P_.indd1953 28 60


1958 33 JWSA K 101
1959 34 JIS K 6762
2012

JPS-04
1993 7 JIS K 6762 1997
9 9
1998 10 12 1999



ISO
ISO4427 2015 JIS K 6762 2019 5
2020
PE


1. PE ------------------------------------------------------------------------------------- 1 1.1 ---------------------------------------------------------------- 1 1.2 ---------------------------------------------------------------- 2 1.3 -------------------------------------------------------------------- 3 1.4 --------------------------------------------------------------------------------------- 4
1. ---------------------------------------------------------------------------------------------------- 7 2. PE ------------------------------------------------------------------------------------- 9 2.1 ----------------------------------------------------------------------------- 9 2.2 ------------------------------------------------------------------------------------ 9 2.3 JIS ------------------------------------------------------------------------------- 11 2.4 ---------------------------------------------------------------- 12 2.5 -------------------------------------------------------------------------- 13 2.6 -------------------------------------------------------------------------- 13 1 ----------------------------------------------------------------------------------------------------- 13 2 MRS ---------------------------------------------------------------------------------------------- 16 3 1.0MPa ------------------------------------ 17 4 -------------------------------------------------------------- 18 5 ----------------------------------------------------------------------------------------------------- 19 6 ----------------------------------------------------------------------------------------------------- 21 2.7 ----------------------------------------------------------------------- 22 1 ----------------------------------------------------------------------------------------------------- 22 2 -------------------------------------------------------------------------------------------------- 22 3 ------------------------------------------------------------------------------------------- 23 3. ----------------------------------------------------------------------------------------------------------- 25 4. ----------------------------------------------------------------------------------------------------------- 29 5. ------------------------------------------------------------------------------------------------------- 30 1 ------------------------------------------------------------------------------------------------------------ 30 2 ------------------------------------------------------------------------------------------------------------ 30 6. ---------------------------------------------------------------------------------------------------- 31 1 ------------------------------------------------------------------------------------------------------------ 31 2 --------------------------------------------------------------------------------------------------------- 31 7. ----------------------------------------------------------------------------------------------------------- 33
1. --------------------------------------------------------------------------------------- 36 2. ------------------------------------------------------------------------------------------------------- 37 3. ----------------------------------------------------------------------------------------------------------------- 38 3.1 -------------------------------------------------------------------------------------------------------- 38 1 ---------------------------------------------------------------------------------------------- 38 2 ------------------------------------------------------------------------------------------------- 38 3 ----------------------------------------------------------------------------------------------------------- 39 4 ----------------------------------------------------------------------------------------------------- 40 3.2 -------------------------------------------------------------------------------------------------------- 42 1 ---------------------------------------------------------------------------------------------- 42 2JP K 012 ------------------------------------------------------------------------------- 42 3 ----------------------------------------------------------------------------------------------------------- 42 4 ------------------------------------------------------------------------------------------- 43 3.3 ----------------------------------------------------------------------------------------------------------- 47 1 ------------------------------------------------------------------------------------------- 47 2 ------------------------------------------------------------------------------ 48 3.4 ------------------------------------------------------------------------------------------- 50 1 ---------------------------------------------------------------------------------------- 50 2 -------------------------------------------------------------------- 50 3 -------------------------------------------------------------------- 50 4. ----------------------------------------------------------------------------------------------------------- 51 5. ------------------------------------------------------------- 55 6. ----------------------------------------------------------------------------------------------------------- 55 7. ----------------------------------------------------------------------------------------------------------- 56 8. ------------------------------------------------------ 57 8.1 ------------------------------------------------ 57 8.2 ------------------------------------------------------------- 57 8.3 ------------------------------------------------------------------------------------------- 57 9. --------------------------------------------------------------------------------------------- 58 10. ---------------------------------------------------------------------------------------------------------- 58 11. ---------------------------------------------------------------------------------------------------------- 58 12. -------------------------------------------------------------------------------- 58
1. PE --------------------------------------------------------------------------- 59 2. --------------------------------------------------------------------------------------------- 62 2.1 ------------------------------------------------------------------------------------------ 62 2.2 ------------------------------------------------------------------------------------------------- 63 2.3 ----------------------------------------------------------------------------- 67
2.4 ------------------------------------------------------------------------------ 70 2.5 -------------------------------------------------------------------------- 70
3. ----------------------------------------------------------------------------------------------------------- 71 3.1 -------------------------------------------------------------------------------------------------------- 71
3.2 -------------------------------------------------------------------------------------------------------------- 72 3.3 ------------------------------------------------------------------------------------------- 73 4. PE ----------------------------------------------------------------- 77 5. ----------------------------------------------------------------------------------------------------------------- 78 6. PE --------------------------------------------------------------------------- 81 7. PE -------------------------------------------------------------------- 82 8. PE PE ----------------------------------------------------------------------------------- 87 9. PE ------------------------------------------------------------------------------ 90
10. SI ------------------------------------------------------------------------------------------------ 91

1. PE 0.75MPa PE JIS K 6762 PE

1 3 PE100
1
1 W PE50 JIS K 6762 2 W PE80 JIS K 6762 3 W PE40,PE63,PE80,PE100 ISO 4427-2
1 3 ISO 161-1 ISO 11922-1 ISO4065 ISO 4427-2
MRS 2 MRS ISO 1167, ISO 9080 σ lcl ISO 12162
2 :MPa σlcl MRS PE40 4.0 5.0 4.0 PE50 5.0 6.3 5.0 PE63 6.3 8.0 6.3 PE80 8.0 10.0 8.0
PE100 10.0 11.2 10.0

3
MFR a ± 25 JIS K 7210
20.0min JIS K 6762 JA
b 3 JIS K 6812
b 2.0 2.5 JIS K 6813
c
1 9.8MPa JIS K 6815-1JIS K 6815-32 19.6MPa
3 20.0MPa 350 JIS K 6815-1JIS K 6815-3
± 3 JIS K 6814
ISO 1167-1ISO 1167-2
JIS S 3200-1

JIS K 6762 JD
1 TOC 1mg/L 0.7mg/L
JIS K 6762 JE
c JIS K 6762
a
R ×100 F1 F0 F0

R : F0 : MFR g/10min F1 : MFR g/10min
b c
– 3 –
4
a PE40, PE50 0.915g/cm3 PE63, PE80 0.930g/cm3 PE100 0.942 g/cm3
JIS K 7112 D
MFRa b 0.2g/10min 1.4g/10min MFR ± 25
JIS K 7210
c 3 JIS K 6812
c 2.0 2.5 JIS K 6813
a 240
JIS K 7151JIS K 6762 JB
d 350mg/kg JIS K 6762 JC e 300mg/kg JIS K 7251 d JIS K 6762
a b c d PE100 e
1.3 1 1 MRS 2 3 1


– 4 –
1.4 1 2 3 5 6 7
5 1
90
2.2
25 34.0
90 24.0 0.423
2.0 ±0.4
90
50 60.0 3.6 8.0 ±0.55 7.45 40 44.0 1.216 110
150
5.45
:mm
1.0 ±0.2 120
16.5 0.143 40
90
1.75
25 34.0
±0.20 3.5
±0.30 3.2
90
50 60.0 ±0.30 1.5 5.0 4.65 40 50.0 0.829 110
150
3.15
:mm

1m
0 40 50.7 1.216
:mm
1.
PE 10 PE 25 3 31 1 1997 “ ”
JIS S 3200-1 7 8 PE 9
8







9

S 3200-1
S 3200-2
S 3200-3
S 3200-4
S 3200-5
S 3200-6
S 3200-7
1. PE JIS S 3200-1 2.5MPa 2 2. PE JIS S 3200-7
– 8 –
2 PE 1998 4 1 JIS JIS
3 3
10 PE S32.6.15 S32.12.12 H9.3.19 H9.3.19 H12.2.23 H12.2.23 S27.6.10 S27.12.4

H11.3.31
– 9 –
2. PE 2.1



2.2 1959 JIS K 6762 LDPE HDPE1970 HDPE LDPE HDPE LDPE L-LDPE 2
– 10 –
19 55
19 60
19 70
19 80
19 90
20 00

J I S K 6 7 6 2 ( 1 9 5 9 )
J I S K 6 7 6 2 ( 1 9 6 6 )
J I S K 6 7 6 2 ( 1 9 8 2 )
J I S K 6 7 6 2 ( 1 9 9 8 )
J I S K 6 7 6 2 ( 1 9 9 3 )
L D P E 2 H D P E
J I S K 6 7 6 2 ( 1 9 9 7 )
J W W A K 1 4 4 K 1 4 5
J S W A S K – 4
L D P E
L L D P E
J I S K 6 7 6 2
H D P E
L D P E


J W S A K 1 0 1


PE
>1 00 0h (Z ie gl er )
PE 32 (C r ) PE 50 (Z ie gl er )
24 h( Cr ) 23 0h (Z ie gl er )
>2 00 0h (Z ie gl er )
ES CR



( )
→ ES CR


ES CR



ES CR

Zi eg le r Cr




Zi eg le r Cr
Zi eg le r Cr M et al lo ce ne
2
3
1 HD PE
2 HD PE 3 HD PE
HD PE
LL DP E
LD PE
M DP E
LL DP E


– 11 –
2.3 JIS 1933 ICI 1953 1958 33 BS 1972:1953 JWSA K 101 :1958 33 1955 30 JIS K 6762 :1959
34 JWSA K 101:1958 33 JIS JIS K 6762 11
11

1959 S347 BS
1966 S413
1 95kgf/cm2 → 100kgf/cm2
1977 S525 JIS
1982 S573 1
1993 H5 5

1997 H99
JIS S 3200:1997 →→→ →→
1998 H1012
JIS ISO 4427:1996 1 2 ISO JIS ISO
– 12 –

2004 H163
JIS ISO 4427:1996 MRS 3 1 PE50 PE803 PE63PE80PE100 ISO ISO
2012 H2412
ISO 4427:1996 : : : : ISO 4427:2007 ISO : :
2019 R15

ISO 4427-12007 2015 Amendment 1 ISO 4427-22007 2014 Amendment 1
– 13 –
12
1 2 3 PE50 PE80 PE100
g/cm2 JIS K 6922-2 0.910 0.942 0.942 0.942 % JIS K 7209 0.03 0.03 0.03
MPa JIS K 7161
JIS K 7162
9.8 19.6 20 % 350% MPa JIS K 7171 9.8 19.6 20
MRS MPa ISO 1167-1,2
9080, 12162 5 8 10
W/mk JIS A 1413 0.34 0.46 0.50 0.46 0.50
10-5/ JIS K 7197 16 18 11 13 11 13
J/kgK JIS K 7123 2.3 2.3 2.3
JIS K 7206 90 115 125 JIS K 7216 70 70 70
ESCR ASTM D 1693 1000 1000 1000

P MPa σ MPa D mm
t min mm
PE 13 15

– 14 –
15 0
:MPa
13 20 25 30 40 50
20 4.1 3.7 3.7 3.3 3.4 3.3 25 3.6 3.3 3.3 2.9 3.0 2.9 30 3.5 3.2 3.1 2.8 2.9 2.8 35 3.1 2.8 2.8 2.5 2.6 2.5 40 2.9 2.7 2.7 2.4 2.4 2.4 45 2.6 2.4 2.4 2.1 2.2 2.1 50 2.4 2.1 2.1 1.9 1.9 1.9
14 2
15 0
:MPa
13 20 25 30 40 50
20 5.7 5.4 4.9 4.6 4.5 4.0 25 5.3 5.1 4.6 4.3 4.2 3.7 30 5.0 4.7 4.3 4.0 3.9 3.5 35 4.7 4.4 4.1 3.8 3.7 3.3 40 4.3 4.1 3.8 3.5 3.4 3.0 45 4.3 4.0 3.7 3.4 3.4 3.0 50 3.9 3.7 3.4 3.1 3.1 2.7

– 15 –
15 0
:MPa
20 25 32 40 50 63
20 5.8 5.2 5.4 5.3 5.2 5.3 25 5.4 4.9 5.0 4.9 4.9 4.9 30 5.0 4.5 4.6 4.5 4.5 4.5 35 4.7 4.3 4.3 4.3 4.3 4.3 40 4.3 4.0 4.0 4.0 4.0 4.0 45 4.1 3.7 3.8 3.7 3.7 3.7 50 3.7 3.4 3.5 3.4 3.4 3.4

– 16 –
2 20 50 97.5% σ lcl σ lcl = 5.74 MPa σ lcl ISO 1167 ISO 9080
1
10
20
hr
60 80
2
3 σ lcl MRS Minimum Required Strength 2
ISO 12162
2 MRS 5.0MPa PE50 MRS P
SDR C D
tmin
0.75MPa 0.25MPa 1.0MPa 16 ISO 1.25
– 17 –

JIS K 6762 JIS
MRS 1 2.4MPa 165 PE50 165 1000 JIS 1000 165
3 1.0MPa 0.75MPa 0.25MPa 1.0MPa PE 1.0MPa
1 PE50MRS 5.0MPa2 PE80MRS 8.0MPa3 PE100MRS 10.0MPaISO12162 1.25 Naday 17 18 19 1.0MPa
P MPa σ MPa D mm
tmin mm MRS
C
mm
4.00
1.40 20 27.0 3.70 1.27 25 34.0 4.65 1.27 30 42.0 5.20 1.13
40 48.0 6.05 1.15 50 60.0 7.45 1.13

mm
6.40
1.53 20 27.0 2.75 1.45 25 34.0 3.20 1.33 30 42.0 3.70 1.24
40 48.0 4.15 1.21 50 60.0 4.65 1.08
19 PE3
mm
8.00
1.78 25 25 2.3 1.62 32 32 3.0 1.66 40 40 3.7 1.63
50 50 4.6 1.62 63 63 5.8 1.62
4 20 PE 1.0MPa
ISO 13761 20 21
20 20 25 30 35 40 45 50
PE 50 1.00 0.92 0.85 0.77 0.71 PE 80
PE 100 1.00 0.92 0.85 0.79 0.73 0.69 0.63
-1PE 63 PE 40 -2PE 50
21 MPa
20 25 30 35 40 45 50
1 PE50 1.00 0.92 0.85 0.77 0.71
0.75 0.69 0.64 0.58 0.53 2 PE80
3 PE80,PE100
– 19 –
5 50 PE
Allievi 1m/s 22 4
PE
H m V P m/s VW m/s
K 15 2.03 GPa ρ 15 9797 N/m3
E 15 PE 1 0.21 GPa PE 2 0.66 GPa PE 3 1.35 GPa 3.33 GPa 211 GPa
d t g 9.8 m/s2
22
V P m/s PE
1 2 3
13 20 228 346 – 698 1387 20 25 213 337 374 633 1375 25 32 212 322 377 616 1369 30 40 198 307 374 563 1360 40 50 200 304 372 535 1350 50 63 198 284 373 507 1338
PE 3

1 2 3
13 20 23 35 – 71 141 20 25 22 34 38 65 140 25 32 22 33 38 63 140 30 40 20 31 38 57 139 40 50 20 31 38 55 138 50 63 20 29 38 52 136
1m/s
Vwm s




PE

5 UL PE 23

50 150mm
23
10 PE 1 10 2m PE 2 10 2m 10 2m
0 PE 1 10 2m PE 2 10 2m 10 2m
-10 PE 1 10 2m PE 2 10 2m 10 2m
JIS K 6742
– 22 –
25 ISO/TR 103581993
JIS K 7107 K 7108 JIS K 7107
JIS K 7108IDT ISO 6252
1




2 PE JIS K 6762 PE
1 PE

2 P E 2 5 23 1mg/L 6.7 7.6 270 300 No.95-01
3 0.1mg/ 0.4mg/ 0.2mg/ 1.5mg/
81 49 7 26
– 23 –
24 PE

500 1000 1500 2000 2500 3000
1
2
1. 500mg/L pH 6 7 60 1L/hr
2. 10ASTM D714-56 Fig.4 BlisterSize8Fig.4 Continued 1cm2 3 1,2
3

1 PE
2
PE
JIS K 6762
PE50PE80PE100 240 1000
1 1994 2 2 3 203 1990
– 24 –

35% - × ×
60%
98% × 40%
25% × ×
50% ×
>50% × ×
60% 30%
<80% 40%
95%

× ×
– 25 –
3. 1
11 3 31 32 5 JIS K6762 1
JIS K6762 1 11 12 21 JIS K6762 1

2 PE 40cm
40cm

1 6
P v= P 1P 2
P v

– 26 –
M 1N - K : K M/wR
60 K =0.189 w 1 Pv MPa Pv MPa P P R R D t /2 D Ph MPa σ MPa Z 1/ t δ Fr
60 Fr =0.103 Fd 1.5 E’ MPa
E’ = 9.8 MPa E PE
1 196 MPa2 784 MPa I t /12: 1/
PvP1 P2

Cd
γ N/m γ 17.6 kN/m
B m B 0.5m H m
deg 30
α mm- i i 0.5
Q N T-25 Q 98kN β
H 1m 4m 1.0 0.9 4m β =0.9
T-25 2 α 26
26 :mm-2
H H 0.6m H 0.8m α 10.34×10-7 7.50×10-7
3
= δ /
4 σa 2.5 1 9.8MPa ÷ 2.5 = 3.92 MPa
2 19.6MPa ÷ 2.5 = 7.84 MPa 3 PE100 20.0MPa ÷ 2.5 = 8.00 MPa
– 28 –
6 27 28 60°
27 PE


σ
13 3.2 1.77 1.49 1.34 1.12
3.92
20 3.7 1.97 1.74 1.49 1.30 25 4.65 1.98 1.74 1.49 1.32 30 5.2 2.23 2.02 1.68 1.55 40 6.05 2.18 1.98 1.65 1.50 50 7.45 2.22 2.03 1.68 1.53
2
13 2.3 4.03 1.34 3.05 1.02
7.84
20 2.75 4.31 1.48 3.26 1.11 25 3.2 4.76 1.71 3.60 1.29 30 3.7 5.15 1.90 3.90 1.45 40 4.15 5.27 1.98 3.98 1.48 50 4.65 5.95 2.28 4.50 1.72
28 PE 3


mm
σ
25 2.3 5.89 1.76 4.44 1.32
8.0 32 3.0 5.75 1.69 4.33 1.28 40 3.7 5.85 1.75 4.40 1.33 50 4.6 5.89 1.76 4.43 1.32 63 5.8 5.88 1.76 4.43 1.32
PE100
0.6m 5 1 2 3 PE100
PE
4.2 1


80mm

1 φ 20 8% 2% φ 25 7% 3%
3 φ 20 5% 2% φ 25 2% 3%
PE K002,012
2 1.75MPa × 1min 1
30 1
3 EF
15 17% 8 10% 20%/sec
20 20%/sec 10
25mm/min
25mm/min
25mm/min 20
25mm/min 20
1Hz ± 5 50
1Hz ± 3 50
1 2018 WSA B011
5. 1
PE
PE 70 PE
2 1
– 31 –
PE


PE
Δ L = αΔθL Δ L
L Δ θ
a PE 1 17 × 10 / PE 2 12 × 10 / PE 3 13 × 10 /
2
σθ = αΔθE σθ MPa
E MPa

A mm
PE 10 20 1/1000 1/300
20 31
– 32 –
Δ L
MPa
0 -20 -3.4 265 0.90 -2.4 883 2.12 -2.6 1800 4.68
10 -10 -1.7 226 0.38 -1.2 735 0.88 -1.3 1400 1.82
20 0 0 196 0 0 588 0 0 1300 0.00
30 10 1.7 147 -0.25 1.2 500 -0.60 1.3 980 -1.27
40 20 3.4 108 -0.37 2.4 397 -0.95 2.6 880 -2.29
1 2
31
– 33 –
7. PE 50 50
Weston
)
2 2
Weston
h m d m v m/s g 9.8m/s2 L m Q m3/s

PE
Weston)NP3 200130 7. PE ( 50 ) 50 Weston
Q={(π2)/}
h (m) g (9.8m/s2) d (m) L (m) v (m/s) Q: m3/
PE
10-1 PE 1
0.1
1.0
10.0
100.0
(1 00 m )
/sec)
– 34 –
0.1
1.0
10.0
100.0
(1 00 m )
/sec)
(1 00 m )
/sec)
0.1
1.0
10.0
100.0
(1 00 m )
/sec)
(1 00 m )
/sec)
– 35 –
10 75
10-2 PE 2 Weston 10-3 PE 3 ( 11 )
TW Weston V 50
215
– 36 –
1. 1 1
2 3 4 5
2 1 11 12 2
12 PE

EF
EF

– 37 –
2
3
2. 1 1 PE
2 PE PE
2 1 1.5m 2 3 4
10cm
1
2 3 1.5m
4 5
– 38 –
3. 3.1
PE
JWWA B116 13 32
JWWA B116
PE
×
132025304050
20 × 1325 × 1325 × 2030 × 1330 × 2030 × 2540 × 20
40 × 2540 × 3050 × 2050 × 2550 × 3050 × 40
132025304050
45° 132025304050
13 × 1320 × 1320 × 2025 × 1325 × 2025 × 2530 × 13
30 × 2030 × 2530 × 3040 × 1340 × 2040 × 2540 × 30
40 × 4050 × 1350 × 2050 × 2550 × 3050 × 4050 × 50
132025304050
×
132025
1320
132025304050
13 × 20P13 × 25P20 × 13P20 × 25P25 × 13P
25 × 20P25 × 30P
JWWA B 116
132025304050
90° 132025304050
60° 132025304050
PE 33
33



14 JWWA B 116
13 25 30 50

30




34 Nm
13 20 25 30 40 50
40.0 60.0 80.0 110.0 130.0 150.0
– 42 –
20253040

FE
EF
EF( )

STOP!STOP! STOP!STOP!

φ D φ d
20
25
30
40
25
32
40
50
25
32
40
50
(t)
(t1)
(d)
1HDPE / PE100 ( ) 204kgf / cm2 (20MPa) / 11 JWWA K144

20
2. JIS JIS K 6762 3
ISO JIS (1 )
EF EF 2009
EF EF
( )
( ) ( )
2JP K 012 EF JP K 012
35
20 25 50 25 32 40 50 63
× EF EF
EF45°
× EF
32×25
50×32
50×40
63×50

× 63 EF 3 EF
36



200mm
3
1










– 46 –
EF EF
EF
EF 1


3.3
1 PE PE 18 19

VP
PE
21 21
PE PE PE PE PE
22

PE
22
23 24 60 90
PE

PE
– 50 –

PE
PE
– 51 –
120cm +10 15cm
3 10 15cm 4 10 15cm 10cm 10 15cm
1 PE

2mm
2 +30 70cm
PE

26
10 15cm
PE


26
PE
PE
2mm
a 2mm b
1 10 15cm
a b c

10cm
10cm
10cm 10cm
60cm
– 53 –
( )
BD30cm70cm
h
H
PE
PE
27 PE
1 2mm 2 3 10cm 4 h
a b c d 30cm e
30cm
30cm PE PE 30cm PE 28
PE 30cm
29 37 PE
– 54 –
PE 12
PE 3
JIS G 3442
JIS K 6742

13 21.5 – 32 35.7 30 31.0 20 27.0 25 40 41.6 40 40.0 25 34.0 32 50 52.9 50 51.0 30 42.0 40 65 67.9 75 77.2 40 48.0 50 65 67.9 75 77.2 50 60.0 63 80 80.7 75 77.2
– 55 –
5. 1 PE PE
2 PE PE 45 PE
3 PE
1 PE 1.2m
2 PE 45
6. 1 PE 2 PE 38
38 R : cm

13 20 25 30 40 50
55 70 85 105 120 150 110 135 170 210 240 300

25 32 40 50 63
3 80 100 120 150 200 1 25 2 50 3 30
3
1
2 PE 3 PE
R
2 PE
1 PE 30 31




PE
3 2
8.2
2
20cm 2
39



32

3
2
3 4
62 2
2 20
3
4
31 6
11.

12. 1 PE
2
3 PE
– 59 –
1. PE 1 1978 40 50 μ m 1995
2 1 Cl2
Cl2Cl HOClOCl
pH
Cl2 H2O ⇔ H Cl HOCl ⇔ H OCl 1
1pH Cl2 OCl pH pH 199070 80 HOCl
2 HOCl
HOCl → HCl O↑ 2 O
– 60 –

JIS K 6762
2 1.0mg/l 1.0mg/l
3 2 3 7.6 308.2
– 61 –
1 4
PE R24p63
PE 1
PE
α

2 α t× 2 × 0.7 × 2 × 0.8 × 2
mm
13 20 25 30 40 50
α 1.4t 4.9 5.6 7.0 7.8 9.1 11.2
mm
α 1.6t 3.4 4.0 5.1 6.3 7.8 9.8
3 4 PE
4 PE 5
5 PE 6
PE
PE 2
0.250.75MPa × t 8
2.0 × t1.9 × t1.8 × t1.7 × t1.6 × t1.5 × t1.4 × t1.3 × t 3 1
1 2050 2550 5m
mm 1 2 3 4 5 6 7 8 AB
1 20
A 3.95 4.02 4.05 4.02 3.99 3.98 3.98 3.99 4.00 3.99
B 3.93 4.03 4.00 3.98 3.98 3.94 3.97 3.98 3.98
50 A 7.95 7.98 7.90 8.02 8.09 8.20 8.16 8.08 8.05
8.03 B 8.02 7.94 7.90 7.87 8.03 8.21 8.09 8.05 8.01
1 2 3 4 5 6 7 8 AB
3 25
A 2.49 2.50 2.52 2.53 2.55 2.44 2.42 2.42 2.48 2.49
B 2.45 2.43 2.43 2.52 2.56 2.57 2.51 2.50 2.50
50 A 4.94 4.96 4.96 4.93 4.92 4.97 4.98 4.96 4.95
4.95 B 4.95 4.95 4.91 4.90 4.90 4.97 4.98 4.98 4.94
2 25 50A R24 MW2HP35EL5 MP-50
3
5m
1
2
3

0.5 30
P

t 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3
1 20 3.99 8.0 7.6 7.2 6.8 6.4 6.0 5.6 5.2
50 8.03 16.1 15.3 14.5 13.7 12.8 12.0 11.2 10.4
3 25 2.49 5.0 4.7 4.5 4.2 4.0 3.7 3.5 3.2
50 4.95 9.9 9.4 8.9 8.4 7.9 7.4 6.9 6.4
1 3
4 1 4 9 12
ml /
MPa
2 1.9 1.8 1.7 1.6 1.5 1.4 1.3
1 20
0.75 186 63 21 4.5 0.8 0.2
50 0.25 478 90 37 24 12 5
0.75 860 156 80 47 27 11
MPa
2 1.9 1.8 1.7 1.6 1.5 1.4 1.3
3 25
0.25 3.1 0.4 0.3 0.01 0 0.75 7.8 0.9 0.8 0.03 0
50 0.25 182 32 31 0.14 0.15 0.05 0
0.75 244 46 51 0.5 0.21 0.21 0
– 65 –
1 3 4)
1 ( ) 8 8 13 11
8 ()1 20
mm
() (t) 2.0t 1.9t 1.8t 1.7t 1.6t 1.5t 1.4t 1.3t 20 3.99 8.0 7.6 7.2 6.8 6.4 6.0 5.6 5.2 50 8.03 16.1 15.3 14.5 13.7 12.8 12.0 11.2 10.4
25 2.49 5.0 4.7 4.5 4.2 4.0 3.7 3.5 3.2 50 4.95 9.9 9.4 8.9 8.4 7.9 7.4 6.9 6.4
7
8 () m/
2t 1.9t 1.8t 1.7t 1.6t 1.5t 1.4t 1.3t 0.25 113 31 9.5 2 0.4 0.08 0.75 186 63 21 4.5 0.8 0.2 0.25 478 90 37 24 12 5 0.75 860 156 80 47 27 11
2t 1.9t 1.8t 1.7t 1.6t 1.5t 1.4t 1.3t 0.25 3.1 0.4 0.3 0.01 0 - - 0.75 7.8 0.9 0.8 0.03 0 - - 0.25 182 32 31 0.14 0.15 0.05 0 0.75 244 46 51 0.5 0.21 0.21 0

(MPa) ×t
9 ()1 50
10 () 25
11 () 50
10 1 50 9 ()1 50
10 () 25
11 () 50
11 25
0.25MPa
0.75MPa
0.25MPa
0.75MPa
0.25MPa
0.75MPa
12 50
5 1 2 1 20 1.8 10% 1
1 1.6 20% 50 ×
0.75MPa 1 1.4 30% /
1.3 35%
10 3 3 1 50 × 0.75MPa
1.8 10% 1 1
1.6 20%
6 1
0.25MPa
0.75MPa
3
20 2.0 0.30 3.4 1.70 1.58 1.48
25 2.3 0.40 4.0 1.74 1.60 1.48
32 3.0 0.40 5.1 1.70 1.59 1.50
40 3.7 0.50 6.3 1.70 1.59 1.50
50 4.6 0.60 7.8 1.70 1.59 1.50
63 5.8 0.70 9.8 1.69 1.59 1.51
1 1.4 5 1.29 1.53 × 3 1.6 1.74 1.48 × × 1.3 3 × 1.5
2.3 1

– 68 –
MPa 2.2 2.6 2.2 2.6 2.2 2.2
1 2 1 2 1 1
JIS K6762 2.2MPa 1000hr 2.4MPa 165hr

MPa 5.0 5.4 5.0 5.4 5.0 5.0
1 2 1 2 1 1
JIS K6762 5.0MPa 1000hr 5.4MPa 165hr
2 10 1 (2.6MPa) 50

MPa 2.2 2.6 2.2 2.6 2.2 2.2
MPa 0.73 0.87 0.73 0.87 0.73 0.73
hr 1027 307 222 1027 588 215 2008 2008


50
× 1.4 × 1.3

MPa 2.2 2.6 2.2 2.6 2.2 2.2
MPa 0.66 0.76 0.66 0.76 0.66 0.66
hr 1027 42 27 1027 97 22 2008 2008


– 69 –
MPa 5.0 5.4 5.0 5.4
MPa 1.01 1.09 1.01 1.09 1.01 1.01
hr
× 1.6 × 1.5

MPa 5.0 5.4 5.0 5.4 5.0 5.0
MPa 1.01 1.09 1.01 1.09 1.01 1.01
hr
– 70 –

13
2.5 1 × 1.4 30% 3 × 1.6 20% R=24 PE 1
1 × 1.6 × 1.8
– 71 –
3. 3.1 401 PE
PE 40
PE 1
2 11
11
0.75MPa
3
0.6MPa 20

3
PE 40

1 /
0.75MPa
3
PE
– 72 –

0.75MPa 10 0.6MPa
0.75MPa

3.2 PE

13
1 0.75MPa1MPa1.75MPa 3 14 2 9 10 15
16
3
12
4
11
1
3
4
16
14 15
31
0.75MPa

1 2 3
2 1 25 50 2 5m 3 3 1.5 4 1.0MPa 1.5MPa 5 6 1

16
3 1 12 20 10% 1.0MPa × 3 1.5MPa 1.0MPa 50 25

1 25
1 50
1.0MPa × 3 13% 14%
1.5MPa → 1.0MPa 29% 10% ×
4 2 3 17 20
– 74 –
25 50 1.5MPa 1MPa 4 2 / 5 / 3

10 10 12%
35
73
1.6
0
1.4
1.2
1
0.8
0.6
0.4
0.2
M Pa





18 1.5MPa(25A)
1 10 100 1000 10000
2 5 ( )

0
1.2
1
0.8
0.6
0.4
0.2
– 75 –
30
61
1.6
0
1.4
1.2
1
0.8
0.6
0.4
0.2
M Pa




12
20 1.5MPa(50)
1 10 100 1000 10000
2 5 ( )

0
1.2
1
0.8
0.6
0.4
0.2
– 76 –
5 1 2 10 12% 3 2 / 10 30%

– 77 –
PE

PE 1 PE PE
A)

B)

– 78 –
5. PE 13 JIS K 6900
13
1. batch release test

3. SDR standard dimension ratio

20 50 97.5 MPa
6. environmental stress cracking




ISO
11. compound

σ lcl ISO 12162 MPa
14. MOP m a x i m u m o p e r a t i n g pressure

15. effect to water quality
1997 “ ” JIS S 3200-7
16. plasticity

17. plastic deformation
ESCR PE 10% 50% 240
19. out-of-roundness

MRS
24. notch effect
– 80 –

26. specific gravity
40 1
27. strain

29. plastics

30. mean outside diameter
2
31. polyethylene pipe
PE 1 2
32. polyethylene resin
33. masterbatch compound

34. density
g/cm3
JIS









8.5
20
“ ” 82 “ ”
– 82 –
7. PE PE JWWA B 116:2012
JWWA B 116:2012
1 1 15
15
l
d a d1 d2
b l t B B1
T c

13 13
3 2
0.5
28 35 M31 × 2 20 20 29.3 16.4 15.5 3.0 35 42 M38 × 2 25 25 36.6 21.3 17.5 3.0 42 49 M45 × 2 30 30 45.0 28.0 20.0 3.5 53 60 M56 × 2 40 40 51.5 32.0 24.0 4.0 60 68 M63 × 2 50 50 64.5 41.0 30.0 4.5 74 82 M77 × 2
a d 19 d b d2 c T JIS B 0207:1982 5.1 5.2
– 83 –
1 62 34 5

1 a JIS H 5120 CAC406CAC411CAC900 CAC910
b JIS H 5121 CAC406 CCAC411CCAC900C CAC911C c C
2
3
a JIS G 4305 SUS304 b JIS H 5120 CAC406CAC411CAC900 CAC910 c JIS H 5121 CAC406CCAC411CCAC900C CAC911C d JIS H 3250 C3531a C6800 a
e C
4 POM
5
a JIS H 5120 CAC406CAC411CAC900 CAC910 b JIS H 5121 CAC406CCAC411CCAC900C CAC911C
c C 6 JIS H 3270 C5191W

1 CAC900 CAC902 CAC904 2 CAC910 CAC911 CAC912 3 CAC900C CAC902CCAC903C CAC904C 4 C6800 C6803 a JIS H 3250 B 1 70μm
– 84 –
1 17
L
B

31
B
T
T
29
Rc1/2 Rc3/4 Rc1 Rc1 Rc1 Rc2
26 31 38 47 54 66
a) , JIS B 0203
D
a)T
mm

L d
G3/4 G1
18 25 30 38 48
31 38 47 54 66 83
T a) , JIS B 0202:1999, , JIS B 0202:19992 B
a)TL
T
Bd
1
450mm 20[ 201.75MPa 1
300mm 25[mm
150mm 25mm 201.75MPa 1
500mm Hz 5 50 1.75MPa
– 86 –
20
1
2
3
4
5
6
21
1
2
3
22
1
2
3
4
5
6
– 87 –
8. PE PE PE PE JP K012:2019 JP K012:2019
1 1EF 23
O
JP K012:2019
1)
- L
l1
l2
5 10 3.0
25 34.40 ± 0.20 0.5 56 3.4 50 60.50 ± 0.20 0.9 65 7.1

0.4 52
5 10
3.0 32 32.0 0.5 56 3.0 40 40.0 0.6 58 3.7 50 50.0 0.8 60 4.6
a JIS K 6762 3 b 2 c b d I2 e t l1 l2
2 24
(2)
- t
S
25 25.0 0.3 0 1.2 2.3 52
32 32.0 0.3 0 1.3 3.0 56
40 40.0 0.4 0 1.4 3.7 58
50 50.0 0.4 0 1.4 4.6 60
S t a JIS K 6762 3
b 1/2 2
c b
2 4 JP K012:2019
1EF 25 25 EF
(2)

12 20 90±20 25 95±20 50 110±20
3
25 90±20 11 32 95±20 11 40 95±20 11 50 105±20 12
2EF 26 26 EF
(2)EF
Z

12 20 60±15 25 95±15 50 90±20
3
25 60±15 11 19 32 70±15 11 23 40 80±20 11 28 50 90±20 12 34
– 89 –
(2)EF
3
25 100±20 R3/4 32 110±20 R1 40 115±20 R1 1/4 50 125±20 R1 1/2
50×25 125±20 R3/4 50×32 125±20 R1
JIS B 0203
4 28 28
(2)EF
3
25 95±20 G1 32 105±20 G1 1/4 40 105±20 G1 1/2 50 120±20 G2
JIS B 0203
– 90 –
1
1P = 1dyns/cm = 1g/cms 1Pas = 1Ns/ m 1cP = 1mPas



m2/s cSt St
J kWh kgfm kcal



1
W/ m2K kcal/hm
1J = 1Ws1Wh = 3600Ws 1cal = 4.18605J 1
1.16279

1
1
2.38889×10 4
1 1W = 1J/sPS 1PS = 0.7355kW 1cal = 4.18605J 1cal = 4.18605J
– 92 –

6 1 1 2 0 2 0 2 2 7 8


103-0007 3 3 2 3
TEL 090-3302-3725 FAX 03-5695-3189

103-0007 3 3 2 3
TEL 090-3302-3725 FAX 03-5695-3189

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