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2、ongitudinal stiffness 2006 1 ISO 18896, Footwear Test methods for shanks Longitudinal stiffness , . 1 , . 2 . . ( ) . KS M ISO 18454, 3 . 3.1 , 4 . 4.1 . a) (321) mm . . KS M ISO 18896:2008 2 b) 5 % 2 N, 4 N, 6 N 8 N c) 0.025 mm 4.2 0.1 . 4.3 0.5 mm 5 . 3 . KS M ISO 18454 48 . KS M ISO 18454 . , , 1
3、5 . 6 6.1 , (cantilever beam) . , . , . 6.2 ( ) , 4.1(a) 32 mm . . 6.3 . 6.4 4.1(b) , . 6.5 6 mm 2 N . , 11 mm . 6.6 5 , 4.1(c) , a1 0.01 mm . 6.7 , 10 4 N . 6.8 5 , 6.3 , a2 . 6.9 6.7 6.8 , 6 N 8 N , a3 a4 . a4KS M ISO 18896:2008 3 a3, a3 a2 a2 a1 . 6.10 , 4.3 mm . 6.11 2 , 6.2 6.10 . 7 7.1 S(kN mm
4、2) . aWLS33= W : (kN) a : (mm) L : (mm) W, a L . W 2 N , a . )33(1011234aaaaa += a : 2 N (mm) a4: 8 N (mm) a3: 6 N (mm) a2: 4 N (mm) a1: 2 N (mm) 7.2 3 S (kN mm2) , . kN mm2 . 8 . a) 7. b) c) , , d) 3 , e) f) KS M ISO 18896:2008 4 A ( ) 2. EN 12222: 1997 ISO 18454: 2001 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 18896:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Footwear Test methods for shanks Longitudinal stiffness ICS 59.140.35