How to predict the collapse strength of casing is a hotpot in the research of pipe strings mechanics.Casing deformation has been investigated by gluing strain-gauge on casing ektexine.

• 预测套管的挤毁失效压力一直是管柱力学研究的热点,针对这一问题,利用在套管外壁粘贴应变片的方法,研究了套管挤毁失效过程中的应变情况。