Pressure type pavement material water permeability measuring device

The utility model relates to a pavement material water permeability measuring device, and particularly relates to a pressure type pavement material water permeability measuring device. The utility model aims to solve the problems that field tests cannot be carried out and the measurement efficiency is low as an existing pavement material water permeability measuring device is complex in structure, large in size and high in production cost. The pressure type pavement material water permeability measuring device provided by the utility model comprises a supporting frame, a measuring cylinder, an experimental container, a sealing cover, a pipeline and an air compressor, wherein the experimental container and the measuring cylinder are sequentially arranged on the supporting frame from top to bottom, a water outlet in the lower end of the experimental container is inserted in the measuring cylinder, the sealing cover is connected with an opening of the experimental container in a sealing manner, one end of the pi