文章摘要信息 关键词 ： 基载比；薄基岩；矿压；稳定性 [gap=1486]Keywords : ratio of basement and loadings；thin basement rock；rock pressure；stability
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The following main results and conclusions have been achieved:(1) For the shallowly-buried thin bedrock with thick loess, if the surface sand is loose(without self loading capacity), the bedrock will not form self stable structure until it reaches certain thickness.
取得了以下主要成果与结论:（1）对于厚表土浅埋薄基岩,若表土为松散砂土（假设无自承能力）,基岩达到一定厚度才能形成自身稳定结构。
参考来源 - 厚黄土薄基岩煤层开采岩移及土壤质量变异规律的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
厚松散层薄基岩下开采引起的地表移动规律及地表移动参数，有其明显的自身特点和规律。
The regularity and parameter of surface movement aroused by mining under thick soil layer and thin base rock have its obvious characteristic and regularity.
浅埋煤层薄基岩厚砂土松散层顶板动压灾害和采动水土流失是神东矿区急需解决的重大问题之一。
The vital problems to be solved in Shendong mine are the dynamic pressure damage of thin rock strata roof under thick sandy soil soft stratum and the loss of water and soil under mining.
通过数值模拟和现场实测的方法，研究了司马矿薄基岩厚煤层开采条件下，保证安全开采的极限基岩厚度。
Through the way of numerical simulation and locale measurement, we found the safety utmost bedrock ply at the condition of thin bedrock and thick coal seam in Sima coal Mine.
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