?????????????,

???????????

GB/T 10002.3-1996 neq ISO4435:1991

??????????????PVC-U???

1 ??

????????????????????????????????????????????????????????????????????????????????

?????????110?630mm????????????110?200mm?????????????????????????????????????????????????

?????????????????????????????????

2 ????

???????????????????????????????????????????????????????????????????????????????????

GB 6111??85 ????????????????????????

GB 6671.1??86 ??????PVC-U???????????

GB 8802??88 ??????PVC-U????????????????

GB 8806??88 ??????????

GB 9647??88 ????????????

GB/T 13526??92 ??????PVC-U??? ??????????

GB/T 14152??93 ????????????????? ??????

3 ??

3.1 ???PVC?????????????????????????????????????PVC????????80%?

3.2 ????????????????????

3.3 ??????

??????????????? GB 6111????????????????60????????10MPa??????1000h??????GB 6111????

4 ????

4.1 ????????????????????????

4.2 ??????????2?4?8????????d_e(_????_)譭_???????????₁_?????₁_?

?1 ??????? mm

????d_e

????e

?????kPa

????

S25

S20

S16.7

110
125
160
200
250
315
400
500
630

?
3.2
3.2
3.9
4.9
6.2
7.8
9.8
12.3

3.2
3.2
4.0
4.9
6.2
7.7
9.8
12.3
15.4

3.2
3.7
4.7
5.9
7.3
9.2
11.7
14.6
18.4

????????????2?4?8???????????????4?8?????

5 ????

5.1 ??

??????????,??????????

5.2 ??

?????????????????????????????????????????????????????

5.3 ???????

5.3.1 ??

??????????????????????2?????

???????5m????????????????+20mm?-10mm?

5.3.2 ???????

???????????2???

? 2 ?????? mm

????

????????

????

????????

110

125

160

200

250

+0.4
0
+0.4
0
+0.5
0
+0.6
0
+0.8
0

315

400

500

630

+1.0
0
+1.2
0
+1.5
0
+1.9
0

5.3.3 ??

5.3.3.1 ??????????????3?

?3 ????? mm

????

3.0

4.0

4.6

5.3

6.0

6.6

7.3

8.0

8.6

9.3

10.0

10.6

4.0

4.6

5.3

6.0

6.6

7.3

8.0

8.6

9.3

10.0

10.6

11.3

+0.60

+0.70

+0.80

+0.90

+1.00

+1.10

+1.20

+1.30

+1.40

+1.50

+1.60
+1.70

11.3

12.0

12.6

13.3

14.0

14.6

15.3

16.0

16.6

17.3

18.0

12.0

12.6

13.3

14.0

14.6

15.3

16.0

16.6

17.3

18.0

19.0

+1.80

+1.90
+2.00

+2.10

+2.20

+2.30

+2.40

+2.50

+2.60

+2.70

+2.80

5.3.3.2 ?????????????4?

?4 ???????? mm

????

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

4.0

5.0