Familiar problems in the test of quality of piles with low strain method are discussed and solutions are provided based on construction practice.
本文就低应变法检测桩身质量在应用过程中最常见的问题进行了较全面的论述，并结合实际给出了解决方法。
Testing bearing pile with low strain method will be some defects in the bottom if the echo from the tip has the same phase as the pulse at the top.
用低应变法检测嵌岩桩，若桩底出现明显同相反射，多数因桩底缺陷引起。
There are many methods detecting the integrity of foundation pile. Low strain method, which has low cost and is easy to use, is widely used by detection departments.
对基桩完整性检测的方法很多，因低应变法具有成本低、使用便捷等特点，被检测单位广泛采用。
At present, the reflecting wave method on low strain occupy the most marketplace in detecting the pile's integrality by advantage of its simple and convenient measuring way.
目前，低应变反射波法以其现场测试简便快捷的优势占据了桩基完整性检测的大部分市场。
Now the most available method of pile integrity testing is low strain pile integrity test (LSPIT).
目前为检测其桩身完整性应用最多的方法是低应变反射波法。
According to the analysis of engineering example, the paper discussed the principle of reflected wave method and its application for detecting quality of low strain pile foundation.
通过工程实例分析，论述了反射波法低应变动载检测的原理和在桩基础工程现场检测中的应用。
A new reflection wave method is presented for inspecting the pile integrity of the non-linear elastic material under the condition of low strain.
对非线性弹性材料桩身完整性检测的低应变反射波新方法进行了研究。
Low strain dynamic testing method is an important method in analyzing the integrity of the pile.
运用低应变动力检测的方法对施工完成后桩身完整性进行了分析。
A digital filtering method is proposed for compensation of the low frequency characteristics of piezoelectric dynamic strain measurement system.
针对采用压电元件的动态应变测量系统的低频失真问题，提出一种采用数字滤波器的低频特性补偿方案。
This paper analyzeds the theory base, practice and reliability through the application of low strain reflection wave method to test cement-soil mixing pile.
本文结合工程搅拌桩体，对低应变反射波法应用于水泥搅拌桩的理论基础、实际应用与可靠性进行了分析。
Under the instruction of metabolic control theory, the screening of leucine auxotroph was determined as the method of selecting the mutant strain of low-yield fusel oil.
以代谢控制理论为指导，确定以选育亮氨酸营养缺陷型菌株作为初筛方法，选育低产杂醇油啤酒酵母突变菌株。
Though it has been gradually accepted and actively promoted by the Engineering Field, the low-strain reflection wave method still has its limitations and a lot of problems have not been solved yet.
尽管低应变反射波法日益得到了工程界的肯定及大力推广，但该方法也有其局限性，尚有许多问题没有解决。
The result shows that predicting life by elasticity-plasticity finite element analysis is low and the maximal stress-strain cycle can be calculated accurately by the residual stress method.
研究结果表明，弹塑性有限元分析法预测的寿命偏低，由残余应力可以较准确地确定最大应力应变循环。
It is convenient and economic to use the low-strain echo method in examining the integrality of pour-pile outright.
对于带有普查性的灌注桩完整性检测，低应变反射法较为便利和经济。
The method of dynamic testing with low strain is very quick, with low cost and reliable result.
低应变动测检测桩身质量方法快速、费用低、结果比较可靠而广受检测单位和建设单位的欢迎。
Based on the tests of the complete stress-strain curve, the fatigue tests on different high, low stress level were carried out in this method.
该方法以全应力-应变曲线试验为基础，进行不同高、低应力水平的疲劳试特性验。
Pulse Echo method (PEM) is a fast, economic and feasible method for Low-strain Dynamic Testing (LDT) of piles.
小应变反射波法是当前在工程桩基检测中应用的动测法之一。
Pulse Echo method (PEM) is a fast, economic and feasible method for Low-strain Dynamic Testing (LDT) of piles.
小应变反射波法是当前在工程桩基检测中应用的动测法之一。
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