Strike - dip, development degree and horizontal stress of the natural fracture in oil well perforated intervals affects operated fracturing pressure directly.
油井射孔段天然缝产状、发育程度、水平应力大小直接影响着压裂施工压力。
Based on the spatial analysis method of elasticity mechanics, the relation between the shape of the plane stope and horizontal construction stress was analysed.
利用弹性力学的空间分析方法分析了采场平面形状与水平构造应力之间的关系。
The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.
分析了钻杆接头对水平井段钻柱屈曲临界力和弯曲应力的影响，提出了计算钻柱正弦屈曲临界力的新方法。
Through similar material simulation the horizontal and vertical stress of arch rock stratum in pressure equilibrium is observed.
通过相似材料模拟，对压力平衡拱处岩层的水平应力和竖直应力的观测。
The study manifested the uncoupled pattern of the peak stresses in vertical and horizontal directions, as well as the stress evolution trace varying with pillar width.
揭示了煤体边缘水平应力和垂直应力峰值不耦合的规律以及巷道顶板应力峰值随煤柱宽度不同而演化的轨迹。
The results show that the variation of the stress in anchorage foundations is complex under the action of huge uplift and horizontal tensile forces.
研究成果表明，在巨大上拔力和水平向拉力作用下，锚碇基底应力的变化过程是复杂的。
Point out that the horizontal structure stress is one of the important influence factors on the coal seam floor's failure.
提出水平构造应力是煤层底板变形破坏不可忽略的重要因素之一。
In situation of tunnel's horizontal freezing, temperature, stress and displacement fields were analyzed.
分析了隧道水平冻结情况下的冻结区的温度场、应力场和位移场。
The Angle deflection, buckling stress of insulator, horizontal load and vertical load were recorded. The mechanical failing load test was performed on buckling insulator.
监测了角度偏移、受压复合绝缘子的应力及水平荷载和垂直荷载，并在多次试验后对受压绝缘子进行了机械破坏负荷试验。
Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique.
根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
The variation rule of wall stress of horizontal rotary cavity flow in an intemal energy dissipating tunnel is researched based on the experimental observation.
通过对典型的水平旋转内消能泄洪洞空腔环流的试验观测，研究了其壁面应力的变化规律。
A series of compressional depressed valleys formed by active faults show that the neotectonic stress field in the area is controlled by horizontal compressional stress.
由活动断裂所构成的一系列医陷谷地显示了该区新构造应力为近南北向的水平挤压应力。
Decreasing of the minimal horizontal principal stress, or more, may he responsible for a trigger of the earthquake associated with a change in stresses.
应力改变触发地震的机制，主要是由于最小水平主应力的减小，或两个水平主应力同时减小。
The maximum and the minimum horizontal stresses and the direction of the maximum horizontal stress are obtained.
取得了该区最大水平主应力、最小水平主应力量值及最大水平主应力方向。
The maximum horizontal force that the pier must resist and the longitudinal stress of the stringer are studied.
并计算施工过程中墩顶必须承受的最大水平拉力以及钢纵梁的最大轴向压应力。
The vertical or horizontal isogram at any given point can be drawn to show the law on the change of additional stress.
可在任意位置绘出垂向和水平曲线图，细致地表示了附加应力变化规律。
Stress distribution of periodontal membrane loaded with the same vertical and horizontal forces was analyzed during different thickness of periodontal membranes around abutments.
在相同垂直载荷和水平载荷情况下，分析固定桥基牙牙周膜厚度不同时牙周膜内的应力分布。
Stress distribution of fixed bridge loaded with the same vertical and horizontal forces was analyzed during different thickness of periodontal membranes around abutments.
在相同垂直载荷和水平载荷情况下，分析基牙牙周膜厚度不同时固定桥的应力分布。
The compressive stress can be increased in the case of continuous rolling with vertical edging rolls at the exit of last horizontal rollers.
在连轧最后的水平辊出口带立辊轧制可使此压应力增加。
The change of thickness of steel tube does nothing with the maximum horizontal stress.
钢管厚度对支承体的最大横向拉应力影响不大。
Studying the variety laws of the plastic failure, distortion and stress of soft and hard rocks alternate-layered roof with the constant vertical stress only the horizontal stress changing.
在垂直应力不变，不断改变水平应力的条件下，分析各类软硬岩互层项板的应力、变形、破坏规律。
The maximum principal axes of the compressive stress in the five tectonic movements are nearly horizontal.
五次构造运动的最大主压应力均呈近水平方向。
The horizontal tectonic stress has quite strong influence on the layout of entries and mining faces.
水平构造应力对矿井巷道和采场布置产生较大影响，与工程地质调查和变形调查结果相吻合。
The preliminary tensioning of the horizontal restraints of dome and cylinder wall is made with equal stress while the principal tensioning is executed with C1500F jack.
简体墙和穹顶水平钢束初步张拉采用等应力张拉，主张拉采用C1500F千斤顶。
It gives the scientific voice way of vertical crustal stress and horizontal crustal stress by gravity.
给出了重力所致竖向地应力与水平地应力的科学表达方式。
It is discovered that the gravity can not only cause the vertical static water stress of the dam, but also the horizontal static water stress as well.
水体重力不仅可以产生竖向静水应力，而且还可产生水平静水应力。
The force source of current tectonic stress field comes mainly from the westward and northwestward horizontal extrusions from the Pacific and Philippine Plates respectively to the Eurasian Plate.
反映出本区现今构造应力场的力源主要来自太平洋板块向西和菲律宾板块向北西对欧亚板块的水平挤压作用。
This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.
该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。
On the basis of the concept of the vertical crooked arm in material mechanics, a quantitave analysis of the distribution and evolution of horizontal shear stress in vertical folding is discussed.
根据材料力学纵弯杆概念，从定量角度分析了横向剪应力在纵弯褶曲中的分布和演化。
It gives the scientific voice way of horizontal crustal stress by gravity.
给出了重力所致水平地应力的科学表达方式。
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