STUDY ON THERMAL STRESS CONTROL OF RISE PILE CAP MASS-CONCRETE

Zou Jianwen; Xu Wei

doi:10.13204/j.gyjz201109019

Volume 41 Issue 9

Dec. 2014

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Zou Jianwen, Xu Wei. STUDY ON THERMAL STRESS CONTROL OF RISE PILE CAP MASS-CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 85-89. doi: 10.13204/j.gyjz201109019

Citation:

Zou Jianwen, Xu Wei. STUDY ON THERMAL STRESS CONTROL OF RISE PILE CAP MASS-CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 85-89. doi: 10.13204/j.gyjz201109019

Zou Jianwen, Xu Wei. STUDY ON THERMAL STRESS CONTROL OF RISE PILE CAP MASS-CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 85-89. doi: 10.13204/j.gyjz201109019

Citation:

Zou Jianwen, Xu Wei. STUDY ON THERMAL STRESS CONTROL OF RISE PILE CAP MASS-CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 85-89. doi: 10.13204/j.gyjz201109019

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STUDY ON THERMAL STRESS CONTROL OF RISE PILE CAP MASS-CONCRETE

doi: 10.13204/j.gyjz201109019

Zou Jianwen^1,2,
Xu Wei¹

1.
1. Department of Building Engineering,Tongji University,Shanghai 200092,China;
2.
2. Shanghai Baitong Project Management Co.Ltd,Shanghai 200127,China

Received Date: 2009-12-15
Publish Date: 2011-09-20

Abstract

Abstract

As constructing large bridge rise pile cap concrete integral erection in deep water, the stress caused from different temperature in the stage of concrete curing is harmful to its durability. The analysis of material ingredient influence on heat of hydration and thermal stress was done. Taking the main pile cap whose blocking partition dimension was about 51. 35m48.1m for example, the calculated parameters were determined. And a simulation analysis of thermal stress variation during the concrete hardening was introduced. The comparison between calculated results and the monitoring value was made. It was that the first 5 d were the period for surface crack to produce easily during which controlling measures could act well. Rational concrete design was available means of controlling mass concrete thermal crack by retarding and reducing heat of hydration.
- rise pile cap,
- mass-concrete,
- thermal stress,
- control,
- analysis

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References(10)

References

刘秉京.混凝土结构耐久性设计[M].北京: 人民交通出版社,2007: 276-293.

[2] 朱伯芳.大体积混凝土温度应力与温度控制[M].北京: 中国电力出版社,1999.

[3] 王爱勤,张承志.大体积混凝土配合比设计中一些问题的思考[J].水力发电,2003(4):36-40.

[4] 王甲春,阎培渝.粉煤灰混凝土绝热温升的试验研究[J].沈阳建筑大学学报: 自然科学版,2006(1):118-121.

[5] 陈萍,李兴贵,王有平,等.高性能混凝土绝热温升影响因素的试验研究[J].浙江理工大学学报,2007(7):461-465.

[6] 李东.大体积混凝土施工配合比中粉煤灰最优掺量[J].西安建筑科技大学学报,1998(9):284-286.

[7] 刘家彬,郭正兴,韦世国,等.润扬长江大桥南锚碇超大体积混凝土温控技术[J].建筑技术,2003(1):41-43.

[8] Xu Ying,Zou Jianwen,Xu Wei.Construction Risk Analysis of Suspension Box-Cofferdam in Concrete Casting Stage[C]∥2009 International Conference on Engineering Management and Service Sciences (MASS 2009) .IEEE,2009.

[9] 吴胜兴,周氐.大体积混凝土温度应力松弛系数的优化确定

[J].河海大学学报,1993(3):47-53.

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