1) wooden-shed & anchor-bolt combined support
木棚与锚杆联合支护
2) joint support of cable anchor and shed
锚、索、棚联合支护
3) united support of shed and bolting-anchor
棚锚联合支护
1.
In 472 block driving of Xieyi mine,the pressure behavior on working face was very clear,so driving along next goaf with pocket stump leaving method and united support of shed and bolting-anchor were used,and which overcomed the shortcomings of H-beam trapezoium-shed support.
为此,巷道采取留设小煤柱沿空掘巷,其巷道采用棚锚联合支护方式,克服了原来单一工字钢梯形棚支护的缺点。
5) combining support of bolt-cable-grouting
锚杆-锚索-锚注联合支护
6) bolt with cable and metal net
锚杆、锚索加网联合支护
1.
According to bolt with cable and metal net supporting mechanism and the geologic condition of Fengxi Group Hexi mine,the roadway destroying cause and key supporting technique measure are analyzed.
根据锚杆、锚索加网联合支护机理,针对汾西集团贺西煤矿工程地质实际条件,深入分析了该巷道破坏原因及该类巷道支护关键技术措施,提出了高强度锚网支护方案。
补充资料:喷锚支护
喷锚支护 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。由于混凝土喷层密贴围岩,并具柔软性等特点,所以能承受较大荷载,并能控制围岩变形,充填胶结岩体表层裂隙,保护和发挥岩体的潜力。喷混凝土可以作为洞室围岩的初期支护,也可以作为永久性支护。喷锚支护是使锚杆、混凝土喷层和围岩形成共同作用的体系,防止岩体松动、分离。把一定厚度的围岩转变成自承拱,有效地稳定围岩。当岩体比较破碎时,还可以利用丝网拉挡锚杆之间的小岩块,增强混凝土喷层,辅助喷锚支护。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条