Lakeland, FL
Award: Durability
Project Team:
Owner: City of Lakeland
Primary Contractor: L. Cobb Construction Inc.
Subcontractor: GLF Construction
Engineer: Atkins
Concrete: Argos
Slag Cement: Argos

Approximately 27,000 yd2 (23,000 m2) of 15 in. (380 mm) PCC was placed for the Amazon Air Intermodal facility. Slag cement was used to enforce adequate strength and workability. In addition, slag cement helped with strength in both early breaks and 28-day breaks.
% Slag Cement Replacement | 50% |
% Portland Cement | 50% |
% Other SCM (if applicable) | |
Aggregate | |
Water/cementitious ratio | 0.45 |
7-day strengths | 600 to 790 psi (4 to 6 MPa) |
28-day strengths | 730 to 980 psi (5 to 7 MPa) |
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