Research on permeable concrete interface structure

A new method of designing pervious concrete is introduced. In order to achieve high performance permeable with excellent permeation coefficient and high compressive strength, permeable concrete interface structure was modified by introducing fly ash and mineral admixture. Influence of the addition of fly ash and silica fume on the permeation coefficient and compressive strength of permeable concrete was investigated. The results showed that a remarkable increasing of interfacial strength of permeable concrete was achieved by introducing fly ash and silica fume. It can be used reference for the design of high performance pervious concrete.