Article(id=1223278132636029172, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222585, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1670947200000, receivedDateStr=2022-12-14, revisedDate=1673798400000, revisedDateStr=2023-01-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1769581834228, onlineDateStr=2026-01-28, pubDate=1698163200000, pubDateStr=2023-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769581834228, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769581834228, creator=13701087609, updateTime=1769581834228, updator=13701087609, issue=Issue{id=1223278131956551924, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='10', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769581834067, creator=13701087609, updateTime=1769584342407, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223288652869030422, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223288652869030423, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=137, endPage=140, ext={EN=ArticleExt(id=1223278132946407672, articleId=1223278132636029172, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Mechanism of Riverbank Failure Based on BSTEM, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

River bank collapse is very common in natural rivers and plays an important role in the evolution of river channels. In order to quantitatively study the influence of river bank soil properties and bank slope inclination on river bank stability, the BSTEM model for calculating river bank stability and bank toe erosion was adopted, and six typical river bank materials were selected to study the stability of homogeneous river banks under six bank slope inclination angles. Under the condition of ignoring the water table, the collapse modes of non-cohesive bank slope and cohesive bank slope are different. For non-cohesive bank, the dominant factor affecting bank stability is the effective internal friction angle. The larger the effective internal friction angle is, the more stable the bank is. For cohesive bank, the dominant factor affecting the stability of the cohesive bank is effective cohesion. The greater the effective cohesion is, the more stable the bank is. When the effective cohesion difference is the same, the smaller the absolute value of the effective internal friction angle difference is, the more the safety factor increases. The increase of bank slope inclination reduces river bank stability and the safety factor. The larger the effective internal friction angle of the non-cohesive bank is, the more sensitive the safety factor to the change of bank slope inclination is. For cohesive banks, the greater the effective cohesion is, the more sensitive the safety factor to the change of bank slope inclination is.

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河岸崩塌现象在天然河流中非常普遍,在河道演变中发挥着重要作用。为了量化研究河岸土体性质和岸坡倾角对河岸稳定性的影响,基于计算河岸稳定和坡脚冲刷的BSTEM模型,选取6种不同典型物质的河岸,研究了6种岸坡倾角下均质河岸的稳定性。在忽略潜水位的条件下,非粘性岸坡和粘性岸坡的崩塌模式不同。对于非粘性河岸,影响河岸稳定性的主导因素是有效内摩擦角,有效内摩擦角越大,河岸越稳定;对于粘性河岸,影响河岸稳定性的主导因素是有效粘聚力,有效粘聚力越大,河岸越稳定。有效粘聚力差值相同时,有效内摩擦角差值的绝对值越小,安全系数增加越多。岸坡倾角增加使河岸稳定性降低,安全系数减小。非粘性河岸的有效内摩擦角越大,安全系数对岸坡倾角的变化越敏感。而对于粘性河岸,有效粘聚力越大,安全系数对岸坡倾角的变化越敏感。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
张向(1991-),男,工程师,研究方向为游荡性河流河床演变与河道整治,E-mail:
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吴新宇(1989-),女,讲师,研究方向为河道演变,E-mail:

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基于BSTEM的河岸崩塌机理研究
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吴新宇 1, 2 , 张向 2, 3a, 3b
水电能源科学 | 水利水电工程 2023,41(10): 137-140
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水电能源科学 | 水利水电工程 2023, 41(10): 137-140
基于BSTEM的河岸崩塌机理研究
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吴新宇1, 2 , 张向2, 3a, 3b
作者信息
  • 1.华北水利水电大学水利学院,河南 郑州 450046
  • 2.水利部黄河下游河道与河口治理重点实验室,河南 郑州 450004
  • 3.a.黄河水利委员会黄河水利科学研究院,河南 郑州 450004
  • 3.b.黄河水利委员会黄河流域生态保护和高质量发展研究中心,河南 郑州 450004
  • 吴新宇(1989-),女,讲师,研究方向为河道演变,E-mail:

通讯作者:

张向(1991-),男,工程师,研究方向为游荡性河流河床演变与河道整治,E-mail:
Research on Mechanism of Riverbank Failure Based on BSTEM
Xin-yu WU1, 2 , Xiang ZHANG2, 3a, 3b
Affiliations
  • 1.School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
  • 2.Key Laboratory of Lower Yellow River Channel and Estuary Regulation, MWR, Zhengzhou 450004, China
  • 3a.Yellow River Institute of Hydraulic Research, YRCC, Zhengzhou 450004, China
  • 3b.Research Center of YB Conservation and Development, YRCC, Zhengzhou 450004, China
出版时间: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20222585
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河岸崩塌现象在天然河流中非常普遍,在河道演变中发挥着重要作用。为了量化研究河岸土体性质和岸坡倾角对河岸稳定性的影响,基于计算河岸稳定和坡脚冲刷的BSTEM模型,选取6种不同典型物质的河岸,研究了6种岸坡倾角下均质河岸的稳定性。在忽略潜水位的条件下,非粘性岸坡和粘性岸坡的崩塌模式不同。对于非粘性河岸,影响河岸稳定性的主导因素是有效内摩擦角,有效内摩擦角越大,河岸越稳定;对于粘性河岸,影响河岸稳定性的主导因素是有效粘聚力,有效粘聚力越大,河岸越稳定。有效粘聚力差值相同时,有效内摩擦角差值的绝对值越小,安全系数增加越多。岸坡倾角增加使河岸稳定性降低,安全系数减小。非粘性河岸的有效内摩擦角越大,安全系数对岸坡倾角的变化越敏感。而对于粘性河岸,有效粘聚力越大,安全系数对岸坡倾角的变化越敏感。

河岸崩塌  /  BSTEM  /  土体性质  /  岸坡倾角

River bank collapse is very common in natural rivers and plays an important role in the evolution of river channels. In order to quantitatively study the influence of river bank soil properties and bank slope inclination on river bank stability, the BSTEM model for calculating river bank stability and bank toe erosion was adopted, and six typical river bank materials were selected to study the stability of homogeneous river banks under six bank slope inclination angles. Under the condition of ignoring the water table, the collapse modes of non-cohesive bank slope and cohesive bank slope are different. For non-cohesive bank, the dominant factor affecting bank stability is the effective internal friction angle. The larger the effective internal friction angle is, the more stable the bank is. For cohesive bank, the dominant factor affecting the stability of the cohesive bank is effective cohesion. The greater the effective cohesion is, the more stable the bank is. When the effective cohesion difference is the same, the smaller the absolute value of the effective internal friction angle difference is, the more the safety factor increases. The increase of bank slope inclination reduces river bank stability and the safety factor. The larger the effective internal friction angle of the non-cohesive bank is, the more sensitive the safety factor to the change of bank slope inclination is. For cohesive banks, the greater the effective cohesion is, the more sensitive the safety factor to the change of bank slope inclination is.

river bank collapse  /  BSTEM  /  soil properties  /  bank slope inclination
吴新宇, 张向. 基于BSTEM的河岸崩塌机理研究. 水电能源科学, 2023 , 41 (10) : 137 -140 . DOI: 10.20040/j.cnki.1000-7709.2023.20222585
Xin-yu WU, Xiang ZHANG. Research on Mechanism of Riverbank Failure Based on BSTEM[J]. Water Resources and Power, 2023 , 41 (10) : 137 -140 . DOI: 10.20040/j.cnki.1000-7709.2023.20222585
  • 国家自然科学基金重点项目(41930643)
  • 华北水利水电大学科研启动项目(40830)
  • 水利部黄河下游河道与河口治理重点实验室开放课题基金项目(LYRCER202203)
  • 国家自然科学基金项目(42041006; U2243222)
  • 河南省自然科学基金项目(212300410372)
  • 中央级公益性科研院所基本科研业务费专项(HKY-JBYW-2020-15)
2023年第41卷第10期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20222585
  • 接收时间:2022-12-14
  • 首发时间:2026-01-28
  • 出版时间:2023-10-25
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出版历史
  • 收稿日期:2022-12-14
  • 修回日期:2023-01-16
基金
国家自然科学基金重点项目(41930643)
华北水利水电大学科研启动项目(40830)
水利部黄河下游河道与河口治理重点实验室开放课题基金项目(LYRCER202203)
国家自然科学基金项目(42041006; U2243222)
河南省自然科学基金项目(212300410372)
中央级公益性科研院所基本科研业务费专项(HKY-JBYW-2020-15)
作者信息
    1.华北水利水电大学水利学院,河南 郑州 450046
    2.水利部黄河下游河道与河口治理重点实验室,河南 郑州 450004
    3.a.黄河水利委员会黄河水利科学研究院,河南 郑州 450004
    3.b.黄河水利委员会黄河流域生态保护和高质量发展研究中心,河南 郑州 450004

通讯作者:

张向(1991-),男,工程师,研究方向为游荡性河流河床演变与河道整治,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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