基于超声波测试的冻融循环作用下混凝土强度损伤演变研究

头部文案

发布时间：2020-01-06 00:00:00

全国建材科技期刊
全国中文核心期刊
中国科技论文统计源期刊
万方数据-数字化期刊群入网期刊
中国学术期刊（光盘版）全文收录期刊

华东地区优秀科技期刊
江苏省期刊方阵“双效期刊”
中国期刊网全文收录期刊
中国科技期刊数据库全文收录期刊



基于超声波测试的冻融循环作用下混凝土强度损伤演变研究

Study on Damage Evolution of Concrete Strength Under Freeze-thaw Cycles Action Based on Ultrasonic Tests

2021年第5期

超声波波速；冻融循环；混凝土；强度损伤；动弹性力学参数

Ultrasonic wave velocity; Freeze-thaw cycle; Concrete; Strength damage; Dynamic elastic mechanical parameter

2021年第5期

10.19761/j.1000-4637.2021.05.021.05

第二次青藏高原综合科学考察研究项目（2019QZKK0905）。

黄奕霖1，严武建2，牛富俊1

1. 华南理工大学土木与交通学院，广东广州 510000；2.中国地震局黄土地震工程重点实验室，甘肃兰州 730000

黄奕霖1，严武建2，牛富俊1

黄奕霖,严武建,牛富俊.基于超声波测试的冻融循环作用下混凝土强度损伤演变研究[J].混凝土与水泥制品,2021(5):21-25.

HUANG Y L,YAN W J,NIU F J.Study on Damage Evolution of Concrete Strength Under Freeze-thaw Cycles Action Based on Ultrasonic Tests[J].CHINA CONCRETE AND CEMENT PRODUCTES,2021(5):21-25.

浏览量:

1000

摘要：针对高寒地区混凝土抗冻耐久性问题，在混凝土中加入不同掺量的粉煤灰研究其抗冻性能，通过非金属声波检测仪进行冻融循环过程中混凝土强度无损测试，研究了冻融循环作用下混凝土强度损伤和动弹性力学参数的演化特征，分析了冻融循环过程中混凝土声波波速与力学性能变化规律。研究结果表明：掺入引气剂能够提高混凝土的抗冻性，相同引气剂掺量下，粉煤灰掺量为10%的混凝土抗冻性较好；冻融循环过程中，超声波纵波波速、横波波速与动弹性模量、动剪切模量均随着冻融循环次数的增加呈相似性衰减，且存在较高相关性。 Abstract: In view of the problem of frost resistance durability of concrete in alpine area, the frost resistance of concrete was studied by adding fly ash with different content. By using non-metallic acoustic wave detector to test the strength of concrete during freeze-thaw process, the characteristics of strength damage and dynamic elastic mechanical parameters evolution of concrete under freeze-thaw cycle were studied. The change law of concrete acoustic wave speed and mechanical properties during the freeze-thaw cycle were analyzed. The results show that the frost resistance of concrete can be improved by adding air entraining agent, and the frost resistance of concrete with 10% fly ash content is better than that of 20% fly ash content under the same air entraining agent. The ultrasonic longitudinal wave velocity and shear wave velocity, dynamic elastic modulus and dynamic shear modulus attenuate similarly with the increase of freeze-thaw cycle times during freeze-thaw process, and there is a correlation between them.

英文名 : Study on Damage Evolution of Concrete Strength Under Freeze-thaw Cycles Action Based on Ultrasonic Tests

刊期 : 2021年第5期

关键词 : 超声波波速；冻融循环；混凝土；强度损伤；动弹性力学参数

Key words : Ultrasonic wave velocity; Freeze-thaw cycle; Concrete; Strength damage; Dynamic elastic mechanical parameter

刊期 : 2021年第5期

DOI : 10.19761/j.1000-4637.2021.05.021.05

文章编号 :

基金项目 : 第二次青藏高原综合科学考察研究项目（2019QZKK0905）。

作者 : 黄奕霖1，严武建2，牛富俊1

单位 : 1. 华南理工大学土木与交通学院，广东广州 510000；2.中国地震局黄土地震工程重点实验室，甘肃兰州 730000

黄奕霖1，严武建2，牛富俊1

黄奕霖,严武建,牛富俊.基于超声波测试的冻融循环作用下混凝土强度损伤演变研究[J].混凝土与水泥制品,2021(5):21-25.

HUANG Y L,YAN W J,NIU F J.Study on Damage Evolution of Concrete Strength Under Freeze-thaw Cycles Action Based on Ultrasonic Tests[J].CHINA CONCRETE AND CEMENT PRODUCTES,2021(5):21-25.





摘要

参数

结论

参考文献

引用本文

Abstract: In view of the problem of frost resistance durability of concrete in alpine area, the frost resistance of concrete was studied by adding fly ash with different content. By using non-metallic acoustic wave detector to test the strength of concrete during freeze-thaw process, the characteristics of strength damage and dynamic elastic mechanical parameters evolution of concrete under freeze-thaw cycle were studied. The change law of concrete acoustic wave speed and mechanical properties during the freeze-thaw cycle were analyzed. The results show that the frost resistance of concrete can be improved by adding air entraining agent, and the frost resistance of concrete with 10% fly ash content is better than that of 20% fly ash content under the same air entraining agent. The ultrasonic longitudinal wave velocity and shear wave velocity, dynamic elastic modulus and dynamic shear modulus attenuate similarly with the increase of freeze-thaw cycle times during freeze-thaw process, and there is a correlation between them.

扫二维码用手机看

[1] ANGST U,ELSENER B,LARSEN C K,et al.Critical Chloride Content in Reinforced Concrete-A Review[J].Cement and Concrete Research,2009,39(12):1122-1138.
[2] CLELAND K.Assessment of the Durability of Concrete From Its Permeation Properties: A Review[J].Construction and Building Materials,2001,15(2):93-103.
[3] SHI X,NING X,FORTUNE K,et al.Durability of Steel Reinforced Concrete in Chloride Environments: An Overview[J].Construction and Building Materials,2012,30:125-138.
[4] STEWART M G,ROSOWSKY D V.Time-Dependent Reliability of Deteriorating Reinforced Concrete Bridge Decks[J].STRUCTURAL SAFETY,1998,20(1):91-110.
[5] PIGEON M,PLEAU R.Durability of Concrete in Cold Climates[M].London:E and FN Spon,1992:12-23.
[6] MEHTA P K,MONTEIRO P.Concrete Structure, Properties and Materials[M].America:Prentice Hall,1993.
[7] KAMINETZKY D.Design and Construction Failures[M].New York:McGraw-Hill,1991.
[8] MEHTA P K,MONTEIRO P.Concrete Structure, Properties and Materials[M].America:Prentice Hall,1993.
[9] MINDESS S,YOUNG J F,Darwin D.Concrete[M].America:Prentice Hall,2003.
[10] XU Z,HOOTON R D.Migration of alkali ions in mortar due to several mechanisms[J].Cement and Concrete Research,1993,23(4):951-961.
[11] THOMAS M,ROGERS C A.Prevention of Damage Due to Alkali-Aggregate Reaction(AAR) in Concrete Construction-Canadian Approach[J].Cement Concrete and Aggregates,1997,19(1):26-30.
[12] ROY S K,CHYE L K,NORTHWOOD D O.Chloride Ingress in Concrete as Measured by Field Exposure Tests in the Atmospheric, Tidal and Submerged Zones of a Tropical Marine Environment[J].Cement and Concrete Research,1993,23(6):1289-1306.
[13] CHATTERJI S.On the Applicability of Fick’s Second Law to Chloride Ion Migration Through Portland Cement Concrete[J].Cement and Concrete Research,1995,25(2):299-303.
[14] 潘钢华,秦鸿根,孙伟,等.粉煤灰混凝土冻融破坏机理研究[J].建筑材料学报,2002(1):37-41.
[15] 许辉,谢友军,龙广成,等.引气粉煤灰混凝土抗冻融耐久性的研究粉煤灰[J].粉煤灰,2004(6):3-5.
[16] 程云虹,闫俊,刘斌,等.粉煤灰混凝土抗冻性能试验研究[J].低温建筑技术,2008(1):1-3.
[17] JHANG K Y.Nonlinear Ultrasonic Techniques for Nondestructive Assessment of Micro Damage in Material: A Review[J].International Journal of Precision Engineering and Manufacturing,2009,10(1):123-135.
[18] BREYSSE D.Nondestructive Evaluation of Concrete Strength: An Historical Review and a New Perspective by Combining NDT Methods[J].Construction and Building Materials,2012,33:139-163.
[19] JONES R,FACAOARU I.Recommendations for Testing Concrete by The Ultrasonic Pulse Method[J].Matériaux et Constructions,1969(2):275-284.
[20] LUO Q,BUNGEY J H.Using Compression Wave Ultrasonic Transducers to Measure the Velocity of Surface Waves and Hence Determine Dynamic Modulus of Elasticity for Concrete[J].Construction and Building Materials,1996,10(4):237-242.
[21] WEN S Y,LI X B.Experimental Study on Young’s Modulus of Concrete[J].Journal of Central South University of Technology, 2000,7(1):43-45.
[22] TRTNIK G,KAVCIC F,TURK G.Prediction of Concrete Strength Using Ultrasonic Pulse Velocity and Artificial Neural Networks[J].Ultrasonics,2009,49(1):53-60.
[23] 黄星,李东庆,明锋,等.冻结粉质黏土声学特性与物理力学性质试验研究[J].岩石力学与工程学报,2015,34(7):1489-1496.

上一个

再生混凝土受压应力-应变本构关系研究

下一个

Ⅲ级粉煤灰和石粉双掺对C50泵送混凝土可泵性的影响

头部文案

基于超声波测试的冻融循环作用下混凝土强度损伤演变研究

相关文件