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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15 |
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| Paper Title: | Experimental Study on Bituminous Mixes by Using Zycotherm |
| Authors Name: | Paltasingi Venkata Raju , M Udaya Sri , PMS Satish Kumar , Sumathi Misro |
| Unique Id: | IJSDR1801012 |
| Published In: | Volume 3 Issue 1, January-2018 |
| Abstract: | The objective of this study was to investigate the influence of warm mix additive on Bituminous Mixture and compare the mechanistic properties with conventional Hot Mix Asphalt (HMA) through the laboratory testing programs. Roads are the lifeline for the health & sustained growth of economy. The conventional Hot Mix Asphalt (HMA) method of road construction involves the burning of bitumen which produces toxic gases which degrades the environment. In colder region it is difficult to maintain the paving temperature of hot mix. These hot mixes are prepared at fairly high temperatures requiring high energy input. Other limitations associated with (HMA) use are like emission of green house gases, shut down of hot mix plants during rainy season, problems in maintaining the paving temperature when hauling distances are more, etc. To overcome these problems and conserve the energy without sacrificing its quality, Warm Mix Asphalt (WMA) Technology is considered as good option. In the present study HMA is replaced by WMA for the construction of flexible pavement. Warm Mix Asphalt is one of the newest technologies that allow mixing, production, placing and compaction of asphalt mixes at significantly lower temperatures result in reduced fuel usage while enhancing worker health and safety conditions during pavement construction due to chemical modification of the bitumen as compared to the traditional Hot Mix Asphalt practice. It is made possible by utilizing an additive which thins or reduces the viscosity of the asphalt binder at lower temperatures allowing sufficient coating of aggregates while maintaining workability. The composition of the WMA is same as that of HMA except for the chemical additive which lowers the viscosity of the bitumen. In this study an attempt is made to compare the Marshall properties and environmental benefits of WMA produced with an innovative chemical additive “Zycotherm” and HMA for bituminous Concrete (BC) Grade-2. The adopted mixing temperatures for HMA was 160°C and the mixing temperatures for WMA was 130°C, 125°C and 120°C, with an additive dosage rate of 0.1% by weight of the binder. The optimum binder content was to be found out individually for the mixture for different mixing temperatures. Results of laboratory performance indicated that the WMA at 125°C is better than WMA at 120°C and 130°C and also HMA at 160°C. The outcomes showed that the addition of Zycotherm had slightly improved the Marshall properties of the mixture. |
| Keywords: | HMA, WMA, BC Grade, VG, OBC, Additive, Stability, Flow |
| Cite Article: | "Experimental Study on Bituminous Mixes by Using Zycotherm", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.3, Issue 1, page no.71 - 83, January-2018, Available :http://www.ijsdr.org/papers/IJSDR1801012.pdf |
| Downloads: | 000337067 |
| Publication Details: | Published Paper ID: IJSDR1801012 Registration ID:180011 Published In: Volume 3 Issue 1, January-2018 DOI (Digital Object Identifier): Page No: 71 - 83 Publisher: IJSDR | www.ijsdr.org ISSN Number: 2455-2631 |
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