| 1. | Study on membrane penetration in sandy soil specimens based on digital image measurement system
基于数字图像测量系统的砂砾土试样膜嵌入问题研究 |
| 2. | With a 576 * 768 pixes cod , we have got 10 " 5m accuracy in measurement of the deformation of soil specimen
同时，用另外一台ccd图像传感器测量三轴实验中的排水管读数变化量。 |
| 3. | Standard practice for laboratory preparation of chemically grouted soil specimens for obtaining design strength parameters
达到设计强度参数的化学灌浆土壤样品的实验室制备标准规程 |
| 4. | The measurement of axial deformation and radial deformaton of the soil specimen is very important in biaxial test
在土力学的三轴实验中需要对土样的径向和轴向变形在线测长，以便得到土的力学特性。 |
| 5. | Standard test method for determining the effect of freeze - thaw on hydraulic conductivity of compacted or undisturbed soil specimens using a flexible wall permeameter
使用一柔壁渗透计对压实的或非分散性土壤样品液体导电性冻融效果测定的标准试验方法 |
| 6. | In the first part of the dissertation , the shortages of deformation measurement of soil specimen are discussed together with comparing and analyzing the traditional and improved methods
论文的第一部分通过查阅大量的参考文献，对三轴试样变形的常规测量方法以及它们的改进作了比较分析，明确了三轴试样变形测量存在的主要问题。 |
| 7. | Compared with the traditional method , the digital image processing method has many advantages in measuring the deformation of soil specimen in triaxial test , such as higher accuracy , non - contact measuring process , and undisturbed specimen . it is valid to measure the deformation in large scale . it can select the section of specimen freely to measure the axial and radial deformation directly
应用数字图像测量技术量测三轴试验试样的变形，有许多传统测量方法不能比拟的优越性：较高的变形测量精度；非接触式变形测量，不扰动试样，不干扰试样的变形；适用于三轴土样的大变形测量；可以任意选择测量断面，实现三轴试样轴向变形和径向变形的直接测量；可以在试样变形测量的同时用图片的形式记录三轴试验的全过程，便于试验结束以后对试样变形的重新分析和研究。 |
| 8. | Abstract : in order to obtain the mechanical properties of cemented soil , a series of cemented soil specimens with different cement ratios are conducted through uniaxial compression tests and ultrasonic wave tests . the link of the compressive strength of the prismatic specimens and the cubic ones is established . the relationship between the uniaxial compressive strength and the speed of ultrasonic wave of cemented soil specimens are acquired
文摘:本文通过室内抗压实验及超声波波速实验的方法，对不同水泥掺入比下水泥土的力学性能进行了研究，获得了水泥土材料棱柱体抗压强度与立方体抗压强度之间的关系，以及抗压强度与波速之间的关系式。 |
| 9. | ( 3 ) study of triaxial test of dry soil and the formation of shear band in triaxial specimen of fly ash . because the digital image processing technique can directly measure the axial and radial deformation of soil specimen in any moisture , general triaxial apparatus can be used to do the triaxial test of dry soil . in the study of the triaxial test of dry soil , the stress - strain characteristic is compared with that of the saturate soil at the same condition
（ 3 ）干土的三轴试验以及粉煤灰三轴试样剪切带形成的试验研究：利用土样变形数字图像测量技术可以直接量测任意含水量土样的轴向和径向变形，对干土和饱和土进行三轴试验，比较了干土和相同条件下饱和土的应力应变特性。 |
