预拌固化土的原理及工程应用前景  

Principle of ready-mixed solidified soil and its prospects for engineering application

作　　者：周永祥 王继忠[3] ZHOU Yongxiang;WANG Jizhong(China Academy of Building Research,Beijing 100031,China;State Key Laboratory of Building Safety and Environment,Beijing 100031,China;Beijing Puissant Group,Beijing 100000,China)

机构地区：[1]中国建筑科学研究院有限公司,北京100031 [2]建筑安全与环境国家重点实验室,北京100031 [3]北京波森特岩土工程有限公司,北京100000

出　　处：《新型建筑材料》2019年第10期117-120,共4页New Building Materials

基　　金：国家十三五重点研发计划课题（2018YFD1101002）

摘　　要：阐述了固化土及预拌固化土的概念、岩土固化剂的开发与配制原则,指出了预拌固化土是一种质量可控、低强度、绿色环保的新型岩土工程材料,总结了预拌流态固化土的抗压强度、抗渗性能、收缩等基本性能,论述了预拌固化土可以显著节省人工成本,能够协同处置工程泥浆在内的渣土类建筑垃圾、低品质工业固废等大宗固废,可用于管廊等市政工程的填筑、临时地坪硬化、道路工程和地基工程等。可以预见,预拌固化土作为一种性能优良、绿色环保的新型工程材料,因其强大的包容性和广泛的适应性,具有广阔的应用前景,将成为“无废城市”的一个配套性解决方案。Expounding the concepts of solidified soil and ready-mixed solidified soil,the development as well as mixing principle of geotechnical curing agent,this literature points out that ready-mixed solidified soil is a new geo-material with controllable quality,low strength and green environment protection,while summarizes its basic performance such as compressive strength,impermeability and shrinkage characteristics.At the same time,it is discussed that the application of ready-mixed solidified soil in backfilling of pipe gallery of municipal engineering,hardening of temporary floor,road engineering and foundation engineering could save the labor cost obviously and assist to handle large-scale solid waste such as muck construction waste and low-grade industrial solid waste.And it can be predicted that due to its strong inclusiveness and wide adaptability,ready-mixed solidified soil,as a new type of engineering material with excellent performance and green environmental protection,will become the key to supporting solution for"waste-free city".

关 键 词：预拌固化土 岩土固化剂 渣土 低品质固废 基槽回填 

分 类 号：TU472[建筑科学—结构工程]