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2、for materials of steel fiber reinforced shotcrete 1 . , . 2 . . KS F 2401, KS F 2402, KS F 2421, 3 3.1 . . 3.2 , . a) . 2 , . . 15 % . . 1) 15 . 2) 5 KS F 2402, KS F 2421 . b) KS F 2401 . , , . KS F 2783: 2007 2 . a) 1), 2) . c) 3 . , . 15 % . . KS F 2783: 2007 3 KS F 2783: 2007 . 1 , . , . NATM 198
3、5 , , , . , . , . , ASTM , , . , . 2 . , . , . 3 3.1 , . , KS F 2783: 2007 4 . . , . KS F 2553( ), KS F 2401( ) . 3.2 , Batcher Plant . 80 % , . , 15 % . 9 30 15 . 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS F 2783: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Sampling method for materials of steel fiber reinforced shotcrete ICS 93.060