Influence of soil contaminated water on clogging phenomenon of different void based pervious concrete

IF 1.8 4区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY Magazine of Concrete Research Pub Date : 2024-07-24 DOI:10.1680/jmacr.24.00009

Nagesh Pratap Singh, G. Santha Kumar, S. Ganesh Kumar

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Abstract

In many circumstances, water passing through pervious concrete (PC) is contaminated with soil sediments. Hence, in such cases, the clogging of PC affects its functional characteristics and service life conditions. The clogging behaviour of different void based PC under the influence of soil-contaminated water is not yet clearly understood. This study explores the effect of using three different kinds of soil-contaminated water such as sand contaminated water, clayey silt contaminated water, and a mixture of sand and clayey silt contaminated water on the pore clogging phenomenon of different void based PC. Three different concentrations of soil contaminated water for each kind of PC were employed for carrying out clogging process in this present study. The clogging process was executed until reaching the minimum permeability level of the PC. This paper also elucidates the effectiveness of the washing process on the de-clogging behaviour of each clogged PC. In addition to this, various characteristics of different void-based PC, such as, strength, permeability, macroscopic pores distribution, and leaching parameters, were assessed. The outcomes of the experimental research work disseminate consensus behaviour of PC that would be helpful to provide a conceivable solution to develop the desirable performance of PC for wide applications.

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土壤污染水对不同空隙透水混凝土堵塞现象的影响

在许多情况下，通过透水混凝土（PC）的水都会受到土壤沉积物的污染。因此，在这种情况下，透水混凝土的堵塞会影响其功能特性和使用寿命。目前还不清楚不同空隙基 PC 在土壤污染水影响下的堵塞行为。本研究探讨了使用三种不同的土壤污染水（如砂污染水、粘质粉土污染水以及砂和粘质粉土混合污染水）对不同空隙基 PC 的孔隙堵塞现象的影响。在本研究中，每种 PC 都采用了三种不同浓度的土壤污染水进行堵塞处理。堵塞过程一直持续到 PC 的最小渗透性水平为止。本文还阐明了清洗过程对每种堵塞 PC 的去堵塞性能的影响。此外，还评估了不同空基 PC 的各种特性，如强度、渗透性、宏观孔隙分布和浸出参数。实验研究工作的成果就 PC 的行为达成了共识，这将有助于为 PC 的广泛应用提供一个可行的解决方案，以开发 PC 的理想性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Magazine of Concrete Research 工程技术-材料科学：综合

CiteScore

4.60

自引率

11.10%

发文量

102

审稿时长

5 months

期刊介绍： For concrete and other cementitious derivatives to be developed further, we need to understand the use of alternative hydraulically active materials used in combination with plain Portland Cement, sustainability and durability issues. Both fundamental and best practice issues need to be addressed. Magazine of Concrete Research covers every aspect of concrete manufacture and behaviour from performance and evaluation of constituent materials to mix design, testing, durability, structural analysis and composite construction.