Article(id=1223204296615907811, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223204286050452333, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221434, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1657641600000, receivedDateStr=2022-07-13, revisedDate=1662825600000, revisedDateStr=2022-09-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1769564230350, onlineDateStr=2026-01-28, pubDate=1684944000000, pubDateStr=2023-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769564230350, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769564230350, creator=13701087609, updateTime=1769564230350, updator=13701087609, issue=Issue{id=1223204286050452333, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='5', 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=1769564227831, creator=13701087609, updateTime=1769567742010, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223219026013323264, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223204286050452333, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223219026013323265, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223204286050452333, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=126, endPage=129, ext={EN=ArticleExt(id=1223204298541093382, articleId=1223204296615907811, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Mesoscopic Damage Constitutive Model of Hydraulic Concrete Under Sulfate Corrosion, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

The mechanical properties of hydraulic concrete are an important influencing factor on the stability of hydraulic engineering facilities. A fine damage intrinsic structure model considering the effect of sulfate corrosion was established using a combination of mechanical experiments and theoretical analysis. The results show that the effect of sulfate corrosion increases the damage degree of concrete after damage. With the increase of corrosion time, the compressive strength and elastic modulus show an exponential decay law, and the damage strain tends to increase. From the experimental results, the shape parameter m and scale parameter ε0 are calculated. Besides, the mesoscopic damage constitutive model considering the effect of sulfate corrosion is solved. The reasonableness of the theoretical model for predicting the stress-strain relationship was verified by experimental data. The constitutive model proposed in this study can provide scientific reference for the accurate prediction of mechanical behavior of hydraulic concrete.

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水工混凝土的力学性能是影响水利工程设施稳定性的重要影响因素。采用力学试验与理论分析相结合的方法建立考虑硫酸盐腐蚀效应的细观损伤本构模型。结果表明,硫酸盐腐蚀提高了混凝土破坏后的损伤程度;随着腐蚀时间增加,抗压强度和弹性模量呈指数型衰减规律,破坏应变呈增大趋势;由试验结果求解了形状参数m和尺度参数ε0,进而求解了考虑硫酸盐腐蚀影响的细观损伤本构模型;通过实测试验数据验证了采用理论模型预测应力—应变关系的合理性。提出的本构模型可为水工混凝土力学行为的预测提供参考。

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张娜(1989-),女,硕士、讲师,研究方向为非概率可靠度、新型建筑材料,E-mail:

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张娜(1989-),女,硕士、讲师,研究方向为非概率可靠度、新型建筑材料,E-mail:

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张娜(1989-),女,硕士、讲师,研究方向为非概率可靠度、新型建筑材料,E-mail:

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硫酸盐腐蚀作用下水工混凝土的细观损伤本构模型
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张娜 1 , 李慧 2 , 何凯 3
水电能源科学 | 水利水电工程 2023,41(5): 126-129
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水电能源科学 | 水利水电工程 2023, 41(5): 126-129
硫酸盐腐蚀作用下水工混凝土的细观损伤本构模型
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张娜1 , 李慧2, 何凯3
作者信息
  • 1.柳州工学院土木建筑工程学院,广西 柳州 545616
  • 2.长安大学建筑工程学院,陕西 西安 710061
  • 3.重庆大学土木工程学院,重庆 400045
  • 张娜(1989-),女,硕士、讲师,研究方向为非概率可靠度、新型建筑材料,E-mail:

Mesoscopic Damage Constitutive Model of Hydraulic Concrete Under Sulfate Corrosion
Na ZHANG1 , Hui LI2, Kai HE3
Affiliations
  • 1.School of Civil Engineering, Liuzhou Institute of Technology, Liuzhou 545616, China
  • 2.School of Civil Engineering, Chang’an University, Xi’an 710061, China
  • 3.School of Civil Engineering, Chongqing University, Chongqing 400045, China
出版时间: 2023-05-25 doi: 10.20040/j.cnki.1000-7709.2023.20221434
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水工混凝土的力学性能是影响水利工程设施稳定性的重要影响因素。采用力学试验与理论分析相结合的方法建立考虑硫酸盐腐蚀效应的细观损伤本构模型。结果表明,硫酸盐腐蚀提高了混凝土破坏后的损伤程度;随着腐蚀时间增加,抗压强度和弹性模量呈指数型衰减规律,破坏应变呈增大趋势;由试验结果求解了形状参数m和尺度参数ε0,进而求解了考虑硫酸盐腐蚀影响的细观损伤本构模型;通过实测试验数据验证了采用理论模型预测应力—应变关系的合理性。提出的本构模型可为水工混凝土力学行为的预测提供参考。

水工混凝土  /  硫酸盐腐蚀  /  力学行为  /  细观损伤  /  本构模型

The mechanical properties of hydraulic concrete are an important influencing factor on the stability of hydraulic engineering facilities. A fine damage intrinsic structure model considering the effect of sulfate corrosion was established using a combination of mechanical experiments and theoretical analysis. The results show that the effect of sulfate corrosion increases the damage degree of concrete after damage. With the increase of corrosion time, the compressive strength and elastic modulus show an exponential decay law, and the damage strain tends to increase. From the experimental results, the shape parameter m and scale parameter ε0 are calculated. Besides, the mesoscopic damage constitutive model considering the effect of sulfate corrosion is solved. The reasonableness of the theoretical model for predicting the stress-strain relationship was verified by experimental data. The constitutive model proposed in this study can provide scientific reference for the accurate prediction of mechanical behavior of hydraulic concrete.

hydraulic concrete  /  sulfate corrosion  /  mechanical behavior  /  meso damage  /  constitutive model
张娜, 李慧, 何凯. 硫酸盐腐蚀作用下水工混凝土的细观损伤本构模型. 水电能源科学, 2023 , 41 (5) : 126 -129 . DOI: 10.20040/j.cnki.1000-7709.2023.20221434
Na ZHANG, Hui LI, Kai HE. Mesoscopic Damage Constitutive Model of Hydraulic Concrete Under Sulfate Corrosion[J]. Water Resources and Power, 2023 , 41 (5) : 126 -129 . DOI: 10.20040/j.cnki.1000-7709.2023.20221434
  • 国家自然科学基金项目(52078079)
  • 广西高校中青年教师科研基础能力提升项目(2020KY60017)
2023年第41卷第5期
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doi: 10.20040/j.cnki.1000-7709.2023.20221434
  • 接收时间:2022-07-13
  • 首发时间:2026-01-28
  • 出版时间:2023-05-25
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  • 收稿日期:2022-07-13
  • 修回日期:2022-09-11
基金
国家自然科学基金项目(52078079)
广西高校中青年教师科研基础能力提升项目(2020KY60017)
作者信息
    1.柳州工学院土木建筑工程学院,广西 柳州 545616
    2.长安大学建筑工程学院,陕西 西安 710061
    3.重庆大学土木工程学院,重庆 400045
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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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