The main roof can form suspension roof. The periodic weighting pace is 16.9-10m, and the average pace is 13.7m. The dynamic load factor is 1.4.
通过现场实测,分析得出了边角煤工作面矿压显现和顶板运动规律,工作面顶煤与直接顶的初次垮落步距为12.1m,老顶的初次来压步距为36.9m,动载系数为1.46,老顶能够形成悬顶结构,周期来压步距为16.9～10m,平均13.7m,动载系数为1.4,老顶来压较明显。
参考来源 - 厚煤层边角煤开采灾害防治及安全技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The main roof has three basic structure forms: dynamic arch, arch-beam and beam.
老顶存在三种基本结构：类拱式、拱梁式和梁式。
The main roof plane extends forward to form the carport roof near the front of the property.
主要的屋顶平面延伸到了附近的车库屋顶。
The east wood wall plane of the main space folds onto two concrete walls to form the main roof plane.
东边主要空间的木墙在两堵混凝土墙上折叠，形成主要的屋顶平面。
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