施工技术 2011年5月下 74 CONSTRUCTION TECHNOLOGY 第40卷第341期 泡沫轻质土充填技术及应用 陈忠平，孙仲均2，钱争晖3 (1.广州大学工程材料研究所，广末广州511440；2.中国建筑科学研究院，北京100013； 3 北京市热力集团，北京100026) [摘要]试验研究和工程实践表明，泡沫轻质土具有稳定物理力学性能和良好施工性，目前已在采空区充填、道路 加宽、软弱地基处理基坑及管线回填和工程应急抢险等方面得到广泛应用.详细介绍了泡沫轻质土的原材料与 制作，及其优点和特性，最后提出在某些实际工程中应用效果显著. 【关键词]泡沫；轻质土：充填材料：地基处理 [中图分类号]TU521.3 [文献标识码]A [文章编号]1002-8498(2011)10-0074-03 Filling Technology and Application of Foamed Light-weight Soil Chen Zhongping' Sun Zhongjun2 Qian Zhenghui' (1.Institute of Materials Engineering.Guangzhou University Guangzhou Guangdong 511440 China; 2.China Academy of Building Researeh Beijing 100013 China;3.Bejing District Heating Group Bejing 100026 China) Abstract:The project experience and test research show that foamed light-weight soil has a stable physical mechanical properties and good workability.For the good characteristics of foamed light-weight soil many projects such as goaf filling road widening soft foundation treatment foundation excavation and pipes backfilling project emergency treatment choose this material.The making and raw materials of foamed light-weight soil and its advantages and characteristics are introduced in detail.Some examples are cited to show that foamed light-weight soil has a good effect. Key words:foam light-weight soil;filling material;foundation treatment 1泡沫轻质土的原材料与制作 拌合水不应含有影响泡沫稳定性、泡沫轻质土 泡沫轻质土是用物理方法将发泡剂水溶液制备强度及耐久性的有机物、油污等杂质. 成泡沫，与必须组分水泥基胶凝材料、水及可选组分 发泡剂应符合下列要求：①对环境应无不良影 骨料、接和料、外加剂等按一定比例混合搅拌，并经响，宜采用界面活性类发泡剂；②在℃以上的温度 物理化学作用硬化形成的一种轻质材料.制作泡...
泡沫轻质土充填技术及应用.pdf
