▎ 摘　　要

This research addresses the asphalt smoke emis-sion in the process of asphalt pavement construction. The nano-graphene oxide (GO)/tourmaline composites were pre-pared to alleviate the asphalt smoke emission and improve the construction environment. The macrocharacteristics and micromorphology of the composites were analyzed, and their optimal preparation process was determined. Using material microanalysis methods, such as X-ray diffract-ometer, Raman spectroscopy, and Fourier transform infrared spectrometer, the structural characteristics and material composition of the composites were studied. The adsorption properties of the composites on asphalt smoke were clari-fied. It will provide technical support for the improvement of infrastructure construction environment. The results show that 3-aminopropyl triethoxysilane is superior than hexa-decyl trimethyl ammonium bromide in surface modification of tourmaline. During the composite process, surface modi-fiers and GO had no significant effect on the structure of tourmaline. GO could enhance the adsorption properties of tourmaline on asphalt smoke. When the GO content was 1.5 wt%, the improvement was the largest, which is 17.42%. At that time, the emission-reduction rate of asphalt smoke reached 41.11%.