Then unloading test method which can be used to simulate the process of excavation is discussed and the possible reasons for the change of indices are tentatively analyzed.
介绍了常规三轴试验方法,分析了由此测出的强度指标的特点,探讨了模拟基坑开 挖实际应力变化过程的卸荷试验方法,并对强度指标可能的变化进行初步分析。
Based on unloading tests of rock samples,the deformation,parameters and fracture features of rocks under unloading are studied.
基于岩石试件的卸荷试验,研究卸荷条件下岩石的变形、参数及破裂特征。
Two different unloading tests of granites from the Dagangshan Hydropower Station at Dadu River have been carried out.
(2)卸荷试验中,开始卸荷点处的变形模量较常规三轴压缩试验已发生一定的损伤劣化,其损伤因子与初始围压近似成线性关系,而该点处的泊松比所表现出的损伤劣化效应却不明显。
Experimental Study on Unloaded Soil of Deep Foundation Pit and Finite Elements Analysis;
深基坑开挖土体的卸荷试验研究及有限元分析
DAMAGE DEFORMATION CHARACTERISTICS AND ITS STRENGTH CRITERION BASED ON UNLOADING EXPERIMENTS OF GRANITES
基于花岗岩卸荷试验的损伤变形特征及其强度准则
THE EFFECTS OF DIFFERENT UNLOADING RATES ON ROCK STRENGTH
卸荷速率对岩石强度影响的试验研究
Experimental Study on Acoustic Responsiveness to Rock Core Unloading Disturbance
岩芯卸荷扰动的声学敏感性试验研究
TEST RESEARCH ON TYPICAL MECHANICAL CHARACTERISTICS OF SOFT CLAY UNDER LATERAL UNLOADING CONDITION
侧向卸荷条件下软土典型力学特性试验研究
Centrifuge modeling for sheet-pile bulkheads with a rigid load-relieving component
整体卸荷式板桩码头结构离心模型试验研究
EXPERIMENTAL STUDY ON TIME-DEPENDENT PROPERTIES AND PORE WATER PRESSURE OF SOFT SOIL UNDER UNLOADING
软土卸荷时效性及其孔隙水压力变化试验研究
Study on True Triaxial Experiment of Constitutive Model for Excavation Unloading Soil Mass
基坑开挖卸荷土体的本构模型真三轴试验研究
Experimental Study and Numerical Analysis of the Coupling between Seepage Field and Stress Field of Rock Mass with Unloading;
岩体卸荷应力场—渗流场耦合试验研究及数值分析
Unloading Mechanical Character of the Surrounding Rock of the Jinping Hydraulic Power Plant and Its Application;
锦屏二级水电站引水隧洞围岩卸荷力学特性试验研究与应用
Experimental and Theoretical Study on Macroscopic and Mesoscopic Failure Mechanism of Rock Mass under Loading and Unloading Conditions
加卸荷条件下岩体宏细观破坏机理的试验与理论研究
EXPERIMENTAL STUDY FOR UNLOADING AND RELAXATION OF DAM BASE DURING EXCAVATION AT XIAOWAN HYDROPOWER STATION
小湾水电站低高程坝基开挖卸荷松弛机理试验研究
Experimental studies of unloading mechanical properties of silty clay of first marine layer in Tianjin city
天津市区第一海相层粉质黏土卸荷路径下强度特性的试验研究
Dynamic characteristics experiment study of loading rock based on theory of load/unload response ratio
基于加卸载响应比的载荷岩石动力学特征试验研究
Experimental study on failure mechanism of high slope-rock anchor cable under condition of strong-unloading and toppling fractured rock mass
强卸荷、倾倒拉裂破碎岩体条件下高边坡岩锚破坏性试验研究
Unloading strength properties of rocks under high confining pressure and hydraulic pressure
高围压高水压条件下岩石卸荷强度特性试验研究
Reform of Screw-lifting Dumping Cart
螺旋升降式卸料小车改造试验——散粮卸车新途径
Study and Application on Performance Test System of Automobile air Brake Unloading Valve;
汽车气制动卸荷阀性能测试系统的研究与应用