地下工程支护,地下工程支护,dixia gongcheng zhihu,支护,地下工程,dixia,gongcheng,zhihu,[拼音]:dixia gongcheng zhihu[外文]:safety support for underground works地下工程开挖过程中,为防止围岩坍塌和石块下落采取的支撑、防护等安全技术措施...
喷锚支护,喷锚支护,penmao zhihu,支护,penmao,zhihu,[拼音]:penmao zhihu[外文]:combination of anchorage and shotcrete support把锚固和喷混凝土结合起来,用以加固地下洞室围岩的措施。喷混凝土是利用喷浆设备向地下洞室开挖面喷一定厚度的混凝土层,借以支护围岩...