薄煤层工作面气垛支架控顶特征  

The Roof-Control Feature of Air Cushion Supports in Thin coal Face

作　　者：余开清 

机构地区：[1]上京矿务局

出　　处：《山东矿业学院学报》1999年第2期14-17,共4页Journal of Shandong University of Science and Technology(Natural Science)

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。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.

关 键 词：薄煤层 气垛支架 控顶特征 采煤工作面支护 

分 类 号：TD355.9[矿业工程—矿井建设]