一、前言用无纺土工纤维布加固铁路路基是一种新技术,尤其是在整治和预防路基基床病害更为理想。在国外自七十年代开始,这种材料已被广泛的应用于铁路、公路、水利、港口等建筑工程中。我院从1979年开始和有关单位共同进行了既有线路基病害的调查工作。同时收集各国有关情报资料结合我国具体情况,与纺织系统配台,研制了几个不同品种的无纺土工纤维 First, the preface Non-woven geotextile reinforcement of railway embankment is a new technology, especially in the remediation and prevention of subgrade bed disease is more ideal. In foreign countries since the seventies, this material has been widely used in railway, highway, water conservancy, ports and other construction projects. Our hospital from 1979 and the relevant units jointly carried out the investigation of the existing line-based disease. At the same time, collecting relevant intelligence information of various countries combined with the specific conditions in our country and cooperating with the textile system, we have developed several different varieties of non-woven geotextiles