Lateks sebagai bahan tambah kepada konkrit asfalt
Mixing a small quantity of latex into bitumen in the road surface construction was found to increase its age and strengths. It was found by mixing 6% latex into bitumen to be the optimum content to increase its age. However this mixture was too viscous and to the extent of reducing its workabilit...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
1997
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| Online Access: | http://journalarticle.ukm.my/1332/ http://www.ukm.my/jkukm/index.php/jkukm |
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| Summary: | Mixing a small quantity of latex into bitumen in the road surface construction was
found to increase its age and strengths. It was found by mixing 6% latex into bitumen
to be the optimum content to increase its age. However this mixture was too viscous
and to the extent of reducing its workability. In this Study, the characteristics of
concrete asphalt using 6% latex by weight of the bitumen were compared with the
natural bitumen and with the bitumen mixture comprising of 3% latex. The 3% latex
was chosen because Kuala Lumpur City Hall and Public Works Department have
fixed a 3% latex content in asphalt concrete pavement. Marshall specimens were
prepared for the three types of bitumen mixture and were tested and analysed. All
these specimens passed the Marshall stability tests. The 3% bitumen latex mixture has
increased the Marshall stability from 7.73 kN to 13.30 kN but has increased the
optimum bitumen content from 5.05% to 5.14% when compared to the natural
bitumen. Nonetheless, the 6% bitumen latex mixture has increased the Marshall
stability to 12.17% and has reduced its bitumen optimum content to 4.95% |
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