Deviations of ovality, perpendicularity and partial concave - convex on large - scaled storage tanks are inevitably in construction.

大型储罐在施工中椭圆度 、 垂直度及局部凸凹度的偏差不可避免.

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Casing, cement and formation plane strain mechanical model are established, considering casing with initial ovality.

针对套管的不同初始椭圆度建立了套管 、 水泥环、地层平面应变力学模型.

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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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