skewback

1.Stress shell, which bears and pass load of overlying strata, is primary supporting body.The stress in skewback of stress shell forms abutment pressure of surrounding rock in vicinity of working face.

承但并传递上覆岩体荷载和压，是最主要的承载体，拱脚处形成采场四周围岩支承压。

2.The skewback bearer will be directly heated by gushing flame when tuckstone end dropped happens , which threats the safe run of the furnace and causes heavy oil consumption up .

熔窑挂钩砖部掉落后,冒出的火焰直接烧托铁板,严重影响熔窑的安全运行,同时使重油消耗增加。