水平面内最大主应力的方向基本为南北方向。
In horizontal plane, the orientation of larger horizontal principal stress is about the NS.
统计分析表明：中间主应力一般可使最大主应力的强度极限增大30%。
The statistical analysis shows that the intermediate main stress can generally make the maximum main stress increase 30%.
洞室地应力以构造应力为主，其最大主应力方向与厂房轴线方向近垂直。
The cave's initial principal stress is tectonic stress, and the Max main stress's direction is perpendicular to the power house's stalk line.
分析结果表明，考虑蠕变效应，心墙的水平变形与最大主应力将有较大的增加。
Results show that the displacement in horizontal direction and the maximum principal stress of core wall will increase to a larger extent if the creep effect of asphalt concrete is considered.
与最大主应力小角度相交的先期主要断裂的方向也可能成为油气运移的主要方向。
While direction of previous main faults that intersect the maximum principal stress by minor Angle also probably becomes the major migration direction of oil and gas.
隧洞轴线垂直于最大主应力时的钻爆开挖损伤明显要大于轴线平行于最大主应力时的情况；
When the direction of tunnel axis is vertical to the maximum principal stress, the depth of BEDZ is larger than that of which the direction of tunnel axis is parallel to the maximum principal stress.
人工裂隙的方向受地应力场中两个相互垂直的主应力分量—最大主应力和最小主应力的制约。
The orientation of the induced hydrofractures arc controlled by the mutually perpendicular orientations of the maximum and minimum principal stress components of in situ stress field.
结果表明：显德汪煤矿垂直应力近似等于上覆岩层的自重应力，最大主应力为北东方向，且为近水平压应力。
The results show that vertical stress is equal to overburden stress at shallow level. Maximum principal stress is sub horizontal stress in the NE direction.
根据最大拉应力理论，认为一旦混凝土的最大主应力大于混凝土材料的抗拉强度，就被视为混凝土开裂的微裂区域。
The concrete was considered as crack progressing once the maximal principle of stress in the concrete reached the ultimate stress of concrete according to the theory of maximal tension stress.
在模型实验应力分析中采用脆性涂料法确定模型机架最大主应力部位和主应力方向，采用电阻应变测量法确定模型机架的主应力水平。
Stress coating is adopted in order to determine the points and directions of the most main stress of the frame, resistance strain gauge method used for determining main stress value of the frame.
平面应力状态下最大主应力方向的判定在工程及教学中具有重要意义，应用平面应力理论可以找到判定其方向的快捷方法，并引用实例得到印证。
It is of great significance in engineering and teaching to determine the direction of the largest main stress under the status of plane stress.
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.
不同主应力方向的破坏强度最大差别可达30%。
The maximUm difference of failure strength among various principal stress direction is up to 30%.
莫尔-库仑模式基于莫尔圆来判断最大和最小主应力平面上的破坏应力状态。
The Mohr-Coulomb model is based on plotting Mohr's circle for states of stress at failure in the plane of the maximum and minimum principal stresses.
在泥岩段水平最大与最小主应力基本相等或相差甚小，在砂岩段才呈现较大差异。
Horizontal maximum and minimum principal stresses are nearly equal in shale formation, and very different in sand formation.
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.
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.
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 and the minimum horizontal stresses and the direction of the maximum horizontal stress are obtained.
最大水平主应力方向以近东西向为主，水力压裂裂缝的延伸方向也以近东西向为主；
The conclusion is that the size of terrestrial stress mainly is vertical principal stress maximum and the fracture of hydraulic fracturing is vertical.
本文通过对稳定构造地区与挤压构造区地球物理测井信息的深度域特征进行分析和对比，提出了一种基于测井信息来计算最大岩石主应力的统计模型法。
Through a comparative study of the distribution characteristics of the geophysical logging information in the structurally stable field and those in the structural compressive field, a statistical m.
利用MATLAB绘制剪力图、弯矩图、应力圆以及求解最大弯矩和主应力。
The bending moment diagram and circle of stress are drawn; the most flexural torque and primary stress are solved in MATLAB.
测量结果表明，7个测点的最大水平主应力大于垂直主应力；
The measurement results indicate that:(1) there are 7 measurement points with the maximum horizontal principal in-situ stress more than the vertical principal stress;
当开槽尺寸较大时，粘结剂薄弱层主应力的最大值出现在FRP—粘结剂界面处。
While the slotting dimension is bigger, agglomerant weak tier of hosts strain maximum value appears in FRP agglomerant interface place.
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...
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...
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