Prevention of Early Life Failure on Cold Bituminous Emulsion Mixtures
| Main Author: | Perpustakaan UGM, i-lib |
|---|---|
| Format: | Article NonPeerReviewed |
| Terbitan: |
[Yogyakarta] : Universitas Gadjah Mada
, 2006
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| Subjects: | |
| Online Access: |
https://repository.ugm.ac.id/23096/ http://i-lib.ugm.ac.id/jurnal/download.php?dataId=6032 |
Daftar Isi:
- Hot asphalt mixtures for road pavement reach their best performance as soon as the mixtures cool down. Strengthening pavement by means of polymer grid reinforcement had been investigated in the early 1980's, in order to prevent deformation and cracking. It was found that the best grid reinforcement position was at bottom of the asphaltic layer, which is in line with the elastic layer theory. Meanwhile Cold Bituminous Emulsion Mixtures (CBEMs) are weak at their early life time. Therefore, reinforcement may be required to prevent deformation of the mixtures, because they still contain some amount of water. The objective of the investigation was to find out the suitable location of the reinforcement on CBEMs at earliest age practicable for preventing early life failure. The reinforcement materials used was 'plastic cells' which were made from standard extruded polyvinyl chloride (PVC) sheet. The plastic cells were positioned at the middle height and close to the surface of the CBEMs samples. The samples were subjected to a dynamic cylindrical loading, where the number of dynamic load applied and the deformation were electronically recorded. Stress and strain distributions were analyzed using BISAR 3.0 software from Shell company. It was found that the suitable position of the reinforcement on CBEMs is on the upper side (close to the surface), which give significant prevention on deformation and cracks during early age. Keywords: cold asphalt mixtures, early failure, reinforcement.