Fracture Direction Controlled Method 的裂隙定向控制工法
origin of fracture direction 裂缝方向成因分析
fracture extension direction 裂缝延伸方向
direction of fracture plane 破裂面方向
Finally through anlysing fracture direction and length,indispensablly synthetical considering the present ground stress characteristics state, the par -ameters about direction and distance between wells are determined at Jura -ssic in mid of West-Sichuan-Depression in paper.
最后分析压裂缝方位、长度并结合研究区的地应力状态特征，提出了作为开发参考的井网距及井排方向参数。
参考来源 - 现今地应力场特征与评价——以川西坳陷中部侏罗系为例In this paper, Based on the theory analysis and test, the fracture mechanism and fracture direction of brittle materials are studied.
本文主要通过理论分析和试验，对脆性材料的断裂机理及断裂方向进行研究。
参考来源 - 受压状态下脆性材料断裂机理的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Accordingly, the fracture direction is in the direction of the dangerous points where the maximum shear stress action face.
发生塑性剪断时，危险点位于应力场中等效应力取极大值处，断裂方向均为危险点处最大剪应力作用面方向。
In this paper, Based on the theory analysis and test, the fracture mechanism and fracture direction of brittle materials are studied.
本文主要通过理论分析和试验，对脆性材料的断裂机理及断裂方向进行研究。
In controlling factors of high permeability, the deformation of coal, coal fracture direction, ground stress and drainage rate were discussed.
在渗透率控制因素方面，从煤体变形、煤层裂隙方向、地应力和排采方面对其进行探讨。
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