【摘要】 本文介绍分析了气垛支架的技术性能和气垛支架对顶板的控制特点，在底板比压、与围岩接触应力、垂直应力、刚度特性和对顶板作用等方面与单体支柱相比，薄煤层气垛支架具有显著的优点。更多还原

【Abstract】 Techical peformance and roof-control feature of air cushion supports were studied in this paper. Compared with single prop,it has considerable advantages in many aspects,auch as floor specific pressure,surrounding rock stress,vertical stress,stiffness characteristics and action on roof,etc.更多还原