泥浆零排放处理技术及分离土的工程特性研究

张忠苗; 房凯; 王智杰; 骆嘉成

泥浆零排放处理技术及分离土的工程特性研究 English Version

1. 浙江大学岩土工程研究所，浙江杭州 310058 ； 2. 温州浙南地质工程有限公司，浙江温州 325006

详细信息

作者简介:
张忠苗 (1961 – ) ，男，浙江宁海人，博士，教授，博士生导师，主要从事基础工程与桩基础的研究、教学、检测工作。

中图分类号: TU41
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- 发布日期: 2011-09-14

Zero discharge treatment technology for slurry and engineering properties of separated soil

(1. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China; 2. Wenzhou South Zhejiang Geological Engineering Co., Ltd., Wenzhou 325006, China)

摘要

摘要: 建筑垃圾已经引起社会越来越多的关注，针对城市建设中泥浆处理所面临的难题，介绍了一种工程钻孔泥浆处理技术，该分离技术以实现污染物零排放为目的，包括泥浆净化，化学絮凝和压滤处理 3 部分，经过处理，泥浆成功分离为土和水；对经过泥水分离后的土的物理力学特性以及土的微观结构进行了分析，结果表明分离土结构致密，压缩模量达到 23 MPa ，计算承载力是沉渣土的 7 倍，说明泥浆分离后有良好的强度和变形特性，已由工程垃圾变为工程材料，具备了再次利用的可能，分离的砂可用于砂浆制备，分离的土饼可用于回填、制砖等。
- 泥浆 /
- 固液分离 /
- 再利用 /
- 工程特性
Abstract: Construction wastes have attracted more and more public attention with the development of the urban construction. A waste drilling slurry treatment process is introduced to solve the problem of slurry treatment. The process, with the aim of zero discharge of pollutants, includes three steps: slurry purification, flocculation and pressure filtration, after which the slurry is separated into soil and water. The engineering properties and microstructure of the separated soil are studied. The experimental results show that the separated soil, with a compact structure, has a modulus of compressibility of 23 MPa and a calculated bearing capacity seven times that of the sediment. It is demonstrated that the separated soil has good properties of deformation and strength. Thus, the waste slurry has changed from the construction waste to the construction material and can be recycled. The separated sand can be used as the raw material for cement mortar while the separated soil can be used for backfill or brick production.
- slurry /
- solid-liquid separation /
- recycle /
- engineering property

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参考文献(16)

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文章访问数: 1321
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泥浆零排放处理技术及分离土的工程特性研究 English Version

作者简介: 张忠苗 (1961 – ) ，男，浙江宁海人，博士，教授，博士生导师，主要从事基础工程与桩基础的研究、教学、检测工作。

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出版历程

Zero discharge treatment technology for slurry and engineering properties of separated soil

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出版历程

目录

作者简介:
张忠苗 (1961 – ) ，男，浙江宁海人，博士，教授，博士生导师，主要从事基础工程与桩基础的研究、教学、检测工作。