Article(id=1223278137086185936, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222399, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1668355200000, receivedDateStr=2022-11-14, revisedDate=1671379200000, revisedDateStr=2022-12-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1769581835290, onlineDateStr=2026-01-28, pubDate=1698163200000, pubDateStr=2023-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769581835290, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769581835290, creator=13701087609, updateTime=1769581835290, 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=216, endPage=219, ext={EN=ArticleExt(id=1223278137392370151, articleId=1223278137086185936, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Influence of Parameter Distribution Type on Reliability of Hydraulic Steel Gate, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Aiming at the two failure modes of hydraulic steel gates, the relative deformation failure under the normal service state and the bending shear composite strength failure under the limit state of bearing capacity, the corresponding failure probability analysis models were established respectively. The influence of different parameter distribution types on the failure probability of two failure modes of outcrop steel gates and deep-hole steel gates in hydraulic steel gates was explored through Monte Carlo simulations. The results show that under the same failure mode, when the coefficient of variation of the variable itself remains unchanged, the failure probabilities obtained by different distribution types are relatively close. Compared with the outcrop gate, the deep-hole gate has a higher failure probability and is more prone to instability. But the type of parameter distribution has little influence on the failure probability of deep-hole gate and has great influence on the outcrop gate. When the random variables of each parameter follow the logarithmic normal distribution, it will have a relatively maximum failure probability. It is easy to overestimate the reliability of hydraulic steel gates by considering only the normal distribution.

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基于水工钢闸门在正常使用极限状态下相对变形破坏和承载能力极限状态下抗弯剪复合强度破坏两种破坏模式,分别建立了相应的失效概率分析模型,通过蒙特卡罗模拟,探讨了不同参数分布类型对平板钢闸门中露顶门和潜孔门两种破坏模式失效概率的影响。结果表明,在同一失效模式下,当变量自身变异性保持不变时,其不同分布类型得出的失效概率比较接近,相较于露顶门,潜孔门失效概率更大,更容易失稳;但参数分布类型对潜孔门失效概率影响较小,对露顶门影响较大;各参数变量服从对数正态分布时,不论露顶门还是潜孔门均会出现相对于正态分布更大的失效概率,若仅考虑变量的正态分布类型则容易引起对水工钢闸门可靠性过高的估计。

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胡涛勇(1977-),男,高级工程师,研究方向为工程设计及项目管理,E-mail:

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胡涛勇(1977-),男,高级工程师,研究方向为工程设计及项目管理,E-mail:

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胡涛勇(1977-),男,高级工程师,研究方向为工程设计及项目管理,E-mail:

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参数分布类型对水工钢闸门可靠性影响分析
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胡涛勇 , 韩一峰 , 石守津 , 周以达
水电能源科学 | 机电与控制工程 2023,41(10): 216-219
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水电能源科学 | 机电与控制工程 2023, 41(10): 216-219
参数分布类型对水工钢闸门可靠性影响分析
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胡涛勇 , 韩一峰, 石守津, 周以达
作者信息
  • 中国电建集团华东勘测设计研究院有限公司,浙江 杭州 310014
  • 胡涛勇(1977-),男,高级工程师,研究方向为工程设计及项目管理,E-mail:

Influence of Parameter Distribution Type on Reliability of Hydraulic Steel Gate
Tao-yong HU , Yi-feng HAN, Shou-jin SHI, Yi-da ZHOU
Affiliations
  • PowerChina Huadong Engineering Co Ltd, Hangzhou 310014, China
出版时间: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20222399
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基于水工钢闸门在正常使用极限状态下相对变形破坏和承载能力极限状态下抗弯剪复合强度破坏两种破坏模式,分别建立了相应的失效概率分析模型,通过蒙特卡罗模拟,探讨了不同参数分布类型对平板钢闸门中露顶门和潜孔门两种破坏模式失效概率的影响。结果表明,在同一失效模式下,当变量自身变异性保持不变时,其不同分布类型得出的失效概率比较接近,相较于露顶门,潜孔门失效概率更大,更容易失稳;但参数分布类型对潜孔门失效概率影响较小,对露顶门影响较大;各参数变量服从对数正态分布时,不论露顶门还是潜孔门均会出现相对于正态分布更大的失效概率,若仅考虑变量的正态分布类型则容易引起对水工钢闸门可靠性过高的估计。

水工钢闸门  /  可靠性  /  蒙特卡罗模拟  /  参数分布类型  /  失效概率

Aiming at the two failure modes of hydraulic steel gates, the relative deformation failure under the normal service state and the bending shear composite strength failure under the limit state of bearing capacity, the corresponding failure probability analysis models were established respectively. The influence of different parameter distribution types on the failure probability of two failure modes of outcrop steel gates and deep-hole steel gates in hydraulic steel gates was explored through Monte Carlo simulations. The results show that under the same failure mode, when the coefficient of variation of the variable itself remains unchanged, the failure probabilities obtained by different distribution types are relatively close. Compared with the outcrop gate, the deep-hole gate has a higher failure probability and is more prone to instability. But the type of parameter distribution has little influence on the failure probability of deep-hole gate and has great influence on the outcrop gate. When the random variables of each parameter follow the logarithmic normal distribution, it will have a relatively maximum failure probability. It is easy to overestimate the reliability of hydraulic steel gates by considering only the normal distribution.

hydraulic steel gates  /  reliability  /  Monto-Carlo simulation  /  parameter distribution types  /  failure probability
胡涛勇, 韩一峰, 石守津, 周以达. 参数分布类型对水工钢闸门可靠性影响分析. 水电能源科学, 2023 , 41 (10) : 216 -219 . DOI: 10.20040/j.cnki.1000-7709.2023.20222399
Tao-yong HU, Yi-feng HAN, Shou-jin SHI, Yi-da ZHOU. Influence of Parameter Distribution Type on Reliability of Hydraulic Steel Gate[J]. Water Resources and Power, 2023 , 41 (10) : 216 -219 . DOI: 10.20040/j.cnki.1000-7709.2023.20222399
2023年第41卷第10期
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doi: 10.20040/j.cnki.1000-7709.2023.20222399
  • 接收时间:2022-11-14
  • 首发时间:2026-01-28
  • 出版时间:2023-10-25
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  • 收稿日期:2022-11-14
  • 修回日期:2022-12-19
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    中国电建集团华东勘测设计研究院有限公司,浙江 杭州 310014
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2种不同金属材料的力学参数

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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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