Xu yu , xu zhisheng . dynamic characteristics and security research of railway track when tunnel under construction with jack - in method . progress in safety science and technology , 2004 ( 4 ) : 989 - 993 徐? ,徐志胜,朱玛.高温作用后混凝土强度与变形试验研究.长沙铁道学院学报, 2000年02期
At present , many tests on dilatational strain and research on swelling constitutive relationships have been carried out . however most of these tests and research are based on plenteous water supply 目前关于膨胀岩的膨胀变形试验和膨胀本构关系的研究已相对较多，但绝大多数成果都是建立在充分膨胀的基础上。
Wetting experiments as well as rheological experiments of rockfill materials are carried out , aimed at their deformation behavior especially rheological characteristics and their effect on the deformation of dam body of concrete face rockfill dam ( cfrd ) . the main contribution includes : ( 1 ) the development of cfrd and its study actuality are reviewed 本文较为系统地分析研究了堆石料的工程特性，开展了堆石料的浸水变形试验和流变试验研究，重点研究了堆石料的流变特性及其对混凝土面板堆石坝应力变形的影响。
Our main products are the physical performance index inspection apparatus and equipments of spectacles : the whole set of inspection equipment of spectacle products such as sunglasses intellect detection apparatus , lens impact test enginery , resin lens combustion - prevent test enginery , resin lens friction test enginery , spectacle easel bridge of the nose deformation test enginery , pull test enginery and so on 主要生产检验眼镜产品各项物理性能指标的仪器设备：太阳镜智能检测仪、镜片冲击试验机、树脂镜片阻燃试验机、树脂镜片摩擦试验机、眼镜架耐疲劳试验机、眼镜架鼻梁变形试验机、拉力试验机等眼镜产品的成套检测设备。
In the aspect of improving the cracking feature , compatibility and flexibility , the author has done experiments , including strength , modulus of elasticity experiments , and design some experiments similar to the practical structure and circumstance including adhesion strength between fresh mortars and old ones , between mortar and polystyrene board , mortar shrinkage in concrete circle , mortar shrinkage at different strength and different polymer - cement ratio , and temperature deformability at different strength and different polymer - cement ratio on mortars , on different type of formwork and on mortars with different type of formwork 在改善砂浆抗裂性、提高柔韧性和协调变形能力方面，进行了不同聚合物掺量的强度试验、弹性模量试验；设计了与模网混凝土实际结构和情况相接近的新老砂浆粘结强度试验、砂浆与苯板的粘结试验以及混凝土环中的砂浆收缩试验；进行了不同强度、不同聚合物掺量下的砂浆干缩变形试验、温度变形试验，以及不同结构形式的钢网自身温度变形试验和配有钢网的砂浆温度变形试验。
The thermal distortion test of 5x8 sub - array panel was done in high temperature and normal pressure environment . the methodology , procedure and results of thermal distortion test are explained in detail . the test shows the differences between measuring results and fea analyzing results are quite limited 介绍浙江大学博士学位论文空间4 10米可展开天线的动力耦合分析及实验技术研究韦娟芳了常温高温下的5x8子阵板的热变形试验，包括试验方法、试验步骤以及数据采集设备。
So it is very important to understand the cyclic deformation behavior of zircaloy - 4 . in this paper , bauschinger effect of zircaloy - 4 with different metallurgical state at room temperature and 400 ? is investigated in an incremental step test and cyclic deformation test under constant strain control . bauschinger effect during cyclic deformation is described by using back stress , which is mainly responsible for bauschinger effect ; back stress is attained by using kwl " s method 本文采用单试样逐级加载循环变形和恒应变幅循环变形试验，研究了不同冶金状态、温度、氢以及固溶处理下的zr - 4合金的bauschinger效应现象；种种结果表明，影响bauschinger效应的主要因素是背应力；本文正是从背应力的角度来分析各种状态下zr - 4合金的bauschinger效应现象；背应力的计算主要通过使用kwl方法而获得。
The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test , pinhole test , crumb test , tests to defermine salt content of pore water and percentage of exchangeable sodium 摘要应用碎块、针孔、双比重计、孔隙水可溶盐和交换性钠百分比等五种试验方法，结合物理化学性质和矿物成分分析，对西郊、三坪两水库大坝心墙土样进行了多种方案的分散性试验及长期渗流条件下的渗透变形试验和盐分运移试验。
The main contents are as follows : 1 . the experimental data of autogenous volume deformation of concrete with mgo admixture ( mgo concrete for short ) was comprehensively analyzed , then the exponent model and hyperbola model for autogenous volume deformation of mgo concrete were discussed . at the same time , the autogenous volume deformation model of concrete that has 4 . 5 % mgo content was developed 主要研究内容如下： 1 、对外掺mgo混凝土的自生体积变形试验资料进行综合分析研究，在此基础上，探讨了外掺mgo混凝土自生体积变形的指数模型和双曲线模型，并建立了外掺mgo掺量为4 . 5混凝土自生体积变形模型。
