Proposal for Concrete Compressive Strength Up to 18 ksi (124 MPa) for Bridge Design
Rizkalla, Zia, Mirmiran, Russell, and Mast 63 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0246810 12 14 16 18 20 Concrete Compressive Strength (ksi) α 1 Proposed Relationship for α 1 This Research Others AASHTO LRFD for α 1 FIGURE 5 Proposed relationship for rectangular ...