The Impact of Traffic-Induced Bridge Vibration on Rapid Repairing High-Performance Concrete for Bridge Deck Pavement Repairs

Table 4

Compressive strength and rate of change of HPC specimens with vibration parameters of 4 Hz and 1 mm.

Age/d	Control specimen/MPa	Pouring-initial hardening/MPa	Changes proportion/%	Initial hardening-final hardening/MPa	Changes proportion/%	Pouring-final hardening/MPa	Changes proportion/%
1	20.1	19.6	−2.5	20.2	+0.5	19.7	−2.1
2	35.2	34.2	−2.8	35.6	+1.1	36.0	+2.3
5	46.7	44.9	−3.9	46.7	+0.0	48.4	+3.6
7	49.3	50.3	+2.0	50.4	+2.2	48.7	−1.2
28	63.0	61.2	−0.29	62.4	−1.0	62.3	−1.1