The study and treatment of crack about prestressed concrete hollow slab

Journal of Chongqing Jiaotong University(Natural Science) ›› 2003, Vol. 22 ›› Issue (3): 23-24.

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The study and treatment of crack about prestressed concrete hollow slab

ZHENG Sheng-bao，ZHOU Zhi-xiang

Department of Bridge & Structural Engineering , Chongqing Jiaotong University, Chongqing 400074, China

Received:2002-09-24 Revised:2002-11-18 Online:2003-09-15 Published:2015-05-18

预应力砼空心板端部开裂研究及处理

郑升宝，周志祥

重庆交通学院桥梁及结构工程系，重庆 400074

作者简介:郑升宝(1976—),男,山东潍坊人,硕士生,主要从事预应力结构方面研究.

Abstract

Abstract: The article analyzes the reason of occuring cracks after the tension of prestressed concrete hollow slab, its treatment, and presents two new models of calculating cracks.

Key words: end, crack, strain, stress

摘要： 作者介绍了预应力砼空心板张拉后,在两端部底面出现长度不等的细微裂缝的原因及分析,提出了两种理论计算模型并进行了比较.

关键词: 端部, 裂缝, 应力, 应变

CLC Number:

ZHENG Sheng-bao，ZHOU Zhi-xiang. The study and treatment of crack about prestressed concrete hollow slab[J]. Journal of Chongqing Jiaotong University(Natural Science), 2003, 22(3): 23-24.

郑升宝，周志祥. 预应力砼空心板端部开裂研究及处理[J]. 重庆交通大学学报（自然科学版）, 2003, 22(3): 23-24.

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The study and treatment of crack about prestressed concrete hollow slab

预应力砼空心板端部开裂研究及处理

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