1)  outer tube
外层管
2)  outer ply
外层
3)  outer shaft lining
外层井壁
1.
In view of the retaining problem of outer shaft lining in deep frozen shaft,the structure of outer shaft lining of prefabricated high strength reinforced concrete arc plank is presented.
针对深厚表土层冻结井筒外层井壁的支护难题,结合其受力特点,提出了采用装配式高强钢筋混凝土弧形板结构,并考虑弧形板外壁与冻结壁的共同作用,推导出在不均匀冻结压力作用下装配式弧形板外壁的位移和内力计算公式。
4)  outer shaft wall
外层井壁
1.
Variety rules of concrete strain of outer shaft wall were carried out based on in-situ measurement during freeze sinking of Longgu Mine auxiliary shaft.
通过龙固副井冻结凿井期现场实测,获得了龙固副井外层井壁混凝土应变的变化规律。
5)  roller surface layer
轧辊外层
6)  external surrounding rock
外层围岩
参考词条
补充资料:管山吃山﹐管水吃水
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