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Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan

Peat is known to be highly compressible in nature due to its extremely high content of organic matter. As such, it is never a suitable foundation soil for construction purpose. Under such condition, it is compelling to investigate the underlying binding action of suitable materials that can be susta...

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Main Author: Wong L.S.
Other Authors: 55504782500
Format: Conference Paper
Published: Trans Tech Publications Ltd 2023
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spelling my.uniten.dspace-220992023-05-16T10:47:22Z Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan Wong L.S. 55504782500 Peat is known to be highly compressible in nature due to its extremely high content of organic matter. As such, it is never a suitable foundation soil for construction purpose. Under such condition, it is compelling to investigate the underlying binding action of suitable materials that can be sustainably applied to stabilize the soil. The primary focus of this research article is to evaluate the effectiveness of rice husk ash as partial cement replacement in peat stabilization. Rice husk ash is basically a pozzolanic material which is produced by burning rice husk from the milling of paddy. Other than rice husk ash, Portland composite cement, calcium chloride, and silica sand were used as the materials for stabilizing the peat. An experimental based program was developed to gage the pertinent aspects that influenced the strength behavior of the stabilized peat. The strength behavior of the stabilized peat was evaluated on the basis of the results from unconfined compression tests. It was found from the test results that by partially replacing 10% of the cement with rice husk ash at an initial pressure of 50 kPa, binder dosage of 300 kg m-3, silica sand dosage of 596 kg m-3 and a curing time of 28 days, the required unconfined compressive strength of 345 kPa could be exceeded. The positive result confirmed the role of rice husk ash at imparting filler and pozzolanic effects that enhanced the strength of the stabilized peat. © (2014) Trans Tech Publications, Switzerland. Final 2023-05-16T02:47:22Z 2023-05-16T02:47:22Z 2014 Conference Paper 10.4028/www.scientific.net/AMM.567.545 2-s2.0-84903550680 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84903550680&doi=10.4028%2fwww.scientific.net%2fAMM.567.545&partnerID=40&md5=a22237816ad05bec7e3c975873511434 https://irepository.uniten.edu.my/handle/123456789/22099 567 545 550 Trans Tech Publications Ltd Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description Peat is known to be highly compressible in nature due to its extremely high content of organic matter. As such, it is never a suitable foundation soil for construction purpose. Under such condition, it is compelling to investigate the underlying binding action of suitable materials that can be sustainably applied to stabilize the soil. The primary focus of this research article is to evaluate the effectiveness of rice husk ash as partial cement replacement in peat stabilization. Rice husk ash is basically a pozzolanic material which is produced by burning rice husk from the milling of paddy. Other than rice husk ash, Portland composite cement, calcium chloride, and silica sand were used as the materials for stabilizing the peat. An experimental based program was developed to gage the pertinent aspects that influenced the strength behavior of the stabilized peat. The strength behavior of the stabilized peat was evaluated on the basis of the results from unconfined compression tests. It was found from the test results that by partially replacing 10% of the cement with rice husk ash at an initial pressure of 50 kPa, binder dosage of 300 kg m-3, silica sand dosage of 596 kg m-3 and a curing time of 28 days, the required unconfined compressive strength of 345 kPa could be exceeded. The positive result confirmed the role of rice husk ash at imparting filler and pozzolanic effects that enhanced the strength of the stabilized peat. © (2014) Trans Tech Publications, Switzerland.
author2 55504782500
author_facet 55504782500
Wong L.S.
format Conference Paper
author Wong L.S.
spellingShingle Wong L.S.
Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
author_sort Wong L.S.
title Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
title_short Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
title_full Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
title_fullStr Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
title_full_unstemmed Unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
title_sort unconfined compressive strength performance of cement stabilized peat with rice husk ash as a pozzolan
publisher Trans Tech Publications Ltd
publishDate 2023
_version_ 1806426425645858816
score 13.222552

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