Prevention of Geo-Environmental Disasters caused by the Wastes

防治废弃物造成的地质环境灾害

基本信息

批准号：
05452240
负责人：
KAMON Masashi
金额：
$ 4.48万
依托单位：
KYOTO UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for General Scientific Research (B)
财政年份：
1993
资助国家：
日本
起止时间：
1993 至 1995
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-05452240/
关键词：
Waste Recycle Environmental Geotechnology Ground Improvement Construction Material

项目摘要

The subject of this research is on the utilization of waste materials through geotechnical stabilization method from the aspect of environmental geotechnology. Considering the present state on waste generation, a large amount of resources are consumed for the construction industry, while the waste disposal site has been limited. To recycle wastes is therefore required from the viewpoint of resource utilization and environmental preservation. The main results obtained are as follows ;1.The stabilization method for geotechnical waste utilization is evaluated on fluidized bed combustion coal fly ash, stainless-steel slag and municipal solid waste incinerated fly ash. Experimental studies clarifies that the coal ash and the slag can be utilized as geo-materials, and multiple use of cement and the coal ash as stabilizer can realize the stabilization of municipal solid waste incinerated fly ash.2.The utilization of waste sludge discharged from construction works is also evaluated. A system utilizing waste slurry which consists of dehydration or solidification is proposed, and it was found that density and viscosity of the slurry can be used as indexes of the criteria whether a slurry should be best treated by dehydration or solidification for recycling use.3.A new technical method, "Bagged WRP Method, " for utilizing waste rock powder is proposed. The Bagged WRP is more advantageous to the sunk-levee construction than the rock or concrete block because of its light weight, and can be effectively applied for levee construction and accompanied man-made tidal flat construction for environmental mitigation.4.The environmental impackt caused by the geotechnical recycling of surplus soil stabilized by cement is examined. Alkali migration characteristics from the tabilized soil is experimentally evaluated and the design concept forthe alkaline migration control is proposed.

这项研究的主题是关于从环境岩土学方面通过岩土稳定方法利用废料的。考虑到当前的废物产生状态，建筑行业消耗了大量资源，而废物处理地点是有限的。因此，从资源利用和环境保护的角度来看，需要回收废物。所获得的主要结果如下：1。在流化的床燃烧煤灰，不锈钢炉渣和市政固体废物焚化的粉煤灰上评估岩土工艺废物利用的稳定方法。实验研究澄清说，煤灰和炉渣可以用作地质物质，多种用作水泥和煤灰作为稳定剂可以意识到稳定市政固体废物焚化的粉煤灰。22。还评估了从建筑工程中排出的废物污泥的利用。提出了一种利用废物浆液的系统，该系统由脱水或固化组成，发现浆料的密度和粘度可以用作标准的索引，无论是脱水还是通过固化最好地治疗浆液或通过固化来回收使用。袋装的WRP比岩石或混凝土块更容易受到重量，因为其重量轻，因此可以有效地用于堤防结构，并伴随着人造的潮汐平坦结构，以缓解环境。实验评估了来自片状土壤的碱迁移特征，并提出了碱性迁移控制的设计概念。