Research Article

Deflection of Resilient Materials for Reduction of Floor Impact Sound

Table 1

Specification of resilient material specimens and test results.

MaterialSpecimensThickness (mm)Bottom shapesStress (MPa)
Strain 0.1Strain 0.2Strain 0.3Strain 0.4

Polystyrene (PE)PE-120Plat0.0210.0380.0730.127
PE-220Plat0.0200.0370.0690.121
PE-320Plat0.0150.0310.0580.105

Tire chip (TC)TC-130Embossed0.0440.1320.1790.225
TC-230Embossed0.0390.1240.1730.225
TC-330Embossed0.0380.1150.1660.213

Glass wool (GW)GW-120Plat0.0330.0640.1150.397
GW-220Plat0.0260.0560.0900.161
GW-320Plat0.0220.0440.0760.140

Ethylene vinyl acetate (EVA)EVA-120Embossed0.0220.0440.0700.211
EVA-220Embossed0.0140.0300.1000.137
EVA-320Embossed0.0100.0210.0390.108

Ethylene polystyrene (EPS)EPS-120Plat0.1960.2330.2670.303
EPS-220Plat0.1960.2330.2630.296
EPS-320Plat0.1820.2140.2430.269

Vinyl sheet and polystyrene (VPS)VPS-140Plat0.0360.0530.0750.111
VPS-240Plat0.0330.0500.0720.108
VPS-340Plat0.0300.0470.0690.105

Polystyrene (SPE1)SPE1-120Plat0.0120.0250.0410.063
SPE1-220Plat0.0090.0220.0390.060
SPE1-320Plat0.0090.0210.0370.058

Polystyrene (SPE2)SPE2-140Plat0.0100.0270.0430.063
SPE2-240Plat0.0090.0250.0410.059
SPE2-340Plat0.0080.0220.0380.059

Polystyrene (SPE3)SPE3-160Plat0.0090.0210.0370.058
SPE3-260Plat0.0080.0210.0360.056
SPE3-360Plat0.0070.0200.0340.053