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2、d protection in underground mines Protective systems Part 2: Passive water trough barriers). -, 5 1.02012 ( 8). ( 1 ) , -. () . , (gost.ru) , 2014 , II 14591-220121 12 13 14 .34.1 34.2 , 45 45.1 45.2 .55.2.1 , , 55.2.2 , .55.2.3 .55.3 55.3.1 55.3.2 .56 .57 58 58.1 58.2 .68.3 .68.4 .69 .810 8 A () 9
3、B () 11 () .14 D () 15 E () .33 F () 34 () .34 35III 14591-22012IV - 14591-2:2007, - . -. , - / . - . , - , . , - , - . , - , , . - . , , - , , - . , . - . . 14591-220121 2 Underground mines. Explosion prevention and protection systems.Part 2. Passive water trough barriers 201307011 - , . , . . 2 .
4、 , ( -). 13463-1 , . 1. EN 13463-1 Non-electrical equipment for potentially explosive atmospheres Part 1: Basic method and requirements 4589-2 . . 2. - EN ISO 4589-2 Plastics-Determination of burning behavior by oxygen index-Part 2: Ambient temperature test 554 / . ISO 554 Standard atmospheres for
5、conditioning and/or testing. Specifications3 .3.1 (explosion barrier): , - - .3.2 (water trough barrier): , , .3.3 (water trough): , , .3.4 (trough group): , - 3 . . 1. 1 3 . 14591-22012 14591-2201223.5 (roadway cross-section): , -, , . 3.6 (volume of roadway section): . - . .3.7 (passive water trou
6、gh barrier): , , , - .3.8 (active water trough barrier): - , , , - .3.9 (concentrated water trough barrier): 20 , 1 2 200 . 1 3 - 5 .3.10 (distributed water trough barrier): , - 1 3 , -, 1 . 30 ( 50 10 2).3.11 (quick-deploy water trough barrier): - , - . - , , - . 60 1 2- .3.12 (blast pressure): - ,
7、 . 14591-2201231 ; 2 ; 3 1 , 4 4.1 - . . , , - , , . . . 14591-220124 . - . . - , . , - , , .4.2 , 2 ( ) 3 ( ) 1 40 , , a b1b2h l1l2 59 465 270 300 750 525 40 2 22 320 231,5 330 625,5 556,5 40 2 2 90 , , a b1b2h l1l2 25 2 500 2,5 415 275 5 760 5 675 90 4,5 20 2 500 2,5 415 320 5 760 5 675 90 4,5 - . 5 5.1 - . . - 14591-220125 (, , , ), , . . .5.2 5.2.1 , , , - , 4.2.5.2.2 , , , 500 ( - ). . - .5.2.3 -. 5%.5.3 5.3.1 13
