Article(id=1222925291115241836, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222925278838513745, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220936, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1649174400000, receivedDateStr=2022-04-06, revisedDate=1653235200000, revisedDateStr=2022-05-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1769497710255, onlineDateStr=2026-01-27, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769497710255, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769497710255, creator=13701087609, updateTime=1769497710255, 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=154, endPage=158, ext={EN=ArticleExt(id=1222925291832467856, articleId=1222925291115241836, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Bayesian Stochastic Model for Carbonation Depth of In-service Concrete Structures, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Due to the randomness of concrete carbonation process, the results obtained by the existing carbonation depth prediction models are difficult to characterize the actual carbonation status of in-service concrete structures. Therefore, combining the existing stochastic carbonization model with the actual measurement information of the carbonization depth of in-service concrete structures, a calculation method of a priori distribution hyper-parameters was given when the mean and variance of carbonized population samples were unknown. A Bayesian random model for the carbonation depth of in-service concrete structures was established. Taking the measured concrete carbonation depth of spillway pier and other structures of Yanshan Reservoir as an engineering example, the results show that the Bayesian random model can better represent the actual carbonation condition of in-service concrete structure.

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由于混凝土碳化过程的随机性,现有的碳化深度预测模型难以表征在役混凝土结构的实际碳化状况。为此,将已有碳化随机模型与现役混凝土结构碳化深度的实测信息相结合,提出一种碳化总体样本均值与方差均未知情况下的先验分布超参数的计算方法;并利用贝叶斯理论对碳化速度系数进行更新,研究了针对在役混凝土结构碳化深度的贝叶斯随机模型。以燕山水库溢洪道闸墩等结构的实测混凝土碳化深度为例进行分析,结果表明碳化深度的贝叶斯随机模型能更好地表征在役混凝土结构的实际碳化状况。

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曹宏亮(1972-),男,硕士、教授级高级工程师,研究方向为水工结构材料,E-mail:
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王建有(1977-),男,博士、副教授,研究方向为水工建筑物的安全性检测与评价,E-mail:

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王建有(1977-),男,博士、副教授,研究方向为水工建筑物的安全性检测与评价,E-mail:

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王建有(1977-),男,博士、副教授,研究方向为水工建筑物的安全性检测与评价,E-mail:

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在役混凝土结构碳化深度的贝叶斯随机模型
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王建有 1 , 王浚宇 1, 2 , 王大辉 2 , 袁群 2 , 曹宏亮 2
水电能源科学 | 水利水电工程 2023,41(2): 154-158
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水电能源科学 | 水利水电工程 2023, 41(2): 154-158
在役混凝土结构碳化深度的贝叶斯随机模型
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王建有1 , 王浚宇1, 2, 王大辉2, 袁群2, 曹宏亮2
作者信息
  • 1.郑州大学水利科学与工程学院,河南 郑州 450001
  • 2.河南省水利科学研究院,河南 郑州 450003
  • 王建有(1977-),男,博士、副教授,研究方向为水工建筑物的安全性检测与评价,E-mail:

通讯作者:

曹宏亮(1972-),男,硕士、教授级高级工程师,研究方向为水工结构材料,E-mail:
Bayesian Stochastic Model for Carbonation Depth of In-service Concrete Structures
Jian-you WANG1 , Jun-yu WANG1, 2, Da-hui WANG2, Qun YUAN2, Hong-liang CAO2
Affiliations
  • 1.School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China
  • 2.Henan Provincial Water Conservancy Research Institute, Zhengzhou 450003, China
出版时间: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220936
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由于混凝土碳化过程的随机性,现有的碳化深度预测模型难以表征在役混凝土结构的实际碳化状况。为此,将已有碳化随机模型与现役混凝土结构碳化深度的实测信息相结合,提出一种碳化总体样本均值与方差均未知情况下的先验分布超参数的计算方法;并利用贝叶斯理论对碳化速度系数进行更新,研究了针对在役混凝土结构碳化深度的贝叶斯随机模型。以燕山水库溢洪道闸墩等结构的实测混凝土碳化深度为例进行分析,结果表明碳化深度的贝叶斯随机模型能更好地表征在役混凝土结构的实际碳化状况。

碳化深度  /  贝叶斯  /  随机性  /  超参数

Due to the randomness of concrete carbonation process, the results obtained by the existing carbonation depth prediction models are difficult to characterize the actual carbonation status of in-service concrete structures. Therefore, combining the existing stochastic carbonization model with the actual measurement information of the carbonization depth of in-service concrete structures, a calculation method of a priori distribution hyper-parameters was given when the mean and variance of carbonized population samples were unknown. A Bayesian random model for the carbonation depth of in-service concrete structures was established. Taking the measured concrete carbonation depth of spillway pier and other structures of Yanshan Reservoir as an engineering example, the results show that the Bayesian random model can better represent the actual carbonation condition of in-service concrete structure.

carbonation depth  /  Bayesian  /  randomness  /  hyper-parameter
王建有, 王浚宇, 王大辉, 袁群, 曹宏亮. 在役混凝土结构碳化深度的贝叶斯随机模型. 水电能源科学, 2023 , 41 (2) : 154 -158 . DOI: 10.20040/j.cnki.1000-7709.2023.20220936
Jian-you WANG, Jun-yu WANG, Da-hui WANG, Qun YUAN, Hong-liang CAO. Bayesian Stochastic Model for Carbonation Depth of In-service Concrete Structures[J]. Water Resources and Power, 2023 , 41 (2) : 154 -158 . DOI: 10.20040/j.cnki.1000-7709.2023.20220936
  • 河南省2021年水利科技攻关项目(NO.72)
2023年第41卷第2期
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doi: 10.20040/j.cnki.1000-7709.2023.20220936
  • 接收时间:2022-04-06
  • 首发时间:2026-01-27
  • 出版时间:2023-02-25
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  • 收稿日期:2022-04-06
  • 修回日期:2022-05-23
基金
河南省2021年水利科技攻关项目(NO.72)
作者信息
    1.郑州大学水利科学与工程学院,河南 郑州 450001
    2.河南省水利科学研究院,河南 郑州 450003

通讯作者:

曹宏亮(1972-),男,硕士、教授级高级工程师,研究方向为水工结构材料,E-mail:
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
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Percentage of total
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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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