本标准规定了船体强力构件上的区域分类，开孔及补强。
About this standard provision classify, trepanning and reinforce of hull structure.
大开孔压力容器在开孔接管部位有很大的应力集中，必须进行补强。
There will be great stress concentration appearing nearby the junction of nozzle and shell of pressure vessels with big openings, so reinforcement is absolutely necessary.
在塑性极限分析的基础上，本文提出受内压球壳开孔接管的一种整体补强设计方法。
This paper describes a design procedure of spherical shells with nozzles subjected to internal pressure based onthe limit analysis.
得出补强圈足以弥补开孔带来的强度削弱。
Knowing that reinforcement circle adequately remedy intensity weaken.
得出补强圈足以弥补开孔带来的强度削弱。
Knowing that reinforcement circle adequately remedy intensity weaken.
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