Article(id=1223185967306097401, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220957, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1649260800000, receivedDateStr=2022-04-07, revisedDate=1654012800000, revisedDateStr=2022-06-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559860302, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559860302, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559860302, creator=13701087609, updateTime=1769559860302, updator=13701087609, issue=Issue{id=1223185958363841064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='3', 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=1769559858149, creator=13701087609, updateTime=1769561242661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223191765415477785, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223191765415477786, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=140, endPage=143, ext={EN=ArticleExt(id=1223185968363062078, articleId=1223185967306097401, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Shear Characteristics and Deterioration Law of Rock Bank Slope Joint Surface in Dry Hot Valley, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In the process of the rise and fall of the reservoir water level in the dry-hot valley reservoir area, the dry and hot conditions in dry and hot valley where the surface rock mass is located need to be considered, that is, the heat and wet cycle. Based on this, repeated shear tests of joint rock sample under heat and wet cycling were carried out. The results show that with the advance of the test period, the shear stress-shear displacement curve decreases as a whole, and the shear strength of the joint surface deteriorates obviously; The deterioration effect of shear strength under repeated shearing is particularly significant only in the initial state after the shear strength is modified; The deterioration effect of shear strength under heat and wet cycle is mainly concentrated in the first five cycles; After modification, the shear strength, cohesion and internal friction angle of the joint surface show a deterioration trend of “first fast and then slow” only under heat and wet cycle, which is consistent with the experimental results. The research results have guiding significance to the deterioration of rock mass and the stability analysis of bank slope in water-level-fluctuation zone of dry-hot valley.

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干热河谷库区岸坡岩体在库水位升降过程中,特别是表层岩体需考虑本身所处干热河谷的干热条件,即热湿循环作用。基于此,开展了热湿循环作用下节理岩样的重复剪切试验。结果表明,随试验周期的推进,剪切应力—剪切位移曲线整体下移,节理面剪切强度劣化明显;对剪切强度修正后,仅由重复剪切导致的剪切强度劣化效应在初始状态下尤为显著;仅由热湿循环导致的剪切强度劣化效应主要集中在前5个周期;修正后仅在热湿循环作用下,节理面剪切强度、粘聚力和内摩擦角均呈“先快后慢”的劣化趋势,与试验结果规律一致。研究结果对热河谷库岸消落带岩体的劣化及岸坡稳定性分析具有指导意义。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
孙旭曙(1981-),男,博士、副教授,研究方向为水工岩石力学,E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=oUIKU+TwUSMf1sEhvzV8iQ==, magXml=ajf5tTg2fIyT7XZTfXQNNQ==, pdfUrl=null, pdf=4HMhjpk5mrbfi6JGZ9u2AQ==, pdfFileSize=1740624, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=0m2gg+FLP1ch4s4gG6BC2g==, mapNumber=null, authorCompany=null, fund=null, authors=

张景昱(1987-),男,博士、副教授,研究方向为水工岩土工程,E-mail:

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张景昱(1987-),男,博士、副教授,研究方向为水工岩土工程,E-mail:

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张景昱(1987-),男,博士、副教授,研究方向为水工岩土工程,E-mail:

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干热河谷岩质岸坡节理面剪切特性劣化规律研究
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张景昱 1 , 王文东 1 , 冯云杰 1 , 孙旭曙 1 , 李文华 2 , 彭宇杰 1
水电能源科学 | 水利水电工程 2023,41(3): 140-143
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水电能源科学 | 水利水电工程 2023, 41(3): 140-143
干热河谷岩质岸坡节理面剪切特性劣化规律研究
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张景昱1 , 王文东1, 冯云杰1, 孙旭曙1 , 李文华2, 彭宇杰1
作者信息
  • 1.三峡大学三峡库区地质灾害教育部重点实验室,湖北 宜昌 443002
  • 2.中国三峡建工(集团)有限公司,四川 成都 610000
  • 张景昱(1987-),男,博士、副教授,研究方向为水工岩土工程,E-mail:

通讯作者:

孙旭曙(1981-),男,博士、副教授,研究方向为水工岩石力学,E-mail:
Study on Shear Characteristics and Deterioration Law of Rock Bank Slope Joint Surface in Dry Hot Valley
Jing-yu ZHANG1 , Wen-dong WANG1, Yun-jie FENG1, Xu-shu SUN1 , Wen-hua LI2, Yu-jie PENG1
Affiliations
  • 1.Key Laboratory of Geological Hazards in the Three Gorges Reservoir Area, Ministry of Education, China Three Gorges University, Yichang 443002, China
  • 2.China Three Gorges Construction Engineering Corporation, Chengdu 610000, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20220957
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干热河谷库区岸坡岩体在库水位升降过程中,特别是表层岩体需考虑本身所处干热河谷的干热条件,即热湿循环作用。基于此,开展了热湿循环作用下节理岩样的重复剪切试验。结果表明,随试验周期的推进,剪切应力—剪切位移曲线整体下移,节理面剪切强度劣化明显;对剪切强度修正后,仅由重复剪切导致的剪切强度劣化效应在初始状态下尤为显著;仅由热湿循环导致的剪切强度劣化效应主要集中在前5个周期;修正后仅在热湿循环作用下,节理面剪切强度、粘聚力和内摩擦角均呈“先快后慢”的劣化趋势,与试验结果规律一致。研究结果对热河谷库岸消落带岩体的劣化及岸坡稳定性分析具有指导意义。

干热河谷  /  热湿循环作用  /  重复剪切  /  剪切特性  /  劣化效应

In the process of the rise and fall of the reservoir water level in the dry-hot valley reservoir area, the dry and hot conditions in dry and hot valley where the surface rock mass is located need to be considered, that is, the heat and wet cycle. Based on this, repeated shear tests of joint rock sample under heat and wet cycling were carried out. The results show that with the advance of the test period, the shear stress-shear displacement curve decreases as a whole, and the shear strength of the joint surface deteriorates obviously; The deterioration effect of shear strength under repeated shearing is particularly significant only in the initial state after the shear strength is modified; The deterioration effect of shear strength under heat and wet cycle is mainly concentrated in the first five cycles; After modification, the shear strength, cohesion and internal friction angle of the joint surface show a deterioration trend of “first fast and then slow” only under heat and wet cycle, which is consistent with the experimental results. The research results have guiding significance to the deterioration of rock mass and the stability analysis of bank slope in water-level-fluctuation zone of dry-hot valley.

dry hot valley  /  heat and wet cycle  /  repeated shear  /  shear characteristics  /  deterioration effect
张景昱, 王文东, 冯云杰, 孙旭曙, 李文华, 彭宇杰. 干热河谷岩质岸坡节理面剪切特性劣化规律研究. 水电能源科学, 2023 , 41 (3) : 140 -143 . DOI: 10.20040/j.cnki.1000-7709.2023.20220957
Jing-yu ZHANG, Wen-dong WANG, Yun-jie FENG, Xu-shu SUN, Wen-hua LI, Yu-jie PENG. Study on Shear Characteristics and Deterioration Law of Rock Bank Slope Joint Surface in Dry Hot Valley[J]. Water Resources and Power, 2023 , 41 (3) : 140 -143 . DOI: 10.20040/j.cnki.1000-7709.2023.20220957
  • 国家自然科学基金青年基金项目(52009067)
  • 国家自然科学基金联合基金项目(U2034203)
2023年第41卷第3期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20220957
  • 接收时间:2022-04-07
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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出版历史
  • 收稿日期:2022-04-07
  • 修回日期:2022-06-01
基金
国家自然科学基金青年基金项目(52009067)
国家自然科学基金联合基金项目(U2034203)
作者信息
    1.三峡大学三峡库区地质灾害教育部重点实验室,湖北 宜昌 443002
    2.中国三峡建工(集团)有限公司,四川 成都 610000

通讯作者:

孙旭曙(1981-),男,博士、副教授,研究方向为水工岩石力学,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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