• 以大庆榆树林油田砂岩段情况计算注水压力套管应力套管强度之间的关系。

    As an example with casing damage in Yushulin oil field of Daqing, the paper calculates the relations between injecting pressure, casing stress and casing strength.

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  • 通过对退锚器工作压力确定强度校核、合理计算选择了活塞承压面积液压直径尺寸

    Through anchors identified by the work pressure, intensity degree, reasonable terms, choiced piston confined area and the size of hydraulic tank diameter.

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  • 通过评价方法管道运行压力分析计算确定了东黄老线剩余强度,为合理制定东黄老线安全工艺运行条件提供了科学依据。

    The analysis and calculation on operational pressure of the pipeline were carried out, then the residual strength of the old line was determined.

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  • 研究了连续油管工作力学特性建立了连续油管弯曲、抗强度外部挤毁压力直径增长、纵向伸长点位置分析计算模型

    Mechanical characteristic of ct is studied. The model of bending, internal pressure strength and external collapse strength, diametric growth and stuck-point of ct is established.

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  • 基础上,推导出巷道顶部和两帮破碎范围松动压力计算公式,巷道加固范围和支护强度计算提供理论依据

    On the basis of this, the formula of the cracked range and broken-rock pressure was induced, providing a theoretical basis for calculating the reinforcing range and supporting intensity.

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  • 充分考虑到碳酸盐岩剖面孔隙性地层裂缝性地层岩石强度地层破裂影响建立了地层破裂压力测井计算模型。

    The effects that the rock tensile strength is in pore formation and the fracture formation are sufficiently considered, the formation fracture pressure is established.

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  • 作为应用,文中计算界面裂缝应力强度因子得出了应力强度因子随坝基弹模、库水位缝水压力的变化规律。

    On top of that, this method is used to calculate the stress intensity factors of interface crack at the heel of gravity dam, and some useful conclusions are presented.

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  • 先期固结压力重要力学特性参数变形计算强度分析有较大影响。

    The preconsolidation pressure is an important parameter for soil deformation calculation and strength analysis.

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  • 强度土木工程重要意义,计算地基承载力土坡稳定性土墙压力关键

    The strength of the soil is very important in civil engineering. It is a key for calculating the subsoil bearing capacity, the slope stability and the earth pressure on the retaining wall.

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  • 数值模拟计算缺陷球罐应力场基础上,对含缺陷球罐在工作压力压两种工况进行了断裂安全评定强度校核

    Based the numerical simulation for sphere tank with defects, fracture safety assessment and stress strength verification are done under the cases of working pressure and over pressure.

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  • 利用最大应力强度准则得到单一螺旋缠绕螺旋加向缠绕圆环压力容器爆破压强计算

    According to the maximum stress strength criterion, the burst pressure formula for the single spiral and the spiral with hoop filament-wound toroidal pressure vessel were obtained.

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  • 文中通过实例分析作用接管端面上轴向外力承受压力容器接管部位强度计算结果的影响。

    This thesis made an analysis on the influence of nozzle axial force to the strength of connection parts of pressure vessel nozzle under inner pressure according to the concrete examples.

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  • 结果表明相对强度能准确地测出单元推进剂HNIW整个燃烧过程温度分布曲线,测得的最高燃烧火焰温度低于相应压力下的理论计算温度;

    The (investigation) results show that the curves of combustion flame temperature distribution in all combustion course are accurately measured by relative intensity method for monopropellant HNIW.

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  • 通过计算套管中注能量分散强度得出了套管弥散微小气泡最大尺寸,并采用伯努利方程分析了套管中注流的压力分布。

    The maximum size of the bubbles was obtained through calculating the energy dissipation rate of liquid flow in the shroud.

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  • 计算表明,在非均布外压力作用下,套管抗挤毁强度大大降低

    Calculation shows that the casing collapse resistance decreases greatly under nonuniform loads.

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  • 防砂中受外挤力作用进行了分析,计算井底压力(包括流体流经砾石层和割缝衬管降) ,建立了衬管割缝参数与割缝条幅弯曲强度刚度之间的关系式。

    The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.

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  • 然后研究剪断裂力学机理,分析有水压力作用的压剪断裂应力强度应力的计算及其断裂判据

    Then, the criteria of hydraulic fracturing of different tensile cracks are discussed. The mechanism and formula for stress intensity factor are put forward.

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  • 定量地确定了地压力系统水位压力系统沉积改造作用,计算压挤水和渗入水的交替强度

    It is quantitatively confirmed that the reformation process of terrastatic pressure system and water static pressure system on deposition water. Autho

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  • 定量地确定了地压力系统水位压力系统沉积改造作用,计算压挤水和渗入水的交替强度

    It is quantitatively confirmed that the reformation process of terrastatic pressure system and water static pressure system on deposition water. Autho

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