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ultrasonic transmission method
相关语句
  超声波透射法
     Application of ultrasonic transmission method to detecting integrity of large-diameter bored cast-in-place piles
     超声波透射法在检测大直径灌注桩完整性中的应用
短句来源
     Research and Application of Ultrasonic Transmission Method to the Dynamic Test of Foundation Pile
     超声波透射法在基桩动态测试中的研究与应用
短句来源
     The priciple test technology in site of ultrasonic transmission method for detecting integrity of large-diameter cast in place piles are introduced.
     介绍了超声波透射法检测大直径灌注桩桩身完整性的原理、方法和现场检测技术。
短句来源
     Inspection of borehole cast-in-place concrete piles using ultrasonic transmission method
     钻孔灌注桩的超声波透射法检测
短句来源
     THE APPLICATION OF ULTRASONIC TRANSMISSION METHOD TO THE TEST OF BORED CONCRETE PILE
     超声波透射法在混凝土灌注桩检测中的应用
短句来源
更多       
  超声透射法
     APPLICATION STUDY OF QUALITY TESTING OF THE ARCH-RIB CONCRETE OF CONCRETE-FILLED STEEL TUBE ARCH BRIDGE BY ULTRASONIC TRANSMISSION METHOD
     超声透射法检测钢管拱桥拱肋混凝土质量应用研究
短句来源
     Research on Automatic Sensitivity Compensation Technology on Ultrasonic Transmission Method of Variable Thickness Part
     变厚度构件超声透射法检测中的灵敏度自动补偿技术研究
短句来源
  声波透射法
     Application of Ultrasonic Transmission Method in Foundation Quality Testing
     声波透射法在桥梁基桩质量检验中的应用
短句来源
  “ultrasonic transmission method”译为未确定词的双语例句
     Ultrasonic transmission method foundation pile test is a kind of test method that based on the variety of acoustic parameters and waveform during the ultrasonic propagation in concrete to estimate and token the location, range, degree and mechanics character of pile defect.
     超声波透射法基桩检测是一种利用超声波在混凝土传播过程中声学参数和波形产生的变化,对桩身缺陷的位置、范围、程度及力学性质进行推断和表征的基桩测试方法。
短句来源
     Comparing with the ultrasonic transmission method, the reflection\|transmission method averts the influence of temperature gradient and pressure gradient in the chamber of sample.
     ,我们由超声脉冲透射方法改进为超声脉冲透射反射法 ,克服了样品室中压力和温度梯度对样品的影响。
短句来源
     On the base of analyzing of the theory of the ultrasonic transmission method,advantages and disadvantages of different sensitivity compensation methods are researched. An improved automatic sensitivity compensation algorithm is presented which is based on preserving amplitude of ultrasonic transmission wave.
     在分析了透射法超声检测原理的基础上,研究了目前灵敏度补偿方法的优缺点,提出了基于保持透射波幅值的灵敏度实时补偿的改进算法。
短句来源
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  ultrasonic transmission method
Femoral neck cortical bones were removed during surgery for cortical histomorphometric evaluation and determination of elasticity indices (C33) using ultrasonic transmission method.
      


The quality inspection of the pile body of extremely long concrete piles with large diameter has long been a difficult problem perplexing the engineering circles In the present paper the method, technique and reliability of the ultrasonic transmission method for inspecting the quality of the pile body concrete for extremely long piles with large diameter have been suggested and discussed Engineering practice has shown that the ultrasonic transmission method as a method for the quality inspection...

The quality inspection of the pile body of extremely long concrete piles with large diameter has long been a difficult problem perplexing the engineering circles In the present paper the method, technique and reliability of the ultrasonic transmission method for inspecting the quality of the pile body concrete for extremely long piles with large diameter have been suggested and discussed Engineering practice has shown that the ultrasonic transmission method as a method for the quality inspection of extremely long piles with large diameter, is a method of high inspection accuracy and a method giving visual and reliable results It can well be used to find out the nature, (depth) position, size and seriousness of the internal flaws in the pile body in details, thus provides an effective inspection method for the quality control of the pile body concrete of extremely long piles with large diameter

大直径超长桩的桩身混凝土质量检测一直是困扰工程界的一个难题。本文提出和探讨了大直径超长桩桩身混凝土质量的超声波透射检测方法、技术及可靠程度。工程实践证明采用超声波透射法对大直径超长桩检测 ,其检测精度高 ,结果直观可靠 ,可以较详细查明桩身内部缺陷的性质、深度位置、范围大小及严重程度 ,为控制大直径超长桩桩身混凝土质量提供了一种有效的检测方法。

This paper introduced basic principle,device and work flow chart as well as analysis diagnoses of ultrasonic transmission method in examining the quality of picket body.It was shown the application of the method possess rapid,simple and intuitionist effect.But in practice process it should combine with experiment judge accumulation aiming to the shape characteristics and basis so as to get credible diagnoses.

本文通过超声波透法对桩身质量检测的基本原理 ,检测装置 ,工作流程 ,分析诊断等论述 ,结合检测实践的认识 ,表明应用超声波透射法检测桩身的质量具有快速、简便、直观、准确的效果。但在实践过程中还应针对施测桩形的特点和基础工程环境 ,结合判断的经验积累 ,方可获得可靠性的诊断。

In the recent two decades, four experimental methods have developed by the Material Laboratory of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Science, for determining physical properties of materials in the earth's interior at high pressure and high temperature in the multi\|anvil apparatus. They are the ultrasonic method for measuring the elastic wave velocities in mineral and rock;the electrical method for measuring the electrical conductivities in mineral, rock and fluid; the differential...

In the recent two decades, four experimental methods have developed by the Material Laboratory of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Science, for determining physical properties of materials in the earth's interior at high pressure and high temperature in the multi\|anvil apparatus. They are the ultrasonic method for measuring the elastic wave velocities in mineral and rock;the electrical method for measuring the electrical conductivities in mineral, rock and fluid; the differential thermal analysis method; and the method for measuring the Grüneisen parameter of thermodynamics.We have improved the ultrasonic method of measuring the elastic wave velocities for mineral and rock at high temperature and high pressure by using the reflection\|transmission combined method. Comparing with the ultrasonic transmission method, the reflection\|transmission method averts the influence of temperature gradient and pressure gradient in the chamber of sample. We have developed the impedance spectroscopy analysis method for determining the electrical properties. This method not only avoids polarization of the measured sample on the measuring results but also obtains some physical and chemical parameters of ion in solution. Furthermore, it can be used to monitor the mineral dehydration process at high temperature and high pressure. Using a quasi\|adiabatic method when the pyrophyllite is used as pressure medium, and measuring the temperature change in the compressive process, we can directly determine the Grüneisen parameter of thermodynamics in materials. Because of the relatively slow rate of the pressure rising and the high thermal conductivity of pyrophyllite at high pressure, the measured results of the Grüneisen parameter have to be corrected. The method for determining the Grüneisen parameter wants to be improved further.

文中介绍了地球深部物质实验室近 2 0年来开展高温高压下地球深部物质物性实验研究过程中 ,在测量方法方面的进步和应用情况。这些测量方法包括了高温、高压下弹性的超声测量方法、高温高压下电性的测量方法、高压差热分析法和高压下热学Gr櫣neisen参数的测量方法诟呶赂哐瓜卵沂涂笪锏牡猿饬恐?,我们由超声脉冲透射方法改进为超声脉冲透射反射法 ,克服了样品室中压力和温度梯度对样品的影响。在高温高压下岩石和矿物的电学性质测量中 ,我们由直流法发展为阻抗谱法 ,不仅克服了样品极化对测量结果的影响 ,还可以获得离子在溶液中的多种物理化学参数 ,以及监测含水矿物在高温高压下的脱水动力学特征。在固体传压介质中建立的高压热学Gr櫣neisen参数的测量方法 ,由于升压速率比较小且叶蜡石在高压下的热导系数增大 ,其测量结果需要进行校正 ,其测量方法有待进一步改进。

 
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