STUDY ON RUTDEPTH CHARACTERISTICS OF MODIFIED BITUMINOUS MIXES
Author(s):
Nandini, K. Rajasekhar
Keywords:
RUTDEPTH CHARACTERISTICS
Abstract
Due to increase in traffic volume, pavement constructed with conventional bitumen is getting damaged before the expected life time, resulting in permanent deformation, low temperature cracking, load associated fatigue, wear, stripping andaging Permanent deformations, primarily in the form of ruts, are one of the basic asphalt pavement damages impairing its service properties. Vehicle wheel load acting on the pavement of a road may result in permanent deformation. Permanent deformations, primarily in the form of ruts in the form of imprints, tracks, corrugations, and shovings are one of the basic asphalt pavement damages impairing its service properties. Among these, ruts are most dangerous because they might cause vehicles to skid during precipitation. So as to increase the pavement performance there is a need to increase the quality of pavement using modifiers. Now a days modified bitumen are being used worldwide due to there improved performance. In the present study an attempt has been made to evaluate the permanent deformation characteristics of modified bitumen. Aggregates used in this study are from Peda Pendyal quarry. Crumb Rubber modified bitumen and Polymer Modified Bitumen are used in this study are obtained from Shell Bitumen company and Hindustan Colas Limited (HINCOL). Stability, flow value and Rutting resistance are taken as the evaluation parameters in this study. Using these evaluation parameters modified bitumen are evaluated and Compared with each other .It has been found that Polymer Modified Bituminous Mixes performed better than Crumb Rubber Modified Bituminous Mixes.
Article Details
Unique Paper ID: 144698

Publication Volume & Issue: Volume 4, Issue 2

Page(s): 210 - 218
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