倾斜复合型顶板综采工作面超前支护研究

在综采工作面回采过程中,两顺超前支护的顶板管理十分重要,它是保证回采工作顺利进行的最重要因素之一。而复合型顶板具有易离层、易折断、稳定性差、支护难度大的特点,在顶板安全管理上,是一个长期困扰综采两顺巷道维修工作的难题。大兴煤矿通过采取有力措施,及时、合理改变支护方式,达到了对顶板的有效控制,保证了安全生产和回采工作的顺利进行。

Study on Advanced Support at Fully Mechanized Coal Face with Declining Compound Roof

In the mining process of fully mechanized coal face,the roof management of advanced support in two crossheadings is important.It is one of the most important factors to ensure smooth mining.The compound roof has some characteristics,such as easy separation,easily broken,poor stability and difficult support.In roof management,it is a long puzzling problem in roadway maintenance of two crossheadings.Through adopting effective measures,timely and reasonable improvement of support ways,the roof is effectively c...