摘要
在地基承载力无法满足上部结构荷载设计要求时,桩基是结构设计中经常采用的处理方式。由于桩基为隐蔽工程,可以直接检测其成桩质量的静载试验时间长、费用高,只能进行小比例抽检。在实践中常选用低应变检测、钻芯检测等进行间接检测桩基质量的试验方式。低应变声波检测法在桩身完整性检测中比较成熟,但在桩长检测中尚未得到广泛应用。现以某工程为例,分析声波检测法测量桩长的实施过程,并与桩基施工记录的桩长数据、抽芯法检测法的桩长数据进行对比分析,为后续使用此法测桩长提供借鉴。
The low strain acoustic detection method is a relatively matured method in the pile integrity determination,but it has not been widely used in the pile length estimations.This paper presents a case history of an application of the acoustic method in the pile length estimations.The estimated length is compared with the pile length recorded in the pile installations,as well as the length from the pile coring.
作者
孔德勇
KONG Deyong(Hubei Longfor Enterprise Management Co.Ltd.,Wuhan 430050)
出处
《土工基础》
2023年第2期326-329,共4页
Soil Engineering and Foundation
关键词
低应变
声波检测法
桩长检测
灌注桩
Low Strain
Acoustic Detection Method
Pile Length Estimation
Cast-In-Place Pile
