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Paper Title: Comparative study on the mechanical properties of neat and modified binder mix
Authors Name: Abhishek P J , Mr.Suhas.R , Dr. S P Mahendra
Unique Id: IJRTI1710007
Published In: Volume 2 Issue 10, October-2017
Abstract: With the growing population, industrialisation, urbanisation and globalisation, there is a demand for clean water, air, waste disposal, safe and rapid transportation system with continuous. With the continuous increase in number of vehicles, require the need of sustainable infrastructure of road. It is necessary to improve the quality and performance pavements. The properties of bituminous and bituminous mixtures can be improved to meet the requirements of the paving with the company of certain additives. In these dissertation work the properties of modified bitumen is studied and compared with the properties of conventional bitumen by adding fly ash as additive to the conventional bitumen. The basic properties of aggregates and bitumen is found by conduction laboratory experiments. In these dissertation work of comparative study PMB-40 is used as modified bitumen and VG-30 is used as conventional bitumen. Initially the properties of both bitumen is studied individually and its behaviour in the Dense Bituminous Macadam (DBM) mix is observed by conducting Marshall Stability test. Later for the DBM mix with VG-30 grade bitumen fly ash is added and change in the mechanical properties of the mix is observed. This is achieved by adding fly ash at the rate of 2%, 4%, 6%, 8%, 10% and 12% by weight of fine aggregates in the DBM mix. The Marshall properties such as stability, flow value, bulk density VFB and VMA is analysed for VG-30, PMB-40, VG-30 paving mixes with fly as additive. For the mix with maximum strength and minimum strength is analysed for its performance evaluations using Immersion Wheel tracking equipment. From this dissertation work it is observed that, maximum stability obtained by adding fly ash as additive in VG-30 paving mix is at 8%. In performance evaluation PMB-40 paving mix has more rutting resistance and which is followed by VG-30 paving mix with fly ash as additive and conventional paving mix. Cost analysis for these three paving mixes having the cost required for construction is very high in PMB-40 bitumen, for DBM construction PMB-40 bitumen mix nearly doubles the cost of VG-30 paving mix. In paving mix with fly ash as additive having the cost of construction which is slightly higher than the VG-30 paving mix but by using fly as additive it is possible to reduce the thickness by 10mm in DBM so this can reduce the cost of construction
Keywords: Dense bituminous macadam, Marshall stability test, immersion wheel tracking test, cost analysis.
Cite Article: "Comparative study on the mechanical properties of neat and modified binder mix", International Journal of Science & Engineering Development Research (, ISSN:2455-2631, Vol.2, Issue 10, page no.42 - 50, October-2017, Available :
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Publication Details: Published Paper ID: IJRTI1710007
Registration ID:170538
Published In: Volume 2 Issue 10, October-2017
DOI (Digital Object Identifier):
ISSN Number: 2456 - 3315
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