Table 2: Cracking deflection of beams with different porosity of grouting material under loads.

Load Type	Cracking deflection value of different densities (mm)
	1/3 Grouting Material	2/3 grouting material	without grouting material	full grouting material
Concentrated Load	0.352	0.353	0.350	0.354
Symmetrical Load	0.423	0.424	0.422	0.424
Uniform Load	0.420	0.421	0.419	0.421