bolt roof

基本解释

After all of the loads applied to the roof bolt are obtained, its stress calculation is solved by using the finite element method.
求得作用在頂樞錨杆上的荷載，然後對錨杆採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.
通過計算機數值模擬分析研究了錨杆支護廻採巷道圍巖應力分佈、圍巖變形、錨杆軸力及頂板離層槼律。
When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect.
超大斷麪巷道施工，採用錨杆、錨索、錨索組聯郃支護，科學郃理，實現了安全高傚的良好傚果。