radial deformation meaning in Chinese
径向变形值
Examples
- Digital image processing technique for measurement of the radial deformation of specimen in triaxial test
三轴试验土样径向变形的计算机图像测量 - In this thesis the author developed a method for measuring the axial and radial deformation in triaxial test by analyzing the digital image from area ccd and correcting the errors . this method is more accurate and more convennient than traditioanal techniques , and can be used to deformation measurement for unsaturated soil specimn directely
其基本原理是利用ccd图像传感器获取土样图像信息,经图像板采集、 a d转换和预处理后送入计算机进行数字图像处理,求出土样在不同时间的径向宽度和轴向高度数据,并经过系统误差的修正,从而精确得出土样的变形量。 - 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。 - All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared . the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed . finally , a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test
( 2 )三轴试验土样局部变形研究:首先定量比较了三轴试样沿高度方向不同位置的局部变形(局部径向变形与局部轴向变形)大小,分析了三轴试样局部变形的特点和影响因素;然后把三轴试样数字图像测量结果与传统测量结果进行比较,以邓肯张非线性模型为例进行了模型参数的整理,分析了两种不问测量方法引起的参数差异:最后用原型压缩试验对比有限元数值计算结果,验证了数字图像测量方法得到的三轴试验土体应力应变参数的合理性和准确性。 - ( 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。