1976年5～6月间,我院和同济大学师生一起,进行了唐山开滦煤矿钱家营矿工业广场的工程地质勘察,对该场地的砂土液化问题作了研究和评价。时隔一个月,即同年7月28日,唐山、丰南一带发生了强烈地震, From May to June 1976, together with the teachers and students of Tongji University, the Institute carried out an engineering geological survey of the Qianjiaying Mine Industrial Plaza in the Tangshan Kaiyu Coal Mine, and made research and evaluation on the sand liquefaction problems at the site. One month later, on July 28 of the same year, a strong earthquake struck Tangshan and Fengnan.