STABILITY ANALYSIS OF SURROUNDING ROCK MASSES OF ROADWAY UNDER OVERHEAD MINING近距离跨采对巷道围岩稳定性影响分析采矿工程工作面开采底板岩巷稳定性支承压力Considering the relative position of working face and the floor roadway,the stress evolution of surrounding rock masses,rock displacement around floor ...
2) stability analysis of surrounding rock 围岩稳定性分析 例句>> 3) Stability analysis of tunnel surrounding rock 围岩稳定胜分析 4) the stability classification of the surrounding rock 围岩稳定性分级 1. Identifythe stability classification of the surrounding rockthrough BP neural network in the mine ...
Stability analysisCatastrophe theoryThe failure of surrounding rock in tunnel crossing water-rich fault is a sudden damage phenomenon with obvious nonlinear and abrupt characteristics, which is characterized by the uncertainty of deformation, the nonlinearity of constitutive relation and the mutation of ...
wallcaverngroup.Thegeologicalconditioniscomplex.Thestabilityanalysisofhighsidewallandtherockpillar betweencavernsiskeyforcaverndesign.Basedonin-situtestdata,usingboundarydisplacementcondition regressionmethod,theinitialgeostressfieldisconstructed.Thestabilityofsurroundingrockofunderground cavernsisanalyzedbyFLAC 3D .Thedef...
Stability Analysis of Surrounding Rock of Large Semi-underground Pump House under Complex Conditions The stability of the surrounding rock of large underground water-diversion projects is a critical safety concern. The water intake pumping station of a water-transfer project in Guizhou Province adopts ...
Stability analysis of surrounding rock of underground plant in high in-situ stress region in China and some relevant questions : Liu-Shi Huang Proc Symposium on Rock Mechanics and Power Plants, Madrid, 12–16 Sept 1988V1, P209–215. Publ Rotterdam: A A Balkema, 1988Show moreShow less...
The stability of surrounding rock of Xiangjiaba Hydro-power Station's underground powerhouses is demonstrated by the method of three-dimensional elastic and plastic damage elements.The effects of the mechanical parameters of the surrounding rock and mechanical model on the plastic region, stress and ...
horizontal long axis, vertical short axis and long to short axis ration as lateral pressure coefficient; when the north section of the tunnel are excavated, the hard rock has the possibility of rock burst, and the soft rock has the background of its occurrence and serious extrusion deformation...
Stability analysis of surrounding rock mass of Hongping underground caverns are studied by means of numerical simulation using Fast Lagrangian explicit fin... Y Yan,LI Weihong,C Xiong - International Conference on Civil Engineering & Transportation 被引量: 0发表: 2014年 Analysis of Surrounding Rockma...
Stability control of surrounding rocks for a coal roadway in a deep tectonic region,tectonic,tectonic plates,tectonic plate,roadway,surrounding,surrounding area,stability,stability test,stability是什么意思 文档格式: .pdf 文档大小: 2.25M 文档页数: ...