Properties of Cementitious Repair Materials for Concrete Pavement

Table 3

Minimum opening strength necessary for FDR [28].

Slab thickness, mm (in.)	Strength for opening to traffic, MPa (psi)
	Repair length <3 m (10 ft)		Slab replacements
	Compressive	3rd-point flexural	Compressive	3rd-point flexural
150 (6.0)	20.7 (3000)	3.4 (490)	24.8 (3600)	3.7 (540)
175 (7.0)	16.5 (2400)	2.6 (370)	18.6 (2700)	2.8 (410)
200 (8.0)	14.8 (2150)	2.3 (340)	14.8 (2150)	2.3 (340)
225 (9.0)	13.8 (2000)	1.9 (275)	13.8 (2000)	2.1 (300)
≥250 (≥10.0)	13.8 (2000)	1.7 (250)	13.8 (2000)	2.1 (300)