Experimental Characterization of Traditional Mortars and Polyurethane Foams in Masonry Wall

Table 4

Results of the tests on the six specimens.

Specimen	Specimen’s dimensions			Area of the transversal section (mm^2)	Failure load (N)	Shear strength (N/mm^2)
	L (mm)	l (mm)	h (mm)
1	234.0	373.0	667.0	87282.0	55500	0.32
2	234.0	373.0	667.0	87282.0	58100	0.33
3	234.5	373.5	667.5	87212.3	57800	0.33
4	234.5	373.0	667.0	87468.5	45800	0.26
5	234.0	373.5	667.5	87165.0	50600	0.29
6	234.0	373.0	667.0	87282.0	54900	0.31
Total number of samples					n	6
Average shear strength					N/mm^2	0.31
Characteristic value					N/mm^2	0.22