两巷道间的最短净岩柱计算

Calculation of Shortest Net Rock Pillar between Two Roadways

正在掘进施工过程中的矿井巷道与周围相邻巷道之间,有时并不是简单的平面几何关系。为了确保安全,当两巷道之间的距离很近时,需要准确地计算出两巷道之间的最短净岩柱来指导掘进施工。为此推导出一个能准确计算两巷道之间最短净岩柱的公式来解决这一问题。

Sometimes, there is not a simple plane geometry relation existing between a mine roadway under construction and the neighboring roadway. In order for safety, it requires to accurately calculate the shortest net rock pillar between two roadways for guiding drivage construction when the interval between two roadways is very short. For this purpose, a formula for the accurate calculation of the shortest net rock pillar between two roadways was derived, which thus solves this problem.