bolt roof

基本解釋

After all of the loads applied to the roof bolt are obtained, its stress calculation is solved by using the finite element method.
求得作用在頂樞錨桿上的荷載，然后對(duì)錨桿采用有限元法進(jìn)行應(yīng)力計(jì)算。
By computer simulation, we analysis and study the law of wall rock stress distribution, deformation , the axial force of bolt and the roof-off-strata.
通過(guò)計(jì)算機(jī)數(shù)值模擬分析研究了錨桿支護(hù)回采巷道圍巖應(yīng)力分布、圍巖變形、錨桿軸力及頂板離層規(guī)律。
When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect.
超大斷面巷道施工，采用錨桿、錨索、錨索組聯(lián)合支護(hù)，科學(xué)合理，實(shí)現(xiàn)了安全高效的良好效果。