1) natural lighting by means of side windows and skylights
借助于侧(边)窗和天窗的天然采光
2) roof light
采光天窗
3) glass skylight and lighting wall
玻璃天窗和采光墙
4) skylight curb
天窗侧沟
5) side skylight
侧天窗
1.
During jacking bridge operated,it is essential to excavate a certain length of soil body in the front of cutting edge before jacking,it is called side skylight.
顶进桥顶进作业时,由于顶进前需要在刃脚前方开挖一定长度的土体即侧天窗,若无加固措施,桥两侧边墙及刃脚前方会出现较大范围无支护的临空面,而在开挖施工过程中,开挖土体在自重及外界因素作用下,极易失稳塌方,造成安全事故。
6) sidewindow lighting
侧窗采光
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