1) thickness of overburden strata
覆岩岩柱厚度
2) rock cover thickness
覆岩厚度
1.
Based on the results of a practical example, the effects of sea depth and rock cover thickness on the stress fields are analyzed with the consideration of seepage fields.
通过实例计算,分析了渗流场作用下,海水深度和覆岩厚度对隧道应力场的影响规律。
3) bedrock pillar thickness
基岩柱厚度
1.
A borehole water injection method was applied to probe the mining failure height of the strata after the coal mining operation of the fully mechanized longwall caving mining face in Yangcun Mine and also to probe the bedrock pillar thickness in the direct roof No.
通过采用钻孔注(放)水法探测了杨村煤矿综放面采后覆岩采动破坏高度;同时,探明了305工作面浅部顶板基岩柱厚度;采用无线电波坑道透视方法,查明了工作面内的隐伏小断层及其延展情况。
4) rock covering thickness
岩石覆盖层厚度
1.
Combined with subsea tunnel engineering at eastern route way in Xiamen,the minimum rock covering thickness of subsea tunnel,water pressure design values,section optimization of lining structure and waterproof and drainage project,construction measures throughout bad subsea geology section,such as fault,solution groove,necessity of service tunnel setting were analyzed.
结合厦门东通道海底隧道工程,对海底隧道最小岩石覆盖层厚度、水压力设计值的确定,衬砌结构断面优化与防排水方案,穿越海底不良地质段(断层、溶槽)的施工措施及服务隧道设置的必要性问题进行了分析。
5) Overlay strata thickness
上覆岩层厚度
6) super-thick overlying strata
巨厚覆岩
1.
Correlation of ground surface subsidence characteristics and mining disasters under super-thick overlying strata
巨厚覆岩下开采地表沉陷特征及其与采矿灾害的相关性
补充资料：天柱岩
天柱岩
是七星岩最高岩峰之一。自石室洞北口西望，岩峰剑削，恰似独柱擎天。岩上多红豆。1959年在南坡建了一座犹如凌空结构的天柱阁，阁后有山道，凿石为门，称为螺旋洞。洞后上约百级石磴有文昌阁，阁后有玄虚洞，游人能至的最高点。有栈道、天桥通最高顶之摘星亭。岩高约80米处，上有金津洞，下有玉溶洞。岩的北麓新建有铁索桥、水榭、观鱼池、莲舫等游览点。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。