KS F 2868-2003 Determination of dynamic stiffness of materials used under floating floors in dwellings《居住空间浮筑地板材料的动态弹性系数测量方法》.pdf

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1、 KS F 2868KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS F 2868 : 2003 (MOD ISO 9052 1: 1989) (2008 ) 2003 6 10 http:/www.kats.go.kr : ( ) ( ) ( ) ANC ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2003 6 10 : 2008 9 29 2008-0611 : ( 02-509-7290) . (http:/www.kats.go.kr) 10 5 , . ICS 71.100.40 KS F 2868:

2、 2003(MOD ISO 9052 1: 1989)(2008 ) Determination of dynamic stiffness of materials used under floating floors in dwellings , ISO 9052 1, Acoustics Determination of dynamic stiffness Part 1: Materials used under floating floors in dwellings . 1. . 1. (sound bridge) . 2. 0.4 4 kPa , 0.4 kPa , 4 kPa .

3、3. 2 kPa 10 20 % . 4. . JIS A 6321: 2000, 2. . . ISO 9053 Acoustics Materials for acoustical applications Determination of airflow resistance 3. . 3.1 s . dSFs/= (1) S: (m2) F: (N) d: (m) . , s s(N/m3) ( ) , s a(N/m3) , s t(N/m3) , s (N/m3) 3.2 f 0 F 2868: 2003 2 . msf210= (2) s : m : 3.3 f r . ttr2

4、1msf= (3) s t: m t: 4. 4.1 200200 mm 3 . . 3 mm . 3 mm , 5 mm 0.02 mm 1 a) b) . (closed cell) , 1 b) . a) b) 1 4.2 a) 2 3 . b) 0.5 mm , 1 . 2 100 kg . c) 0.2 mm , 2003 mm 80.5 kg(1 m2 200 kg), . d) ( 0.1 kg ) . F 2868: 2003 3 e) . 2 3 4.3 a) . . b) 5 cm/s2 (sweep)( ) , 1 1 10 80 Hz . (4) H() . 4 . )

5、()()(bpVVH = (4) V p(): (1) V b(): : (1) 1 1 (fourier transform) , , . c) 5 cm/s2 (2) 80 Hz , 1 . 5 200 200 200 200: mm 200 200 200 200: mm F 2868: 2003 4 . (2) , t(s) 1/(2 t ) 4 5 4.4 a) (4) . b) 6 2 . 1) 6 , . 2) (時系) 6 2 (5) . AMP FFT generator 200 200 200 200 : mm FFT 200 200 200 200 : mm F 2868

6、: 2003 5 001Tf = (5) f 0: (Hz) T 0: (s) 6 c) a) b) f 0 (6) . s t (2f 0)2 m t (6) f 0: m t: a), b) . d) s 1), 2) 3) . r ISO 9053 . 1) , r 100 kPa s/m2 s s t (7) 2) , 100 kPa s/m2 r 10 kPa s/m2 s s t s a (8) (isothermal) (9) . dps0a = (9) p 0: d: : p 0 0.1 MPa, 0.9 . ds111a= (MN/m3) d mm . 3) r f 1 .

7、b) 1) 4.4 a) f 0 3 dB f 1, f 2 , (11) . 2) 5 (正負 ) 2 , 2 (12) . 1e1,log1+=iiiiXX (12) i, i 1: 2 X i: i (正負同側 ) X i 1: i 1 a), b) . 5. . a) b) , , , , , c) ( 2 3) d) , ( , ) e) f r(Hz), s t, , s a, s , MN/m3 . 10 kPa s/m2 s a . 4.4 . 7 KS F 2868: 2003 , . . 1. . . (KS F 2810, KS F 2865) (KS F 2863) ,

8、 . , . ISO 9052 1 JIS A 6321 . 2. 2.1 . 2.2 . ISO 7626 2 ISO 9053 . ISO 9052 1(1989) JIS A 6321 . 2.3 . 2.4 ISO 9052 1(1989) JIS A 6321(2000) . . . . 1 . KS F 2865 , KS F 2863 . . . F 2868: 2003 8 1 1 . . 2 , . (dB) (MN/m3) F 2868: 2003 9 1 : MN/m3 kPa/m22.5 2 mm 600 600 300 300 210 210 1 13.2 14.5

9、15.9 14.7 14.3 2 12.4 15.2 15.1 14.2 15.1 3 15.5 16 4 24.5 24.1 22.6 23.9 5 48.9 52.0 2 : MN/m3EPS PE 15 70 10 50 10 50 10 40 10 20 5 15 0.1 0.4 , . 10 30 MN/m3 . DIN 18164 100 Hz , 30 MN/m3 . 100 kg/m2 , 30 MN/m3 100 Hz . ( 10 MN/m3 ) , . . 0.1 0.3 . , . 3. . , , . . . F 2868: 2003 10 . . 135513 7017 (02)60094867 (02)600948878 http:/ KS F 2868 : 2003 (MOD ISO 9052 1: 1989) KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of dynamic stiffness of materials used under floating floors in dwellings ICS 71.100.40 Korean Agency for Technology and Standards http:/www.kats.go.kr

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