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A CRACK RESISTANT LAYER WITH GOOD MIXTURE FRACTURE ENERGY PROPERTIES MADE FROM AN EMULSION OF A POLYMER MODIFIED BITUMINOUS BINDER AND METHOD OF SELECTING SAME
A CRACK RESISTANT LAYER WITH GOOD MIXTURE FRACTURE ENERGY PROPERTIES MADE FROM AN EMULSION OF A POLYMER MODIFIED BITUMINOUS BINDER AND METHOD OF SELECTING SAME
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机译:聚合物改性的双键结合剂乳液制得的具有良好混合断裂能特性的耐裂纹层及其选择方法
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摘要
A method of selecting a crack resistant layer to be applied to an existing surface, the method comprising the steps of: selecting at least one emulsified bituminous binder to examine, where the emulsified bituminous binder comprises bitumen, one or more emulsifier, and one or more polymers, where the one or more polymers, the one or more emulsifier, or both include a sufficient amount of conjugated diene such that at least 2.5% of the emulsified bituminous binder residuum weight comprises conjugated diene, preferably at least 3.0%, more preferably at least 3.5%, and most preferably 4.0%; forming at least one bituminous mixture comprising the emulsified bituminous binder and an aggregate; testing each bituminous mixture for mixture fracture energy properties; and selecting a emulsified bituminous binder for use in the crack resistant layer. The method may further comprise the steps of testing the bituminous mixture for fatigue properties and selecting the emulsified bituminous binder for use in the crack resistant layer based on fatigue properties and mixture fracture energy properties, and/or testing the emulsified bituminous binder residuum for fracture energy and selecting the emulsified bituminous binder for use in the crack resistant layer based on mixture fracture energy properties and bituminous binder fracture residuum energy properties.
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