According to actual stress state of surrounding rock during excavation,conventional triaxial and unloading confining pressure tests have been conducted for brittle granite under pre- and post-peak strength using different controlling methods and unloading rates.
按照地下硐室开挖过程中围岩的实际受力状态,开展脆性花岗岩常规三轴、不同控制方式、不同卸载速率条件下峰前、峰后卸围压试验,研究岩石破坏的全过程,从能量的原理探讨岩石破坏过程能量积聚–释放的全过程,研究岩石的变形破坏特征、能量集聚–耗散–释放特征和基于能量原理的岩爆判据。
Field pressure test of submarine pipeline system;
海底管道系统的压力试验
Fuzzy Reliability of the Static Strength of the Thin-Wall Internal Pressure Cylinders at Pressure Tests;
压力试验时薄壁内压圆筒静强度的模糊可靠度
Reliability analysis of steel thin wall cylinder during pressure test;
压力试验时钢制薄壁内压圆筒形容器可靠性
Discussion on vessel flange intensity under the test pressure;
试验压力下容器法兰强度的探讨
In this paper, by using reliability design methods, the test pressure of ultrahigh cylinder is studied.
应用可靠性设计方法 ,对超高压圆筒耐压试验压力进行探讨 ,定量分析试验压力与影响因素之间的关系。
It analyses stress sustained by pipe during hydrostatic test and briefly introduces calculation formula deduced process of test pressures.
分析了静水压试验过程中钢管的受力情况,简要介绍了试验压力计算公式的推导过程。
This paper introduces the experiment condition of pressure experiment for water supplying pipeline of glass steel,experiment technology and method.
介绍了玻璃钢供水管道现场压力试验的试验条件,试验工艺及试验方法,供同行参考。
RESEARCH ON UNLOADING CONFINING PRESSURE TESTS AND ROCKBURST CRITERION BASED ON ENERGY THEORY
基于能量原理的卸围压试验与岩爆判据研究
Test Study on Influence of Confining Pressure Relief upon Mechanical Properties of Rock
围压卸载对岩石力学性能影响的试验研究
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
Testing Research of Laneway Wall Rock Stress Released by Advanced Bore Decompression Explosion Technique
超前钻孔卸压爆破技术释放巷道围岩应力试验研究
Experiment on Working Seam Advanced Pressure Releasing and Gas Drainage in Shigang Mine
石港煤矿本煤层超前卸压瓦斯抽采试验
Test on Pressure Released Blasting Applied to Seam Opening of Cross-Cut in High Gassy and Low Permeability Seam
高瓦斯低透气性煤层石门揭煤卸压爆破试验
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
Test study on rebound deformation of foundation after unloading by vacuum preloading
真空预压卸载后地基回弹变形的试验研究
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
Remove volt/amp tester.
拆卸电压/电流测试器。
Dynamical press test of SFRC under confined pressures
围压条件下钢纤维混凝土动态压缩试验研究
Did test cases include boundary, limit, stress and living testing?
测试事例都包括范围，界限，压力和实例试验吗？
Unloading deformation failure and energy properties of marble under high confining pressure and high water pressure
高围压高水压条件下大理岩卸围压变形破坏与能量特征
Study on Distortion Mechanism of Main Roadway Surrounding Rock under the Dynamic Pressure and the Release of Pressure Control;
动压影响下大巷围岩变形机理与卸压控制研究
Vadose Features Test of Gas Content Coal Under Different Surrounding Pressures
含瓦斯煤在不同围压下的渗流特性试验
Experimental Research on the Surrounding Rock Pressure of Large Sectional Loess Tunnel under Deep and Shallow Submersion
大断面深浅埋黄土隧道围岩压力试验研究
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 on Unloading Deformation,Fracture and Energy Propertiesof Marble under High Confining Pressure
高围压大理岩卸荷变形破坏与能量特征研究