1、 55077 2012 , ISO 10952:2008 (NEQ) 550772012 II 1 , , - 2 063 , 3 14 2012 . 775- 4 ISO 10952:2008 . . (ISO 10952:2008 Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes and fittings Determination of the resistance to chemical attack for the inside of a section in a deflected
2、 condition, NEQ) 5 1.02012 ( 8). ( 1 ) , - . () - - . , (gost.ru) , 2014 , 55077 2012 (ISO 10952:2008) 1 , Fiberglass reinforced thermosetting plastic pipes and part of pipelines. Methods for determination of the resistance to chemical attack for the inside of a section in a deflected condition 2014
3、 01 01 1 , , DN 100 . 2 : 545592011 , . , 1 , , , . , , (). , , , , , . , , , , . 3 54599, : 3.1 dm, : , . dm, , dm = de e, (1) de , ; . dm dm = di + e, (2) di , . 550772012 2 dm eld em , (3) le , . 3.2 : , ( ). 4 . , . , . 5 5.1 (, , ) 0,5 %. 5.2 1,0 % . 5.3 300 DN 6000 3* * , 10000 . 7.1.2 , (. 6.
4、2), , . , ( ). 7.1.3 , , (). (. 7.1.1) , . 7.1.4 , (. 1) , . . 7.1.5 (. 7.1.3) ( 25 50 ) . 2 . 7.1.6 25 , 5 %. - . . . 7.1.7 , 2, . 2 , , 0 10 1,00 0,25 10 600 24 6 600 6000 72 10 . 6000 1 55077 2012 5 . , , . , , . 7.1.8 . , 10000 , , . , , . 7.1.9 , , , . 7.2 7.2.1 , 18 0,1 10000 . 10 , 1. . 0, %,
5、 20 )5,0( 28,4100 dmm dmdd de , (4) ddm , ; dm , . (3) . ddm, , ddm = dm Ddm, (5) dm , ; Ddm , , . , . , , (4) 2d, d , . (5.3). 7.2.2 (5.3) , . (. 6.2), , , , , 1/4 . , , , , 37 % . , . . 7.2.3 , , 1, , . 7.2.4 , , ( ). , , , . , , , . , 2 . 2,5 % . 550772012 6 , 7,5 % , . . 7.2.5 , , . . 7.2.6 (. 7.2.4), ( 25 50 ), . 2 . 7.2.7 25 ; 5 %. 7.2.8 , 2, . . , , . , , . 7.2.9 . , 10000 , , . , , . 7.2.10 , , , . 8 , 7.1 7.2, ,