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.
在软弱土层管棚支护工程中，利用现有设备试验了多种成孔方法，优选出最佳成孔法，加快了工程进度。
The paper discussed common problems of pipe roof support engineering in soft ground and presented the optimization technology by tests on borehole construction methods with existing equipments.
这为复杂构造条件下煤矿井巷的掘进寻找出一种新的支护技术，拓展了管棚预支护技术的应用范围。
The results indicate a new timbering method under in mine integrated structural conditions and extend the utilization scope.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
通过对管棚预支护技术在两类自然条件下的施工情况分析对比，阐述了煤矿井下管棚预支护技术的特点。
Based on analysis of pre-timbering with tubular prop technology under two natural conditions, described the properties of this technology.
管棚注浆法是地下结构工程浅埋暗挖时通常采用的一种超前支护技术。
The application of pre-casting technology through advanced installed pipe shed in portal section construction of highway tunnel in fault-rupture zone;
管棚注浆法是地下结构工程浅埋暗挖时通常采用的一种超前支护技术。
The application of pre-casting technology through advanced installed pipe shed in portal section construction of highway tunnel in fault-rupture zone;
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