Analysis of Numerical Creep Test of Nonlinear Viscosity Coefficient on Rock 岩石非线性粘滞系数的蠕变数值试验分析
Triaxial creep test was carried out on marble samples from Jinping Hydropower Station under the condition of step unloading lateral stress and constant axial stress. 结合锦屏水电站引水隧洞的工程实际,采用恒轴压分级卸围压的应力路径对锦屏大理岩开展了室内三轴压缩蠕变试验。
Triaxial creep test is made for mudstone with the authors-developed gravitation lever style rock creep test machine and triaxial pressure cell. 通过现场取样,采用自行研制的重力杠杆式岩石蠕变试验机,并配备三轴压力室,对泥岩进行了三轴蠕变试验。
Creep test data of granite at different temperatures are used to carry out the identification of the creep damage model; and the creep parameters are obtained. 通过不同温度下花岗岩的蠕变试验数据对建立的蠕变损伤模型参数进行识别,得到不同温度下蠕变损伤模型的材料参数。
Casing load creep test under gypsum formation and its numerical simulation analysis 盐岩地层套管蠕变荷载试验及其数值分析
Fatigue Life Prediction of Asphalt Mixture Based on Splitting Creep Test 基于劈裂蠕变的沥青混合料疲劳寿命预测
Shimadzu AUTOGRAPH in electronic universal testing machine was used for creep test of8 specimens of the femoral head in each normal and sick groups. 在日本岛津电子万能试验机上,对正常与病态股骨头松质骨各8个试样进行蠕变实验。
The finite element model was established based on the small punch creep test of SS304 steel specimen in the condition of constant temperature and different loads. 对304不锈钢进行了恒定温度下多种载荷的小冲孔蠕变试验,在此基础上建立了304不锈钢小冲孔蠕变试样的有限元模型。
This paper studies performance of modified asphalt mortar changing with volume of modifier and filler-asphalt ratio by performing the high-temperature penetration test and low-temperature creep test. 为了研究矿粉对沥青老化性能的影响,采用旋转薄膜烘箱试验模拟胶浆的老化,测试了不同老化状态时沥青胶浆的高、低温性能。
A laboratory triaxial creep test to on-site specimens is carried out to study the creep properties of the carbonaceous phyllite. 通过对现场岩样的室内三轴蠕变试验,研究炭质千枚岩蠕变特性。
The variation law of saturated broken mudstone porosity during creep process is studied by using the self-developed multiphase coupling creep test device. 利用自制的破碎岩体多相耦合蠕变试验装置,研究饱和破碎泥岩蠕变过程中孔隙的变化规律。
Uses the Creep Test Appraisal the High Temperature Stability of Asphalt Mixtures 采用蠕变试验评价沥青混合料的高温稳定性研究
Uniaxial and Triaxial Creep Test. 单轴和三轴蠕变试验。
With data obtained from low temperature bending and bending creep test, a simple calculation method is given for calculating rupture energy. 应用低温弯曲和弯曲蠕变试验所得数据,给出了破坏能的简单计算方法。
Through comparison between test method and evaluation indexes of current evaluated asphalt mixed material, it is summarized that the low temperature bending and bending creep test is a relative economic feasible test method. 通过对现有评价沥青混合料低温性能的试验方法和评价指标的对比,提出低温弯曲和弯曲蠕变试验是较为经济可行的试验方法。
By using Bending test, Bending Creep Test and low-temperature splitting test, the low-temperature crack resistance is tested. 采用弯曲试验、弯曲蠕变试验和低温劈裂试验进行了低温抗裂性检测;
Investigation on Creep Test System 蠕变测试系统研究
Based on 60's traditional creep test machine, the paper develops creep test system with virtual instrument technique. 本文结合我院60年代的传统蠕变试验机的改造,应用虚拟仪器技术研究开发出了蠕变试验机的测试系统。
Based on the creep test of uniaxial compression for weak rock, the time dependent behaviours of strength and elasticity modulus of weak rock are discussed in this paper. 根据软岩的单轴压缩蠕变试验,讨论了软岩强度和弹性模量的时间效应问题。
The necessary test conditions, testing methods& equipment for creep test of rock specimens are described in this paper. 本文介绍了岩石蠕变试验所必需的试验条件、试验方法和试验设备。
Secondly, bending creep test was practiced to study viscous-elastic characters of asphalt mixtures modified by epoxy resin. 其次,采用弯曲蠕变试验研究了沥青混合料的粘弹特性。
The creep test of sandstone has proved that the roof has high rheological property in high stress condition. 通过对砂岩的蠕变试验,证实了高应力水平作用下的显著流变特征。
Results showed that after creep test, the degree of graphitization of this composite was increased. 结果表明,这种材料经蠕变后,石墨化程度增加;
Method Did the stress relaxation and creep test on them. 方法对正常国人跟腱和大骨节病人跟腱进行应力松弛、蠕变实验。
Secondly, through uniaxial static load creep test and compressive resilience modulus test, material models and parameters of common asphalt concrete and HMAC are obtainsed on data processing and regression analysis. 其次,通过对单轴静载蠕变试验和抗压回弹模量试验结果的处理及回归分析,得出普通沥青混凝土和HMAC材料的粘弹性参数。
Through the creep test results, establish a zone of injury creep constitutive equation. 通过蠕变试验结果,建立了带损伤的蠕变本构方程。
This article discusses the characteristics of rock mass structure, controlling structure surface and the deformation and failure mode of slopes of each kind of the structure. ( 2) Carried compression, shear and creep test study on the typical rock sample. 论述了各类岩体结构特征、控制性结构面和坡体变形破坏模式。(2)采取红层软岩典型岩样,进行了抗压、抗剪和蠕变试验研究。
In this paper, the viscoelastic parameters can be gotten by creep test, through the data processing method. 本文采用蠕变试验,再通过数据的处理方法获取粘弹性参数。
Uniaxial compressive strength of specimens is tested and the primary load of creep test is determined. 对试件进行单轴抗压强度测试,进而确定蠕变试验的初级荷载。
The model parameters are identified successfully through the damped least square method according to the creep test curves. 采用阻尼最小二乘法根据流变试验曲线对模型进行了参数识别。