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UG-36 OPENINGS IN PRESSURE VESSELS
(a) Shape of Opening 27
(1) Openings in cylindrical or conical portions of vessels,
or in formed heads, shall preferably be circular, elliptical,
or obround.28 When the long dimension of an
elliptical or obround opening exceeds twice the short dimensions,
the reinforcement across the short dimensions
shall be increased as necessary to provide against excessive
distortion due to twisting moment.
当椭圆形孔或长圆形孔的长径超过两倍短径时,应增强短径方向的补强,以避免由于扭转力矩产生过度变形
问题:如何增强短径方向的补强?8-1有没有其他相关常规计算说明?
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