There is many types of compactors and rollers used in the construction of flexible pavement. mention...

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Civil Engineering

There is many types of compactors and rollers used inthe construction of flexible pavement. mention all the types ofthose rollers and compactor and what are the differences betweenthem and why each type is used for. Take in consideration theeffect of changing in the bitumen viscosity with the decrease inthe mix temperature during construction.
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Different Types of earthwork equipments used for compacting soils are as fallows 1 Grid rollers Grid rollers are used for compaction of weathered rocks well graded coarse soils These rollers are not suitable for clayey soils silty clays and uniform soils The main use of these rollers are in subgrade and subbase in road constructions As the name suggests these rollers have a cylindrical heavy steel surface consisting of a network of steel bars forming a grid with squire holes The weight of this roller can be increased by ballasting with concrete blocks Typical weights vary between 55 tonnes net and 15 tonnes ballasted Grid rollers provide high contact pressure but little kneading action and are suitable for compacting most coarse grained soils 2 Sheeps Foot Rollers Sheeps foot rollers are suitable for See Answer

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