thickness of pipe wall

Calculation of the thickness of pipe wall in vertically laid pipe line and discussion

垂直敷设管路壁厚计算公式的推导与讨论

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The problem among calculation of wall thickness of inner pressurized pipe

受内压管道壁厚的计算方法

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The coupler of Fe-Mn-Si-C alloys was developed and the influence of bearizing rate of coupler, connection length and thickness of pipe wall on the connection strength and pressure resistance was analyzed.

研制Fe-Mn-Si-C形状记忆合金管接头，并分析管接头扩孔率、连接长度、管壁厚度对连接强度及其耐压性能的影响。

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The connection strength increases with the increasing of bearizing rate of coupler and thickness of pipe wall, but decreases with the increasing of connection length.

管接头的连接强度随着扩孔率、管壁厚度的增加而升高，但随着连接长度的增大而降低；

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Study on wall thickness distribution in thickened section of stretch reduced pipe

张力减径管端增厚段壁厚分布规律的研究

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A calculating method of oil pipe coupling wall thickness

石油管接箍壁厚的计算方法

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The diameter of FRP cable protective pipes varies from 50 to 200 mm and the thickness of the pipe wall is from 2 to 12 mm.

玻璃钢电缆保护管直径d为（50~200）mm，管子壁厚t为（2~12）mm，变化范围很大。

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In the paper, the strength of vertically laid pipeline is analyzed with the fourth strength theory, and the formula for the thickness of pipe wall is deduced, comparison with the similar formula is made and discussed.

通过垂直敷设管路受力分析，利用第四强度理论推导了垂直敷设管路壁厚计算公式。

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The rules of the effects of such factors as wall thickness deformation magnitude and D/ S ratio on pipe end deformation in three-roll cross-rolling are obtained based on the experiments, and the pipe end deformation mechanism is analysed.

在实验基础上得出了三辊斜轧钢管过程中管壁变形量和径壁比等因素对管端变形的影响规律；分析了管端变形机理。

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On Hole Wall Protection by Pipe Casing CALCULATION OF WALL THICKNESS OF EXPANDABLE CASING

套管护孔问题初探膨胀管壁厚计算研究

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Experimental results show that the MRR increases with the increase of peak discharge voltage, discharge pulse-on time, discharge peak current and gas pressure, but decreases with the increase of pulse-off time and thickness of pipe wall.

材料去除率随峰值电压、峰值电流、脉冲宽度、气体介质压力的增大而增大，随脉间宽度、工具电极壁厚的增大而减小。

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The needed pipe bending moment , wall thickness reduction and ovality of section are known by simulating.

通过模拟,计算管子弯曲变形所需的弯矩, 计算管子弯曲部分外壁减薄率和椭圆度.

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