Steel fiber reinforced sprayed concrete can supersede mesh sprayed concreter in tunnel supporting from the tensile strength.
研究表明:从抗拉能力的角度,钢纤维喷射混凝土可以替代挂网喷射混凝土用于巷道支护。
参考来源 - 钢纤维喷射混凝土巷道初期支护技术的研究及其应用In steep thick seam mining, the laneway layout and laneway support are different with those of general fully mechanized top coal caving.
急斜临界角特厚煤层水平分段综放开采巷道布置及巷道支护与一般的综放开采相比有很大的不同。
参考来源 - 铁厂沟矿急斜临界角煤层综放开采高产高效关键技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
软岩支护一直是困扰淮南矿区巷道支护的一大难题。
Support of soft rock was a difficult problem in support of sinking and driving in Huainan mining area.
原有巷道支护遭到破损后,采取浅孔注浆方法可收到良好效果。
Good results can be gained using the short-hole grouting for strengthening the existing heading with damaged support.
为巷道支护设计提供可靠的基础参数,具有很好的推广应用前景。
It can provide reliable basic parameters for roadway supporting design and have excellent extension and application foreground.
应用推荐