高频地震反射波法能有效地进行隧道掌子面前方地质预报。
The result states clearly that the seismic reflection method of high frequency can effectively apply to geologic prefiguration in tunnel.
理论计算响应与工程桩的反射波法动测结果有较好的相关性。
The theoretical response correlates well with dynamic testing of an engineering pile by the reflective wave method.
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。
Now the most available method of pile integrity testing is low strain pile integrity test (LSPIT).
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.
用反射波法对该柱基进行了质量检测，发现断桩、缩径桩比例较大。
The pile cutoff and tbe shrinking-diameter piles are discovered and numbered in rather large proportion.
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.
反射波法是目前检测预制桩和灌注桩等刚性基桩质量最适合、最常用的方法。
At present, the reflected wave method is the most suitable and commonly used method in detecting the quality of rigid precast and cast-in-place piles.
文摘：反射波法是目前检测预制桩和灌注桩等刚性基桩质量最适合、最常用的方法。
Abstract: At present, the reflected wave method is the most suitable and commonly used method in detecting the quality of rigid precast and cast-in-place piles.
对于地下复杂的地质构造，地震反射波法比折射波法能够提供更多更详细的地下信息。
The seismic reflection method can provide more detailed and more information about underground geological structure than refraction method.
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.
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.
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.
低应变反射波法作为一种桩身结构完整性检测的基桩动测法，在我国被广泛应用于工程实践中。
As one of the dynamic testing methods for structural integrity of pile shaft, it is widely used in the engineering project in our country.
对深层搅拌桩强度变化及影响因素进行了分析，并就反射波法在深层搅拌桩检测中的适用性进行探讨。
The influence factors and strength variation of the deep mixing pile are analyzed, and the application of reflected wave method in the deep mixing pile test is investigated.
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。
This paper analyzeds the theory base, practice and reliability through the application of low strain reflection wave method to test cement-soil mixing pile.
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。
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.
以吉林省白山市石碑岭隧道掘进中所进行的超前预报为例，介绍了地质雷达和地震反射波法在这一领域里的应用。
This paper gives an example of Shibeiling tunnel in Baishan city, Jilin, and introduces the GPR and seismic method .
利用嵌入式系统的可裁剪性、便携性和低功耗等特点，研究反射波法测桩仪的数据采集硬件电路及其数据处理软件。
Based on the characteristic of the embedded system, the data collection hardware and the data processing software of a pile integrity tester are studied.
利用嵌入式系统的可裁剪性、便携性和低功耗等特点，研究反射波法测桩仪的数据采集硬件电路及其数据处理软件。
Based on the characteristics of the embedded technology, this research develops the data collection hardware and the data processing software of a pile integrity tester.
结合工程实例，分析了钢筋混凝土钻孔灌注的特点及常见缺陷。介绍了基桩质量检测的常用方法及反射波法检测钻孔灌注桩的基本原理、方法。
Based on the practice, it analyses the performance and limitation of borehole cast-in-place concrete pile, and introduces the methods of quality test: especially the stress reflection method.
现场载荷试验及反射波法低应变动力检测试验表明，CFG桩桩身完整性很好，复合地基的承载力提高显著，证明该工程的CFG桩复合地基设计及施工是成功的。
The results of plate loading test and low strain dynamic testing show that the quality of CFG pile composite foundation is good and subgrade bearing capacity has been improved successfully.
得到不完全边界上不同反射波和透射波的振幅比，并导出法向力刚度、切向力刚度和完全粘接时的振幅比。
The amplitude ratios of different reflected and transmitted waves were obtained for an imperfect boundary, and deduced for normal force stiffness, transverse force stiffness and perfect bonding.
且当平面P波入射时，法向柔量对反射P波和转换波的影响均大于切向柔量的影响。
It is showed that the normal compliance has much influence on P-P and P-S reflections than that shear compliance do when the incident wave is P-wave.
此外，在以前分析计算吸波材料的反射率与入射角的关系时，常采用性线插值法，这会引入较大的设计误差。
Besides, in analysis of reflectivity versus incident Angle of absorbing materials, it used to use linear interpolating method and resulted in considerable error.
利用FDTD法和PML技术计算分析了平面分界面对脉冲波的反射和折射，充分而形象地描绘平面界面对脉冲波反射的时域过程。
The reflection and the refraction of the pulse electromagnetic waves at a dielectric interface were calculated and analyzed based on the FDTD method and PML technique.
应用天线理论中的电流分布法，首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
弱反射波信号识别是声波法煤层厚度探测中的一个关键问题。
To identify the signal of the weak reflected wave is a key problem to detect the thickness of the coal seam by using elastic wave.
由多道面波法和地震反射法测得的横波速度则作为堤身的刚度的良好判别指标。
The S-wave velocities estimated from MASW and seismic reflection surveys were used as the good indices to evaluate the stiffness of levee body.
本文对超声波油膜厚度测量法进行了探讨。它包括脉冲反射法和连续波法。
Ultrasonic method for oil film thickness measurement is discussed in this paper, including the pulse echo method and the continuous wave method.
本文对超声波油膜厚度测量法进行了探讨。它包括脉冲反射法和连续波法。
Ultrasonic method for oil film thickness measurement is discussed in this paper, including the pulse echo method and the continuous wave method.
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