Jun-Rui Liu

Strength–Permeability Optimization of FA–MK–NS Blended Pervious Concrete Based on Response Surface Methodology

Pervious concrete must balance mechanical capacity with interconnected voids required for drainage. A three-factor, three-level Box–Behnken design examined fly ash (FA; 10–20%), metakaolin (MK; 5–15%), and nano-silica (NS; 0.5–1.5%) at a fixed total binder content of 380 kg/m3. Compressive strength, water-accessible op...