Article(id=1289914379583996221, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1279495830260396249, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2504811, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1750953600000, receivedDateStr=2025-06-27, revisedDate=1763481600000, revisedDateStr=2025-11-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1785469153542, onlineDateStr=2026-07-31, pubDate=1776441600000, pubDateStr=2026-04-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1785469153542, onlineIssueDateStr=2026-07-31, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1785469153542, creator=13701087609, updateTime=1785469153542, updator=13701087609, issue=Issue{id=1279495830260396249, tenantId=1146029695717560320, journalId=1146123166801305609, year='2026', volume='26', issue='11', pageStart='4471', pageEnd='4911', issueExtLink='null', onlineDate='null', pubDate='1776441600000', pubDateStr='2026-04-18', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782985177815, creator='13701087609', updateTime=1782985177815, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=4782, endPage=4791, ext={EN=ArticleExt(id=1289914380024398142, articleId=1289914379583996221, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Chain-like Mechanical Deterioration Mechanisms and Intelligent Predictive Analysis of Fractured Sandstone under Freeze-thaw Cycles, columnId=1156963932482130535, journalTitle=Science Technology and Engineering, columnName=Architectural Science, runingTitle=null, highlight=null, articleAbstract=
To investigate the damage evolution mechanism of fractured sandstone under freeze-thaw cycles, an integrated research framework combining numerical simulation, machine learning, and decision logic analysis & interaction effect analysis was established. Numerical models were constructed using PFC software, through which freeze-thaw cycle tests and uniaxial compression simulations were conducted. A deconstruction formulation was developed to isolate the contributions of freeze-thaw damage and pre-existing fissures. The XGBoost algorithm was employed to build a multi-objective prediction model achieving a test set R2 exceeding 0.97, while the SHAP method was applied to interpret decision logic and variable interactions. Results indicate a transition from brittle to ductile failure modes under freeze-thaw action, with mechanical property deterioration rates gradually decelerating and showing damage accumulation saturation. The micro-macro chain damage evolution mechanism is summarized as frost heaving forces driving particle bond degradation, triggering crack propagation and force chain network failure. The cumulative effect of this progressive damage manifests macroscopically as a significant reduction in load-bearing capacity. SHAP analysis further reveals three interaction effects on compressive strength: synergistic deterioration between freeze-thaw cycles and upper temperature/fissure length/fissure thickness; synergistic compensation between cycle count and high dip angles (>45°); and antagonistic effects between cycles and fissure quantity. Finally, an integrated XGBoost-SHAP platform was developed, providing an intelligent tool for rock mass stability assessment in cold regions.
, authors=Yi-ru WANG
1, 2, Zhi-qiang KANG
1, 2, Zhen-kun WANG
1, 2, Shi-tong LI
1, 2, Xu-long YAO
1, 2, authorsList=Yi-ru WANG, Zhi-qiang KANG, Zhen-kun WANG, Shi-tong LI, Xu-long YAO, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, 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=1289914382972993880, articleId=1289914379583996221, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=冻融作用下裂隙砂岩链式力学劣化机制与智能预测分析, columnId=1154013916129648643, journalTitle=科学技术与工程, columnName=建筑科学, runingTitle=null, highlight=null, articleAbstract=
为揭示冻融作用下裂隙砂岩的损伤演化机理,构建了数值模拟、机器学习和决策逻辑及交互效应解析结合的研究体系。通过PFC软件建立裂隙砂岩数值模型,开展冻融循环以及三轴压缩模拟实验;建立解构公式,分离冻融作用与裂隙在砂岩力学损伤过程中的各自贡献。采用极限梯度提升算法(extreme gradient boosting,XGBoost)建立冻融裂隙砂岩多目标预测模型(测试集拟合优度大于0.97),引入沙普利加性解释方法(Shapley additive explanations, SHAP),解析模型决策逻辑与变量交互效应。研究发现,冻融作用下裂隙砂岩的破坏特征由脆性转为延性,随着循环次数增加,其力学性能的劣化速率逐步减缓,呈损伤累计饱和特征。其链式损伤演化机制可总结为,微观角度下冻胀力驱动颗粒黏结劣化,促使裂纹扩展与力链网络失效,随损伤逐步累计,在宏观层面表现为承载力的下降。而SHAP交互值则进一步阐明了作用在抗压强度上的三类交互效应,即冻融循环次数与冻融上限温度、裂隙长度、厚度之间的协同劣化效应;冻融循环次数与高裂隙倾角(大于45°)之间异向作用的协同补偿效应;循环次数与裂隙数量间的拮抗效应。 基于以上成果,集成XGBoost-SHAP技术框架,开发多目标预测与变量分析平台,为寒区岩体稳定性评估提供了智能化工具。
, authors=王彝茹
1, 2, 康志强
1, 2, 王振坤
1, 2, 李诗童
1, 2, 姚旭龙
1, 2, authorsList=王彝茹, 康志强, 王振坤, 李诗童, 姚旭龙, authorCompany=null, correspAuthors=null, authorNote=
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1 School of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
2 Hebei Innovation Center for Green and Intelligent Mining Technology, Tangshan 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289914504096105114, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, authorId=1289914503819281046, language=CN, stringName=王彝茹, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 华北理工大学矿业工程学院, 唐山 063210
2 河北省矿山绿色智能开采技术创新中心, 唐山 063210, bio={"content":"
王彝茹(1999—),女,汉族,山西临汾人,硕士研究生。研究方向:岩石力学与工程。E-mail:wangyiru@stu.ncst.edu.cn。
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王彝茹(1999—),女,汉族,山西临汾人,硕士研究生。研究方向:岩石力学与工程。E-mail:wangyiru@stu.ncst.edu.cn。
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1 School of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
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1 华北理工大学矿业工程学院, 唐山 063210
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2 河北省矿山绿色智能开采技术创新中心, 唐山 063210)])]), Author(id=1289914504477786786, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, 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=1289914504570061477, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, authorId=1289914504477786786, language=EN, stringName=Zhen-kun WANG, firstName=Zhen-kun, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 School of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
2 Hebei Innovation Center for Green and Intelligent Mining Technology, Tangshan 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289914504662336166, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, authorId=1289914504477786786, language=CN, stringName=王振坤, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 华北理工大学矿业工程学院, 唐山 063210
2 河北省矿山绿色智能开采技术创新中心, 唐山 063210, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1289914503592788623, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, xref=1, ext=[AuthorCompanyExt(id=1289914503601177232, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, companyId=1289914503592788623, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, address=
1 School of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
2 Hebei Innovation Center for Green and Intelligent Mining Technology, Tangshan 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289914505014657708, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, authorId=1289914504779776680, language=CN, stringName=李诗童, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 华北理工大学矿业工程学院, 唐山 063210
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1 School of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
2 Hebei Innovation Center for Green and Intelligent Mining Technology, Tangshan 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289914505308258994, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, authorId=1289914505119515310, language=CN, stringName=姚旭龙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 华北理工大学矿业工程学院, 唐山 063210
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23(10): 4044-4057., articleTitle=Research progress on machine learning algorithms for lithology identification based on drilling data, refAbstract=null)], funds=[Fund(id=1289914510072988377, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, awardId=52074123, language=CN, fundingSource=国家自然科学基金(52074123), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1289914503592788623, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, xref=1, ext=[AuthorCompanyExt(id=1289914503601177232, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, companyId=1289914503592788623, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 School of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China), AuthorCompanyExt(id=1289914503609565841, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, companyId=1289914503592788623, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 华北理工大学矿业工程学院, 唐山 063210)]), AuthorCompany(id=1289914503685063314, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, xref=2, ext=[AuthorCompanyExt(id=1289914503693451923, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, companyId=1289914503685063314, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Hebei Innovation Center for Green and Intelligent Mining Technology, Tangshan 063210, China), AuthorCompanyExt(id=1289914503697646228, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, companyId=1289914503685063314, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 河北省矿山绿色智能开采技术创新中心, 唐山 063210)])], figs=[ArticleFig(id=1289914508013585085, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.1, caption=
Indoor triaxial compression test, figureFileSmall=z5LEuvyXUfpUL5gyYaD5rw==, figureFileBig=eHb8XK+oCPFWYl5AwoctlA==, tableContent=null), ArticleFig(id=1289914508093276862, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图1, caption=
室内三轴压缩试验, figureFileSmall=z5LEuvyXUfpUL5gyYaD5rw==, figureFileBig=eHb8XK+oCPFWYl5AwoctlA==, tableContent=null), ArticleFig(id=1289914508202328767, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.2, caption=
Numerical modeling of fractured sandstone, figureFileSmall=eybl2LoRLjPpc/5i2xptyA==, figureFileBig=8sW8cXQwJNNn3/palaA83w==, tableContent=null), ArticleFig(id=1289914508269437632, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图2, caption=
裂隙砂岩数值模型, figureFileSmall=eybl2LoRLjPpc/5i2xptyA==, figureFileBig=8sW8cXQwJNNn3/palaA83w==, tableContent=null), ArticleFig(id=1289914508336546497, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.3, caption=
Comparison of stress-strain curves between indoor and simulated experiments, figureFileSmall=TfPRzLOTVFKTRevT600xIw==, figureFileBig=0hqowEhR2ws846e5Qs08Mg==, tableContent=null), ArticleFig(id=1289914508407849666, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图3, caption=
室内实验与模拟实验应力-应变曲线对比, figureFileSmall=TfPRzLOTVFKTRevT600xIw==, figureFileBig=0hqowEhR2ws846e5Qs08Mg==, tableContent=null), ArticleFig(id=1289914508487541443, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.4, caption=
Stress-strain curves of freeze-thaw fissured sandstone under multivariate influences, figureFileSmall=6Mj8g7Ysqo2YPHx3U2wAuQ==, figureFileBig=nbsX42PCECQ7FHZ8vb+H/A==, tableContent=null), ArticleFig(id=1289914508579816132, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图4, caption=
多变量影响下冻融裂隙砂岩应力-应变曲线, figureFileSmall=6Mj8g7Ysqo2YPHx3U2wAuQ==, figureFileBig=nbsX42PCECQ7FHZ8vb+H/A==, tableContent=null), ArticleFig(id=1289914508634342085, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.5, caption=
Crack extension and particle contact in freeze-thaw fractured sandstone under multivariate influence, figureFileSmall=v8wfLKx13u6DTzbbrcaKpA==, figureFileBig=oliq0M5BHz1xqjQsI3UwpQ==, tableContent=null), ArticleFig(id=1289914508705645254, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图5, caption=
多变量影响下冻融裂隙砂岩裂纹扩展情况与颗粒接触情况, figureFileSmall=v8wfLKx13u6DTzbbrcaKpA==, figureFileBig=oliq0M5BHz1xqjQsI3UwpQ==, tableContent=null), ArticleFig(id=1289914508781142727, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.6, caption=
freeze-thaw damage D1in fractured sandstones, figureFileSmall=IMo+QyBK9jYp02laa8phpw==, figureFileBig=hwehyM4Hi/pYPYqKpZeUYw==, tableContent=null), ArticleFig(id=1289914508860834504, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图6, caption=
裂隙砂岩的冻融损伤D1图, figureFileSmall=IMo+QyBK9jYp02laa8phpw==, figureFileBig=hwehyM4Hi/pYPYqKpZeUYw==, tableContent=null), ArticleFig(id=1289914508927943369, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.7, caption=
Fracture damage D2 in fractured sandstones, figureFileSmall=7DbO202+TriQ1+Gf9uIlgw==, figureFileBig=rgAS0B1d5UTEc6qsWmYnsg==, tableContent=null), ArticleFig(id=1289914508999246538, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图7, caption=
裂隙砂岩的裂隙损伤D2图, figureFileSmall=7DbO202+TriQ1+Gf9uIlgw==, figureFileBig=rgAS0B1d5UTEc6qsWmYnsg==, tableContent=null), ArticleFig(id=1289914509087326923, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.8, caption=
Flowchart for the construction of XGBoost-SHAP based multi-objective prediction model and analysis of interaction effect mechanism, figureFileSmall=cMMEwFzwpqmvLQ9gXHzLiQ==, figureFileBig=Dxtr9QAoUcQU4d2dgoLR7A==, tableContent=null), ArticleFig(id=1289914509150241484, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图8, caption=
基于XGBoost-SHAP多目标预测模型的构建与交互影响机制分析流程图, figureFileSmall=cMMEwFzwpqmvLQ9gXHzLiQ==, figureFileBig=Dxtr9QAoUcQU4d2dgoLR7A==, tableContent=null), ArticleFig(id=1289914509229933261, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.9, caption=
Contribution map of characteristic variables based on the compressive strength of freeze-thaw fractured sandstone, figureFileSmall=BPCF/RKreEHAiU+pbrzmiw==, figureFileBig=FijnmBSjzHnQ+vYkCpzu4Q==, tableContent=null), ArticleFig(id=1289914509288653518, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图9, caption=
基于冻融裂隙砂岩抗压强度的特征变量贡献图, figureFileSmall=BPCF/RKreEHAiU+pbrzmiw==, figureFileBig=FijnmBSjzHnQ+vYkCpzu4Q==, tableContent=null), ArticleFig(id=1289914509359956687, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.10, caption=
SHAP interaction values of characteristic variables based on the compressive strength of freeze-thaw fractured sandstones, figureFileSmall=jgyv2hQwzVhNZHedcIodow==, figureFileBig=Tf4/nForEuiPrRLhzpn2bA==, tableContent=null), ArticleFig(id=1289914509427065552, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图10, caption=
基于冻融裂隙砂岩抗压强度的特征变量SHAP交互值, figureFileSmall=jgyv2hQwzVhNZHedcIodow==, figureFileBig=Tf4/nForEuiPrRLhzpn2bA==, tableContent=null), ArticleFig(id=1289914509481591505, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.11, caption=
3D strong interaction surface based on the compressive strength of freeze-thaw fractured sandstone, figureFileSmall=WNq4hXnaHRVQrZTzlGgj1g==, figureFileBig=NoqaiA7hzGNNI6bG67dqwQ==, tableContent=null), ArticleFig(id=1289914509540311762, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图11, caption=
基于冻融裂隙砂岩抗压强度的3D强交互面, figureFileSmall=WNq4hXnaHRVQrZTzlGgj1g==, figureFileBig=NoqaiA7hzGNNI6bG67dqwQ==, tableContent=null), ArticleFig(id=1289914509603226323, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Fig.12, caption=
Multi-objective prediction and variational analysis platform for freeze-thaw fractured sandstone, figureFileSmall=RFFxQc1P9piuU38qBgysdQ==, figureFileBig=2jG6X5+f7ls3v8BKFRGxtg==, tableContent=null), ArticleFig(id=1289914509666140884, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=图12, caption=
冻融裂隙砂岩多目标预测与变量分析平台, figureFileSmall=RFFxQc1P9piuU38qBgysdQ==, figureFileBig=2jG6X5+f7ls3v8BKFRGxtg==, tableContent=null), ArticleFig(id=1289914509729055445, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Table 1, caption=
Details of micro-parameter calibration of fractured sandstone
, figureFileSmall=null, figureFileBig=null, tableContent=
黏结 类型 | 颗粒接触 模量/GPa | 颗粒刚度比 | 平行黏结法 向强度/MPa | 平行黏结切 向强度/MPa | 平行黏结 摩擦角/(°) | 摩擦 系数 |
| 岩-岩颗粒 | 10 | 3.5 | 6.3 | 10.6 | 45 | 0.5 |
| 水-岩颗粒 | 10 | 0.5 | 130 | 150 | 0 | — |
| 水-水颗粒 | 10 | 0.5 | 150 | 150 | 0 | — |
), ArticleFig(id=1289914509796164310, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=表1, caption=
裂隙砂岩微观参数标定详情
, figureFileSmall=null, figureFileBig=null, tableContent=
黏结 类型 | 颗粒接触 模量/GPa | 颗粒刚度比 | 平行黏结法 向强度/MPa | 平行黏结切 向强度/MPa | 平行黏结 摩擦角/(°) | 摩擦 系数 |
| 岩-岩颗粒 | 10 | 3.5 | 6.3 | 10.6 | 45 | 0.5 |
| 水-岩颗粒 | 10 | 0.5 | 130 | 150 | 0 | — |
| 水-水颗粒 | 10 | 0.5 | 150 | 150 | 0 | — |
), ArticleFig(id=1289914509875856087, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=EN, label=Table 2, caption=
Details of model assessment indicators
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | MAE | MSE | R2 |
| 抗压强度 | 1.104 2 | 2.130 0 | 0.986 |
| 冻融损伤D1 | 0.014 9 | 0.000 2 | 0.973 |
| 裂隙损伤D2 | 0.015 7 | 0.000 7 | 0.975 |
), ArticleFig(id=1289914509942964952, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1289914379583996221, language=CN, label=表2, caption=
模型评估指标详情
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | MAE | MSE | R2 |
| 抗压强度 | 1.104 2 | 2.130 0 | 0.986 |
| 冻融损伤D1 | 0.014 9 | 0.000 2 | 0.973 |
| 裂隙损伤D2 | 0.015 7 | 0.000 7 | 0.975 |
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