对于承受内压的异径弯管，经向应力的危险截面是异径弯管的小端口横截面，符合直管的特征。
The dangerous section of meridian membrane stress of bend reducer under internal pressure is the section at large end, with the character of tube.
该文所介绍的是目前国内最大跨径预弯梁的施工概况，提出的一些关键工序应注意的问题。
This paper introduces the construction situation of biggest span prestressing bend beam, and brings up problems paying attention in key working procedure.
利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.
对按扭矩估算轴径和按弯扭合成力矩计算转轴轴径公式中的许用应力进行了分析，给出了修正意见。
This paper analyzes the admissible stresses used to calculate the diamter of axles according to torsional stress and resultant stress, and some suggestions are given.
以弯矩矢量和转角向径为工具，分析了薄壁构件的弯扭屈曲。
Making use of the moment vector and radius vector of rotation, the lateral buckling of thin-walled members are analyzed.
介绍叶茂互通立交设计的概况，综述立交匝道跨线桥的总体设计及实心板在中、小跨径弯桥中的应用前景。
The paper describes in general the design of Yemao Interchange and the overall design of the ramp flyover, it also specifies the application future of solid slab in medium and small sized bridges.
本文适用于等径和变径的多种弯管。
This article covers to various curved pipes with equal or different diameter.
散热器加水口盖壳缩径模设计难点是对称凸耳成形及内弯后脱取工件困难。
The difficulty in designing the necking die for water_adding entry lid shell of radiator was the stripping of the part after the forming and in_bending of symmetrical protruding ear.
不同管径的冷弯管需配置与之匹配的弯管模具。
The cold-bent pipes with different diameters must be equipped with the pipe-bending dies matching with them.
设计了由三轴差速机构、管径适应机构组成的管道机器人三轴差动式驱动单元，对驱动单元在直管、弯管的差速特性与力学特性进行了理论分析。
This paper discusses the mathematical modeling of in-pipe robot, and the analysis of the robot for fitting in pipelines such as siphon and branch pipeline.
设计了由三轴差速机构、管径适应机构组成的管道机器人三轴差动式驱动单元，对驱动单元在直管、弯管的差速特性与力学特性进行了理论分析。
This paper discusses the mathematical modeling of in-pipe robot, and the analysis of the robot for fitting in pipelines such as siphon and branch pipeline.
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