The comparison of adding fly ash and Sinabung ash to limestone towards the soil improvement via CBR value
Fly ash is categorized as pollutant produced from coal combustion, where the waste produced is around 4% of the total coal usage. This will be extremely dangerous since this waste is produced continuously. Mount Sinabung, which is located in North Sumatera, Indonesia, has erupted since 2010 and rele...
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Published in | IOP conference series. Materials Science and Engineering Vol. 615; no. 1; pp. 12041 - 12047 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
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IOP Publishing
01.10.2019
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Abstract | Fly ash is categorized as pollutant produced from coal combustion, where the waste produced is around 4% of the total coal usage. This will be extremely dangerous since this waste is produced continuously. Mount Sinabung, which is located in North Sumatera, Indonesia, has erupted since 2010 and released a lot of ash pollution. Sinabung and fly ash can cause environmental and health problems for the people who live near the area. In the other hand, limestone is one of the building materials that can be used for soil improvement. When limestone with clay minerals reacts, it forms a strong and hard gel namely calcium silicate which can coat and bind clay particles and close the pore pores, so that it can reduce the soil plasticity index. This research analyzes the optimum CBR value and the optimum mixture. Variation of the mixture used was 2% and 4% limestone with the addition of 2%, 4%, 6%, 8%, 10%, 12% and 14% fly ash and 2% and 4% limestone with the addition of 2%, 4%, 6 %, 8%, 10%, 12% and 14% of Sinabung ash. The result shows that the mixture of limestone and Sinabung ash indicates the bigger value of CBR compared to the limestone and fly ash mixture. Furthermore, the largest CBR value was found in the mixture of 2% limestone and 8% Sinabung ash with 9.01%. |
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AbstractList | Abstract
Fly ash is categorized as pollutant produced from coal combustion, where the waste produced is around 4% of the total coal usage. This will be extremely dangerous since this waste is produced continuously. Mount Sinabung, which is located in North Sumatera, Indonesia, has erupted since 2010 and released a lot of ash pollution. Sinabung and fly ash can cause environmental and health problems for the people who live near the area. In the other hand, limestone is one of the building materials that can be used for soil improvement. When limestone with clay minerals reacts, it forms a strong and hard gel namely calcium silicate which can coat and bind clay particles and close the pore pores, so that it can reduce the soil plasticity index. This research analyzes the optimum CBR value and the optimum mixture. Variation of the mixture used was 2% and 4% limestone with the addition of 2%, 4%, 6%, 8%, 10%, 12% and 14% fly ash and 2% and 4% limestone with the addition of 2%, 4%, 6 %, 8%, 10%, 12% and 14% of Sinabung ash. The result shows that the mixture of limestone and Sinabung ash indicates the bigger value of CBR compared to the limestone and fly ash mixture. Furthermore, the largest CBR value was found in the mixture of 2% limestone and 8% Sinabung ash with 9.01%. Fly ash is categorized as pollutant produced from coal combustion, where the waste produced is around 4% of the total coal usage. This will be extremely dangerous since this waste is produced continuously. Mount Sinabung, which is located in North Sumatera, Indonesia, has erupted since 2010 and released a lot of ash pollution. Sinabung and fly ash can cause environmental and health problems for the people who live near the area. In the other hand, limestone is one of the building materials that can be used for soil improvement. When limestone with clay minerals reacts, it forms a strong and hard gel namely calcium silicate which can coat and bind clay particles and close the pore pores, so that it can reduce the soil plasticity index. This research analyzes the optimum CBR value and the optimum mixture. Variation of the mixture used was 2% and 4% limestone with the addition of 2%, 4%, 6%, 8%, 10%, 12% and 14% fly ash and 2% and 4% limestone with the addition of 2%, 4%, 6 %, 8%, 10%, 12% and 14% of Sinabung ash. The result shows that the mixture of limestone and Sinabung ash indicates the bigger value of CBR compared to the limestone and fly ash mixture. Furthermore, the largest CBR value was found in the mixture of 2% limestone and 8% Sinabung ash with 9.01%. |
Author | Roesyanto Hastuty, I P Rahman, A F |
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Cites_doi | 10.1080/24749508.2017.1361128 10.1007/978-3-662-12648-6 10.1080/19648189.2010.9693216 |
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References | Aboudi (MSE_615_1_012041bib2) 2017; 1 Utami (MSE_615_1_012041bib8) 2014; 9 Bowles (MSE_615_1_012041bib6) 1979 Das (MSE_615_1_012041bib5) 2004 (MSE_615_1_012041bib4) 2009 Robert (MSE_615_1_012041bib12) 2009; 1 Lambe (MSE_615_1_012041bib10) 1969 Silitonga (MSE_615_1_012041bib11) 2010; 14 Holtz (MSE_615_1_012041bib3) 2011 Hardiyatmo (MSE_615_1_012041bib13) 2002 Velde (MSE_615_1_012041bib1) 1995 Das (MSE_615_1_012041bib7) 1994 MSE_615_1_012041bib9 |
References_xml | – year: 1994 ident: MSE_615_1_012041bib7 contributor: fullname: Das – volume: 9 start-page: 1744 year: 2014 ident: MSE_615_1_012041bib8 article-title: Clay soil stabilization with lime effect the value CBR and swelling publication-title: ARPN J. Eng. Appl. Sci. contributor: fullname: Utami – year: 2002 ident: MSE_615_1_012041bib13 contributor: fullname: Hardiyatmo – volume: 1 start-page: 155 year: 2017 ident: MSE_615_1_012041bib2 article-title: Environmental characteristics of clay and clay-based minerals publication-title: Geol. Ecol. Landscapes doi: 10.1080/24749508.2017.1361128 contributor: fullname: Aboudi – year: 2011 ident: MSE_615_1_012041bib3 contributor: fullname: Holtz – year: 1979 ident: MSE_615_1_012041bib6 contributor: fullname: Bowles – year: 2009 ident: MSE_615_1_012041bib4 – year: 1995 ident: MSE_615_1_012041bib1 doi: 10.1007/978-3-662-12648-6 contributor: fullname: Velde – volume: 1 start-page: 209 year: 2009 ident: MSE_615_1_012041bib12 article-title: Soil Stabilization With Flyash and Rice Husk Ash publication-title: Int. J. Res. Rev. Appl. Sci. contributor: fullname: Robert – year: 2004 ident: MSE_615_1_012041bib5 contributor: fullname: Das – volume: 14 start-page: 253 year: 2010 ident: MSE_615_1_012041bib11 article-title: Utilization of fly ash for stabilization of marine dredged sediments publication-title: Eur. J. Environ. Civ. Eng. doi: 10.1080/19648189.2010.9693216 contributor: fullname: Silitonga – ident: MSE_615_1_012041bib9 – year: 1969 ident: MSE_615_1_012041bib10 contributor: fullname: Lambe |
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Snippet | Fly ash is categorized as pollutant produced from coal combustion, where the waste produced is around 4% of the total coal usage. This will be extremely... Abstract Fly ash is categorized as pollutant produced from coal combustion, where the waste produced is around 4% of the total coal usage. This will be... |
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SubjectTerms | Building materials Calcium silicates Clay minerals Construction materials Fly ash Limestone Pollutants Soil improvement Soil pollution Soils |
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Title | The comparison of adding fly ash and Sinabung ash to limestone towards the soil improvement via CBR value |
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