华东交通大学土木建筑学院邀我写一篇忆杨先生二、三事的短文 ,以庆祝杨先生 90华诞 .很高兴作此事 ,我与杨先生共事 2 0多年 ,现从结构力学写起 .　　我是 1 95 2年院系调整到唐山铁道学院桥隧系在杨先生领导下从事结构力学教研工作 .5 0年代的一项重要调整是学习苏联进行教学 The School of Civil Engineering and Architecture, East China Jiaotong University, invited me to write a short essay on Mr. Yang’s Second and Third Things to celebrate the 90th birthday of Mr. Yang. I am happy to work with Mr. Yang for more than 20 years and are now writing about Structural Mechanics. I was a faculty member in 1952. Adjusted to the Bridge and Tunnel Department of Tangshan Railway Institute under the leadership of Mr. Yang engaged in structural mechanics teaching and research work.50 A major adjustment is to learn the Soviet Union for teaching