Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM)
Volume change in expansive soils is a problem encountered in earth work around the world. This is prominent with hydraulically bound structures or foundations subjected to prolonged moisture exposure. This behavior of clayey used as subgrade, foundation, landfill, or backfill materials causes undesi...
Main Authors: | , , , , , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2021-01-01
|
Series: | Advances in Materials Science and Engineering |
Online Access: | http://dx.doi.org/10.1155/2021/6688519 |
id |
doaj-e619632100694ee5ae51099be7f272f5 |
---|---|
record_format |
Article |
spelling |
doaj-e619632100694ee5ae51099be7f272f52021-02-22T00:01:21ZengHindawi LimitedAdvances in Materials Science and Engineering1687-84422021-01-01202110.1155/2021/6688519Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM)Kennedy C. Onyelowe0Michael E. Onyia1Diu Nguyen-Thi2Duc Bui Van3Eze Onukwugha4Haci Baykara5Ifeoma. I. Obianyo6Lam Dao-Phuc7Hyginus U. Ugwu8Department of Mechanical and Civil EngineeringDepartment of Civil EngineeringGeotechnical Engineering SectionResearch Group of Geotechnical EngineeringDepartment of Civil EngineeringNational,Laboratory of Thermal Testing for Building MaterialsDepartment of Material Science and EngineeringFaculty of Civil EngineeringDepartment of Mechanical EngineeringVolume change in expansive soils is a problem encountered in earth work around the world. This is prominent with hydraulically bound structures or foundations subjected to prolonged moisture exposure. This behavior of clayey used as subgrade, foundation, landfill, or backfill materials causes undesirable structural functionality and failures. To prevent this happening, clayey soils are studied for possible volume change potential and degree of expansion. Consequently, the problematic soils are stabilized. In this work, the stabilization of clayey highly expansive soil classified as A-7-6 soil and highly plastic with high clay content was conducted under laboratory conditions. The treatment exercise was experimented using quicklime-activated rice husk ash (QARHA), hydrated lime-activated rice husk ash (HARHA), and calcite-activated rice husk ash (CARHA) at the rates of 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, and 10%. Upon treatment with the three calcium compounds to produce three sets of treated experimental specimens, the plasticity index was observed and recorded and swelling potentials were evaluated using the plasticity index method (PIM). The results showed a consistent improvement on the properties of the treated soil with the addition of the different activated admixtures. While the utilization of CARHA and HARHA improved the clayey soil to medium expansive soil, the treated clayey soil substantially improved from highly expansive soil with a potential of 23.35% to less expansive with a final potential of 0.59% upon the addition of 10% QARHA. Finally, QARHA was adjudged as the best binding composite due to the highest rate of reduction recorded with its utilization.http://dx.doi.org/10.1155/2021/6688519 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Kennedy C. Onyelowe Michael E. Onyia Diu Nguyen-Thi Duc Bui Van Eze Onukwugha Haci Baykara Ifeoma. I. Obianyo Lam Dao-Phuc Hyginus U. Ugwu |
spellingShingle |
Kennedy C. Onyelowe Michael E. Onyia Diu Nguyen-Thi Duc Bui Van Eze Onukwugha Haci Baykara Ifeoma. I. Obianyo Lam Dao-Phuc Hyginus U. Ugwu Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM) Advances in Materials Science and Engineering |
author_facet |
Kennedy C. Onyelowe Michael E. Onyia Diu Nguyen-Thi Duc Bui Van Eze Onukwugha Haci Baykara Ifeoma. I. Obianyo Lam Dao-Phuc Hyginus U. Ugwu |
author_sort |
Kennedy C. Onyelowe |
title |
Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM) |
title_short |
Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM) |
title_full |
Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM) |
title_fullStr |
Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM) |
title_full_unstemmed |
Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM) |
title_sort |
swelling potential of clayey soil modified with rice husk ash activated by calcination for pavement underlay by plasticity index method (pim) |
publisher |
Hindawi Limited |
series |
Advances in Materials Science and Engineering |
issn |
1687-8442 |
publishDate |
2021-01-01 |
description |
Volume change in expansive soils is a problem encountered in earth work around the world. This is prominent with hydraulically bound structures or foundations subjected to prolonged moisture exposure. This behavior of clayey used as subgrade, foundation, landfill, or backfill materials causes undesirable structural functionality and failures. To prevent this happening, clayey soils are studied for possible volume change potential and degree of expansion. Consequently, the problematic soils are stabilized. In this work, the stabilization of clayey highly expansive soil classified as A-7-6 soil and highly plastic with high clay content was conducted under laboratory conditions. The treatment exercise was experimented using quicklime-activated rice husk ash (QARHA), hydrated lime-activated rice husk ash (HARHA), and calcite-activated rice husk ash (CARHA) at the rates of 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, and 10%. Upon treatment with the three calcium compounds to produce three sets of treated experimental specimens, the plasticity index was observed and recorded and swelling potentials were evaluated using the plasticity index method (PIM). The results showed a consistent improvement on the properties of the treated soil with the addition of the different activated admixtures. While the utilization of CARHA and HARHA improved the clayey soil to medium expansive soil, the treated clayey soil substantially improved from highly expansive soil with a potential of 23.35% to less expansive with a final potential of 0.59% upon the addition of 10% QARHA. Finally, QARHA was adjudged as the best binding composite due to the highest rate of reduction recorded with its utilization. |
url |
http://dx.doi.org/10.1155/2021/6688519 |
work_keys_str_mv |
AT kennedyconyelowe swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT michaeleonyia swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT diunguyenthi swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT ducbuivan swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT ezeonukwugha swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT hacibaykara swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT ifeomaiobianyo swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT lamdaophuc swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim AT hyginusuugwu swellingpotentialofclayeysoilmodifiedwithricehuskashactivatedbycalcinationforpavementunderlaybyplasticityindexmethodpim |
_version_ |
1714853103460679680 |