折板结构在煤矿暗渠中的应用

Application of using folding plate structure in stead of undergroud chennel cover in coal mines

采用折板结构代替暗渠盖板（箱涵或桥梁）结构，是一种新的尝试，在固庄煤矿试验成功，并取得良好的经济效益。

Application of using folding plate structure in stead of underground chennel cover plate has tested successfully at Guzhuang Mine and got perfect economy benefit.