Effect of Water on Bitumen-aggregate Mixtures


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State of the Art


Book Description




State of the Art: Effect of Water on Bitumen-aggregate Mixtures


Book Description

A survey is provided of the effect of water and moisture on bituminous mixtures. Existing literature on the subject of adhesion and stripping up to the first half of 1965 is summarized and evaluated. Adhesion of bituminous binder to aggregate is a surface phenomenon related to the physio-chemical properties of the two materials. The lack of adhesion in a bituminous mixture results from either improper joint formation or stripping of the binder from the aggregate in the presence of water.







State of the Art


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The Effect of Moisture on Laboratory-Prepared Asphalt Mixtures


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This paper presents the results of a laboratory study conducted to examine the water-induced damage of compacted and loose asphalt-aggregate mixtures from Riyadh, Saudi Arabia.One asphalt cement and two typical aggregate sources (A and B) were used to prepare asphalt mixtures.Test methods used included the Marshall stability ratio, the wet-dry indirect tensile test (Lottman) and coating and stripping tests of uncompacted mixtures (ASTM D 1664, Test Method for Coating and Stripping of Bitumen-Aggregate Mixtures, and ASTM D 3625.Test Method for Effect of Water on Bituminous-Coated Aggregate-Quick Field Test).