Hassan, Azmi and Suffian, Zulakmal (2008) Speciality mixes in the new Malaysian public work department road specification. In: Highway Materials And Construction. Penerbit UTM, Johor, pp. 1-17. ISBN 978-983-52-0574-3
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The flexible pavement structure in Malaysia consists typically of bituminous surfacing, granular road base, drainage sub-base and the formation subgrade. The pavement structure is designed in accordance to the Arahan Teknik (Jalan) 5/85 (1) which is adapted from the AASHO (American Association Of State Highway Officials) Road Test. Asphaltic concrete mix has been introduced as the bituminous surfacing in the 80’s, both as the wearing and binder course. Designed using the Marshall Method (2), asphaltic concrete was preferred over the Bituminous Macadam surfacing, a recipe mix, as the latter exhibited several unacceptable distress patterns such as raveling and early development of cracks. Surface dressing was another common surfacing used mainly for FELDA and FELCRA settlement roads. Surface dressing is normally designed using the Road Note No. 3 of the Transport Research Laboratory, United Kingdom. (3). All bituminous mixes play a similar and very important role in road pavement construction, i.e. providing a hard and impermeable layer to the road pavement. The “hard” layer prevents undue deformation in the unbound layers when subject to traffic loading. The impermeable asphalt bound layer also prevents water from reaching the lower layers of the pavement structure thereby weakening the layers.
|Item Type:||Book Section|
|Uncontrolled Keywords:||public work, road specification|
|Subjects:||T Technology > T Technology (General)|
T Technology > TA Engineering (General). Civil engineering (General)
|Deposited By:||Fazli Masari|
|Deposited On:||30 Jul 2012 04:11|
|Last Modified:||05 Feb 2017 01:00|
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