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Abstract
This paper describes the work recently undertaken to investigate the requirements for mastic asphalt used on flat roofs. One aim of the research was to develop a test method for the assessment of mastic asphalt, since the hardness measurements at present used in the UK have proved to be unreliable and to have poor repeatability. A simple bending test, carried out on a cast sample of mastic asphalt at low temperature, showed potential for development as a test method for quality assurance purposes. The other objective was to evaluate the improvements in performance of mastic asphalt in the low-temperature conditions that can be obtained by modification of the material by the addition of small proportions of appropriate polymers.
This paper describes the work recently undertaken to investigate the requirements for mastic asphalt used on flat roofs. One aim of the research was to develop a test method for the assessment of mastic asphalt, since the hardness measurements at present used in the UK have proved to be unreliable and to have poor repeatability. A simple bending test, carried out on a cast sample of mastic asphalt at low temperature, showed potential for development as a test method for quality assurance purposes. The other objective was to evaluate the improvements in performance of mastic asphalt in the low-temperature conditions that can be obtained by modification of the material by the addition of small proportions of appropriate polymers.
Date
0/1989
0/1989
Author(s)
J C Beech; G K Saunders
J C Beech; G K Saunders
Page(s)
41-50
41-50
Keyword(s)
mastic asphalt; weatherproof; flat roofs
mastic asphalt; weatherproof; flat roofs