建立了高炉炉顶煤气管道球形节点力学模型，提出了边界条件和载荷的处理方法。
The mechanical model of spherical node of coal pipelines of blast furnace is built. Its boundary conditions and loads are presented.
采用恒载荷和慢应变速率动态拉伸实验方法，测定了X80管道钢在不同充氢条件下的氢致开裂门槛应力和断裂应力。
The threshold stress and fracture stress of hydrogen-induced cracking of X80 pipeline steel are studied by constant load test and slow stain rate test.
承压设备是压力容器、压力管道、承压附件、安全附件等以流体压力为基本载荷的设备总称。
Pressure equipment means vessels, piping, safety accessories and pressure accessories. Its basic loading is fluid pressure.
在使用R 6方法的压力容器和管道结构完整性评估过程中，含缺陷圆筒的极限载荷是一个非常重要的输入参量。
The limit load of a defective cylinder is a very important input in a structural integrity assessment of a pressure vessel or pipe using R6 type procedure.
将管道作为隔离体，在外载荷及前述中面应力的影响下，求位移、内力、内力矩。
Take the pipe as an isolator, under the effect of the external load and the mid-plane gravitation mentioned above, the displacement, the internal force and the internal moment can be worked out.
基于极限分析的观点，推导了工业中焊制管道三通在面内弯矩工况下的极限载荷估算式。
Based on the limit analysis viewpoint, a formula that could be used to estimate the in plane limit moment of welded branch pipe Tee was derived in this paper.
上述管道运动的阻力计算公式可直接应用于采矿系统的载荷分析。
Such calculation formula for resistance to motion also can be directly applied into the load analysis for mining system.
通过有限元计算分析，研究了不同地基性质、支座包角和地面载荷对埋地管道极限载荷的影响。
The research contents and results were as follows:(1) With FEA method, the effects of various groundsill character, pedestal angle and ground pressure on the limit load of buried pipe were studied.
管道的应变随着集中载荷的增大而增大，在一定载荷内，管道的应变曲线成正弦波形且周期无明显变化。
The strain of the pipeline increased with an increase of concentrated load. In a constant load, the strain curve of the pipeline was a cycle of sine wave with no significant changes in the cycle.
以受交通荷载作用的埋地管道为研究对象，认为受交通载荷作用下管道的失效是一个模糊随机事件。
Aiming at the pipelines under traffic loads, this paper thought the invalidation of the pipelines under traffic loads as a fuzzy thing.
研究表明：悬索式跨越管道是一种低固有频率的柔性结构体系，对风载荷作用非常敏感；
The results show that: CSP are flexible structure system which have low natural frequency, and are sensitive to wind load;
研究表明：悬索式跨越管道是一种低固有频率的柔性结构体系，对风载荷作用非常敏感；
The results show that: CSP are flexible structure system which have low natural frequency, and are sensitive to wind load;
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