It is thought through actual case analysis that elastic unstability of crossing section is unlikely to occur in crossing steel pipelines when conformable with minimum wall thickness limit as per...

• 通过实例分析,认为穿越钢管道在满足规范要求最小壁厚限制时,通常不会发生横截面的弹性失稳,即刚度控制的实质为强度控制。