探索热障涂层在热震中裂纹的形成规律，揭示涂层热震危险截面位置。
Explores the rule of formation of thermal shock cracks in thermal coatings and studies position of dangerous coating sections in thermal shocks.
对危险截面的强度验算表明，使用该支护结构的铁路隧道硐室稳定、安全度高。
The calculation of the strength of dangerous sections testifies that the railway tunnel with this support structure has high stability and safety.
对于承受内压的异径弯管，经向应力的危险截面是异径弯管的小端口横截面，符合直管的特征。
The dangerous section of meridian membrane stress of bend reducer under internal pressure is the section at large end, with the character of tube.
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