泡沫轻质土在公路改扩建中的应用.docx

PAGE II 摘 要 泡沫轻质土是发泡剂水溶液经过气泡机的发泡系统生成泡沫，然后与水泥浆、外加剂、填充料等按照特定比例混合均匀，经过物理作用、化学作用、自然养护形成的一种轻质工程材料。这种材料可以形象地理解为是水泥浆或水泥砂浆与泡沫均匀混合而成的，该材料有着较好的轻质性、流动性、强度、自立性、施工方便、保温隔热、环保等诸多综合优势，其核心应用在于代替常规填土或替代常规填充工程材料，常被用在道路扩建等诸多工程领域。本研究根据室内试验研究和工程实践，探究泡沫轻质土力学、动力等性能，并根据实际工程中的应用分析泡沫轻质土的施工工艺，为该技术在我国工程上得到广泛应用打下基础。 关键词：泡沫轻质土；公路改扩建；应用 Abstract Foam light soil is the foaming agent water solution through the bubble machine foaming system to produce foam, and then with cement slurry, admixture, filler and so on according to a specific proportion of mixing evenly, through physical action, chemical action, natural conservation of a lightweight engineering material. This material can be vividly understood as water slurry or cement mortar and foam evenly mixed, the material has a good lightweight, fluidity, strength, self-reliance, construction convenience, thermal insulation, environmental protection and many other comprehensive advantages, its core application is to replace conventional filling or replacement of conventional filling engineering materials, It is often used in many engineering fields, such as road expansion. According to the laboratory Test research and engineering practice, this study explores the properties of foam lightweight soil mechanics and power, and analyzes the construction technology of foam lightweight soil according to the application in practical engineering, which lays a foundation for the wide application of this technology in engineering in China. Key words: foam light soil; highway reconstruction and expansion; application PAGE 18 目 录 TOC \o 1-3 \h \z \u 1绪论 1 1.1研究背景及意义 1 1.2国内外研究现状 2 2泡沫轻质土的定义、特性及应用 5 2.1泡沫轻质土的定义及特性 5 2.2泡沫轻质土的应用范围 7 3泡沫轻质土在公路改扩建中的应用——以XX公路为例 9 3.1工程概况 9 3.2特殊路基加宽 9 3.3桥头台后回填 10 3.4社会与环境效益分析 10 4泡沫轻质土在公路改扩建中的应用总结 12 4.1路基加宽 12 4.2桥头跳车问题 12 4.3陡坡路段的填筑 13 4.4路基上路堤填筑材料 13 5结论 15 参考文献 16 致 谢 18 郑州成功财经学院本科毕业论文（设计） 1绪论 1.1研究背景及意义 区域经济的发展依赖于交通运输的蓬勃发展，交通运输是其发展的基础，由此产生了各种各样的交通运输方式，如公路、铁路、水