE值分别降低了22.96%、6.70%, RMSE值低至1.79, 稳定性更优; 以榆神府矿区中汇富能煤矿14205工作面为验证模型, 预测高度与实测高度相对误差为1.3%, 小于5%。研究对榆神府矿区多煤层开采导水裂隙带高度预测具有较强普适性, 可为该矿区多煤层开采水害防治提供有益借鉴。
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, authorsList=王红伟, 左开永, 陈玉涛, 董国良, 李延军, 焦建强, 白金源, 王力涛)}, authors=[Author(id=1266686926439469267, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=646937403@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1266686926577881304, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686926439469267, language=EN, stringName=Hongwei WANG, firstName=Hongwei, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1College of Energy Mining Engineering, Xi′an University of Science and Technology, Xi′an 710054, China
2Key Laboratory of Western Mine Exploitation and Hazard Prevention, China Ministry of Education, Xi′an University of Science and Technology, Xi′an 710054, China
3Shaanxi Provincial Key Lab of Ground Controlling, Xi′an University of Science and Technology, Xi′an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1266686926795985113, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686926439469267, language=CN, stringName=王红伟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1西安科技大学 能源与矿业工程学院, 陕西 西安 710054
2西安科技大学 西部矿井开采及灾害防治教育部重点实验室, 陕西 西安 710054
3西安科技大学 陕西省岩层控制重点实验室, 陕西 西安 710054, bio={"content":"
王红伟(1983—), 男, 湖北随州人, 教授, 博士生导师, 主要从事难采煤层开采等方面的研究。E-mail: 646937403@qq.com
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王红伟(1983—), 男, 湖北随州人, 教授, 博士生导师, 主要从事难采煤层开采等方面的研究。E-mail: 646937403@qq.com
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1College of Energy Mining Engineering, Xi′an University of Science and Technology, Xi′an 710054, China), AuthorCompanyExt(id=1266686925437030589, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925424447675, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西安科技大学 能源与矿业工程学院, 陕西 西安 710054)]), AuthorCompany(id=1266686925499945150, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, xref=2, ext=[AuthorCompanyExt(id=1266686925508333759, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925499945150, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Key Laboratory of Western Mine Exploitation and Hazard Prevention, China Ministry of Education, Xi′an University of Science and Technology, Xi′an 710054, China), AuthorCompanyExt(id=1266686925516722368, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925499945150, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西安科技大学 西部矿井开采及灾害防治教育部重点实验室, 陕西 西安 710054)]), AuthorCompany(id=1266686925604802754, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, xref=3, ext=[AuthorCompanyExt(id=1266686925608997059, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925604802754, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Shaanxi Provincial Key Lab of Ground Controlling, Xi′an University of Science and Technology, Xi′an 710054, China), AuthorCompanyExt(id=1266686925617385668, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925604802754, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3西安科技大学 陕西省岩层控制重点实验室, 陕西 西安 710054)])]), Author(id=1266686927211221211, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1266686927307690205, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686927211221211, language=EN, stringName=Kaiyong ZUO, firstName=Kaiyong, middleName=null, lastName=ZUO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1College of Energy Mining Engineering, Xi′an University of Science and Technology, Xi′an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1266686927626457310, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686927211221211, language=CN, stringName=左开永, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1西安科技大学 能源与矿业工程学院, 陕西 西安 710054, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1266686925424447675, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, xref=1, ext=[AuthorCompanyExt(id=1266686925432836284, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925424447675, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1College of Energy Mining Engineering, Xi′an University of Science and Technology, Xi′an 710054, China), AuthorCompanyExt(id=1266686925437030589, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925424447675, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西安科技大学 能源与矿业工程学院, 陕西 西安 710054)])]), Author(id=1266686927710343392, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=54476336@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1266686929383870690, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686927710343392, language=EN, stringName=Yutao CHEN, firstName=Yutao, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4CCTEG Chongqing Research Institute, Chongqing 400039, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1266686929467756771, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686927710343392, language=CN, stringName=陈玉涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4中煤科工集团重庆研究院有限公司, 重庆 400039, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1266686925676105926, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, xref=4, ext=[AuthorCompanyExt(id=1266686925680300231, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925676105926, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4CCTEG Chongqing Research Institute, Chongqing 400039, China), AuthorCompanyExt(id=1266686925688688840, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686925676105926, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4中煤科工集团重庆研究院有限公司, 重庆 400039)])]), Author(id=1266686929555837157, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1266686929786523879, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686929555837157, language=EN, stringName=Guoliang DONG, firstName=Guoliang, middleName=null, lastName=DONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
5, address=
5China Jikan Research Institute of Engineering Investigation and Design Co., Ltd., Xi′an 710043, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1266686930126262504, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686929555837157, language=CN, stringName=董国良, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
5, address=
5机械工业勘察设计研究院有限公司, 陕西 西安 710043, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1266686926049398986, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, xref=5, ext=[AuthorCompanyExt(id=1266686926057787595, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686926049398986, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5China Jikan Research Institute of Engineering Investigation and Design Co., Ltd., Xi′an 710043, China), AuthorCompanyExt(id=1266686926061981900, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, companyId=1266686926049398986, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5机械工业勘察设计研究院有限公司, 陕西 西安 710043)])]), Author(id=1266686930214342890, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1266686930302423276, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686930214342890, language=EN, stringName=Yanjun LI, firstName=Yanjun, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
6, address=
6CCTEG Xi'an Research Institute (Group) Co., Ltd., Xi′an 710077, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1266686930554081517, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, authorId=1266686930214342890, language=CN, stringName=李延军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
6, address=
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Identification method of mine water inrush source based on PCA-SSA-BPNN[J]. Journal of Mining & Safety Engineering, 2025, 42(2): 273−281., articleTitle=null, refAbstract=null), Reference(id=1266686948946104683, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=32, rfOrder=57, authorNames=null, journalName=null, refType=null, unstructuredReference=刘奇, 梁智昊, 訾建潇. SMOGN过采样下导水裂隙带高度的MPSO-BP预测模型[J]. 煤田地质与勘探, 2024, 52(11): 72−85., articleTitle=null, refAbstract=null), Reference(id=1266686949009019244, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=32, rfOrder=58, authorNames=null, journalName=null, refType=null, unstructuredReference=LIU Qi, LIANG Zhihao, ZI Jianxiao. A SMOGN-based MPSO-BP model to predict the height of a hydraulically conductive fracture zone[J]. 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6中煤科工集团西安研究院(集团)有限公司, 陕西 西安 710077)])], figs=[ArticleFig(id=1266686936883286279, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.1, caption=
Coal seam mining characteristics, figureFileSmall=tx4gAxBd6xjqfti7pmpCSw==, figureFileBig=SVLlW7rVrA/0BTjQq9jhoQ==, tableContent=null), ArticleFig(id=1266686938196103432, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图1, caption=
煤层开采特征, figureFileSmall=tx4gAxBd6xjqfti7pmpCSw==, figureFileBig=SVLlW7rVrA/0BTjQq9jhoQ==, tableContent=null), ArticleFig(id=1266686938426790153, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.2, caption=
Model measuring point layout diagram, figureFileSmall=UmeMYAqHag0UgC/vw72MFA==, figureFileBig=ayj97PX2hgFpZx6kt7+RDA==, tableContent=null), ArticleFig(id=1266686938531647754, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图2, caption=
模型测点布置示意, figureFileSmall=UmeMYAqHag0UgC/vw72MFA==, figureFileBig=ayj97PX2hgFpZx6kt7+RDA==, tableContent=null), ArticleFig(id=1266686938619728139, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.3, caption=
Displacement characteristics of surrounding rock in room-and-pillar mining, figureFileSmall=ed0aeOrPhMKJm/7z3Kk4ng==, figureFileBig=cZBZCH3/n3P+5v/kvuHMAQ==, tableContent=null), ArticleFig(id=1266686938678448396, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图3, caption=
房柱式开采围岩位移特征, figureFileSmall=ed0aeOrPhMKJm/7z3Kk4ng==, figureFileBig=cZBZCH3/n3P+5v/kvuHMAQ==, tableContent=null), ArticleFig(id=1266686938997215501, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.4, caption=
The height of fracture zone after the first weighting of 4−3 coal seam, figureFileSmall=M10PmUo9QLP2c4BJUMBwPw==, figureFileBig=EXRXqNvH+UsQbHtr2qzmYg==, tableContent=null), ArticleFig(id=1266686939081101582, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图4, caption=
4−3煤层初次来压后裂隙带高度, figureFileSmall=M10PmUo9QLP2c4BJUMBwPw==, figureFileBig=EXRXqNvH+UsQbHtr2qzmYg==, tableContent=null), ArticleFig(id=1266686939177570575, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.5, caption=
The height of fracture zone in goaf of 4−2 coal seam is not affected, figureFileSmall=b2Z7G5+6GgtkAibCbO1Yig==, figureFileBig=K2bAYPxeNa2is2yP9t1o6Q==, tableContent=null), ArticleFig(id=1266686939248873744, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图5, caption=
未波及4−2煤层采空区裂隙带高度, figureFileSmall=b2Z7G5+6GgtkAibCbO1Yig==, figureFileBig=K2bAYPxeNa2is2yP9t1o6Q==, tableContent=null), ArticleFig(id=1266686939320176913, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.6, caption=
The height of fractured zone in goaf of 4−2 coal seam is affected, figureFileSmall=iqt5zEPsiixXSLE+FKi6fg==, figureFileBig=Cq6CB4MGFXI3czHttY+W8Q==, tableContent=null), ArticleFig(id=1266686939370508562, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图6, caption=
波及4−2煤层采空区裂隙带高度, figureFileSmall=iqt5zEPsiixXSLE+FKi6fg==, figureFileBig=Cq6CB4MGFXI3czHttY+W8Q==, tableContent=null), ArticleFig(id=1266686939441811731, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.7, caption=
The height of fractured zone in goaf of 3−1 coal seam is affected, figureFileSmall=LIrtBqFy2Pj0UUrpHvo/SA==, figureFileBig=Nigdl2UhRvkdbnMPFUKhKA==, tableContent=null), ArticleFig(id=1266686939513114900, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图7, caption=
波及3−1煤层采空区裂隙带高度, figureFileSmall=LIrtBqFy2Pj0UUrpHvo/SA==, figureFileBig=Nigdl2UhRvkdbnMPFUKhKA==, tableContent=null), ArticleFig(id=1266686939580223765, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.8, caption=
Highly stable stage of fracture zone, figureFileSmall=1GGx6OqxAXgLopzI8kAYDQ==, figureFileBig=V9PNq9i+5OYUP7gEycN9kg==, tableContent=null), ArticleFig(id=1266686939643138326, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图8, caption=
裂隙带高度稳定阶段, figureFileSmall=1GGx6OqxAXgLopzI8kAYDQ==, figureFileBig=V9PNq9i+5OYUP7gEycN9kg==, tableContent=null), ArticleFig(id=1266686939701858583, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.9, caption=
Dynamic change process of fracture zone height in 4−3 coal seam mining, figureFileSmall=Sr2cR7u9i7LM94Vb0YgLew==, figureFileBig=4WaLhX8fOFma3VjvLbpJ4A==, tableContent=null), ArticleFig(id=1266686939785744664, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图9, caption=
4−3煤层开采裂隙带高度动态变化过程, figureFileSmall=Sr2cR7u9i7LM94Vb0YgLew==, figureFileBig=4WaLhX8fOFma3VjvLbpJ4A==, tableContent=null), ArticleFig(id=1266686939878019353, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.10, caption=
Fitting accuracy of nonlinear regression model, figureFileSmall=NsvRv1i24MFWFjXdBrwG4w==, figureFileBig=FXtSJjUtz037Ccm6P8QuCA==, tableContent=null), ArticleFig(id=1266686939953516826, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图10, caption=
非线性回归模型拟合精度, figureFileSmall=NsvRv1i24MFWFjXdBrwG4w==, figureFileBig=FXtSJjUtz037Ccm6P8QuCA==, tableContent=null), ArticleFig(id=1266686940024819995, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.11, caption=
Topological structure of fracture zone height prediction based on BP neural network, figureFileSmall=qRBThOgluZqOZWFgFdWKNg==, figureFileBig=UoegyyHv6nXLS6Yi5xtfLg==, tableContent=null), ArticleFig(id=1266686940100317468, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图11, caption=
BP神经网络裂隙带高度预测拓扑结构, figureFileSmall=qRBThOgluZqOZWFgFdWKNg==, figureFileBig=UoegyyHv6nXLS6Yi5xtfLg==, tableContent=null), ArticleFig(id=1266686940167426333, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.12, caption=
Flow chart of fracture height prediction model based on SSA-BP neural network, figureFileSmall=cBvFl5dEloo4h4m8eG5rpg==, figureFileBig=xnWTGWOyO4rEywBZrVebTw==, tableContent=null), ArticleFig(id=1266686940242923806, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图12, caption=
SSA-BP神经网络裂隙高度预测模型流程, figureFileSmall=cBvFl5dEloo4h4m8eG5rpg==, figureFileBig=xnWTGWOyO4rEywBZrVebTw==, tableContent=null), ArticleFig(id=1266686940322615583, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.13, caption=
Parameter optimization process, figureFileSmall=BGX1syzHZSfMsnh1zbgB7w==, figureFileBig=8+c/glfUvBiZ1mnfeRIF1g==, tableContent=null), ArticleFig(id=1266686940393918752, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图13, caption=
参数优化过程, figureFileSmall=BGX1syzHZSfMsnh1zbgB7w==, figureFileBig=8+c/glfUvBiZ1mnfeRIF1g==, tableContent=null), ArticleFig(id=1266686940486193441, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.14, caption=
The fitness curve of SSA-BP neural network, figureFileSmall=rgD01fFegbvGtiXpvvymiA==, figureFileBig=9sZoD4XXzMvdDeKFJJOXQw==, tableContent=null), ArticleFig(id=1266686940553302306, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图14, caption=
SSA-BP神经网络适应度曲线, figureFileSmall=rgD01fFegbvGtiXpvvymiA==, figureFileBig=9sZoD4XXzMvdDeKFJJOXQw==, tableContent=null), ArticleFig(id=1266686940628799779, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.15, caption=
Comparison of predicted and measured results of fracture zone height, figureFileSmall=mgdRMOWgAEEASOmofCSY/A==, figureFileBig=9MCMS3nyxNTzNTcw1n9inw==, tableContent=null), ArticleFig(id=1266686940691714340, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图15, caption=
裂隙带高度预测和实测的结果对比, figureFileSmall=mgdRMOWgAEEASOmofCSY/A==, figureFileBig=9MCMS3nyxNTzNTcw1n9inw==, tableContent=null), ArticleFig(id=1266686940771406117, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Fig.16, caption=
Borehole measurement of fracture zone development, figureFileSmall=U+iqskwhLBsocMnoXiyRTA==, figureFileBig=9j73h/36nRpskmamJeAQNA==, tableContent=null), ArticleFig(id=1266686940834320678, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=图16, caption=
钻孔布置及实测裂隙顶面, figureFileSmall=U+iqskwhLBsocMnoXiyRTA==, figureFileBig=9j73h/36nRpskmamJeAQNA==, tableContent=null), ArticleFig(id=1266686940901429543, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Table 1, caption=
Mechanical parameters of coal rock
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 岩层 | 层厚/m | 密度/(kg·m−3) | 抗压强度/MPa | 抗剪强度/MPa | 抗拉强度/MPa | 黏聚力/MPa | 内摩擦角/(°) | 配比号(河沙、石膏、大白、煤粉)/(kg·cm−1) |
| 1 | 回填土、矸石 | 80.65 | 2560 | 10.7 | 4.70 | 2.0 | 2.2 | 28.0 | 928(8.55 0.19 0.76) |
| 2 | 细砂岩 | 29.00 | 2320 | 30.3 | 4.15 | 2.0 | 2.6 | 36.8 | 746(8.4 0.48 0.72) |
| 3 | 3−1煤 | 2.76 | 1400 | 17.1 | 2.90 | 2.0 | 1.1 | 24.5 | 21∶1∶2∶21 |
| 4 | 粉砂岩 | 52.50 | 2320 | 30.3 | 4.15 | 2.0 | 1.5 | 42.0 | 737(8.4 0.36 0.84) |
| 5 | 4−2煤 | 1.69 | 1400 | 17.1 | 2.90 | 1.6 | 1.1 | 24.5 | 21∶1∶2∶21 |
| 6 | 细砂岩 | 14.90 | 2370 | 69.0 | 7.90 | 3.4 | 2.8 | 45.6 | 746(8.4 0.48 0.72) |
| 7 | 4−3煤 | 1.52 | 1400 | 17.1 | 2.90 | 3.4 | 1.1 | 24.5 | 21∶1∶2∶21 |
| 8 | 粉砂岩 | 2.00 | 2420 | 67.6 | 6.70 | 2.6 | 1.5 | 42.0 | 737(8.4 0.36 0.84) |
), ArticleFig(id=1266686940997898536, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=表1, caption=
煤岩力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 岩层 | 层厚/m | 密度/(kg·m−3) | 抗压强度/MPa | 抗剪强度/MPa | 抗拉强度/MPa | 黏聚力/MPa | 内摩擦角/(°) | 配比号(河沙、石膏、大白、煤粉)/(kg·cm−1) |
| 1 | 回填土、矸石 | 80.65 | 2560 | 10.7 | 4.70 | 2.0 | 2.2 | 28.0 | 928(8.55 0.19 0.76) |
| 2 | 细砂岩 | 29.00 | 2320 | 30.3 | 4.15 | 2.0 | 2.6 | 36.8 | 746(8.4 0.48 0.72) |
| 3 | 3−1煤 | 2.76 | 1400 | 17.1 | 2.90 | 2.0 | 1.1 | 24.5 | 21∶1∶2∶21 |
| 4 | 粉砂岩 | 52.50 | 2320 | 30.3 | 4.15 | 2.0 | 1.5 | 42.0 | 737(8.4 0.36 0.84) |
| 5 | 4−2煤 | 1.69 | 1400 | 17.1 | 2.90 | 1.6 | 1.1 | 24.5 | 21∶1∶2∶21 |
| 6 | 细砂岩 | 14.90 | 2370 | 69.0 | 7.90 | 3.4 | 2.8 | 45.6 | 746(8.4 0.48 0.72) |
| 7 | 4−3煤 | 1.52 | 1400 | 17.1 | 2.90 | 3.4 | 1.1 | 24.5 | 21∶1∶2∶21 |
| 8 | 粉砂岩 | 2.00 | 2420 | 67.6 | 6.70 | 2.6 | 1.5 | 42.0 | 737(8.4 0.36 0.84) |
), ArticleFig(id=1266686941069201705, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Table 2, caption=
The measured value of fracture zone height in Yushenfu mining area
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 矿井名称 | 煤层采高(自上而下)/m | 煤层间距(自上而下)/m | 间隔岩层坚固性系数 | 工作面长度/m | 煤层埋深/m | 煤层倾角/(°) | 裂隙带高度/m |
| 1 | 永兴煤矿 | 1.3、0.7 | 6.4 | 3.1 | 164 | 281 | 0.5 | 38.89 |
| 2 | 赵石畔煤矿 | 2.7、0.9 | 40 | 4.6 | 179 | 198 | 1.1 | 57.78 |
| 3 | 嘉元煤矿 | 3.2、5.1 | 27 | 2.91 | 280 | 178 | 0.3 | 98.80 |
| 4 | 新圪崂煤矿 | 3.5、1.3 | 12 | 2.51 | 130 | 126 | 0.9 | 44.54 |
| 5 | 魏墙煤矿 | 3.4、0.8 | 10 | 5.4 | 185 | 291 | 2.1 | 97.20 |
| 6 | 瑶渠煤矿 | 2.1、0.9 | 4 | 5.2 | 200 | 265 | 1.7 | 82.91 |
| 7 | 海则滩煤矿 | 2.4、0.7 | 31 | 4.1 | 168 | 319 | 1.3 | 59.50 |
| 8 | 郝家梁煤矿 | 3.1、1.5 | 15 | 3.7 | 220 | 356 | 0.9 | 64.57 |
| 9 | 大湾煤矿 | 3.1、1.8 | 46 | 5.9 | 130 | 342 | 0.5 | 39.48 |
| 10 | 工农联营煤矿 | 1.6、2.2 | 20 | 2.6 | 186 | 278 | 0.1 | 52.51 |
| 11 | 亿源煤矿 | 1.6、1.9 | 22 | 3.1 | 190 | 290 | 0.4 | 34.58 |
| 12 | 升富煤矿 | 2.5、3.1 | 30 | 3.9 | 200 | 387 | 1.2 | 64.94 |
| 13 | 丈八崖联办煤矿 | 1.2、1.1、3.5 | 31、17 | 2.76 | 186 | 298 | 1.6 | 50.04 |
| 14 | 华秦煤矿 | 2.4、1.6、1.7 | 22、19 | 2.5 | 200 | 403 | 2.1 | 43.36 |
| 15 | 恒益煤矿 | 2.4、1.7、1.9 | 21、25 | 3.5 | 156 | 434 | 2.5 | 35.81 |
| 16 | 下韩梁煤矿 | 3.7、1.1、3.1 | 31、35 | 3.1 | 151 | 467 | 2.7 | 75.81 |
| 17 | 中联煤矿 | 1.1、1.2、2.7 | 19、19 | 2.7 | 180 | 390 | 2.4 | 71.03 |
| 18 | 鸿锋煤矿 | 2.1、2.0、0.6 | 20、25 | 3.6 | 165 | 377 | 1.2 | 56.73 |
| 19 | 张三沟煤矿 | 3.4、1.4、2.0 | 19、63 | 2.7 | 210 | 394 | 1.9 | 75.29 |
| 20 | 大海则煤矿 | 6.3、3.9、1.8 | 35、47 | 4.5 | 212 | 298 | 0.5 | 143.48 |
| 21 | 黑龙沟煤矿 | 5.3、2.8、2.4、4.0 | 33、102、62 | 3.69 | 300 | 167 | 2.3 | 122.18 |
| 22 | 锦盛煤矿 | 2.6、2.1、1.2、1.7 | 38、37、19 | 3.2 | 194 | 178 | 1.2 | 36.46 |
| 23 | 石窑店煤矿 | 2.8、2.2、1.8、3.2 | 42、24、69 | 7.3 | 300 | 189 | 0.5 | 47.35 |
| 24 | 安山煤矿 | 2.6、2.1、1.4、1.8 | 18、25、17 | 2.6 | 190 | 239 | 0.3 | 62.34 |
| 25 | 石岩沟煤矿 | 1.7、2.1、0.7、2.7 | 26、59、39 | 3.1 | 180 | 287 | 0.9 | 47.90 |
| 26 | 郭家湾煤矿 | 1.9、1.7、1.4、1.1 | 16、22、17 | 2.8 | 170 | 267 | 1.2 | 31.96 |
| 27 | 板定梁煤矿 | 3.2、4.2、5.5、1.1 | 25、31、19 | 3.5 | 175 | 232 | 0.4 | 51.78 |
| 28 | 东梁煤矿 | 1.2、0.9、0.8、1.3 | 28、12、48 | 3.7 | 195 | 341 | 0.5 | 76.80 |
| 29 | 惠宝煤矿 | 3.4、2.8、2.6、5.1 | 33、44、43 | 3.9 | 228 | 398 | 0.2 | 86.04 |
| 30 | 万泰明煤矿 | 1.3、1.1、0.9、4.4 | 14、16、23 | 3.6 | 191 | 367 | 0.4 | 63.34 |
| 31 | 黄土庙煤矿 | 2.7、2.2.、1.3、1.2、3.6 | 39、22、15、24 | 5.26 | 150 | 198 | 1.2 | 55.32 |
| 32 | 升兴煤矿 | 2.9、1.1、1.7、1.5、1.5 | 18、63、44、13 | 3.4 | 220 | 289 | 1.4 | 51.86 |
| 33 | 天瑞煤矿 | 3.5、2.6、2.5、2.7、2.4 | 27、43、100、16 | 3.5 | 240 | 271 | 1.3 | 55.10 |
| 34 | 张家峁煤矿 | 7.6、2.7、3.5、1.4、6.1 | 31、42、20、36 | 2.98 | 300 | 403 | 0.4 | 98.32 |
| 35 | 大柳塔煤矿 | 1.4、6.5、4.4、0.8、5.6 | 25、43、34、33 | 2.99 | 260 | 197 | 0.2 | 146.72 |
| 36 | 黑拉畔煤矿 | 1.7、1.2、0.9、2.7、1.3 | 52、11、42、15 | 3.1 | 150 | 210 | 1.7 | 108.10 |
| 37 | 福庆煤矿 | 4.2、1.9、0.9、1.4、2.5 | 28、26、35、40 | 2.74 | 174 | 237 | 0.5 | 40.56 |
), ArticleFig(id=1266686942713368874, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=表2, caption=
榆神府矿区裂隙带高度实测数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 矿井名称 | 煤层采高(自上而下)/m | 煤层间距(自上而下)/m | 间隔岩层坚固性系数 | 工作面长度/m | 煤层埋深/m | 煤层倾角/(°) | 裂隙带高度/m |
| 1 | 永兴煤矿 | 1.3、0.7 | 6.4 | 3.1 | 164 | 281 | 0.5 | 38.89 |
| 2 | 赵石畔煤矿 | 2.7、0.9 | 40 | 4.6 | 179 | 198 | 1.1 | 57.78 |
| 3 | 嘉元煤矿 | 3.2、5.1 | 27 | 2.91 | 280 | 178 | 0.3 | 98.80 |
| 4 | 新圪崂煤矿 | 3.5、1.3 | 12 | 2.51 | 130 | 126 | 0.9 | 44.54 |
| 5 | 魏墙煤矿 | 3.4、0.8 | 10 | 5.4 | 185 | 291 | 2.1 | 97.20 |
| 6 | 瑶渠煤矿 | 2.1、0.9 | 4 | 5.2 | 200 | 265 | 1.7 | 82.91 |
| 7 | 海则滩煤矿 | 2.4、0.7 | 31 | 4.1 | 168 | 319 | 1.3 | 59.50 |
| 8 | 郝家梁煤矿 | 3.1、1.5 | 15 | 3.7 | 220 | 356 | 0.9 | 64.57 |
| 9 | 大湾煤矿 | 3.1、1.8 | 46 | 5.9 | 130 | 342 | 0.5 | 39.48 |
| 10 | 工农联营煤矿 | 1.6、2.2 | 20 | 2.6 | 186 | 278 | 0.1 | 52.51 |
| 11 | 亿源煤矿 | 1.6、1.9 | 22 | 3.1 | 190 | 290 | 0.4 | 34.58 |
| 12 | 升富煤矿 | 2.5、3.1 | 30 | 3.9 | 200 | 387 | 1.2 | 64.94 |
| 13 | 丈八崖联办煤矿 | 1.2、1.1、3.5 | 31、17 | 2.76 | 186 | 298 | 1.6 | 50.04 |
| 14 | 华秦煤矿 | 2.4、1.6、1.7 | 22、19 | 2.5 | 200 | 403 | 2.1 | 43.36 |
| 15 | 恒益煤矿 | 2.4、1.7、1.9 | 21、25 | 3.5 | 156 | 434 | 2.5 | 35.81 |
| 16 | 下韩梁煤矿 | 3.7、1.1、3.1 | 31、35 | 3.1 | 151 | 467 | 2.7 | 75.81 |
| 17 | 中联煤矿 | 1.1、1.2、2.7 | 19、19 | 2.7 | 180 | 390 | 2.4 | 71.03 |
| 18 | 鸿锋煤矿 | 2.1、2.0、0.6 | 20、25 | 3.6 | 165 | 377 | 1.2 | 56.73 |
| 19 | 张三沟煤矿 | 3.4、1.4、2.0 | 19、63 | 2.7 | 210 | 394 | 1.9 | 75.29 |
| 20 | 大海则煤矿 | 6.3、3.9、1.8 | 35、47 | 4.5 | 212 | 298 | 0.5 | 143.48 |
| 21 | 黑龙沟煤矿 | 5.3、2.8、2.4、4.0 | 33、102、62 | 3.69 | 300 | 167 | 2.3 | 122.18 |
| 22 | 锦盛煤矿 | 2.6、2.1、1.2、1.7 | 38、37、19 | 3.2 | 194 | 178 | 1.2 | 36.46 |
| 23 | 石窑店煤矿 | 2.8、2.2、1.8、3.2 | 42、24、69 | 7.3 | 300 | 189 | 0.5 | 47.35 |
| 24 | 安山煤矿 | 2.6、2.1、1.4、1.8 | 18、25、17 | 2.6 | 190 | 239 | 0.3 | 62.34 |
| 25 | 石岩沟煤矿 | 1.7、2.1、0.7、2.7 | 26、59、39 | 3.1 | 180 | 287 | 0.9 | 47.90 |
| 26 | 郭家湾煤矿 | 1.9、1.7、1.4、1.1 | 16、22、17 | 2.8 | 170 | 267 | 1.2 | 31.96 |
| 27 | 板定梁煤矿 | 3.2、4.2、5.5、1.1 | 25、31、19 | 3.5 | 175 | 232 | 0.4 | 51.78 |
| 28 | 东梁煤矿 | 1.2、0.9、0.8、1.3 | 28、12、48 | 3.7 | 195 | 341 | 0.5 | 76.80 |
| 29 | 惠宝煤矿 | 3.4、2.8、2.6、5.1 | 33、44、43 | 3.9 | 228 | 398 | 0.2 | 86.04 |
| 30 | 万泰明煤矿 | 1.3、1.1、0.9、4.4 | 14、16、23 | 3.6 | 191 | 367 | 0.4 | 63.34 |
| 31 | 黄土庙煤矿 | 2.7、2.2.、1.3、1.2、3.6 | 39、22、15、24 | 5.26 | 150 | 198 | 1.2 | 55.32 |
| 32 | 升兴煤矿 | 2.9、1.1、1.7、1.5、1.5 | 18、63、44、13 | 3.4 | 220 | 289 | 1.4 | 51.86 |
| 33 | 天瑞煤矿 | 3.5、2.6、2.5、2.7、2.4 | 27、43、100、16 | 3.5 | 240 | 271 | 1.3 | 55.10 |
| 34 | 张家峁煤矿 | 7.6、2.7、3.5、1.4、6.1 | 31、42、20、36 | 2.98 | 300 | 403 | 0.4 | 98.32 |
| 35 | 大柳塔煤矿 | 1.4、6.5、4.4、0.8、5.6 | 25、43、34、33 | 2.99 | 260 | 197 | 0.2 | 146.72 |
| 36 | 黑拉畔煤矿 | 1.7、1.2、0.9、2.7、1.3 | 52、11、42、15 | 3.1 | 150 | 210 | 1.7 | 108.10 |
| 37 | 福庆煤矿 | 4.2、1.9、0.9、1.4、2.5 | 28、26、35、40 | 2.74 | 174 | 237 | 0.5 | 40.56 |
), ArticleFig(id=1266686942805643563, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Table 3, caption=
Multicollinearity diagnostic results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 因变量 | 回归模型 | R2 | VIF |
| 煤层采高T | T=−0.794 5+0.047 7S+0.029 9L−0.377 0F | 0.636 | 2.74 |
| 煤层间距S | S=−16.025 6+8.521 8T+0.074 7L+2.788 2F | 0.559 | 2.26 |
| 工作面长度L | L=129.475 6+6.067 0T+0.084 9S+5.418 3F | 0.397 | 1.65 |
| 坚固性系数F | F=2.923 6−0.070 4T+0.002 9S+0.005 0L | 0.039 | 1.04 |
), ArticleFig(id=1266686942876946732, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=表3, caption=
多重共线性诊断结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 因变量 | 回归模型 | R2 | VIF |
| 煤层采高T | T=−0.794 5+0.047 7S+0.029 9L−0.377 0F | 0.636 | 2.74 |
| 煤层间距S | S=−16.025 6+8.521 8T+0.074 7L+2.788 2F | 0.559 | 2.26 |
| 工作面长度L | L=129.475 6+6.067 0T+0.084 9S+5.418 3F | 0.397 | 1.65 |
| 坚固性系数F | F=2.923 6−0.070 4T+0.002 9S+0.005 0L | 0.039 | 1.04 |
), ArticleFig(id=1266686942952444205, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=EN, label=Table 4, caption=
Prediction results of empirical formula, BP neural network and SSA-BP neural network
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 矿井名称 | 裂隙带高度实测值/m | 预测值/m | | 相对误差/% |
| 经验公式 | BP | SSA-BP | | 经验公式 | BP | SSA-BP |
| 1 | 黑龙沟煤矿 | 122.18 | 108.12 | 129.12 | 120.12 | | −11.51 | 5.68 | −1.69 |
| 2 | 大柳塔煤矿 | 146.72 | 112.78 | 154.78 | 149.13 | | −23.13 | 5.49 | 1.64 |
| 3 | 黑拉畔煤矿 | 108.10 | 145.61 | 102.48 | 110.34 | | 34.70 | −5.20 | 2.07 |
| 4 | 石窑店煤矿 | 47.35 | 78.16 | 56.17 | 48.98 | | 65.07 | 18.63 | 3.44 |
| 5 | 大湾煤矿 | 39.48 | 50.25 | 31.45 | 41.23 | | 27.28 | −20.34 | 4.43 |
| 6 | 丈八崖联办煤矿 | 50.04 | 35.14 | 52.15 | 51.45 | | −29.78 | 4.22 | 2.82 |
| 7 | 华秦煤矿 | 43.36 | 40.18 | 40.76 | 44.61 | | −7.33 | −6.00 | 2.88 |
| 8 | 天瑞煤矿 | 55.10 | 44.98 | 47.19 | 56.88 | | −18.37 | −14.36 | 3.23 |
| 9 | 瑶渠煤矿 | 82.91 | 70.12 | 86.67 | 81.42 | | −15.43 | 4.54 | −1.80 |
| 10 | 张家峁煤矿 | 98.32 | 76.16 | 90.31 | 99.78 | | −22.54 | −8.15 | 1.48 |
| 平均绝对百分比误差MAPE/% | | 25.51 | 9.25 | 2.55 |
| 平均绝对误差MAE/m | | 19.02 | 6.19 | 1.75 |
| 均方根误差RMSE/m | | 21.94 | 6.63 | 1.79 |
| 误差波动范围/m | | [−33.94, 37.51] | [−8.03, 8.82] | [−2.06, 2.41] |
), ArticleFig(id=1266686943027941678, tenantId=1146029695717560320, journalId=1266358798366031926, articleId=1266686909171519539, language=CN, label=表4, caption=
经验公式、BP神经网络和SSA-BP神经网络预测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 矿井名称 | 裂隙带高度实测值/m | 预测值/m | | 相对误差/% |
| 经验公式 | BP | SSA-BP | | 经验公式 | BP | SSA-BP |
| 1 | 黑龙沟煤矿 | 122.18 | 108.12 | 129.12 | 120.12 | | −11.51 | 5.68 | −1.69 |
| 2 | 大柳塔煤矿 | 146.72 | 112.78 | 154.78 | 149.13 | | −23.13 | 5.49 | 1.64 |
| 3 | 黑拉畔煤矿 | 108.10 | 145.61 | 102.48 | 110.34 | | 34.70 | −5.20 | 2.07 |
| 4 | 石窑店煤矿 | 47.35 | 78.16 | 56.17 | 48.98 | | 65.07 | 18.63 | 3.44 |
| 5 | 大湾煤矿 | 39.48 | 50.25 | 31.45 | 41.23 | | 27.28 | −20.34 | 4.43 |
| 6 | 丈八崖联办煤矿 | 50.04 | 35.14 | 52.15 | 51.45 | | −29.78 | 4.22 | 2.82 |
| 7 | 华秦煤矿 | 43.36 | 40.18 | 40.76 | 44.61 | | −7.33 | −6.00 | 2.88 |
| 8 | 天瑞煤矿 | 55.10 | 44.98 | 47.19 | 56.88 | | −18.37 | −14.36 | 3.23 |
| 9 | 瑶渠煤矿 | 82.91 | 70.12 | 86.67 | 81.42 | | −15.43 | 4.54 | −1.80 |
| 10 | 张家峁煤矿 | 98.32 | 76.16 | 90.31 | 99.78 | | −22.54 | −8.15 | 1.48 |
| 平均绝对百分比误差MAPE/% | | 25.51 | 9.25 | 2.55 |
| 平均绝对误差MAE/m | | 19.02 | 6.19 | 1.75 |
| 均方根误差RMSE/m | | 21.94 | 6.63 | 1.79 |
| 误差波动范围/m | | [−33.94, 37.51] | [−8.03, 8.82] | [−2.06, 2.41] |
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