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|Title:||Use of incinerator residue in asphalt mixtures|
|Authors:||Fwa, T.F. |
|Source:||Fwa, T.F.,Aziz, N.K. (1995-07). Use of incinerator residue in asphalt mixtures. Transportation Research Record (1515) : 64-71. ScholarBank@NUS Repository.|
|Abstract:||Earlier studies in Singapore on the use of incinerator residue in asphalt mixtures did not arrive at a satisfactory mix design to meet requirements of local road authority. This study reexamines the outstanding issues and performs a series of tests with the aim of arriving at an acceptable asphalt mix using incinerator residue as a partial replacement for the aggregate. Results of aggregate tests on the incinerator residue redirected the focus of the study to using incinerator residue as mineral fillers in the local standard mix. Mix design analysis and stability tests were performed to identify the mix formula that would meet the local specifications. Durability tests with respect to moisture resistance of compacted mix were also carried out. These tests led to the recommendation of using the portion of incinerator residue passing sieve size 0.3 mm to replace the corresponding sizes of granite aggregate in the standard local design mix. The modified mix provides improved stability to the standard local mix and offers better moisture-resistance properties. This utilization of incinerator residue represents about 35 percent by weight of the incineration plant residue discharge, thereby presenting a partial solution to the disposal problem of the waste material.|
|Source Title:||Transportation Research Record|
|Appears in Collections:||Staff Publications|
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