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本文对依次相邻的三个长壁采区中所使用的支架的井下监测情况作了叙述。监测内容包括以下几个方面:对支架立柱压力的测量;对顶底板下沉量、升架过程中顶梁相对底座的位移量的监测、对未支护区以及顶梁上方顶板冒落特性(如冒落高度、宽度和长度)的监测。第一、第二采区的测试数据的
This article describes the downhole monitoring of the supports used in the three adjacent longwall mining areas. The monitoring includes the following aspects: the measurement of the pressure on the support post; the monitoring of the displacement of the roof and the roof relative to the base during the lifting process; the roof falling characteristics of the unsupported area and the top of the roof beam Such as the height, width and length of the plunge). First, the second mining area of the test data