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Article(id=1319726508525072493, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319726382268138030, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20250264, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1744214400000, receivedDateStr=2025-04-10, revisedDate=1751212800000, revisedDateStr=2025-06-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1792576918965, onlineDateStr=2026-10-21, pubDate=1763568000000, pubDateStr=2025-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792576918965, onlineIssueDateStr=2026-10-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792576918965, creator=13701087609, updateTime=1792576918965, updator=13701087609, issue=Issue{id=1319726382268138030, tenantId=1146029695717560320, journalId=1263187385517883426, year='2025', volume='53', issue='11', pageStart='3079', pageEnd='3432', issueExtLink='null', onlineDate='null', pubDate='1763568000000', pubDateStr='2025-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792576888863, creator='13701087609', updateTime=1792577494231, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319728921399116056, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319726382268138030, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319728921403310361, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319726382268138030, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3273, endPage=3281, ext={EN=ArticleExt(id=1319726510517366895, articleId=1319726508525072493, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Damage effects of concrete with cracks at different angles under dynamic loading, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=
Introduction

As the depth of resource exploitation in our country increases, power shock disasters occur frequently in underground engineering, which will severely restrict the rapid development of the economy. In the process of strengthening the foundation with fly ash concrete, the strengthened body not only bears static loads but also dynamic loads, forming initial defects such as joints and cracks inside. The development, extension, and penetration of cracks under dynamic loads will further reduce the stability of the strengthened structure. Therefore, it is urgent to deeply study the mechanical properties of fly ash concrete with cracks under dynamic loads.

Methods

Dynamic impact tests were carried out with the split Hopkinson pressure bar (SHPB) test system on the samples with different fracture angles. Digital image correlation system (DIC) was used to monitor the deformation of surface strain. Characteristics of the samples with different fracture angles after dynamic impact were compared and analyzed including the dynamic strength, energy dissipation and fractal fracture.

Results and discussion

The results show that with the increase of the crack angle, the peak stress-strain presents a typical V-shaped pattern, reaching the minimum value at 30°. With the increase of fracture angle, the initial damage zone also moved from the fracture tip to the middle of the fracture, and then the damage range gradually expanded until the formation of macro failure. The failure modes are tensile failure (0°), shear failure (30°), tension-shear mixed failure (45° and 60°) and collapse failure (90°), respectively. The dissipated energy of the sample firstly increase and then decrease with the increase of the fracture angle, reaching the maximum value at 30°. The process of energy accumulation and transformation in fractured rock mass is characterized by the strain energy density. With the increase of the crack angle of the sample, the fractal value of the sample first increases and then decreases, and reaches a maximum value at 30°, indicating that a higher degree of sample breakage associated with dissipates relatively large energy. Based on fracture mechanics, the analytical solution of stress around the crack is given, and the variation of crack initiation angle, stress distribution and energy dissipation under different crack angles is theoretically explained, which is in good agreement with the experimental measurements.

Conclusions

This paper uses the SHPB and DIC systems to conduct dynamic impact tests on specimens with cracks at different angles, and compares and analyzes the dynamic strength, energy dissipation, and fracture fractal characteristics of specimens with different crack angles after dynamic impact, and gives the theoretical results of the stress around the crack. To provide some theoretical support for the deformation control of cracked concrete mixed with fly ash under dynamic action.

, authors=Dongliang JI1, 3, Zhijie WEN1, 2, Yujun ZUO2, Jianmei CHANG3, Xiaobin LI1, Xianmin HAN3, Hongbao ZHAO4, Shuhui Yang3, Handan Yan3, Zhuoxuan Li3, authorsList=Dongliang JI, Zhijie WEN, Yujun ZUO, Jianmei CHANG, Xiaobin LI, Xianmin HAN, Hongbao ZHAO, Shuhui Yang, Handan Yan, Zhuoxuan Li, authorCompany=null, correspAuthors=Zhijie WEN, authorNote=

JI Dongliang (1992-), male, Ph.D., Lecturer. E-mail:

, correspAuthorsNote=
WEN Zhijie (1982-), male, Ph.D., Professor. E-mail:
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为研究动态冲击作用下含不同角度裂隙的混凝土裂纹扩展机理，利用分离式霍普金森压杆试验系统进行不同裂隙角度的动态冲击试验，采用数字图像相关系统进行表面应变监测，对比分析了动力冲击后不同裂隙角度试样的动态强度、能量耗散以及破碎分形特征，并基于断裂力学给出裂隙周边应力的理论结果。结果表明：随着裂隙角度的增加，峰值应力应变表现出典型的V形变化，均在30°达到最小值，其初始损伤区由裂隙尖端向裂隙中部移动，随后损伤范围逐渐扩大直至形成宏观破坏，其破坏形式也分别表现为拉伸破坏（0°）、剪切破坏（30°）、拉剪混合破坏（45°和60°），以及压塌破坏（90°）。试样的耗散能随着裂隙角度的增加先增大后减小，在30°达到最大值，表征了试样中能量积累和转化的过程。随着试样裂隙角度的增加，试样破碎分形值先增大后减小，整体分布在1.5~2.2，并在30°时取得最大值，说明此时试样耗散能量相对较大，从而导致试样破碎程度更高。结合断裂力学给出了裂隙周边的应力解析解，从理论上解释了不同裂隙角度下起裂角、应力分布以及能量耗散的变化规律，与试验结果吻合较好。

, authors=吉东亮1, 3, 文志杰1, 2, 左宇军2, 常建梅3, 李晓斌1, 韩现民3, 赵洪宝4, 杨淑慧3, 焉瀚丹3, 李卓璇3, authorsList=吉东亮, 文志杰, 左宇军, 常建梅, 李晓斌, 韩现民, 赵洪宝, 杨淑慧, 焉瀚丹, 李卓璇, authorCompany=null, correspAuthors=文志杰, authorNote=

吉东亮（1992—），男，博士，讲师。

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文志杰（1982—），男，博士，教授。
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动载作用下含不同角度裂隙混凝土的损伤效应
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吉东亮 1, 3 , 文志杰 1, 2 , 左宇军 2 , 常建梅 3 , 李晓斌 1 , 韩现民 3 , 赵洪宝 4 , 杨淑慧 3 , 焉瀚丹 3 , 李卓璇 3
硅酸盐学报 | 研究论文 2025,53(11): 3273-3281
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硅酸盐学报 |研究论文 2025 , 53 (11) : 3273 -3281
动载作用下含不同角度裂隙混凝土的损伤效应
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吉东亮1, 3 , 文志杰1, 2 , 左宇军2, 常建梅3, 李晓斌1, 韩现民3, 赵洪宝4, 杨淑慧3, 焉瀚丹3, 李卓璇3
作者信息
  • 1．煤炭开采水资源保护与利用国家重点实验室，北京 102200
  • 2．贵州大学矿业学院，贵阳 550000
  • 3．石家庄铁道大学省部共建交通工程结构力学行为与系统安全国家重点实验室，石家庄 050043
  • 4．中国矿业大学（北京）能源与矿业学院，北京 100083
通讯作者:
文志杰（1982—），男，博士，教授。
作者简介:

吉东亮（1992—），男，博士，讲师。

Damage effects of concrete with cracks at different angles under dynamic loading
Dongliang JI1, 3 , Zhijie WEN1, 2 , Yujun ZUO2, Jianmei CHANG3, Xiaobin LI1, Xianmin HAN3, Hongbao ZHAO4, Shuhui Yang3, Handan Yan3, Zhuoxuan Li3
Affiliations
  • 1.State Key Laboratory of Water Resource Protection and Utilization in Coal Mining, Beijing 102200, China
  • 2.College of Mining Engineering, Guizhou University, Guiyang 550025, China
  • 3.State Key Laboratory of Mechanical Behavior in Traffic Engineering Structure and System Safety, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
  • 4.School of Energy and Mining Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
    • Corresponding Author:
    WEN Zhijie (1982-), male, Ph.D., Professor. E-mail:

    JI Dongliang (1992-), male, Ph.D., Lecturer. E-mail:

出版时间: 2025-11-20 doi: 10.14062/j.issn.0454-5648.20250264
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摘要
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为研究动态冲击作用下含不同角度裂隙的混凝土裂纹扩展机理，利用分离式霍普金森压杆试验系统进行不同裂隙角度的动态冲击试验，采用数字图像相关系统进行表面应变监测，对比分析了动力冲击后不同裂隙角度试样的动态强度、能量耗散以及破碎分形特征，并基于断裂力学给出裂隙周边应力的理论结果。结果表明：随着裂隙角度的增加，峰值应力应变表现出典型的V形变化，均在30°达到最小值，其初始损伤区由裂隙尖端向裂隙中部移动，随后损伤范围逐渐扩大直至形成宏观破坏，其破坏形式也分别表现为拉伸破坏（0°）、剪切破坏（30°）、拉剪混合破坏（45°和60°），以及压塌破坏（90°）。试样的耗散能随着裂隙角度的增加先增大后减小，在30°达到最大值，表征了试样中能量积累和转化的过程。随着试样裂隙角度的增加，试样破碎分形值先增大后减小，整体分布在1.5~2.2，并在30°时取得最大值，说明此时试样耗散能量相对较大，从而导致试样破碎程度更高。结合断裂力学给出了裂隙周边的应力解析解，从理论上解释了不同裂隙角度下起裂角、应力分布以及能量耗散的变化规律，与试验结果吻合较好。

动态冲击  /  不同角度裂隙  /  混凝土  /  损伤效应  /  能量耗散
Introduction

As the depth of resource exploitation in our country increases, power shock disasters occur frequently in underground engineering, which will severely restrict the rapid development of the economy. In the process of strengthening the foundation with fly ash concrete, the strengthened body not only bears static loads but also dynamic loads, forming initial defects such as joints and cracks inside. The development, extension, and penetration of cracks under dynamic loads will further reduce the stability of the strengthened structure. Therefore, it is urgent to deeply study the mechanical properties of fly ash concrete with cracks under dynamic loads.

Methods

Dynamic impact tests were carried out with the split Hopkinson pressure bar (SHPB) test system on the samples with different fracture angles. Digital image correlation system (DIC) was used to monitor the deformation of surface strain. Characteristics of the samples with different fracture angles after dynamic impact were compared and analyzed including the dynamic strength, energy dissipation and fractal fracture.

Results and discussion

The results show that with the increase of the crack angle, the peak stress-strain presents a typical V-shaped pattern, reaching the minimum value at 30°. With the increase of fracture angle, the initial damage zone also moved from the fracture tip to the middle of the fracture, and then the damage range gradually expanded until the formation of macro failure. The failure modes are tensile failure (0°), shear failure (30°), tension-shear mixed failure (45° and 60°) and collapse failure (90°), respectively. The dissipated energy of the sample firstly increase and then decrease with the increase of the fracture angle, reaching the maximum value at 30°. The process of energy accumulation and transformation in fractured rock mass is characterized by the strain energy density. With the increase of the crack angle of the sample, the fractal value of the sample first increases and then decreases, and reaches a maximum value at 30°, indicating that a higher degree of sample breakage associated with dissipates relatively large energy. Based on fracture mechanics, the analytical solution of stress around the crack is given, and the variation of crack initiation angle, stress distribution and energy dissipation under different crack angles is theoretically explained, which is in good agreement with the experimental measurements.

Conclusions

This paper uses the SHPB and DIC systems to conduct dynamic impact tests on specimens with cracks at different angles, and compares and analyzes the dynamic strength, energy dissipation, and fracture fractal characteristics of specimens with different crack angles after dynamic impact, and gives the theoretical results of the stress around the crack. To provide some theoretical support for the deformation control of cracked concrete mixed with fly ash under dynamic action.

dynamic loading  /  different fracture angle  /  concrete  /  damage characterization  /  energy dissipation
吉东亮, 文志杰, 左宇军, 常建梅, 李晓斌, 韩现民, 赵洪宝, 杨淑慧, 焉瀚丹, 李卓璇. 动载作用下含不同角度裂隙混凝土的损伤效应. 硅酸盐学报, 2025 , 53 (11) : 3273 -3281 . DOI: 10.14062/j.issn.0454-5648.20250264
Dongliang JI, Zhijie WEN, Yujun ZUO, Jianmei CHANG, Xiaobin LI, Xianmin HAN, Hongbao ZHAO, Shuhui Yang, Handan Yan, Zhuoxuan Li. Damage effects of concrete with cracks at different angles under dynamic loading[J]. Journal of the Chinese Ceramic Society, 2025 , 53 (11) : 3273 -3281 . DOI: 10.14062/j.issn.0454-5648.20250264
基金
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  • 国家自然科学基金资助项目(52272439; U22A20233)
  • 河北省教育厅青年基金(50199990574)
  • 煤炭开采水资源保护与利用国家重点实验室年开放基金(NICE_RD_2025_111)
  • 国铁重大项目(K2020G034)
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2025年第53卷第11期
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doi: 10.14062/j.issn.0454-5648.20250264
  • 接收时间：2025-04-10
  • 首发时间：2026-10-21
  • 出版时间：2025-11-20
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  • 收稿日期：2025-04-10
  • 修回日期：2025-06-30
基金
国家自然科学基金资助项目(52272439; U22A20233)
河北省教育厅青年基金(50199990574)
煤炭开采水资源保护与利用国家重点实验室年开放基金(NICE_RD_2025_111)
国铁重大项目(K2020G034)
作者信息
    1．煤炭开采水资源保护与利用国家重点实验室，北京 102200
    2．贵州大学矿业学院，贵阳 550000
    3．石家庄铁道大学省部共建交通工程结构力学行为与系统安全国家重点实验室，石家庄 050043
    4．中国矿业大学（北京）能源与矿业学院，北京 100083

通讯作者:

文志杰（1982—），男，博士，教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20250264
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
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