Bituminous patching mixtures and seal coats : presented at the Thirty-seventh Annual Meeting, January 6-10, 1958
Paper 1: In the study reported, one aggregate was chosen for all phases of the project. this material was a hard dolomitic limestone. two methods of curing were used for all cutback. the first method was that of curing the prepared mixes in ovens at a constant temperature of 140f. the second method of curing was in lengths of stovepipe placed upright on screen wire on the roof of the laboratory and protected from rain. Paper 2: A number of field tests were developed to provide a means of evaluating the quality of work being performed on a seal coat construction job. they were: (1) a method for checking transverse and logitudinal spread of asphalt distributor, (2) temperature study of bituminous binder from time of application of binder to rolling of screenings, (3) degradation of screenings due to rolling and traffic, (4) absorptiveness and permeability of pavements, (5) rate of curing of bituminous binder and adherence of screenings, and (6) seasonal effects on performance of seal coats.
"Paper 1: In the study reported, one aggregate was chosen for all phases of the project. this material was a hard dolomitic limestone. two methods of curing were used for all cutback. the first method was that of curing the prepared mixes in ovens at a constant temperature of 140f. the second method of curing was in lengths of stovepipe placed upright on screen wire on the roof of the laboratory and protected from rain. Paper 2: A number of field tests were developed to provide a means of evaluating the quality of work being performed on a seal coat construction job. they were: (1) a method for checking transverse and logitudinal spread of asphalt distributor, (2) temperature study of bituminous binder from time of application of binder to rolling of screenings, (3) degradation of screenings due to rolling and traffic, (4) absorptiveness and permeability of pavements, (5) rate of curing of bituminous binder and adherence of screenings, and (6) seasonal effects on performance of seal coats."@en
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