thick-walled tube

It may be indicated that the capability of thick-walled tube loaded by compression is enhanced.

增大的方向主要沿着横轴的负向和纵轴正向，这就表明厚壁圆筒承受压力的能力提高。

The Critical Time of the First Stage in a Thick-walled Tube under Creep-Damage

厚壁圆筒蠕变损伤第一阶段断裂时间两种解法

Shakedown analysis of a thick-walled cylindrical tube considering the material property changing with temperature

考虑温度对材料性能影响时厚壁圆筒的安定分析

The differential curves of limit loading with differential walled thick indicate that values of relative limit loading vary as amount of relative walled thick vary under the yielding state of thick-walled tube.

不同的极限载荷线图说明了在厚壁圆筒处于屈服极限状态下，随着相对壁厚的变化，相对载荷变化的规律。

In a separate use or for the thick-walled tube welding, heat-resistant steel should use low hydrogen electrodes.

在单独使用或用于厚壁管焊接时，应选用低氢耐热钢焊条。

Study on Cold Press Forming Progress of the Thick Wall Long Tube Parts

厚壁长筒形零件冷挤压成形工艺的研究

With the development of the modern structural technology, large-scale concrete filled steel tubular structures appeared. Only thick-walled steel tube and high-strength steel tube can provide sufficient constraining force to concrete. And therefore the cost of project will be increased.

随着现代结构技术的发展，大型的钢管混凝土建筑物也随之出现，这就要求必须使用厚壁钢管或高强钢管以提供给混凝土足够的紧箍力，也因此增加了工程造价。

The limit loading formulae of thick-walled tube with differential strength in tension and compression are derived in the twin shear unified strength theory under the combined actions of both an inner pressure and axial force.

应用双剪统一强度理论，考虑材料的拉压异性和同性，推导了在内压和轴力联合作用下的厚壁圆筒的塑性极限载荷表达式。

The elastic-plastic stress and displacement fields of cylindrically orthotropic composite thick-walled tube under uniform radial pressure are studied.

研究了在均匀径向压力作用下圆柱正交异性复合厚壁圆筒的弹-塑性应力场和位移场。

Finite-amplitude shearing oscillations of a thick-walled cylindrical tube made of elastic incompressible material

不可压缩弹性圆筒的有限幅度剪切振动

In this paper, on the basis of limit strength theory of compression and bending members, Stability of thick-walled stainless-steel tube is analysed when the compression side and tension side of tube are both plasticized.

采用压弯构件极限强度理论，对厚壁不锈钢管长细柱当双侧出现塑性时的根限承载力进行了分析，为今后全面确定不锈钢管柱的稳定系数奠定了基础。

Study on Rolling Process of the Thick Wall Seamless Tube

厚壁无缝管轧制工艺研究

Then, they introduced the advantages of W bend forming and its application in thick-walled tube production.

并介绍了与单半径孔型和双半径孔型比较,W成型的优点及在 厚壁 管生产中的应用实例.

Test Study on Strength of Spiral Tube with Thick Wall

厚壁螺旋管强度试验研究

A very comprehensive and complete technical guidance of the production of large diameter thick-walled tube from the blank to the finished product is provided in this research work. It also provides a larger referential significance to the actual production.

本文的研究工作给大直径厚壁管的生产提供了从毛坯到成品的全面完整的成形技术，对实际生产有较大的指导意义。

Research on experiment of size prediction of thick-walled tube without mandrel by open-die cold extrusion

厚壁管件无芯棒开式冷挤压尺寸预测的实验研究

The relative formulations between limit loads ( both axial force and internal pressure) acting on it are derived while the whole thick-walled tube is led to the yielded state.

当整个厚壁圆筒达到屈服状态时，推导了在内压力和轴向力联合作用下的厚壁圆筒的塑性极限载荷表达式。

New Process of Expanding and Upsetting in the Thick Wall Tube

厚壁管双向扩口镦粗的新工艺

Influence Factor of High Frequency Thick Wall Tube Welding

高频厚壁管焊接的影响因素

Elastic-Plastic Analysis of Cylindrically Orthotropic Composite Thick-Walled Tube

圆柱正交异性复合厚壁圆筒的弹-塑性分析

The Stress Analysis of a Thick-Walled Square Tube

厚壁方筒应力分析

Butt-jointed Seam Saddle Welding for Clad Plate of Low Content Alloy and Heat-Resistant Steel& Major Diameter Thick-walled Tube

低合金耐热钢复合板与大直径厚壁接管马鞍形对接焊

Then, they introduced the advantages of W-bend forming and its application in thick-walled tube production.

并介绍了与单半径孔型和双半径孔型比较，W成型的优点及在厚壁管生产中的应用实例。

Prediction of relative Elongation of Thick-walled Tube based on ANN

基于神经网络的管件开式冷挤压相对伸长量预测

In the present paper, the shakedown problems of power hardening and elastic power hardening thick-walled cylindrical tube under a cycling internal pressure are studied.

本文讨论了幂强化材料以及弹性&幂强化材料厚壁圆筒在循环内压作用下的安定性；

The main parameters influencing relative elongation are analysed by research on experiment of size prediction of thick-walled tube without mandrel by open-die cold extrusion, and their curves of changing rule are given, which applies reference in order to direct practical production.

本文通过对厚壁管件无芯棒开式冷挤压尺寸预测的实验研究，分析了影响相对伸长量的主要参数，找出了它们与相对伸长量之间的变化规律曲线，为指导实际生产提供了依据。

Lofting Procedure Design for the Crossing Nodes of Steel Thick-Walled Steel Tube Truss

厚壁钢管桁架相贯节点放样程序设计