1) arch
顶拱
1.
Rock mass structure of underground powerhouse in Xilongchi Pumped Storage Power Station is mostly low-angled layered rock and unfavourable to successful excavation of the arch, thus systematic monitoring measures were installed in the underground powerhouse.
西龙池抽水蓄能电站地下厂房围岩岩体结构的类型以缓倾角层状为主,对于顶拱的顺利开挖十分不利,为此地下厂房洞室系统设置了完善的监测措施。
2) side and roof arch
边顶拱
1.
Therefor, the lining construction scheme of “the inverted arch is lined after the lining of the side and roof arch”is adopted in the construction of the tunnel for the water conveyance project of Dahuofang Reservoir, and then the excavation and the lining are carried out at the same time, by which t.
为此,经研究在大伙房水库输水工程的隧道施工中采用了先边顶拱后仰拱的衬砌施工方案,实现了开挖与衬砌平行作业,从而加快施工进度,确保了工程建设总工期。
3) cracks of arch-crown
顶拱裂缝
4) Arch Excavation
顶拱开挖
5) reinforcement of upper arch
顶拱加固
6) vault of power house
厂房顶拱
参考词条
补充资料：把拱
1.尚未成材的树木。喻小的才能。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。