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

Table 2

Compressive strength and rate of change of HPC specimens with vibration parameters of 2 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	−7.1	18.3	−9.1	20.0	−0.6
2	35.2	32.9	−6.5	32.3	−8.2	34.0	−3.4
5	46.7	46.2	−1.1	46.2	−1.1	44.8	−4.1
7	49.3	49.4	+0.2	49.5	+0.4	49.4	+0.2
28	63.0	61.4	−2.5	61.1	−3.0	62.1	−1.4

Note that “+” and “−” represent the decrease and increase of the compressive strength of the HPC specimens, respectively. And the same implication is in the subsequent tables.