1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS L 8512 KS L 8512:2008 2008 10 30 http:/www.kats.go.krKS L 8512:2008 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : : 1998 12 31 : 2008 10 30 2008-0717 : : ( 025097301) (http:/www.kats.go.kr). 10 5 , . KS L 8512:2008 Recycled foundry sand interlocking
2、block for side walk and road 1 , , , ( .) . 2 . . ( ) . KS F 4419, KS L 5201, KS L 5210, KS L 5211, 3 . 3.1 , a) b) 1) 3.2 a) b) 4 4.1 KS L 5201, KS L 5210 KS L 5211 . 1) S , U , R . KS L 8512:2008 2 4.2 2) , , , . 13 mm . 4.3 , , , . 4.4 AE , . 4.5 , . 5 5.1 . . 5.2 30 % 50 % . 5.3 . 5.4 . 1 5003)
3、. 1 . a) . b) (20 /h ) . 2) , , , , , , . 3) , () (h) . KS L 8512:2008 3 c) 65 . 2 . 6 6.1 6.1.1 , . 6.1.2 , . 6.1.3 , . 6.2 6.2.1 1 . 1 : mm I 208 68 70 O 208 138 70 , : 2 : 3 S , U , R . 6.2.2 1 , 2 . . 6.2.3 . 6.3 7.1 , 4.9 N/mm2 , 5.9 N/mm2 . 6.4 7.2 , 7 % , 10 % . 6.5 , 10 mm , 8 mm , . 7 KS L
4、8512:2008 4 7.1 24 . 1 140 mm , . , 50 % , 9.8 N/mm2 P (1) . (N/mm2)223bdPl(1) P: (N) l: (mm) b: (mm) d: (mm) : mm 1 1 . 2 , . 3 200 mm60 mm60 mm . 4 200 mm60 mm60mm . 2 , . 5 2 , 1/4 2 . 0.1mm 4 . 6 (SI) . 1 kgf 9.80 N 7.2 t 15 15 KS L 8512:2008 5 7.1 1 2 (1105) 24 . 2 0.2 % 4 . 15 30 24 . . (2) .
5、(%) 100BB)A(2) A: B: 2 . 7.3 7.1 . 8 8.1 , , , . 8.2 5.1 . 8.3 , , 8.3.1 10 000 5 , 10 000 100 000 10 , 100 000 50 000 5 . 8.3.2 6. 1 . 9 9.1 . a) 9.2 . KS L 8512:2008 6 a) b) c) 1 2 1 S , . 2 . I O S U R D HEXA G 135513 7017 (02)60094114 (02)600948878 http:/ KS L 8512:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Recycled foundry sand interlocking block for side walk and road ICS 91.100.20 Korean Agency for Technology and Standards http:/www.kats.go.kr