工业固废制备透水砖及其孔结构研究进展  

Research Progress on the Preparation and Pore Structure Characteristics of Water-permeable Brick by Industrial Solid Waste

作　　者：叶强 YE Qiang(Zhejiang Tiandi Environmental Protection Engineering Co.,Ltd,Hangzhou 310000,China)

机构地区：[1]浙江天地环保科技有限公司,杭州310000

出　　处：《材料导报》2021年第S01期274-278,共5页Materials Reports

基　　金：国家重点研发计划(2017YFC0703103);浙江省能源集团项目(ZN-KJ-18-018)。

摘　　要：透水砖是一种新兴的路面砖,透水砖的铺设能够加强地表与地下水的交换,缓解城市的内涝灾害。近年来,出现了大量关于透水砖的制备及其使用特性等的相关研究。另一方面,随着工业化的不断发展,产生了大量的工业固体废弃物,如果处置不当,这些废弃物的堆存不仅占据大量宝贵的土地资源,还会给当地的土壤、大气及水环境带来极大的危害。而工业固废中包含大量的SiO_(2)、Al_(2)O_(3)等无机非金属氧化物,这些非金属氧化物是砖体制备中所常见的成分。因而,将工业固废经过处理后生产透水砖,既能减轻工业固废对环境的危害,又能节约透水砖的生产成本,能够带来环保及经济双重效益。目前已有大量利用工业固废制备环保透水砖的研究,但是由于工业固废种类繁多,特性不一,导致相关研究较为分散,亟需对这些研究的反应原理进行归纳总结,以便后续研究的深入进行。本文在阅读国内外有关工业固废制备环保透水砖的论文的基础上,从利用工业固废制备透水砖的原料特性、生产工艺、反应机理以及常用的表征方法等方面出发,总结了工业固废制备透水砖的研究进展。透水砖的孔隙结构是影响透水砖强度及透水性的重要因素,通过对透水砖孔隙结构的研究,可以从原理上为透水砖的生产提供依据。因而,本文重点对透水砖的孔隙结构的分布类型、形成机理、表征方法及在孔结构研究基础上进一步利用数值模拟方法研究透水砖的渗透性的数值模拟方法进行了归纳与总结。最后,基于目前工业固废制备环保透水砖及其孔结构的研究现状,总结了该领域的研究重点及发展前景。Water-permeable bricks are a new type of pavement bricks.The laying of permeable bricks can strengthen the exchange between the surface and groundwater and alleviate waterlogging disasters in the city.In recent years,there has been lots of related research on the pre-paration and using characteristics of permeable bricks.On the other hand,with the continuous development of industrialization,a large amount of industrial solid waste has been produced.If improperly disposed of,these wastes will not only occupy a large amount of valuable land resources,but also do harm to the local soil,atmosphere as well as water environment.On the other side,industrial solid waste contains a large amount of inorganic nonmetallic oxides such as SiO_(2) and Al_(2)O_(3),which are common components in the preparation of bricks.Therefore,producing permeable bricks use industrial solid waste can not only reduce the harm to environment,but also can save the production cost of permeable bricks,which can bring benefits both environmentally and economicly.There have been a large number of studies on the use of industrial solid waste to prepare environmental friendly permeable bricks.However,due to the wide variety of industrial solid wastes and their different characteristics,related studies are relatively scattered.It is urgent to summarize the reaction principles of these studies for further research.Based on relative papers domestic and foreigners,this article summarizes the aspects of raw material characteristics,production process,reaction mechanism and characterization methods for preparing permeable bricks from industrial solid waste.The pore structure of permeable bricks is an important factor affecting the strength and water permeability of permeable bricks.Research on the pore structure of permeable bricks can provide a basis for the production of permeable bricks.Therefore,this article focuses on the distribution type,formation mechanism,and characterization methods of the pore structure of permeable bricks,and numerical simulatio

关 键 词：工业固废 透水砖 孔结构 渗流模拟 

分 类 号：TU528.2[建筑科学—建筑技术科学]