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.
将用于桩基检测的动测法，推广应用于地下连续墙纵向接缝刚性和强度的测试。
The method of dynamical measurement which was applied to analysis of pile driving is extended to test and measurement on the stiffness and strength of vertical joints between diaphragm walls.
多年来，工程技术人员探究了许多桩基检测方法，包括静力试桩法和动力试桩法等。
In the past years, many pile foundation inspection methods have been invented, including static pile trialing and dynamic pile trialing.
本文着重从反射波法小应变桩基检测过程中对最终测试结果影响较大的几个方面进行分析。
Inthis paper, we analyzed several problems in the process of measuring small strain stake foundation which influenced the final measure effects.
本文就公路桥梁柱基施工，分析了桩基施工中应注意的关键事项，并概述了目前桩基检测的主要技术。
In this paper, based on the highway bridge pile foundation construction, the key issues needing attention are analyzed, and the main technology of the current pile testing is summarized.
首先介绍了桩基检测的方法并分析了单桩荷载—桩顶沉降、桩端沉降、桩身压缩曲线的特性及其在工程中的应用。
The method of testing the base settlement of pile bottom I's introduced in this paper, How to use the characteristic of P-St, Sb, ss, curve in engineering practice is then discussed.
本文对武汉岩土力学研究所近十年桩基检测工作进行了较为系统的介绍和综述，包括：桩基检测技术的应用研究及采用的检测方法；
The testing works on pile foundations including the applicability of the research results and the testing methods adopted in recent decade is introduced and summarized in this paper.
通过一个工程实例的设计和桩基检测结果分析认为：经过合理的设计和施工技术参数的严格控制，夯扩桩能提供较高的单桩承载力，具有较好的经济效。
By the reasonable design and strict control on constructional parameters, the rammed pedestal pile can provide high bearing capacity, so by using it can achieve good economic benefit.
介绍了后压浆钻孔灌注桩的施工工艺，结合工程实例，从试桩、成桩工艺、桩基检测等方面进行了论述，指出后压浆钻孔灌注桩工艺具有承载力高、工程造价低的特。
Combined with practical work the construction technology of post-grouting bored pile is introduced and discussed from test pile, construction procedure, pile foundation test and other aspects.
低应变动态无损检测法是检测桩基承载力和桩身质量的一项新技术。
Low strain dynamic nondestructive testing is a new technology to test bearing capacity and quality of pile.
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。
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.
简要介绍低应变法检测桩基完整性的原理，通过工程实例剖析，对现场操作和室内分析过程中的要点谈几点体会和见解。
It briefly introduces the theory of low strain dynamic testing of pile. Then according to examples, it expresses a view for the operation in site and analysis indoor.
系统的应用有助于提高桩基静载荷检测的效率和质量。
The system is helpful to raise efficiency and quality of then pile static loading test.
利用应力波传播理论探讨了桩基质量检测问题。
The problem of checking on the quality of pile foundations is studied by using the theory of stress wave propagation.
本文阐述了利用小波分析来检测信号的奇异特征的原理，并对桩基础检测信号的奇异性进行了提取。
This paper illustrates principle of the peculiarity of signal test based on wavelet analysis, and extracts the peculiarity of signal test in 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。
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.
本文根据这一特点，探讨了利用磁梯度法检测成桩后钢筋笼长度的原理及其数据分析方法，给出了在某滨海大型电厂桩基工程中的应用实例。
This paper discusses the principle and data analysis of magnetic gradient test to determine the length of a steel reinforced cage, and a case is presented.
这不仅使得桩基振动理论更为完善，也为桩基抗震、防震设计及桩基动态检测提供了全新的理论支持。
It not only makes the theories of pile vibration more practical, but also provides a new theoretical support for anti-seismic design of pile foundation and dynamic testing of pile.
桩基低应变动力反射波法检测，以其特有的优势在工程中得以广泛应用。
The measuring of dynamic reflected waves for low strain of pile base has been applied.
介绍桩基础钻芯检测法抗压芯样选取方法的影响因素，并对各个因素进行分析，提出桩基础钻芯检测法抗压芯样的具体选取方法。
Factors that influence the selection of compressive samples for core-drilling test of piling foundations are introduced and analyzed and methods to select the samples are provided in the paper.
采用抗混滤波器的检测仪与普通滤波器检测仪进行桩基低应变检测时，得到的波形不尽相同。
Different wave shapes can be acquired in pile foundation with small strain by means of different types of instruments for detecting.
因此，采取有效的检测手段对桩基进行检测，避免工程事故的发生，是当今工程界普遍关注的问题。
So it is important to detect the pile's quality with effective means to avoid engineering accident.
研究了USB接口的结构、特点和US B软硬件系统的开发方法，设计了基于USB接口的桩基无损检测系统。
In the paper, the structure and the feature of USBI and the development method of USB software and hardware system are studied. A pile foundation nondestructive testing system with USBI is designed.
随着桩基动测技术在各国的推广，应力波理论已应用于桩基质量检测的多个领域。
With the implementation of dynamic testing of pile around the world, theory of stress wave has been applied in many fields in the quality detection of building foundation piles.
公路桥梁桩基施工中，利用超声波检测施工质量是有效的手段，但如果耦合面不好，测得的反射波将不能直观读出。
It's a effective measure to check the quality of piles by using ultrasonic. The reflection wave can't be shown directly if coupling degree with pile is bad.
介绍了超长桩断桩的处理与超声波法检测桩基混凝土质量的声学原理。
A technology for the treatment of super-long broken piles and the acoustic principle of ultrasonic method applied to detect the quality of concrete of piles were introduced.
锤击法在桩基质量检测中是一种行之有效的手段。
By using hammer method for pile quality is a high effective.
它可在桩基上产生扭转激振，从而便于检测出桩基在不同深度处的缺陷。
It can generate torsion excitement on the pile to detect the defects of pile at different depths.
对该新型桩基开展了一系列现场试验和检测，以其结果验证了该桩型的适用性，桩基承载力和复合地基变形满足了设计要求；
A series of field detection and in-situ test have been performed; the results show that the bearing capacity satisfies the design capacity and the use of this style pile is successful.
对该新型桩基开展了一系列现场试验和检测，以其结果验证了该桩型的适用性，桩基承载力和复合地基变形满足了设计要求；
A series of field detection and in-situ test have been performed; the results show that the bearing capacity satisfies the design capacity and the use of this style pile is successful.
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