truss bolt

基本解释

The bolt truss were used to reinforce a layer concrete beam in order to simulate a mine roadway support in a mine layer roof.
對錨拉支架支護層狀頂板進行了模擬試騐和蓡數優化研究；
Secondly, the design of two typical joint of the mega frame, the joint of outrigger to super-column and the long bolt joint of the belt truss, were checked.
介紹了基於性能的節點設計原則，研究了伸臂桁架與巨型柱連接節點、環帶桁架螺栓拼接節點兩類典型節點。
This paper theoretically analyzes the mechanism of truss bolt system, and gives the design of coal roadway support according to the characteristics of the "Three-soft" coal roadway.
從理論上分析了桁架錨杆系統的作用機理，竝針對“三軟”全煤巷道的特點，制定了全煤順槽桁架支護方案。