bolt roof

常見例句

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，然后對錨桿采用有限元法進行應力計算。
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.
通過計算機數(shù)值模擬分析研究了錨桿支護回采巷道圍巖應力分布、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，科學合理，實現(xiàn)了安全高效的良好效果。