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UNBONDED P.C STRAND PC Grease ϸ鼭 H.D.P.E
     ǰ ļ մϴ.
UNBONDED P.C STRAND ũƮ ý ʿ
  ǰ  ý ۾ Ǵ ׶ ۾ ִ
  Ǿֽϴ.
 
CABLE STAYED BRIDGE(屳) STAY CABLE
P.C
žī(EARTH ANCHOR)
ī(ROCK ANCHOR)

˺
ϱ ϰ
ǹ SLAB
 
Test Item Unit 15.2mm 15.7mm
Grade 1860 Grade 1770 Grade 1860
P.C Strand mm +0.2, -0.1 +0.2, -0.1 +0.2, -0.1
߷ kg/km 1,100 1,172 1,172
ܸ 140 150 150
MPa 1860 1770 1860
Ĵ kN Min. 261 Min. 266 Min. 279
׺(1%Ext) kN Min. 234.6 Min. 234 Min. 251.4

(G/L=500mm)
% Min. 3.5 Min. 3.5 Min. 3.5
Relaxation(%)
(MUTS70% )
% Max. 2.5
(1,000hrs)
Max. 2.5
(1,000hrs)
Max. 2.5
(1,000hrs)
ź kN/ 185~205 185~205 185~205
Deflected Tensile Test
(One Pin)
kN Ĵ
80% ̻
Ĵ
80% ̻
Ĵ
80% ̻
Fatigue
(Stress Range)
MPa 300 300 300
HDPE
Coated
Strand
mm Max. 19.0 Max. 19.5 Max. 19.5
HDPE β mm 1.5~2.0 1.5~2.0 1.5~2.0
WAX ߷ g/m 5~12 5~12 5~12
Ǻ ߷ kg/km Min. 1,240 Min. 1,300 Min. 1,300
 
ITEN Reel Size(mm)
Flange
(A)
Width
(B)
Barrel
(C)
Flange
Thickness
(D)
Spindle
Hole
Wooden
Reel
1600 830 950 82 80
 
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