Properties of Concrete Containing Recycled Fine Aggregate and fly ash
This paper reports the properties of concrete containing recycled fine aggregate (RFA) and fly ash (FA) obtained from local source in Perth, Western Australia (WA). This study is consisted of two parts. In the first part, the properties of concrete containing 25, 50, 75 and 100% (by wt.) replacement...
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| Format: | Conference Paper |
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The Concrete Institute of Australia
2011
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| Online Access: | http://hdl.handle.net/20.500.11937/20323 |
| _version_ | 1848750273813544960 |
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| author | Ahmed, Shaikh |
| author2 | Not listed |
| author_facet | Not listed Ahmed, Shaikh |
| author_sort | Ahmed, Shaikh |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | This paper reports the properties of concrete containing recycled fine aggregate (RFA) and fly ash (FA) obtained from local source in Perth, Western Australia (WA). This study is consisted of two parts. In the first part, the properties of concrete containing 25, 50, 75 and 100% (by wt.) replacement of natural fine aggregate (NFA) with RFA are considered. In the second part, the effect of class F fly ash as partial replacement of cement on the properties of recycled concretes containing 25% and 50% RFA are evaluated. The fly ash is used as 30% and 40% replacement of cement. The properties of concrete evaluated are the compressive strength, indirect tensile strength, flexural strength and water absorption. All properties are measured at 7, 28 and 56 days. The results show that, better compressive, tensile and flexural strength of concrete can be obtained in recycled aggregate concretes containing upto 50% RFA as partial replacement of NFA. However, in the case of recycled aggregate concretes containing 30% and 40% fly ash the compressive strength is increase at 56 days and both compressive strength and tensile strengths are decreased at early ages. The flexural strength is increased in recycled aggregate concrete containing fly ash. It is observed that the water absorption is increased as RFA content increased. It is also observed that the water absorption is decreased significantly in recycled aggregate concretes containing fly ash at 56 days. |
| first_indexed | 2025-11-14T07:34:13Z |
| format | Conference Paper |
| id | curtin-20.500.11937-20323 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T07:34:13Z |
| publishDate | 2011 |
| publisher | The Concrete Institute of Australia |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-203232017-01-30T12:18:35Z Properties of Concrete Containing Recycled Fine Aggregate and fly ash Ahmed, Shaikh Not listed fly ash flexural strength recycled fine aggregate water absorption tensile strength compressive strength This paper reports the properties of concrete containing recycled fine aggregate (RFA) and fly ash (FA) obtained from local source in Perth, Western Australia (WA). This study is consisted of two parts. In the first part, the properties of concrete containing 25, 50, 75 and 100% (by wt.) replacement of natural fine aggregate (NFA) with RFA are considered. In the second part, the effect of class F fly ash as partial replacement of cement on the properties of recycled concretes containing 25% and 50% RFA are evaluated. The fly ash is used as 30% and 40% replacement of cement. The properties of concrete evaluated are the compressive strength, indirect tensile strength, flexural strength and water absorption. All properties are measured at 7, 28 and 56 days. The results show that, better compressive, tensile and flexural strength of concrete can be obtained in recycled aggregate concretes containing upto 50% RFA as partial replacement of NFA. However, in the case of recycled aggregate concretes containing 30% and 40% fly ash the compressive strength is increase at 56 days and both compressive strength and tensile strengths are decreased at early ages. The flexural strength is increased in recycled aggregate concrete containing fly ash. It is observed that the water absorption is increased as RFA content increased. It is also observed that the water absorption is decreased significantly in recycled aggregate concretes containing fly ash at 56 days. 2011 Conference Paper http://hdl.handle.net/20.500.11937/20323 The Concrete Institute of Australia fulltext |
| spellingShingle | fly ash flexural strength recycled fine aggregate water absorption tensile strength compressive strength Ahmed, Shaikh Properties of Concrete Containing Recycled Fine Aggregate and fly ash |
| title | Properties of Concrete Containing Recycled Fine Aggregate and fly ash |
| title_full | Properties of Concrete Containing Recycled Fine Aggregate and fly ash |
| title_fullStr | Properties of Concrete Containing Recycled Fine Aggregate and fly ash |
| title_full_unstemmed | Properties of Concrete Containing Recycled Fine Aggregate and fly ash |
| title_short | Properties of Concrete Containing Recycled Fine Aggregate and fly ash |
| title_sort | properties of concrete containing recycled fine aggregate and fly ash |
| topic | fly ash flexural strength recycled fine aggregate water absorption tensile strength compressive strength |
| url | http://hdl.handle.net/20.500.11937/20323 |