Abstract
High voids in hot mix asphalt (HMA) can increase sensitivity to moisture, resulting in premature failure of asphalt pavements. The use of artificial aggregates as a substitute for natural aggregates has been considered in this paper to optimize air voids that meet the requirements. The reason is that natural aggregates are non-renewable raw materials and their availability continues to decrease. This study aims to determine the effect of replacing some natural aggregates with artificial aggregates on air voids. This experiment assessed 2 sets of HMA standard gradations, namely the Bina Marga standard (Indonesian standard) and the Federal Aviation Administration (FAA) standard. For each set, 2 different raw materials are used, namely: 1) asphalt mixture using 100% natural aggregate and 2) asphalt mixture using a combination of 25% artificial aggregate and 75% natural aggregate. The analysis includes volumetric mixes, such as VIM (voids in mix), VMA (voids in mineral aggregates), and VFA (bitumen filled voids). The results of the analysis found that the replacement of natural aggregates with artificial aggregates affected the cavities formed in the asphalt mixture. HMA that uses natural aggregates, shows VMA, VFA and VIM that meet the requirements for pavement surface materials.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 9th International Conference on Civil Engineering |
| Editors | Guangliang Feng |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 455-467 |
| Number of pages | 13 |
| ISBN (Print) | 9789819925315 |
| DOIs | |
| Publication status | Published - 2023 |
| Event | 9th International Conference on Civil Engineering, ICCE 2022 - Nanchang, China Duration: 3 Dec 2022 → 4 Dec 2022 |
Publication series
| Name | Lecture Notes in Civil Engineering |
|---|---|
| Volume | 327 LNCE |
| ISSN (Print) | 2366-2557 |
| ISSN (Electronic) | 2366-2565 |
Conference
| Conference | 9th International Conference on Civil Engineering, ICCE 2022 |
|---|---|
| Country/Territory | China |
| City | Nanchang |
| Period | 3/12/22 → 4/12/22 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Artificial Aggregates
- Void Filled with Asphalt and Void in Mix
- Void in Minerals Aggregate
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