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