Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths
This study was conducted to investigate the performance of jointing sand of interlocking concrete block pavement using different slopes and joint widths. A laboratory scale model of 1.2×0.6 (m 2) was built and concrete blocks (quadpave) of 200×100×60 (mm 3) were used as a surface layer. The width of...
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Universiti Kebangsaan Malaysia
2012
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my.utm.471422019-01-28T03:54:27Z http://eprints.utm.my/id/eprint/47142/ Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths Md. Yusoff, Nur Izzi Hainin, Mohd. Rosli Md. Nor, Hasanan TA Engineering (General). Civil engineering (General) This study was conducted to investigate the performance of jointing sand of interlocking concrete block pavement using different slopes and joint widths. A laboratory scale model of 1.2×0.6 (m 2) was built and concrete blocks (quadpave) of 200×100×60 (mm 3) were used as a surface layer. The width of the joint between concrete blocks used for testing varies from 2, 4 and 6 mm, with slopes of 0, 5, 10 and 15%. Pull out test was performed for each condition. The results show that the 2 mm joint width was found suitable to be used on the steep road. It is shown that the interlocking behaviour of concrete blocks decreases when the slope is increased. The forces needed to dislodge concrete blocks from its place become smaller as the joint width gets larger. The presence of small amount of water helps the jointing sand compressed but greater amount of it will cause erosion particularly at steeper slope. It is suggested to use the maximum slope of 10% for interlocking concrete block pavement to avoid sand erosion from the joints and subsequently decrease the interlock behaviour between concrete blocks. Universiti Kebangsaan Malaysia 2012 Article PeerReviewed Md. Yusoff, Nur Izzi and Hainin, Mohd. Rosli and Md. Nor, Hasanan (2012) Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths. Sains Malaysiana, 41 (1). ISSN 0126-6039 |
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TA Engineering (General). Civil engineering (General) Md. Yusoff, Nur Izzi Hainin, Mohd. Rosli Md. Nor, Hasanan Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
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This study was conducted to investigate the performance of jointing sand of interlocking concrete block pavement using different slopes and joint widths. A laboratory scale model of 1.2×0.6 (m 2) was built and concrete blocks (quadpave) of 200×100×60 (mm 3) were used as a surface layer. The width of the joint between concrete blocks used for testing varies from 2, 4 and 6 mm, with slopes of 0, 5, 10 and 15%. Pull out test was performed for each condition. The results show that the 2 mm joint width was found suitable to be used on the steep road. It is shown that the interlocking behaviour of concrete blocks decreases when the slope is increased. The forces needed to dislodge concrete blocks from its place become smaller as the joint width gets larger. The presence of small amount of water helps the jointing sand compressed but greater amount of it will cause erosion particularly at steeper slope. It is suggested to use the maximum slope of 10% for interlocking concrete block pavement to avoid sand erosion from the joints and subsequently decrease the interlock behaviour between concrete blocks. |
| format |
Article |
| author |
Md. Yusoff, Nur Izzi Hainin, Mohd. Rosli Md. Nor, Hasanan |
| author_facet |
Md. Yusoff, Nur Izzi Hainin, Mohd. Rosli Md. Nor, Hasanan |
| author_sort |
Md. Yusoff, Nur Izzi |
| title |
Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
| title_short |
Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
| title_full |
Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
| title_fullStr |
Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
| title_full_unstemmed |
Jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
| title_sort |
jointing sand characteristics of interlocking concrete block pavements at different slopes and joint widths |
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Universiti Kebangsaan Malaysia |
| publishDate |
2012 |
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http://eprints.utm.my/id/eprint/47142/ |
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1643652244810235904 |
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13.211869 |