Experimental research on creep behavior of self-compacting high performance concrete beams

被引：0
|
作者：
Liu, XJ
Yu, ZW
Luo, XY
机构：
来源：
ICACS 2003: INTERNATIONAL CONFERENCE ON ADVANCES IN CONCRETE AND STRUCTURES, VOL 1 AND 2 | 2003年 / 32卷
关键词：
self-compacting high performance concrete; creep deflection; creep coefficient of deflection;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Results of experimental investigation of creep behavior of high performance concrete beams are summarized. A total of 14 beams were tested: 10 self-compacting high performance concrete (SCHPC) beams and 4 vibrated high performance concrete beams. On the basis of experimental results of this study, the effect of mode of consolidation, degree of concretion and prestress at loading age and concrete mix on creep behavior is discussed. Also, an empirical equation to estimate creep coefficient of deflection with time is proposed. It can be seen from the study that use of SCHPC incorporating ultra fly ash designed based on optimization of concrete mix can simplify production, lower the noise level on the construction site, improve both the conditions for the labor on the work site and for the surroundings.
引用
收藏
页码：1051 / 1058
页数：8
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