Paving way of concrete permeability and permeability concrete

摘要

PURPOSE: To provide a water-permeable concrete which can be applied for paving without forming joints and can be used for ordinary roadway. ;CONSTITUTION: This water-permeable concrete is obtd. by mixing cement, water, polymer, and aggregate (10) consisting of any combination of stone powder, sand, #7 grinding stone, and #6 grinding stone. This water-permeable concrete has 10-35% void volume, 0.05-0.35 weight ratio of the cement paste (12) consisting of cement and water and polymer to the aggreagate (10), and further, 0.05-0.65 weight ratio of the polymer to the cement.;COPYRIGHT: (C)1994,JPO&Japio