Article(id=1314907147104780628, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.06.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1748534400000, receivedDateStr=2025-05-30, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791427893663, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791427893663, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791427893663, creator=13701087609, updateTime=1791427893663, updator=13701087609, issue=Issue{id=1314907112854089785, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='6', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='1764518400000', pubDateStr='2025-12-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791427885497, creator='13701087609', updateTime=1791430521754, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314918170201252492, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314918170201252493, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=55, endPage=62, ext={EN=ArticleExt(id=1314907147322884437, articleId=1314907147104780628, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Energy Evolution and Damage Mechanism of Sandstone with Initial Damage Under Impact Loading, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

To investigate the dynamic damage characteristics and energy evolution of sandstone in aquatic environments after engineering disturbance and blasting vibration, a split Hopkinson pressure bar (SHPB) was used to test three groups of saturated and dried sandstone with different initial damages. A statistical damage constitutive model was established by introducing initial damage and degree of saturation, which was then used in combination with damage curves to analyze the whole-process damage mechanism of sandstone with initial damage. It is found that the stress-strain curve of sandstone can be divided into four parts based on energy evolution. After reaching peak stress, things change. Elastic energy begins to release and a significant energy hysteresis phenomenon occurs throughout the failure process. At the same strain rate, the degree of fragmentation gradually increases as the initial damage becomes greater and sandstone is more saturated. The theoretical stress-strain curve of the modified damage constitutive model is in better coincidence with the practical one, presenting the highest correlation coefficient (0.991). The mechanism for whole-process sandstone damage can be characterized by the established damage curves. Furthermore, the initial damage and saturation-induced damage of sandstone are equivalent to its load-induced damage to a certain extent.

, authors=Sheguang WANG^{1, 2}, Weihua XIANG^{1, 2}, Zheng WANG^{1, 2}, Pengfei ZHAO^{1, 2}, Zhiyi LIU^{3, 4, 5}, Shuai GENG^{1, 2}, Zhangheng GU^{1, 2}, Lijie WANG^{1, 2}, authorsList=Sheguang WANG, Weihua XIANG, Zheng WANG, Pengfei ZHAO, Zhiyi LIU, Shuai GENG, Zhangheng GU, Lijie WANG, authorCompany=null, correspAuthors=Zheng WANG, 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=1314907147566154070, articleId=1314907147104780628, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=冲击载荷下含初始损伤砂岩能量演化及损伤机理研究, columnId=1236276106219811026, journalTitle=矿冶工程杂志, columnName=采矿, runingTitle=null, highlight=null, articleAbstract=

为探究富水环境中砂岩受工程扰动及爆破振动后的动态损伤特性及能量演化，采用分离式霍普金森压杆（SHPB）对3组含不同初始损伤的砂岩进行饱水和干燥状态下的冲击试验，研究砂岩的能量演化；引入初始损伤、饱水度，建立砂岩在不同初始损伤-饱水度条件下的统计损伤本构模型，结合损伤曲线分析含初始损伤砂岩的全过程损伤机理。结果表明，砂岩的应力-应变曲线基于能量演化可分为4个阶段，在峰值应力之后，弹性能开始释放，且整个破坏过程伴随着显著的能量滞后现象；应变率相同时，随着初始损伤增加和饱水度增大，破碎程度逐渐增大；修正的损伤本构模型理论曲线与实测曲线吻合度较高，拟合相关系数达0.991，建立的损伤曲线表征了砂岩的全过程损伤机理，初始损伤及饱水损伤在一定程度上可以等效为荷载损伤。

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王社光（1986—），男，河南濮阳人，正高级工程师，主要从事采矿工程管理工作。E-mail: 406752459@qq.com

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王社光（1986—），男，河南濮阳人，正高级工程师，主要从事采矿工程管理工作。E-mail: 406752459@qq.com

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