1) Near-borehole formation
井外地层
2) 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。
3) 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。
4) out wall of mine shaft lining
外层井壁
1.
In order to solve the technical problems of freezing shaft in alluvium to Huaibei Taoyuan coal mine in old industry square,in site measurements of force and temperature impact of the out wall of mine shaft lining were conducted during the shaft sinking.
为解决淮北矿业集团桃园煤矿新副井井筒在老工业广场冲积层中冻结法凿井的技术难题,在施工过程中对外层井壁的受力和温度进行了实时监测,获得了老工业广场内复杂地质水文条件下井壁受力和温度的实测数据,通过实测信息反馈,实现了矿井动态设计和信息化施工。
5) stratigraphic test well
地层探井
补充资料：白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条