Article(id=1222925295838028462, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222925278838513745, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220828, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1650643200000, receivedDateStr=2022-04-23, revisedDate=1652716800000, revisedDateStr=2022-05-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1769497711380, onlineDateStr=2026-01-27, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769497711380, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769497711380, creator=13701087609, updateTime=1769497711380, updator=13701087609, issue=Issue{id=1222925278838513745, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='2', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769497707328, creator=13701087609, updateTime=1769497707328, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=199, endPage=201, ext={EN=ArticleExt(id=1222925296114852539, articleId=1222925295838028462, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Polygonal Line Strength Criterion of Cemented Gravel Soil, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In view of the difference between the performance of cemented gravel soil under low normal stress and high normal stress, based on the Mohr-Coulomb strength criterion, according to the Mohr-Coulomb strength line of cemented gravel soil before and after yield stress, a polygonal line strength criterion of cemented gravel soil was proposed. The relationship between strength criterion parameters and uniaxial compressive strength and uniaxial tensile strength was deduced. Uniaxial compression test and direct tensile test were carried out to calculate the strength criterion parameters and compare with the strength criterion parameters obtained by triaxial compression test. The results show that the error range between the calculated value and the experimental value is reasonable. The polygonal line strength criterion is suitable for cemented gravel soil.

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针对胶结碎石土在低正应力和高正应力下的表现的差异性问题,基于摩尔-库伦强度准则,根据胶结碎石土在屈服应力前后的摩尔-库伦强度线,提出了胶结碎石土的折线型强度准则,推导了强度准则参数与单轴抗压强度和抗拉强度的关系,通过单轴压缩试验和直接拉伸试验计算了强度准则参数,并与三轴压缩试验直接获取的强度准则参数结果进行比较。结果表明,计算值与试验值误差在合理范围内,折线型强度准则对胶结碎石土具有一定的适用性。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
王琛(1977-),男,博士、副教授、硕导,研究方向为粗粒土的工程性质等,E-mail:
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朱思宇(1997-),男,硕士研究生,研究方向为粗粒土的工程性质,E-mail:

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朱思宇(1997-),男,硕士研究生,研究方向为粗粒土的工程性质,E-mail:

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朱思宇(1997-),男,硕士研究生,研究方向为粗粒土的工程性质,E-mail:

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胶结碎石土的折线型强度准则研究
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朱思宇 1 , 李文涛 2 , 王旭光 1 , 王琛 1
水电能源科学 | 水利水电工程 2023,41(2): 199-201
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水电能源科学 | 水利水电工程 2023, 41(2): 199-201
胶结碎石土的折线型强度准则研究
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朱思宇1 , 李文涛2, 王旭光1, 王琛1
作者信息
  • 1.四川大学水利水电学院,四川 成都 610065
  • 2.中国三峡建工(集团)有限公司,四川 成都 610065
  • 朱思宇(1997-),男,硕士研究生,研究方向为粗粒土的工程性质,E-mail:

通讯作者:

王琛(1977-),男,博士、副教授、硕导,研究方向为粗粒土的工程性质等,E-mail:
Study on Polygonal Line Strength Criterion of Cemented Gravel Soil
Si-yu ZHU1 , Wen-tao LI2, Xu-guang WANG1, Chen WANG1
Affiliations
  • 1.College of Water Resource & Hydropower, Sichuan University, Chengdu 610065, China
  • 2.China Three Gorges Construction Engineering Corporation, Chengdu 610065, China
出版时间: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220828
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针对胶结碎石土在低正应力和高正应力下的表现的差异性问题,基于摩尔-库伦强度准则,根据胶结碎石土在屈服应力前后的摩尔-库伦强度线,提出了胶结碎石土的折线型强度准则,推导了强度准则参数与单轴抗压强度和抗拉强度的关系,通过单轴压缩试验和直接拉伸试验计算了强度准则参数,并与三轴压缩试验直接获取的强度准则参数结果进行比较。结果表明,计算值与试验值误差在合理范围内,折线型强度准则对胶结碎石土具有一定的适用性。

胶结碎石土  /  强度准则  /  抗剪强度参数  /  三轴压缩试验

In view of the difference between the performance of cemented gravel soil under low normal stress and high normal stress, based on the Mohr-Coulomb strength criterion, according to the Mohr-Coulomb strength line of cemented gravel soil before and after yield stress, a polygonal line strength criterion of cemented gravel soil was proposed. The relationship between strength criterion parameters and uniaxial compressive strength and uniaxial tensile strength was deduced. Uniaxial compression test and direct tensile test were carried out to calculate the strength criterion parameters and compare with the strength criterion parameters obtained by triaxial compression test. The results show that the error range between the calculated value and the experimental value is reasonable. The polygonal line strength criterion is suitable for cemented gravel soil.

cemented gravel soil  /  strength criterion  /  shear strength parameters  /  triaxial compression test
朱思宇, 李文涛, 王旭光, 王琛. 胶结碎石土的折线型强度准则研究. 水电能源科学, 2023 , 41 (2) : 199 -201 . DOI: 10.20040/j.cnki.1000-7709.2023.20220828
Si-yu ZHU, Wen-tao LI, Xu-guang WANG, Chen WANG. Study on Polygonal Line Strength Criterion of Cemented Gravel Soil[J]. Water Resources and Power, 2023 , 41 (2) : 199 -201 . DOI: 10.20040/j.cnki.1000-7709.2023.20220828
2023年第41卷第2期
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doi: 10.20040/j.cnki.1000-7709.2023.20220828
  • 接收时间:2022-04-23
  • 首发时间:2026-01-27
  • 出版时间:2023-02-25
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  • 收稿日期:2022-04-23
  • 修回日期:2022-05-17
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作者信息
    1.四川大学水利水电学院,四川 成都 610065
    2.中国三峡建工(集团)有限公司,四川 成都 610065

通讯作者:

王琛(1977-),男,博士、副教授、硕导,研究方向为粗粒土的工程性质等,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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