Study on Fatigue Characteristics of Carbonation Erosion Prestressed Hollow Slabs in Whole Life Cycle

Table 9

The comparison of strain and deflection (before and after carbon-fiber reinforcement) under different load.

Before reinforcement					After reinforcement
Load (kN)	W-1/2 (mm)	W-1/4 (mm)	Y-1 (με)	Y-5 (με)	W-1/2 (mm)	W-1/4 (mm)	Y-1 (με)	Y-5 (με)
50	0.37	0.3	−92.3	65.5	0.27	0.21	60.2	60.2
100	0.52	0.41	−171.1	115.9	0.46	0.37	107.5	107.5
150	1.18	0.74	−247	170.3	0.80	0.64	152.3	152.3