Study on Surface Pressure of High-Pressure Water

Part2. Decontamination Experiment Under Some Conditions Using High-Pressure Water Sprayers on Concrete and Asphalt Pavements

Abstract

A decontamination experiment was conducted under some conditions using high-pressure water sprayers on concrete and asphalt pavements.In the decontamination experiment, pump discharge pressure, water volume, nozzle tip type, and distance between the nozzle tip and the surface to be cleansed were changed.The effect of decontamination was evaluated by measuring the concentration of surface contamination before and after the decontamination experiment. The relation between the effect of decontamination and the data of surface pressure previously reported was sorted. Based on the results from the experiment, we found that there is a correlation between the effect of decontamination and the surface pressure.