WATER PERMEABILITY TESTING DEVICE FOR DRAINAGE PAVEMENT

PROBLEM TO BE SOLVED: To provide a water permeability testing device for drainage pavement capable of performing an evaluation with higher reliability as compared with a conventional device by performing a water permeability test reproducing the road surface state of an actual road faithfully. SOLUTION: This water permeability testing device for drainage pavement is for performing a drainage evaluation by using a body to be tested having drainage such as asphalt mixture, cement concrete and a flat block to be used in pavement with a large void ratio. The device is characterized by having a water permeation tank, a wastewater tank at both ends of the device, a water permeation pipe which is a water permeable path and is provided with a body to be tested mounting part for mounting the body to be tested and a structure capable of performing water permeation for the body to be tested from the horizontal direction.