AN STUDY ON APPLICATION OF HIGH EARLY STRENGTH ADMIXTURES IN RAILWAY PRESTRESSED CONCRETE

Wu Zhigang; Duan Fengtao; Hou Xueli; Hao Tingyu; Tu Yubo; Li Wenzhong

doi:10.13204/j.gyjz201011005

Volume 40 Issue 11

May 2015

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(11): 15-17

Zhang Jiayuan, Wu Yun, He Peng. RESEARCH ON FATIGUE LIFE OF CFST TUBULAR JOINTS BASED ON BILINEAR MODEL[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 122-125. doi: 10.13204/j.gyjz201011029

Citation:

Wu Zhigang, Duan Fengtao, Hou Xueli, Hao Tingyu, Tu Yubo, Li Wenzhong. AN STUDY ON APPLICATION OF HIGH EARLY STRENGTH ADMIXTURES IN RAILWAY PRESTRESSED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 15-17. doi: 10.13204/j.gyjz201011005

Zhang Jiayuan, Wu Yun, He Peng. RESEARCH ON FATIGUE LIFE OF CFST TUBULAR JOINTS BASED ON BILINEAR MODEL[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 122-125. doi: 10.13204/j.gyjz201011029

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AN STUDY ON APPLICATION OF HIGH EARLY STRENGTH ADMIXTURES IN RAILWAY PRESTRESSED CONCRETE

doi: 10.13204/j.gyjz201011005

1.
1. Central Research Institute of Building and Construction Co.Ltd,MCC Group,Beijing 100088,China;
2.
2. The Third Engineering Group Co.Ltd of China Railway,Taiyuan 030024,China

Received Date: 2010-07-15
Publish Date: 2010-11-20

Abstract

Abstract

It is studied the influence of fly ash,granulated blast furnace slag and high early admixtures on compressive strength of concrete.The results of experiments show that high early admixtures can promote the early strength and the elastic modulus to satisfy the design standard.But the creep of concrete will be doubled when loading at early age,Based on the conclusion of this paper,it is suggested that the tension of reinforcement should be pressesed later,so as to guarantee the quality of the prestressed members.
- high early admixtures,
- railway box girders,
- creep,
- elastic modulus

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References(5)

References

[2] 黄国兴,惠荣炎.混凝土的收缩[M].北京:中国建筑工业出版社,1982.

周履,陈永春.收缩徐变[M].北京:中国铁道出版社,1994.

[3] 惠荣炎.混凝土的徐变[M].北京:中国铁道出版社,1988.

[4] 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).

[5] ACI 209R-92: Prediction of Creep,Shrinkage,and Temperature Effects in Concrete Structures (Reapproved 2008)[S].

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