Mechanical Properties of Full-Scale Prestressed Concrete Beams with Thin Slab after Exposure to Actual Fire

Table 8

Tensile strain measurements under normal loading (32.2t).

Measuring point	Bridge deck position	Strain for the point/με
		Beam 2#	Beam 3#	Beam 4#	Beam 5#
1–6#	One-eighth of the span	40	50	60	96.4
2–6#	Quarter of the span	48	59	73	119.5
3–6#	Three-eighths of the span	117	126	138	161.9
4–6#	A half of the span	140	182	226	284.5
5-6#	Five-eighths of the span	122	128	139	185.4
6-6#	Three-fourths of the span	51	62	77	129.8
7-6#	Seven-eighths of the span	42	51	63	69.7