FIELD MEASUREMENT AND ANALYSIS OF PRESTRESSED CONCRETE FOR SHRINKAGE AND CREEP EFFECTS

Xiong Xueyu; Huang Weiyi; Zhang Yadong; Wang Guomin

doi:10.13204/j.gyjz201204014

Volume 42 Issue 4

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2012 > 42(4): 65-68

Xiong Xueyu, Huang Weiyi, Zhang Yadong, Wang Guomin. FIELD MEASUREMENT AND ANALYSIS OF PRESTRESSED CONCRETE FOR SHRINKAGE AND CREEP EFFECTS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(4): 65-68. doi: 10.13204/j.gyjz201204014

Citation:

Xiong Xueyu, Huang Weiyi, Zhang Yadong, Wang Guomin. FIELD MEASUREMENT AND ANALYSIS OF PRESTRESSED CONCRETE FOR SHRINKAGE AND CREEP EFFECTS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(4): 65-68. doi: 10.13204/j.gyjz201204014

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FIELD MEASUREMENT AND ANALYSIS OF PRESTRESSED CONCRETE FOR SHRINKAGE AND CREEP EFFECTS

doi: 10.13204/j.gyjz201204014

1.
1. Department of Building Engineering,Tongji University,Shanghai 200092,China;
2.
2. Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education,Tongji University,Shanghai 200092,China;
3.
3. Guangxi Hualan Design &Consulting Group,Nanning 530011,China;
4.
4. China Architecture Design &Research Group,Beijing 100044,China;
5.
5. Shanghai Railway Bureau Suzhou Station Improvement Project Construction Headquarter,Suzhou 215031,China

Received Date: 2011-07-29
Publish Date: 2012-04-20

Abstract

Abstract

In this paper,the true response of a prestressed conrete beam for shrinkage and creep effects have been tested. The results of data analysis illustrate that the strain of concrete consistent with the previous data of shrinkage and creep. As compared to the total strain of 201 d,the proportion of concrete strain in 100 d was close to 75%. As compared to the predicting models of JTG D622004 code,ACI 209R-1992 and China Academy of Building Research(1986), the early test results approximated to the model of ACI 209R-1992,whose changes in late period approximated to the model of JTG D622004 code. Revised test results coincided to those of the predicting models.
- prestressed concrete,
- shrinkage and creep,
- predicting model

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References(7)

References

惠荣炎，黄国兴，易冰若. 混凝土的徐变[M]. 北京:中国铁道出版社，1988.

[2] ACI Committee 209. Prediction of Creep，Shrinkage and Temperature Effects in Concrete Structures. Part1. Manual of Concrete Practice[S]. 1992.

[3] 龚洛书，惠满印，杨蓓. 混凝土收缩与徐变的实用数学表达式[J]. 建筑结构学报，1988(5):37-42.

[4] 汪剑，方志. 大跨预应力混凝土箱梁桥收缩徐变效应测试与分析[J]. 土木工程学报，2008(1):70-81.

[5] 周履，陈永春. 收缩徐变[M]. 北京:中国铁道出版社，1994.

[6] JGJ 1382001 型钢混凝土组合结构技术规程[S].

[7] 管延武，赵冠刚，龚爱军. 混凝土收缩徐变机理综述[J]. 山西建筑，2009(4):166-167.

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