GOST R 52857.3-2007 容器和装置.强度计算的标准和方法.在内外部压力下壳体和顶端的开孔加固.管口上外部静负载条件下壳体和顶端的强度计算
Vessels and apparatus. Norms and methods of strength calculation. Reinforcement of openings in shells and heads under internal and external pressure. Strength calculation of shells and heads under external static loads on the nozzle