Strength properties of untreated coal bottom ash as cement replacement
Coal Bottom Ash (CBA) is a mineral by-product of thermal power plants obtained from the combustion of coal. In many countries, CBA wastes are identified as hazardous materials. The utilization of CBA can help in alleviating environmental problems; thus, this research was carried out to explore the p...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Universitas Gadjah Mada
2020
|
| Subjects: | |
| Online Access: | http://eprints.uthm.edu.my/4983/1/AJ%202020%20%2860%29.pdf |
| _version_ | 1825709943226892288 |
|---|---|
| author | Baco, Noraziela Syahira Shahidan, Shahiron Mohd Zuki, Sharifah Salwa Ali, Noorwirdawati Mohammad Azmi, Mohamad Azim |
| author_facet | Baco, Noraziela Syahira Shahidan, Shahiron Mohd Zuki, Sharifah Salwa Ali, Noorwirdawati Mohammad Azmi, Mohamad Azim |
| author_sort | Baco, Noraziela Syahira |
| collection | UTHM |
| description | Coal Bottom Ash (CBA) is a mineral by-product of thermal power plants obtained from the combustion of coal. In many countries, CBA wastes are identified as hazardous materials. The utilization of CBA can help in alleviating environmental problems; thus, this research was carried out to explore the possibility of its use as cement replacement in concrete manufacturing. Presently, In Malaysia, research that concerns about the use of CBA as cement replacement is very limited. Therefore, this study was aimed to investigate the properties of CBA as cement replacement and to identify the optimum percentage of untreated CBA as cement replacement. The CBA used in this study were taken from the Tanjung Bin power plant. In this research, the amount of CBA in the concrete mixture varied from 20% to 40% to replace cement. The properties of concrete containing CBA as cement replacement was examined through slump test, sieve analysis, concrete compressive strength test and splitting tensile strength test. The compressive strength test and splitting tensile strength test were performed at 7 and 28 days of curing time. Based on this research, it can be concluded that the optimum percentage of CBA as cement replacement is 25% for a curing time of both 7 and 28 days with the concrete compression strength of 45.2 MPa and 54.6 MPa, respectively. Besides, the optimum percentage for tensile strength is also at 25% CBA for a curing period of both 7 and 28 days with the tensile strength of 2.91 MPa and 3.28 MPa, respectively. |
| first_indexed | 2024-03-05T21:50:04Z |
| format | Article |
| id | uthm.eprints-4983 |
| institution | Universiti Tun Hussein Onn Malaysia |
| language | English |
| last_indexed | 2024-03-05T21:50:04Z |
| publishDate | 2020 |
| publisher | Universitas Gadjah Mada |
| record_format | dspace |
| spelling | uthm.eprints-49832022-01-03T02:44:12Z http://eprints.uthm.edu.my/4983/ Strength properties of untreated coal bottom ash as cement replacement Baco, Noraziela Syahira Shahidan, Shahiron Mohd Zuki, Sharifah Salwa Ali, Noorwirdawati Mohammad Azmi, Mohamad Azim T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials Coal Bottom Ash (CBA) is a mineral by-product of thermal power plants obtained from the combustion of coal. In many countries, CBA wastes are identified as hazardous materials. The utilization of CBA can help in alleviating environmental problems; thus, this research was carried out to explore the possibility of its use as cement replacement in concrete manufacturing. Presently, In Malaysia, research that concerns about the use of CBA as cement replacement is very limited. Therefore, this study was aimed to investigate the properties of CBA as cement replacement and to identify the optimum percentage of untreated CBA as cement replacement. The CBA used in this study were taken from the Tanjung Bin power plant. In this research, the amount of CBA in the concrete mixture varied from 20% to 40% to replace cement. The properties of concrete containing CBA as cement replacement was examined through slump test, sieve analysis, concrete compressive strength test and splitting tensile strength test. The compressive strength test and splitting tensile strength test were performed at 7 and 28 days of curing time. Based on this research, it can be concluded that the optimum percentage of CBA as cement replacement is 25% for a curing time of both 7 and 28 days with the concrete compression strength of 45.2 MPa and 54.6 MPa, respectively. Besides, the optimum percentage for tensile strength is also at 25% CBA for a curing period of both 7 and 28 days with the tensile strength of 2.91 MPa and 3.28 MPa, respectively. Universitas Gadjah Mada 2020 Article PeerReviewed text en http://eprints.uthm.edu.my/4983/1/AJ%202020%20%2860%29.pdf Baco, Noraziela Syahira and Shahidan, Shahiron and Mohd Zuki, Sharifah Salwa and Ali, Noorwirdawati and Mohammad Azmi, Mohamad Azim (2020) Strength properties of untreated coal bottom ash as cement replacement. Journal of Civil Engineering Forum, 6 (1). pp. 13-18. ISSN 25495925 https://dx.doi.org/ 10.22146/jcef.47657 |
| spellingShingle | T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials Baco, Noraziela Syahira Shahidan, Shahiron Mohd Zuki, Sharifah Salwa Ali, Noorwirdawati Mohammad Azmi, Mohamad Azim Strength properties of untreated coal bottom ash as cement replacement |
| title | Strength properties of untreated coal bottom ash as cement replacement |
| title_full | Strength properties of untreated coal bottom ash as cement replacement |
| title_fullStr | Strength properties of untreated coal bottom ash as cement replacement |
| title_full_unstemmed | Strength properties of untreated coal bottom ash as cement replacement |
| title_short | Strength properties of untreated coal bottom ash as cement replacement |
| title_sort | strength properties of untreated coal bottom ash as cement replacement |
| topic | T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials |
| url | http://eprints.uthm.edu.my/4983/1/AJ%202020%20%2860%29.pdf |
| work_keys_str_mv | AT baconorazielasyahira strengthpropertiesofuntreatedcoalbottomashascementreplacement AT shahidanshahiron strengthpropertiesofuntreatedcoalbottomashascementreplacement AT mohdzukisharifahsalwa strengthpropertiesofuntreatedcoalbottomashascementreplacement AT alinoorwirdawati strengthpropertiesofuntreatedcoalbottomashascementreplacement AT mohammadazmimohamadazim strengthpropertiesofuntreatedcoalbottomashascementreplacement |