管棚支护 释文为防止隧道或地下硐室开挖引起的地表下沉和围岩松动开挖掘进前沿开挖工作面的上半断面设计周边打入厚壁钢管在地层中构筑的临时承载棚防护下进行开挖的预支护方法为增加钢管的刚度可向钢管内压入混凝土或设置钢筋笼注入水泥浆在既有隧道或建筑物下修建隧道海底隧道浅埋隧道及突破断裂破碎带等困难条件下可采用此法钢管壁厚以10~30毫米管径以80~180毫米为宜
... 超前支护 advance support 管棚支护 pipe-shed support;pipe roofing support 胶结型锚杆 adhesive anchor bolt ...
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管棚支护是浅埋暗挖法施工中的一种辅助工法。
Pipe roof support is an assisted method of shallow tunneling.
超前管棚支护是隧道施工中穿越软弱破碎围岩的一种有效的预支护方法。
The shed-pipe advanced support that passes through soft cracked rock mass in tunnel construction is an effective pre-supporting method.
超前注浆管棚支护是一种避免在软土地层或含水地层中盾构隧道开挖面失稳的有效技术。
The advanced pipe grouting is an effective technique to avoid the instability of shield-tunneling faces in soft or water-bearing ground.
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