Design and Mechanical Properties of Steel-UHPC Lightweight Composite Decks

Table 1

Mechanical parameters of the UHPC of Fengxi Bridge.

Properties	Values
Compressive strength	≥110 MPa
Tensile strength	≥8 MPa (without rebar)/≥40 MPa (with rebars)
Shear strength	≥20 MPa
Shrinkage	≤600 με (regular curing)/≤100 με (steam curing)
Creep coefficient	≤2.0 (regular curing)/≤0.4 (steam curing)
200M times fatigue strength	≥50 MPa (compressive stress amplitude)/≥20 MPa (tensile stress amplitude)