论文部分内容阅读
论述了长钢梁的工作特点,通过矿山压力测试绘出了长钢梁单棚工作特性曲线(P─t曲线),分析了长钢梁的使用效果。
The working characteristics of long steel beams are discussed. The working curve of single steel cans (P ─ t curve) is plotted by mine pressure test and the effect of long steel beams is analyzed.