静载试验和低应变法对PHC管桩性能的检测
Performance Test of PHC Pipe Piles by Static Load Test and Low Strain Method
靳涛 1钱自成 1张紫光1
作者信息
- 1. 中国建筑第五工程局有限公司,湖南 长沙 410000
- 折叠
摘要
采用静载试验和低应变反射波法对PHC管桩的性能进行检测,通过抽检小比例PHC管桩进行静载试验对承载力进行检测,利用低应变反射波法对桩身完整性进行检测.结果表明:利用静载试验得出位移-荷载曲线的最大沉降量为 14.78 mm,位移-对数时间曲线均较为平直发展;利用低应变反射波法检测PHC管桩桩身的完整性,其符合设计要求,可满足工程安全性要求.
Abstract
The static load test and low strain reflection wave method were used to test the performance of PHC pipe pile,the static load test was used to test the bearing capacity of small proportion of PHC pipe pile,and the low strain reflection wave method was used to test the integrity of the pile.The results show that the maximum settlement of the displacement-load curve is 14.78 mm,and the displacement-log time curve is relatively straight.The integrity of PHC pipe pile body detected by low strain reflection wave method can meet the design requirements and the engineering safety requirements.
关键词
桩基检测/PHC管桩/静载试验/Q-s曲线/低应变反射波法Key words
pile foundation detection/PHC pipe piles/static load test/Q-s curve/low strain reflection wave method引用本文复制引用
出版年
2024
NETL
NSTL
万方数据