Abstract
Abstract According to the impact of fumes generated by asphalt pavement construction under poor air ventilation conditions on environrnent and operators at pavement construction and mechanism of asphalt fumes generation this article provides the method of addition of addictives in asphalt to suppress fumes due to asphalt pavement construction. Through in house test the variation law of asphalt fames with heating temperature and heating time. The result shows that with an increase of heating time, the yield of asphalt fumes appears increasing tendency. During the initial stage, the smoke yielding rate is fast; in later stage the vaziation slows down; and finally the variation becomes stable. With higher heating temperature, the yield of asphalt fumes is greater. Paztial addictives aze selected for smoke suppression effect test from flame retardant agent, plastic smoke suppression agent, physical adsorbent, polymer modified agent and aging resistant agent. SBS and manometer calcium carbonate compound type m...
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