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(一)前言我国公路工程设计准则从制定以来使用已经多年,在实践过程中,根据党和国家的方针政策曾做过二次修订,因而内容逐渐充实,在各个时期的公路建设任务中,起到了指导作用。1958年在全党全民办交通的正确方针下,公路交通建设获得了蓬勃发展。全国各地掀起了群众性的运输和筑路运动,取得了巨大成绩。但是在各地积极推广了汽车列车运输和大量民间运输车辆上路以后,已经普遍感觉
(I) Preface China’s highway engineering design guidelines have been used for many years since they were formulated. During the course of their practice, they have been revised twice according to the guidelines and policies of the Party and the state. As a result, their contents have been gradually enriched. In terms of road construction tasks in various periods, To the guiding role. In 1958, under the correct guideline of all-party private transportation by the entire party, the construction of highway traffic had enjoyed a booming development. Mass transport and road building movements have been launched across the country and great achievements have been made. However, after actively promoting the automobile train transportation and a large number of non-governmental transport vehicles on roads, it has been generally felt