Deflection of Resilient Materials for Reduction of Floor Impact Sound

Table 2

Specification of floating floor specimens and test results.

Specimens	Resilient material				Loading location	Test results
	Types	Thickness (mm)	Bottom shapes	Tangent modulus (MPa)		(kN)	Max. deflection (mm)
F-PE1	Polystyrene (PE)	20	Plat	0.222	Center	8.50	2.62	1.37
F-PE2-C	Polystyrene (PE)	20	Plat	0.222	Center	7.58	1.73	1.22
F-PE2-S	Polystyrene (PE)	20	Plat	0.222	Side	9.47	8.22	1.44
F-TC	Tire chip (TC)	30	Embossed	0.173	Center	9.53	3.19	1.63
F-GW	Glass wool (GW)	20	Plat	0.322	Center	14.04	5.43	2.06
F-EVA	Ethylene vinyl acetate (EVA1)	20	Embossed	0.232	Center	10.48	3.40	1.67
F-EPS	Ethylene polystyrene (EPS)	20	Plat	0.859	Center	23.00	1.42	1.59
F-VPS	Vinyl sheet and polystyrene (VPS)	40	Plat	0.240	Center	12.00	2.09	2.58
F-SPE1-C	Polystyrene (SPE1)	20	Plat	0.130	Center	5.46	2.27	1.89
F-SPE1-S	Polystyrene (SPE1)	20	Plat	0.130	Side	6.06	5.21	1.18