Mechanical and Parametric Analysis of Cracks in Polypropylene Fiber Concrete U-Shaped Girder

Table 2

Number of prestressed steel units.

	Web		Bottom slab
	N1, N1′	N2, N2′	N3, N3′	N4, N4′	N5, N5′
Original design	7	11	10	10	10
Parameter 3	5	11	10	11	11