Article(id=1307086404983484567, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, articleNumber=null, orderNo=null, doi=10.12401/j.nwg.2025145, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764950400000, receivedDateStr=2025-12-06, revisedDate=1765555200000, revisedDateStr=2025-12-13, acceptedDate=1765641600000, acceptedDateStr=2025-12-14, onlineDate=1789563283439, onlineDateStr=2026-09-16, pubDate=1776614400000, pubDateStr=2026-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789563283439, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789563283439, creator=13701087609, updateTime=1789563283439, updator=13701087609, issue=Issue{id=1307086317918122434, tenantId=1146029695717560320, journalId=1306274195778404443, year='2026', volume='59', issue='2', pageStart='1', pageEnd='328', issueExtLink='null', onlineDate='null', pubDate='1776614400000', pubDateStr='2026-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789563262680, creator='13701087609', updateTime=1789616239746, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307308519917638393, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307308519917638394, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=170, endPage=179, ext={EN=ArticleExt(id=1307086405226754200, articleId=1307086404983484567, tenantId=1146029695717560320, journalId=1306274195778404443, language=EN, title=Macro-Micro Characterization of Pore Structures in Grouted Cemented Bodies of Water-Rich Sand Layers Based on MIP and Image Analysis, columnId=null, journalTitle=Northwestern Geology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In the grouting reinforcement of water-rich sand layers, the pore structure and spatial distribution of the cemented bodies directly influence reinforcement effectiveness and grout diffusion paths, serving as critical criteria for evaluating grouting quality and optimizing operational parameters. However, due to variations in sand grain size distribution and non-uniform grout diffusion, existing studies remain insufficient in characterizing multi-scale pore structures, particularly lacking systematic validation of the evolution and interrelation of micro–macro pore structures under different sand grain sizes. This study aims to reveal the evolution patterns and spatial distribution characteristics of pore structures in cemented bodies formed in water-rich sand layers with different grain sizes, providing references for understanding grouting mechanisms and selecting engineering parameters. Under consistent grouting materials and injection pressure, simulated grouting tests were conducted on fine, medium, and coarse water-rich sand layers to prepare typical cemented body samples. Micro-scale pore structures were quantitatively analyzed using mercury intrusion porosimetry, while macro-scale pore characteristics were extracted and binarized using MATLAB digital image analysis to calculate porosity. By integrating micro-scale and macro-scale data, a multi-scale pore structure analysis framework was established to systematically compare differences and spatial patterns in the pore structures of cemented bodies across different grain sizes. At the micro-scale, fine cemented bodies are dominated by slit-like and irregular medium-to-large pores, exhibiting high connectivity and the highest porosity; medium cemented bodies show a composite structure of slit-like and spherical pores, with a wide pore size distribution and the most complex structure; coarse cemented bodies mainly develop long columnar or small-to-medium spherical pores, with the lowest porosity, indicating that coarse-grained skeletons favor densification. At the macro-scale, porosity of all three cemented body types increases parabolically with distance from the grout outlet, reaching the minimum at X = 0 cm, with fitting coefficients R2 ranging from 0.70 to 0.92, reflecting the spatial characteristics of saturated grout deposition. Micro-scale porosimetry and macro-scale image analysis results were highly consistent, all showing a porosity ranking of “fine > medium > coarse,” validating the reliability of the image analysis method. The study reveals the multi-scale pore structure characteristics and spatial distribution patterns of cemented bodies in water-rich sand layers under different grain size conditions, clarifying the control of grain size on pore morphology, porosity, and densification. The findings provide a scientific basis for understanding grout diffusion and deposition mechanisms, optimizing grouting materials and parameters, and improving reinforcement quality, offering significant engineering applications.
, authors=Maolin XING
1, 2, 3, Wei WANG
1, 2, 3, *, Renjian TONG
1, 2, 3, Botao DU
1, 2, 3, Yanjun WU
1, 2, 3, Shaolei ZHAO
1, 2, 3, Zhi LI
1, 2, 3, authorsList=Maolin XING, Wei WANG, Renjian TONG, Botao DU, Yanjun WU, Shaolei ZHAO, Zhi LI, authorCompany=null, correspAuthors=Wei WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Northwestern Geology. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1307086408062103724, articleId=1307086404983484567, tenantId=1146029695717560320, journalId=1306274195778404443, language=CN, title=压汞与图像融合的富水砂层注浆结石体孔隙结构宏微观表征, columnId=1307086318673097157, journalTitle=西北地质, columnName=西北地区环境岩土工程问题研究, runingTitle=null, highlight=null, articleAbstract=
在富水砂层注浆加固过程中,结石体的孔隙结构及其空间分布直接影响加固效果和浆液扩散路径,是评估注浆质量与优化施工参数的重要依据。然而,由于砂粒级配差异及浆液扩散非均匀性,现有研究在多尺度孔隙结构表征方面仍存在不足,尤其缺乏对不同粒径砂层下微观–宏观孔隙结构演化及其关联机制的系统验证。笔者旨在揭示不同粒径富水砂层注浆结石体的孔隙结构演化规律与空间分布特征,为注浆机理解析与工程参数优化提供参考。在统一注浆材料和注浆压力条件下,对细粒、中粒和粗粒等3类富水砂层开展注浆模拟试验,制备典型结石体样品。微观孔隙结构通过压汞仪测定孔径分布及孔容;宏观孔隙特征利用 MATLAB数字图像识别进行剖面孔隙提取、二值化及孔隙率计算。通过融合微观压汞数据与宏观图像识别结果,构建多尺度孔隙结构分析体系,并系统比较不同粒径结石体的孔隙特征差异及空间分布规律。微观结构显示:细粒结石体以狭缝状及不规则大中孔为主,孔隙连通性强且孔隙率最高;中粒结石体呈狭缝状与球状孔共存的复合结构,孔径跨度大、结构最复杂;粗粒结石体主要发育长柱状或球状中小孔,孔隙率最低,表明粗粒骨架有利于固结致密化。宏观结构显示:3类结石体孔隙率均随距注浆出口距离增加呈抛物线式递增分布,在 X=0 cm 处最小,拟合优度 R2 值为 0.70~0.92,反映了浆液饱和沉积的空间特征。微观压汞与宏观图像识别结果高度一致,均呈“细粒 > 中粒 > 粗粒”的孔隙率排序,验证了图像识别方法的可靠性。研究揭示了不同粒径条件下富水砂层注浆结石体的多尺度孔隙结构特征与空间分布规律,明确了粒径对孔隙形态、孔隙率及固结致密化效果的控制作用。成果为理解浆液扩散与沉积机理、优化注浆材料及参数、提升富水砂层加固质量提供了科学依据,具有重要工程应用价值。
, authors=邢茂林
1, 2, 3, 王威
1, 2, 3, *, 童仁剑
1, 2, 3, 杜博涛
1, 2, 3, 吴燕军
1, 2, 3, 赵少磊
1, 2, 3, 李智
1, 2, 3, authorsList=邢茂林, 王威, 童仁剑, 杜博涛, 吴燕军, 赵少磊, 李智, authorCompany=null, correspAuthors=王威, authorNote=
, correspAuthorsNote=
, copyrightStatement=版权所有©《西北地质》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=KlVsUqppzU8YsFDmmgZfiA==, magXml=lhu8yPMtxyCqPMhNdxQ9QA==, pdfUrl=null, pdf=JGHb+5nMiKXoeedYyybWHA==, pdfFileSize=15796803, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=+g/5gIIwBxmFdbLSoK/Sgw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=49H2/6So2mbpLHGFDXFjDQ==, mapNumber=null, fund=null)}, authors=[Author(id=1307086408460562615, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xingmaolin@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307086408544448699, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, authorId=1307086408460562615, language=EN, stringName=Maolin XING, firstName=Maolin, middleName=null, lastName=XING, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, Shaanxi, China
2State Key Laboratory of Coal Mine Disaster Prevention and Control, Xi’an 710077, Shaanxi, China
3Shaanxi Key Laboratory of Prevention and Control Technology for Coal Mine Water Hazard, Xi’an 710077, Shaanxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086408640917692, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, authorId=1307086408460562615, language=CN, stringName=邢茂林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1中煤科工西安研究院(集团)有限公司,陕西 西安 710077
2煤矿灾害防控全国重点实验室,陕西 西安 710077
3陕西省煤矿水害防治技术重点实验室,陕西 西安 710077, bio={"content":"
邢茂林(1991−),男,博士,副研究员,从事水文地质及矿井水害防治工作。E−mail:xingmaolin@163.com
"}, bioImg=null, bioContent=
邢茂林(1991−),男,博士,副研究员,从事水文地质及矿井水害防治工作。E−mail:xingmaolin@163.com
, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086408238264493, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=1, ext=[AuthorCompanyExt(id=1307086408246653102, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408238264493, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408255041711, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408238264493, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中煤科工西安研究院(集团)有限公司,陕西 西安 710077)]), AuthorCompany(id=1307086408313761968, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=2, ext=[AuthorCompanyExt(id=1307086408322150577, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408313761968, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2State Key Laboratory of Coal Mine Disaster Prevention and Control, Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408326344882, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408313761968, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2煤矿灾害防控全国重点实验室,陕西 西安 710077)]), AuthorCompany(id=1307086408380870835, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=3, ext=[AuthorCompanyExt(id=1307086408385065140, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408380870835, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Shaanxi Key Laboratory of Prevention and Control Technology for Coal Mine Water Hazard, Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408393453749, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408380870835, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3陕西省煤矿水害防治技术重点实验室,陕西 西安 710077)])]), Author(id=1307086408708026558, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=214169956@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1307086408796106946, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, authorId=1307086408708026558, language=EN, stringName=Wei WANG, firstName=Wei, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, *, address=
1CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, Shaanxi, China
2State Key Laboratory of Coal Mine Disaster Prevention and Control, Xi’an 710077, Shaanxi, China
3Shaanxi Key Laboratory of Prevention and Control Technology for Coal Mine Water Hazard, Xi’an 710077, Shaanxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086408884187331, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, authorId=1307086408708026558, language=CN, stringName=王威, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, *, address=
1中煤科工西安研究院(集团)有限公司,陕西 西安 710077
2煤矿灾害防控全国重点实验室,陕西 西安 710077
3陕西省煤矿水害防治技术重点实验室,陕西 西安 710077, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086408238264493, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=1, ext=[AuthorCompanyExt(id=1307086408246653102, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408238264493, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408255041711, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408238264493, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中煤科工西安研究院(集团)有限公司,陕西 西安 710077)]), AuthorCompany(id=1307086408313761968, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=2, ext=[AuthorCompanyExt(id=1307086408322150577, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408313761968, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2State Key Laboratory of Coal Mine Disaster Prevention and Control, Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408326344882, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408313761968, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2煤矿灾害防控全国重点实验室,陕西 西安 710077)]), AuthorCompany(id=1307086408380870835, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=3, ext=[AuthorCompanyExt(id=1307086408385065140, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408380870835, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Shaanxi Key Laboratory of Prevention and Control Technology for Coal Mine Water Hazard, Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408393453749, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408380870835, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3陕西省煤矿水害防治技术重点实验室,陕西 西安 710077)])]), Author(id=1307086408963879109, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, orderNo=2, 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=1307086409035182281, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, authorId=1307086408963879109, language=EN, stringName=Renjian TONG, firstName=Renjian, middleName=null, lastName=TONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, Shaanxi, China
2State Key Laboratory of Coal Mine Disaster Prevention and Control, Xi’an 710077, Shaanxi, China
3Shaanxi Key Laboratory of Prevention and Control Technology for Coal Mine Water Hazard, Xi’an 710077, Shaanxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086409098096842, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, authorId=1307086408963879109, language=CN, stringName=童仁剑, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1中煤科工西安研究院(集团)有限公司,陕西 西安 710077
2煤矿灾害防控全国重点实验室,陕西 西安 710077
3陕西省煤矿水害防治技术重点实验室,陕西 西安 710077, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086408238264493, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=1, ext=[AuthorCompanyExt(id=1307086408246653102, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408238264493, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, Shaanxi, China), AuthorCompanyExt(id=1307086408255041711, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408238264493, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中煤科工西安研究院(集团)有限公司,陕西 西安 710077)]), AuthorCompany(id=1307086408313761968, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, xref=2, ext=[AuthorCompanyExt(id=1307086408322150577, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, companyId=1307086408313761968, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Grouting test system for water-saturated sand layers and corresponding materials/apparatus., figureFileSmall=afnODU7+unkuDQ6e134+HQ==, figureFileBig=+g/5gIIwBxmFdbLSoK/Sgw==, tableContent=null), ArticleFig(id=1307086411014893810, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图1, caption=
饱水砂层注浆试验系统示意图及材料与装置实物图a.含水砂层注浆试验示意图;b.模拟砂层的试验材料;c.含水砂层注浆试验实物图
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Division of digital image recognition regions for cemented bodies with different particle sizes., figureFileSmall=ReFk2lkA6M3raG3QodamMg==, figureFileBig=yKs1bnz4AWgIGlvYsMx4kA==, tableContent=null), ArticleFig(id=1307086411295912180, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图2, caption=
各粒径结石体的数字图像识别位置的划分a. 细粒结石体;b. 中粒结石体;c. 粗粒结石体
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MIP testing of cemented-body specimens at the grouting outlet, figureFileSmall=GnjTDvBQM4fJXptdUd6Lcw==, figureFileBig=Bsz2OTpHndrnTG4vBwyhFg==, tableContent=null), ArticleFig(id=1307086411451101430, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图3, caption=
注浆出口位置的结石体试样压汞试验测试a. 结石体试样获取;b. 结石体试样的压汞实验
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Variation of grouting pressure with time, figureFileSmall=6zBm65Xt7Kh+fCZaPnORiQ==, figureFileBig=XcCFcE/UhvEBZzLp/tkCgg==, tableContent=null), ArticleFig(id=1307086411593707768, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图4, caption=
注浆压力随时间的变化曲线, figureFileSmall=6zBm65Xt7Kh+fCZaPnORiQ==, figureFileBig=XcCFcE/UhvEBZzLp/tkCgg==, tableContent=null), ArticleFig(id=1307086411660816633, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=EN, label=Fig.5, caption=
MIP results of cemented-body specimens with various particle sizes, figureFileSmall=CaHjwnmTeFuY3FSW+IzD4A==, figureFileBig=9CLzWdBJTS40PdW/A1Rf4g==, tableContent=null), ArticleFig(id=1307086411727925498, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图5, caption=
不同粒径结石体试样的压汞测试结果a. 细粒结石体;b. 中粒结石体;c. 粗粒结石体
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Porosity grayscale images from MATLAB digital image recognition of cemented bodies, figureFileSmall=jMNBQWFMoC5FledGmTCkSQ==, figureFileBig=0gsHNcJFvpNgpiFwlFwbag==, tableContent=null), ArticleFig(id=1307086411866337532, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图6, caption=
结石体试样的MATLAB数字图像识别的孔隙率灰度图, figureFileSmall=jMNBQWFMoC5FledGmTCkSQ==, figureFileBig=0gsHNcJFvpNgpiFwlFwbag==, tableContent=null), ArticleFig(id=1307086411941835005, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=EN, label=Fig.7, caption=
Porosity grayscale images at different locations in cemented bodies of different particle sizes, figureFileSmall=LlFvfvOPFeAAsbHLEhbBPw==, figureFileBig=wzNW4o/klr/9U3OTbWmOMg==, tableContent=null), ArticleFig(id=1307086412004749566, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图7, caption=
不同粒径结石体的不同位置的孔隙率的灰度图a. 细粒结石体;b. 中粒结石体;c. 粗粒结石体
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Variation of porosity with distance from the grouting outlet for cemented bodies with different particle sizes., figureFileSmall=fwOrZ3VDmhTfROeJZyt0OA==, figureFileBig=FVR3uI1i69JqqCLfQeS05w==, tableContent=null), ArticleFig(id=1307086412134772992, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086404983484567, language=CN, label=图8, caption=
不同粒径结石体孔隙率随距离注浆出口位置的变化图a. 细粒结石体;b. 中粒结石体;c. 粗粒结石体
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Calculation table of porosity for samples with different particle sizes
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| 试样类型 | 累计进汞量(ml/g) | 试样质量(g) | 试样体积(ml) | 实际压进汞体积(ml) | 孔隙率(%) |
| 细粒结石体试样 | 0.1561 | 1.4097 | 0.7508 | 0.2201 | 29.31 |
| 中粒结石体试样 | 0.1103 | 1.5078 | 0.7412 | 0.1663 | 22.14 |
| 粗粒结石体试样 | 0.0895 | 1.2483 | 0.6075 | 0.1117 | 18.39 |
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不同粒径结石体的试样的孔隙率的计算表
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| 试样类型 | 累计进汞量(ml/g) | 试样质量(g) | 试样体积(ml) | 实际压进汞体积(ml) | 孔隙率(%) |
| 细粒结石体试样 | 0.1561 | 1.4097 | 0.7508 | 0.2201 | 29.31 |
| 中粒结石体试样 | 0.1103 | 1.5078 | 0.7412 | 0.1663 | 22.14 |
| 粗粒结石体试样 | 0.0895 | 1.2483 | 0.6075 | 0.1117 | 18.39 |
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