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

Table 3

Compressive strength and rate of change of HPC specimens with vibration parameters of 4 Hz and 3 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	18.7	−7.0	19.0	−5.6	19.5	−3.1
2	35.2	33.2	−5.7	33.2	−5.7	34.9	−0.8
5	46.7	46.3	−0.9	46.5	−0.4	45.7	−2.1
7	49.3	48.7	−1.2	47.3	−4.1	47.9	−2.8
28	63.0	64.1	+1.7	61.5	−2.4	62.0	−1.6