
High Traffic Sidewalk System for Students and Community
Location: Santa Cruz, California Dates Poured: August 2012Caltrans and the City of Santa Cruz selected ReAct® Blend, a low CO<sub>2</sub> cement solution, to create a sustainable mix design for a high traffic sidewalk system that students use when walking and biking to school.
17 yd3
Concrete Poured Total (13 m3)
25%
CO2 Reduction
Mix Design
Cement: 70%
Fly Ash: 15%
ReAct: 15%
Aggregate: 1″ #4 Granite / Natural Sand
Total Cementitious Material: 550 lb/yd3
W/CM: 0.55
Slump: 4″ (10.2 cm)
Design Strength: 3,600 psi (24.8 MPa)


