Article(id=1319236459303915792, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210990, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1637251200000, receivedDateStr=2021-11-19, revisedDate=1637856000000, revisedDateStr=2021-11-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460082125, onlineDateStr=2026-10-20, pubDate=1660924800000, pubDateStr=2022-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460082125, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460082125, creator=13701087609, updateTime=1792460082125, updator=13701087609, issue=Issue{id=1319236433387303232, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='8', pageStart='2067', pageEnd='2350', issueExtLink='null', onlineDate='null', pubDate='1660924800000', pubDateStr='2022-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460075946, creator='13701087609', updateTime=1792460621958, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319238723569569958, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319238723569569959, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2173, endPage=2181, ext={EN=ArticleExt(id=1319236459513630993, articleId=1319236459303915792, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Energy Drop Coefficient and Evolution Characteristics of Basalt Fiber Reinforced Concrete Under Triaxial Cyclic Compression, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

To study the brittleness index change of basalt fiber reinforced concrete (BFRC) and input energy, elastic energy and dissipative energy evolution law under cyclic loading at different confining pressures, triaxial compression tests and cyclic loading tests at different confining pressures (i.e. 5, 10, 15, 20 and 30 MPa) were carried out in a model MTS816 Rock Test System, and the energy drop coefficient was introduced to express the BFRC brittleness index. The results of triaxial compression test show that except 5 MPa, the drop coefficient of BFRC at other confining pressures is increased by 1.26, 2.03, 2.77 and 4.24 times, respectively. Based on the results of cyclic loading test results, when the cycle is controlled by displacement, the unloading point at the post-peak stage can be obtained according to the set displacement value instead of the peak stress point of a single cycle. The energy evolution curve of BFRC has obvious stage characteristics, and the energy value of a single cycle is closely related to the loading and unloading points. The stable state of BFRC can be indirectly judged by a ratio of elastic energy to dissipative energy.

, authors=Tianxia WEI1, Jiajian LIN1, 2, Guodong SHI2, 3, Haibo WU2, authorsList=Tianxia WEI, Jiajian LIN, Guodong SHI, Haibo WU, authorCompany=null, correspAuthors=Jiajian LIN, authorNote=

WEI Tianxia (1995-), male, Master candidate. E-mail:

, correspAuthorsNote=
LIN Jiajian (1979-), male, Ph.D., Lecturer. E-mail:
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为探究玄武岩纤维混凝土(BFRC)在不同围压下脆性指数变化和循环加载下输入能、弹性能、耗散能的演化规律,采用MTS816岩石测试系统开展了不同围压下(5、10、15、20、30 MPa)三轴压缩试验和循环加载试验,并引入能量跌落系数定量化表示了BFRC脆性指数。三轴压缩试验结果表明,较5 MPa相比,其它围压下BFRC的跌落系数分别提高了约1.26、2.03、2.77和4.24倍;循环加载试验结果表明:通过位移控制循环时,峰后阶段的卸载点应根据设定的位移值得到而非单次循环的峰值应力点;BFRC的能量演化曲线具有明显的阶段特征,单次循环的能量值大小与加卸载点密切相关;可通过弹性能与耗散能之比间接判断BFRC的稳定状态。

, authors=韦天下1, 林加剑1, 2, 施国栋2, 3, 吴海波2, authorsList=韦天下, 林加剑, 施国栋, 吴海波, authorCompany=null, correspAuthors=林加剑, authorNote=

韦天下(1995—),男,硕士研究生。

, correspAuthorsNote=
林加剑(1979—),男,博士,讲师。
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韦天下(1995—),男,硕士研究生。

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三轴循环加载下玄武岩纤维混凝土能量跌落系数及演化特征
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韦天下 1 , 林加剑 1, 2 , 施国栋 2, 3 , 吴海波 2
硅酸盐学报 | 研究论文 2022,50(8): 2173-2181
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硅酸盐学报 |研究论文 2022 , 50 (8) : 2173 -2181
三轴循环加载下玄武岩纤维混凝土能量跌落系数及演化特征
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韦天下1 , 林加剑1, 2 , 施国栋2, 3, 吴海波2
作者信息
  • 1.安徽大学电气工程与自动化学院,合肥 230601
  • 2.合肥综合性国家科学中心能源研究院,合肥 230601
  • 3.安徽建筑大学土木工程学院,合肥 230601
通讯作者:
林加剑(1979—),男,博士,讲师。
作者简介:

韦天下(1995—),男,硕士研究生。

Energy Drop Coefficient and Evolution Characteristics of Basalt Fiber Reinforced Concrete Under Triaxial Cyclic Compression
Tianxia WEI1 , Jiajian LIN1, 2 , Guodong SHI2, 3, Haibo WU2
Affiliations
  • 1.School of Electrical Engineering and Automation, Anhui University, HeFei 230031, China
  • 2.Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230601, China
  • 3.Civil Engineering College, Anhui Jianzhu University, Hefei 230601, China
  • Corresponding Author:
    LIN Jiajian (1979-), male, Ph.D., Lecturer. E-mail:

    WEI Tianxia (1995-), male, Master candidate. E-mail:

出版时间: 2022-08-20 doi: 10.14062/j.issn.0454-5648.20210990
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为探究玄武岩纤维混凝土(BFRC)在不同围压下脆性指数变化和循环加载下输入能、弹性能、耗散能的演化规律,采用MTS816岩石测试系统开展了不同围压下(5、10、15、20、30 MPa)三轴压缩试验和循环加载试验,并引入能量跌落系数定量化表示了BFRC脆性指数。三轴压缩试验结果表明,较5 MPa相比,其它围压下BFRC的跌落系数分别提高了约1.26、2.03、2.77和4.24倍;循环加载试验结果表明:通过位移控制循环时,峰后阶段的卸载点应根据设定的位移值得到而非单次循环的峰值应力点;BFRC的能量演化曲线具有明显的阶段特征,单次循环的能量值大小与加卸载点密切相关;可通过弹性能与耗散能之比间接判断BFRC的稳定状态。

玄武岩纤维混凝土  /  三轴压缩  /  循环加载  /  能量跌落系数  /  能量演化

To study the brittleness index change of basalt fiber reinforced concrete (BFRC) and input energy, elastic energy and dissipative energy evolution law under cyclic loading at different confining pressures, triaxial compression tests and cyclic loading tests at different confining pressures (i.e. 5, 10, 15, 20 and 30 MPa) were carried out in a model MTS816 Rock Test System, and the energy drop coefficient was introduced to express the BFRC brittleness index. The results of triaxial compression test show that except 5 MPa, the drop coefficient of BFRC at other confining pressures is increased by 1.26, 2.03, 2.77 and 4.24 times, respectively. Based on the results of cyclic loading test results, when the cycle is controlled by displacement, the unloading point at the post-peak stage can be obtained according to the set displacement value instead of the peak stress point of a single cycle. The energy evolution curve of BFRC has obvious stage characteristics, and the energy value of a single cycle is closely related to the loading and unloading points. The stable state of BFRC can be indirectly judged by a ratio of elastic energy to dissipative energy.

basalt fiber reinforced concrete  /  triaxial compression  /  cyclic loading  /  energy drop coefficient  /  energy evolution
韦天下, 林加剑, 施国栋, 吴海波. 三轴循环加载下玄武岩纤维混凝土能量跌落系数及演化特征. 硅酸盐学报, 2022 , 50 (8) : 2173 -2181 . DOI: 10.14062/j.issn.0454-5648.20210990
Tianxia WEI, Jiajian LIN, Guodong SHI, Haibo WU. Energy Drop Coefficient and Evolution Characteristics of Basalt Fiber Reinforced Concrete Under Triaxial Cyclic Compression[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (8) : 2173 -2181 . DOI: 10.14062/j.issn.0454-5648.20210990
  • 安徽省高校协同创新项目(21KZZ701)
  • 建筑健康监测与灾害预防国家地方联合工程实验室开放基金(GG19KF001)
  • 建筑结构与地下工程安徽省重点实验室开放基金(JD20KF003)
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2022年第50卷第8期
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doi: 10.14062/j.issn.0454-5648.20210990
  • 接收时间:2021-11-19
  • 首发时间:2026-10-20
  • 出版时间:2022-08-20
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  • 收稿日期:2021-11-19
  • 修回日期:2021-11-26
基金
安徽省高校协同创新项目(21KZZ701)
建筑健康监测与灾害预防国家地方联合工程实验室开放基金(GG19KF001)
建筑结构与地下工程安徽省重点实验室开放基金(JD20KF003)
作者信息
    1.安徽大学电气工程与自动化学院,合肥 230601
    2.合肥综合性国家科学中心能源研究院,合肥 230601
    3.安徽建筑大学土木工程学院,合肥 230601

通讯作者:

林加剑(1979—),男,博士,讲师。
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2种不同金属材料的力学参数
科
Family
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Number of
genus
种数
Number of
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占总种数比例
Percentage of
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属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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
栓菌属 Trametes 5 2.39
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