A study of axial force and bending moment in tube numerical control bending based on finite element method;
基于有限元模拟的数控弯管过程轴力和弯矩的分析计算
Dynamic optimization of Timoshenko beam with internal elastic support under axial force;
轴力作用下带弹性支座的Timoshenko梁的动力优化
Research on the calculation methods of vibrating-wire concrete supporting axial force;
钢弦式混凝土支撑轴力计算方法的研究
Research on axis force of composite soil-nailed wall in different soil layers;
不同地层条件下复合土钉墙轴力的研究
When shearing force or axis force is relatively great, great errors of moment arise when the method of pure bending is employed.
当剪力或轴力较大时,用纯弯曲方法计算弯矩误差很大。
The monitoring approaches for principal parameters such as horizontal displacement of retaining structure,axis force of anchor,settlement of adjacent buildings and ground water level are introduced.
介绍支护结构顶部水平位移、锚杆轴力、周围建筑物及地下管线沉降、地下水位的监测技术;最后,提出了基坑安全监测的预警指标。
Experimental study of acoustic emission characteristics of granite thermal cracking under middle-high temperature and triaxial stress
中高温三轴应力下鲁灰花岗岩热破裂声发射特征的试验研究
Based on elasticity theory, the triaxial stress formulas of casing exposed to thermal steam under thermal stress and non-uniform in-situ stress were derived.
以暴露于热蒸汽中的目的层套管为研究对象,根据弹性力学理论,首先给出了套管在热应力和非均匀地应力作用下的三轴应力表达式,然后利用对套管施加预应力来降低套管的轴向热应力,以使得套管的有效应力控制在相应温度下套管的最小屈服极限内为原则,得到了热采井套管三轴预应力设计方法,并对辽河油田常用的N80钢级套管进行了预应力设计分析,给出了该套管在不同注汽温度和井深条件下所应使用的径厚比及相应的预应力值。
Based on the elastic theory,this paper derived the triaxial stress formulas of casing exposed to heating steam under thermal stress and non-uniform geologic stress,and established a new method to design the prestress of casing.
以暴露于热蒸汽中的目的层套管为研究对象,根据弹性力学理论,首先给出了套管在热应力和非均匀地应力作用下的三轴应力表达式,然后利用对套管施加预应力来降低套管的轴向热应力,使得套管的有效应力控制在相应温度下套管的最小屈服极限内为原则,得到了热采井套管三轴预应力设计方法,并对辽河油田常用的N80钢级套管进行了预应力设计分析,给出了该套管在不同注汽温度和井深条件下所应使用的径厚比及相应的预应力值。
Experimental investigation into the axial force of working rolls in aluminium foil mill;
铝箔轧机工作辊轴向力的实验研究
Numerical calculation of axial force and balancing on newtype deep well pump;
新型深井离心泵轴向力的数值计算及平衡分析
In constant temperature state,considering the interfacial friction between the fiber and matrix,the tensile problem of SMA fiber under varying axial force is discussed,and the formulation of memory alloy fiber's pull-out length is obtained by two theories respectively,namely the index model of Tanaka and the cosine model of C.
Liang的余弦模型,讨论了形状记忆合金纤维在变轴力作用下的拉伸问题。
Triaxial computational method for structure time dependent behavior;
三轴应力状态下结构时间效应的计算
Research on unsaturated loess experiment under triaxial stress
三轴应力状态下非饱和黄土试验研究
Study on red sandstone mechanical property under different stress path by triaxial test
不同三轴应力途径下红砂岩力学特性试验研究
It is frequently accelerated by the presence of an active environment and by triaxial stress.
激化环境和存在三轴应力,常可加速这种破坏。
Experimental study of structure steel in stress triaxiality on fracture properties
结构钢在三轴应力空间的断裂试验分析
Design and implementation of the software for the triaxial stress check of casing string
套管柱三轴应力校核软件的设计与实现
Test of the Dynamic Triaxial Stress-strain Hysteresis Curve of the Sand Soil and Study of its Characteristics of Dynamics
砂土动三轴应力应变滞回曲线试验及其动力特性研究
Experiment on Triaxial Pore Water Pressure-stress-strain Characteristics of Foamed Particle Light Weight Soil
发泡颗粒混合轻量土三轴应力-应变-孔压特性试验
Effect of Triaxial Stress on the Plastic Zone Distribution in Front of Crack Tip with Mixed Mode Loading
三轴应力状态下复合型裂纹尖端前缘的塑性区分布
Experimental Study of Water-sandstone Reaction under Triaxial Stress
三轴压力下水与砂岩反应的实验研究
Plane Strain Experiment Research of Simulating Stress Path of Excavation Pit by the True Triaxial Cell;
模拟基坑应力路径的真三轴平面应变试验研究
Experimental Investigation on Triaxial Frost Heaving Stress-Strain Relationship of Saturated Clay
饱和粘土三轴冻胀应力-应变关系试验研究
DEVELOPMENT AND APPLICATION OF TWIN-PISTON MULTIPURPOSE TRIAXIAL PRESSURE CHAMBERS
双活塞多功能三轴压力室的研制及其应用
The Behaviour Research of Triaxial Compression Test Under the Different Stress-Path in Dagan Ping Soft Clay
大甘坪软粘土不同应力路径的三轴试验特性
True Triaxial Test of Medium Stress Influence on Duncan-Zhang Model
中主应力对邓肯-张模型影响的真三轴试验研究
Experimental Study of Water-Sandstone/Limestone Reaction under Triaxial Stress;
三轴压力下水与砂岩、灰岩反应的实验研究
A plastic constitutive model for concrete with zero value of initial yield stress under triaxial compressive loading condition
零屈服应力下混凝土三轴受压塑性模型
Analysis of the direction of shear fracture trend surface in triaxial unequal stress fields
三轴不等应力场下剪切破裂趋势面方向探析
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