对于水平应力，其斜率间的关系近似成指数关系；
To level stress, the relation of their slope approximatively shows the exponent function relation;
隆起区多属高水平应力区，沉降区多属低水平应力区。
The horizontal stress is high in the uplift and low in the subsidence areas.
提出了一种利用测井资料计算最小和最大水平应力剖面的新方法。
Proposed is a new method to calculate the maximum and minimum horizontal stress using log data.
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。
Through similar material simulation the horizontal and vertical stress of arch rock stratum in pressure equilibrium is observed.
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。
Strike - dip, development degree and horizontal stress of the natural fracture in oil well perforated intervals affects operated fracturing pressure directly.
根据模拟结果，在垂直应力大于水平应力的情况下，破坏主要在巷道侧面上发生。
According to the simulation result, in the condition of vertical stress greater than horizontal stress, the failure occurs in lateral wall of the tunnel.
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。
Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique.
当高角度缝的走向与最大水平主应力的方向一致时，后期水平应力对原生裂缝有保持作用；
When the high-angle fracture has the same direction with the maximum horizontal stress, the subsequent horizontal stress will preserve the primary fracture.
通过对高水平应力条件下采区准备巷道复合顶板的离层过程和机理进行研究，得出了相关结论。
Get out some conclusion by researching the compound roof separation process and mechanism of preparation roadway under high horizon stress.
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。
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.
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 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.
本文应用弹性力学理论，对地壳中重力诱导的应力进行了分析，得出了垂直应力和水平应力与重力和半径的关系式。
The distribution of stresses in the earth's crust induced by gravity has beenanalyzed with the theory of elastic mechanics.
双向水平应力不同时，随着差异的增大，井底岩石各向异性程度增大，钻头向最大水平主应力方向的漂移趋势增强。
If the two horizontal stresses are different, the degrees of rock anisotropism under bottom is increased as long as...
在软硬相间的层状岩体中地应力分布很不均匀，应力大小与岩层硬度具有正相关性，硬岩中的水平应力大于软岩的水平应力。
The stress distribution is far from uniform in this stratified rock, the horizontal stress magnitude in hard rock layers is significantly higher the that in soft layers.
该方法弥补了以往各向同性球壳模型的不足，可计算出任意深度的原岩应力状态：铅垂应力、平均水平应力、水平面内最大及最小正应力。
By this method, it is capable for calculating the initial rock stress, i. e., vertical stress, average horizontal stress, maximum and minimum horizontal stress, in any depth below surface.
本文采用空芯包体方法地应力测量表明吕家坨井田是水平应力场，测量结果为矿井采场合理布局、巷道布置选择和锚杆支护设计提供基础数据。
The principle and characteristics of stress measurement with the CSIRO method and the main procedures of in situ stress measurement carried in 4 coal mines of Xingtai mining area are introduced.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
然而实际的古登堡公式应当是既反映介质特征又反映应力水平的关系式。
However, actual Gutenberg-Richter formula shall be relation which reflects both medium character and stress level.
计算结果指出：门机结构总体应力水平较低，其严重受力件主梁具有较大的强度富裕度，不必更换。
The results show that the crane is unnecessary to replace for its low total stress level and large strength margin of the main girder (main stressed part).
本文分析、比较了由不同方法测得的华北地区最大水平主应力方向。
The measured maximum horizontal principal stress orientation in North China by different methods were compared in this paper.
一门断裂分析技术，用于确定已知尺寸的预先存在裂纹扩展并导致断裂的应力水平。
Fracture mechanics. A technique of fracture analysis used to determine the stress level at which preexisting cracks of known size will propagate, leading to fracture.
所以细砂岩试样的非线性蠕变程度随加载应力水平的提高而提高，载荷效应明显。
Thus, the degree of nonlinear creep for fine sandstone specimen increases along with loading stress with obvious stress effect.
对于敏感性材料，在低应力水平下也会发生断裂，危险性很大，容易引发承压管道和设备的爆破，造成重大事故。
Sensitive materials under low stress will suffer breakage which brings about large risk explosion of pressure bearing pipe and equipment is easily to be triggered causing major accident.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
有限元计算表明，网格墙在轴力和水平力作用下的正应力分布与实体墙总体上一致；
The finite element analysis showed that the normal stress distribution of the grillage wall was about the same as that of the solid wall.
用X射线法对该球罐进行了系统的残余应力测试，分析了大量裂纹与残余应力水平的关系。
Then the relationships between the numerous cracks and residual stress should be analyzed by testing the vessel systematically with X-Ray method.
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。
Based on the spatial analysis method of elasticity mechanics, the relation between the shape of the plane stope and horizontal construction stress was analysed.
初裂缝是沿着最大水平主应力方向的垂直缝。
The beginning of crack is vertical along the orientation of maximum horizontal principal stress.
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。
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。
Point out that the horizontal structure stress is one of the important influence factors on the coal seam floor's failure.
应用推荐