Article(id=1223201258727658114, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221522, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1658937600000, receivedDateStr=2022-07-28, revisedDate=1662998400000, revisedDateStr=2022-09-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563506061, onlineDateStr=2026-01-28, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563506061, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563506061, creator=13701087609, updateTime=1769563506061, updator=13701087609, issue=Issue{id=1223201250133524577, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='7', 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=1769563504012, creator=13701087609, updateTime=1769563583713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223201584469885927, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223201584469885928, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=167, endPage=170, ext={EN=ArticleExt(id=1223201259025453717, articleId=1223201258727658114, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Degradation Law of Physical Properties and Macro-micro Structure of Mica-quartz Schist Under Dry-wet Cycles, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In order to study the degradation of mica-quartz schist under the action of dry-wet cycles, which widely distributed in Shiyan, Hubei province was taken as the research object. The hydroscopicity test, wave velocity test and scanning electron microscope test were carried out on the samples under the action of dry-wet cycles, respectively, to reveal the law and mechanism of physical deterioration. The test results show that the water absorption increases greatly, the wave velocity decreases and gradually tends to be stable with the increase of the number of dry-wet cycles. Besides, the surface of the sample was gradually disseminated into reddish-brown, and the foliation was gradually cracked and connected. Finally, the flake particles became more, round and granulated, the number of cracks increased and the micro-fractures gradually expanded, so the water absorption rate increased and wave speed decreased of mica-quartz schist under the action of dry-wet cycles.

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为研究云母石英片岩在干湿循环作用下易劣化问题,以鄂西北地区广泛分布的云母石英片岩为例,分别对不同干湿循环作用下片岩试样开展吸水性试验、波速测试和电镜扫描试验,揭示其物理性能及宏微观结构劣化规律。试验结果表明,云母石英片岩吸水率随干湿循环次数的增加呈大幅上升的趋势;波速随干湿循环次数的增加而减小,并逐渐趋于稳定;试样表面逐渐被浸染成红褐色,且片理面逐渐开裂、贯通;片状颗粒剥落变多,逐渐浑圆化、颗粒化,矿物颗粒间裂隙、孔数量不断增多,微裂隙逐渐扩展、开裂,进而使其吸水率增大、波速降低。

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徐光黎(1963-),男,博士、教授、博导,研究方向为地质工程,E-mail:
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李志刚(1988-),男,博士、讲师、硕导,研究方向为岩土力学,E-mail:

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李志刚(1988-),男,博士、讲师、硕导,研究方向为岩土力学,E-mail:

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李志刚(1988-),男,博士、讲师、硕导,研究方向为岩土力学,E-mail:

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干湿循环作用下云母石英片岩物理性能及宏微观结构劣化规律
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李志刚 1 , 刘伟 2 , 张钟文 1 , 叶宏林 1 , 徐光黎 3 , 马郧 4
水电能源科学 | 水利水电工程 2023,41(7): 167-170
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水电能源科学 | 水利水电工程 2023, 41(7): 167-170
干湿循环作用下云母石英片岩物理性能及宏微观结构劣化规律
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李志刚1 , 刘伟2, 张钟文1, 叶宏林1, 徐光黎3 , 马郧4
作者信息
  • 1.扬州大学建筑科学与工程学院,江苏 扬州 225127
  • 2.十堰市自然资源和规划局,湖北 十堰 442000
  • 3.中国地质大学(武汉)工程学院,湖北 武汉 430074
  • 4.中南勘察设计院集团有限公司,湖北 武汉 430074
  • 李志刚(1988-),男,博士、讲师、硕导,研究方向为岩土力学,E-mail:

通讯作者:

徐光黎(1963-),男,博士、教授、博导,研究方向为地质工程,E-mail:
Degradation Law of Physical Properties and Macro-micro Structure of Mica-quartz Schist Under Dry-wet Cycles
Zhi-gang LI1 , Wei LIU2, Zhong-wen ZHANG1, Hong-lin YE1, Guang-li XU3 , Yun MA4
Affiliations
  • 1.College of Civil Science and Engineering, Yangzhou University, Yangzhou 225127, China
  • 2.Shiyan Natural Resources and Planning Bureau, Shiyan 442000, China
  • 3.Faculty of Engineering, China University of Geosciences, Wuhan 430074, China
  • 4.Central South Survey Design Institute Group Co., Ltd., Wuhan 430074, China
出版时间: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221522
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为研究云母石英片岩在干湿循环作用下易劣化问题,以鄂西北地区广泛分布的云母石英片岩为例,分别对不同干湿循环作用下片岩试样开展吸水性试验、波速测试和电镜扫描试验,揭示其物理性能及宏微观结构劣化规律。试验结果表明,云母石英片岩吸水率随干湿循环次数的增加呈大幅上升的趋势;波速随干湿循环次数的增加而减小,并逐渐趋于稳定;试样表面逐渐被浸染成红褐色,且片理面逐渐开裂、贯通;片状颗粒剥落变多,逐渐浑圆化、颗粒化,矿物颗粒间裂隙、孔数量不断增多,微裂隙逐渐扩展、开裂,进而使其吸水率增大、波速降低。

云母石英片岩  /  干湿循环  /  物理性能  /  电镜扫描  /  劣化规律

In order to study the degradation of mica-quartz schist under the action of dry-wet cycles, which widely distributed in Shiyan, Hubei province was taken as the research object. The hydroscopicity test, wave velocity test and scanning electron microscope test were carried out on the samples under the action of dry-wet cycles, respectively, to reveal the law and mechanism of physical deterioration. The test results show that the water absorption increases greatly, the wave velocity decreases and gradually tends to be stable with the increase of the number of dry-wet cycles. Besides, the surface of the sample was gradually disseminated into reddish-brown, and the foliation was gradually cracked and connected. Finally, the flake particles became more, round and granulated, the number of cracks increased and the micro-fractures gradually expanded, so the water absorption rate increased and wave speed decreased of mica-quartz schist under the action of dry-wet cycles.

mica-quartz schist  /  dry-wet cycles  /  physical properties  /  scanning electron microscope  /  degradation law
李志刚, 刘伟, 张钟文, 叶宏林, 徐光黎, 马郧. 干湿循环作用下云母石英片岩物理性能及宏微观结构劣化规律. 水电能源科学, 2023 , 41 (7) : 167 -170 . DOI: 10.20040/j.cnki.1000-7709.2023.20221522
Zhi-gang LI, Wei LIU, Zhong-wen ZHANG, Hong-lin YE, Guang-li XU, Yun MA. Degradation Law of Physical Properties and Macro-micro Structure of Mica-quartz Schist Under Dry-wet Cycles[J]. Water Resources and Power, 2023 , 41 (7) : 167 -170 . DOI: 10.20040/j.cnki.1000-7709.2023.20221522
  • 国家自然科学基金项目(41772314)
  • 江苏省高等学校自然科学研究项目(20KJB170020)
  • 湖北省科技厅重点研发项目(2021BCA219)
  • 湖北省自然资源厅科技项目(ZRZY2022KJ17)
2023年第41卷第7期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20221522
  • 接收时间:2022-07-28
  • 首发时间:2026-01-28
  • 出版时间:2023-07-25
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  • 收稿日期:2022-07-28
  • 修回日期:2022-09-13
基金
国家自然科学基金项目(41772314)
江苏省高等学校自然科学研究项目(20KJB170020)
湖北省科技厅重点研发项目(2021BCA219)
湖北省自然资源厅科技项目(ZRZY2022KJ17)
作者信息
    1.扬州大学建筑科学与工程学院,江苏 扬州 225127
    2.十堰市自然资源和规划局,湖北 十堰 442000
    3.中国地质大学(武汉)工程学院,湖北 武汉 430074
    4.中南勘察设计院集团有限公司,湖北 武汉 430074

通讯作者:

徐光黎(1963-),男,博士、教授、博导,研究方向为地质工程,E-mail:
参考文献
分享链接
https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20221522
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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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