WARM MIX TECHNOLOGY- A REVIEW

Civil Engineering (Transportation Engineering)

All around the world efforts are made and being forward to protect the environment. At present the main emphasis is on reducing CO2 emissions in the view of reducing the greenhouse gases and effect. Nowadays the construction of roads can be done by using the hot mix asphalt (HMA) technique which consists of aggregates and bitumen mixed at the higher temperature approximately 150° to 170° C. The objective of the study is to find out the various advantages of Warm Mix Asphalt Technology (WMA) as compared with the Hot Mix Asphalt Technology (HMA) with the help of different research Papers Published in National and International Journals. From our research we have come to the conclusion that Warm Mix Asphalt Technology can be better option as compared to the HMA Technology in term of its environmental benefits and other properties. The optimum binder content to produce the bituminous mix using the WMX additive will be achieved by the Marshall test. Then after optimum dosage of WMX additive and favorable temperature for WMX additive at which it can perform successfully. Qualified study can be done to know the stability of WMX additive with binder. As of late when fuel costs surpass record boiling records and exhaustion of greenhouse gases are restricted for makers there are new solutions for bitumen makers. The bitumen paving industry is continually investigating innovative upgrades that will improve the material's performance, expand development proficiency, save resources and development environmental stewardship. It is also found out that with certain modifiers the performance of WMA is further increased.WMA has significant effect on different parameters such as Marshall stability, Indirect Tensile Strength (ITS), Tensile Strength Ratio (TSR), rut depth, deformation, toughness, moisture resistance etc. This paper describes different techniques of obtaining WMA and different Warm Mix Chemicals that are available.

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