分析了裂缝灌缝技术,提出了根据裂缝形状确定是否开槽灌封的建议,提出开槽形状应采用圆形、椭圆形槽形。
The paper analyses crack repairing measure, puts forward that the notching should be confirmed by the crack shape and the shape should be designed with circle, ellipse.
探讨了单裂缝与均布多裂缝情况下,裂缝深度、裂缝形状,厚壁筒壁率、裂缝数目等特性参量对裂缝尖端附近奇异场的影响。
The effect of crack depth, crack shape, wall thickness ratio, the number of cracks etc. on singular stress field near the crack tip is investigated.
更糟糕的是结构组成部分的形状:槽口和尖角产生能引起裂缝的压力集中。
Worse still is the structural component's shape: notches and sharp corners create concentrations of stress that can initiate cracks.
关闭A,粒子就会通过裂缝B并且形成类似的形状。
Close a instead, and a similar pattern will form behind slit b.
用这些不同形状的器械塞入裂缝和洞中以保护自己而不会破坏到岩壁。
These are devices of different shapes you can stick in cracks or holes for protection without damaging the rock.
本文研究了任意形状裂缝的释放能。
The released energy of a crack of arbitrary shape is investigated.
对钻井水力压裂开采煤层气时,所形成的裂缝产状和形态进行了理论分析。提出了裂缝倾角、走向和形状的确定依据。
Occurrences and forms of hydraulic fractures in drilling wells are analyzed for extraction of coalbed methane(CBM). The determination basis of dips, strikes and shapes of the fractures are presented.
对水力压裂来讲,这个系统就是通过对记录压力的分析,提取地层和液体特征,从而确定裂缝的几何形状。
Through analyzing the pressure records in hydraulic fracturing, we can gain the formation and the fluid characteristic parameters and then judge the geometrical shape of a crack.
实木地板物理形状不稳定的主要表现形式为涨变、裂缝和漆膜龟裂。
The instability of wood floors refers to swelling, cracking and paint chapping of their physical shapes.
ALD成像测井可以揭示井眼形状特征,例如井眼螺旋以及应力诱导裂缝。
ALD image logs reveal borehole shape features such as hole spiraling and stress-induced breakout.
因此,成簇形状(内置微裂纹)可吸收压力一致预防小的裂缝和大的碎裂。
Therefore, "tufts" — built-in micro cracks — absorb pressure in unison to prevent splits and major fractures.
渗透性随有效应力变化,并且与岩石空隙形状有关,岩石空隙形状包括三重孔隙介质,分别为基质孔隙、裂缝孔隙和管道状孔隙。
Variety of permeability with effective stresses has relation with pore shape which includes tri-porosity media, fractured rocks, porous rocks and capillary rocks.
裂缝产生的原因主要是早期收敛变形,地质条件复杂多变,隧洞断面形状不当,新奥法施工运用欠妥等。
Major causes of cracks are contraction deformation in early stage, too complicated and changeable geologic setting, improper section shape of the tunnel, wrong practice of NATM construction, etc.
从微地震的结果可以确定裂缝的几何形状、方位角和裂缝复杂性。
The results from microseismic determine fracture geometry, azimuth, and fracture complexity.
从微地震的结果可以确定裂缝的几何形状、方位角和裂缝复杂性。
The results from microseismic determine fracture geometry, azimuth, and fracture complexity.
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