二、前言 我国新型轨下基础,主要指的是宽轨枕线路、整体道床及沥青道床。1974年9月在成都召开了全路整体道床和轨枕板经验交流会,对我国新型轨下基础工作起了推动作用。1982年6月在新乡召开了新型轨下基础技术交流会。自1974年到现在,许多单位都做了大量的工作。轨枕板(宽轨枕)线路已经鉴定了,整体道床在这几年由于种种原因,发展缓慢,但现场在 Second, the preface China’s new rail foundation, mainly refers to the wide sleepers line, the overall track bed and asphalt road bed. September 1974 held in Chengdu, the whole road bed and sleeper experience exchange board, the new base of China’s railroad played a catalytic role. In 1982 June in Xinxiang held a new basement technology exchange. Since 1974, many units have done a great deal of work. The rail sleeper (wide sleeper) line has been identified, the overall track bed in recent years due to various reasons, the slow development, but the scene at