A Review of Advances in Peat Soil Stabilisation Technology: Exploring the Potential of Palm Oil Fuel Ash Geopolymer as a Soil Stabiliser Material

Q3 Engineering

Open Civil Engineering Journal Pub Date : 2023-08-01 DOI:10.28991/cej-2023-09-08-017

A. Amaludin, H. Asrah, H. Mohamad

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引用次数: 1

Abstract

This study aims to highlight the latest developments in the field of peat soil stabilisation technology via chemical stabilisation. The review examines the use of traditional stabilisers such as OPC and various non-traditional stabiliser materials, i.e., Palm Oil Fuel Ash (POFA)-OPC blends, chemical solutions, and geopolymer materials, to enhance the Unconfined Compressive Strength (UCS) characteristics of peat soils based on the ASTM D 4609 requirements. OPC, POFA-OPC blends, and alkaline solutions mostly produced stabilised soil samples that fell short of the ASTM requirements. Existing studies on the use of waste-derived geopolymers to treat peat soils are limited, while the use of POFA geopolymer materials has mostly focused on the improvement of clayey and silty soils. The results of soil stabilisation with geopolymer were very encouraging, as the strength gains were in line with the ASTM soil strength requirements. As a result of this review, it can be concluded that POFA geopolymer is a viable soil stabiliser material with the addition of Ground Granulated Blast Furnace Slag, and that the use of POFA-GGBFS geopolymer to enhance the strength properties of peat soils should be investigated. Doi: 10.28991/CEJ-2023-09-08-017 Full Text: PDF

查看原文本刊更多论文

泥炭土壤稳定技术研究进展:棕榈油燃料灰分地聚合物作为土壤稳定材料的潜力探索

本研究旨在重点介绍泥炭土化学稳定技术领域的最新进展。根据ASTM D 4609的要求，该综述考察了传统稳定剂(如OPC)和各种非传统稳定剂材料(如棕榈油燃料灰(POFA)-OPC混合物、化学溶液和地聚合物材料)的使用，以提高泥炭土的无侧限抗压强度(UCS)特性。OPC, POFA-OPC混合物和碱性溶液大多产生稳定的土壤样品，不符合ASTM的要求。现有的利用废物源地聚合物处理泥炭土的研究有限，而利用POFA地聚合物材料主要集中在粘土和粉质土壤的改善上。使用地聚合物稳定土壤的结果非常令人鼓舞，因为强度增益符合ASTM土壤强度要求。综上所示，POFA- ggbfs地聚合物是一种可行的土壤稳定材料，并可进一步研究使用POFA- ggbfs地聚合物增强泥炭土的强度特性。Doi: 10.28991/CEJ-2023-09-08-017全文:PDF

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来源期刊

Open Civil Engineering Journal Engineering-Civil and Structural Engineering

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： The Open Civil Engineering Journal is an Open Access online journal which publishes research, reviews/mini-reviews, letter articles and guest edited single topic issues in all areas of civil engineering. The Open Civil Engineering Journal, a peer-reviewed journal, is an important and reliable source of current information on developments in civil engineering. The topics covered in the journal include (but not limited to) concrete structures, construction materials, structural mechanics, soil mechanics, foundation engineering, offshore geotechnics, water resources, hydraulics, horology, coastal engineering, river engineering, ocean modeling, fluid-solid-structure interactions, offshore engineering, marine structures, constructional management and other civil engineering relevant areas.