ADHESION CHARACTERISTICS STUDY ON WASTE PLASTICS MODIFIED BITUMEN

Jun 17th, 2015
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One of the principal functions of a bituminous binder is, as its name suggests, acting as an adhesive either between road and underlying road surface. Bitumen can be regarded as an ideal adhesive but, in general, when proper precautions are exercised to adequate.

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ADHESION CHARACTERISTICS STUDY ON WASTE PLASTICS MODIFIED BITUMENByMOHAMMED IMTHIYAZ M.A(M.Tech Highway Technology, B.E Civil)D.S.C.EBangalore-781. INTRODUCTION1.1 GENERALOne of the principal functions of a bituminous binder is, as its name suggests, acting as an adhesive either between road and underlying road surface. Bitumen can be regarded as an ideal adhesive but, in general, when proper precautions are exercised to adequate. There are occasions, however, when the adhesive bond may fail and the durability of the bituminous material may be seriously affected. The bonding between bitumen and aggregate is of special importance because it is the primary characteristic that influences the integrity of the pavement. This bonding must be established at the initial stages of contact between the bitumen and the aggregate and must endure during the life time of the pavement.The adhesion of bituminous binders to road stone presents few problems in the absence of water, although excessive dust may create trouble. On the other hand, because road stones are wetted more easily by water than by a bituminous binder, the presence of water can lead to difficulties, either in the initial coating of damp or wet road stone or in maintaining an adequate bond between the binder and the stone. Failure of a bond already formed is commonly referred to as 'stripping', which is brought about by the displacement of the bituminous binder from the stone

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