Quick-traffic slurry surfacing mix with orthophosphoric acid

Author:

Sidun Iurii1,Vollis Oleksiy1,Hidei Volodymyr1,Bidos Volodymyr1

Affiliation:

1. Lviv Polytechnic National University , 12 st. S. Bandera, Lviv, 79013 , Ukraine

Abstract

Abstract Bitumen emulsions for slurry surfacing mix technology using oxidized bitumen and hydrochloric and orthophosphoric acids on laboratory DenimoTech bitumen-emulsion plant are made in the work. Methylene blue adsorption index of granite aggregate for use in slurry surfacing mix was investigated. Comparatively mix time and cohesion strength build-up of selected compositions slurry surfacing mix with hydrochloric and orthophosphoric acids depending on the variable content of bitumen emulsion. The advantage of using orthophosphoric acid in slurry surfacing mix according to the cohesion strength build-up criterion has been proved. The importance of correct distribution of bitumen drops in the emulsion was confirmed using a sedimentograph Mastersizer 2000. Two emulsions of the same component composition were compared, which differed in particle size. It has been established that it is not possible to design a slurry surfacing mix using the mix time criterion with the help of coarse bitumen emulsion.

Publisher

Stowarzyszenie Menedzerow Jakosci i Produkcji

Subject

Management of Technology and Innovation,Industrial and Manufacturing Engineering,Safety, Risk, Reliability and Quality,Management Information Systems

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