bridge using pc strand

Low relaxation pc strand

ISO 9001:2008, ISO14001:2004 Qualified ;
Low relaxation PC strand application for large-span bridges on railways and highway,rock-soil anchoring project,
multi-story industrial buildings,stadiums,coal mines,domes for nuclear power stations and etc.
Manufacturer comply to standard ASTM A416, BS5896, AS1311, JISG3536, ISO6934, EN10138

Low Relaxation PC Strand

Low Relaxation PC strand
Prestressed Concrete steel strands : Standard GB/T5224-2003
      PC strand consists of multi-wire spun together in the same direction and with the same lay length.Super low relaxation PC strand can be used for either prestressing or post-tensioning of concrete. Mainly application for making  prefabricated concrete elements like road Bridges,  hollow core slabs,   beams,   TT-slabs and  civil prestressed concrete pipe,nuclear power station project construction.   Typical post-tensioning projects are bridges,silos and off-shore constructions. PC strand consists of wires spun together in the same direction and with the same lay length.
      Super low relaxation PC strand can be used for either prestressing or post-tensioning of concrete.
They are predominantly used in prefabricated concrete elements like railway sleepers as well as
hollow core slabs, beams and TT-slabs, which can be found in residential, office or industrial
buildings. Typical post-tensioning projects are bridges, silos and off-shore constructions.

GB/T5224-2003 PC STRAND 1*7 wires
nominal diameter (mm) diameter tolerance (mm) area of section mm2 theoretical weight per 1000 metre(kg) strength grade Mpa min breaking strength KN min yield strength KN min elongation at max load L0≥500mm initial load 60% initial load 70% initial load 80%
relaxation value 1000h no more than
9.5 +0.30 -0.15 54.8 430 1720 94.3 84.9 3.5% 1.0% 2.5% 4.5%
1860 102 91.8
1960 107 96.3
11.10 +0.30 -0.15 74.2 582 1720 128 115 3.5% 1.0% 2.5% 4.5%
1860 138 124
1960 145 131
12.70 +0.40 -0.20 98.7 775 1720 170 153 3.5% 1.0% 2.5% 4.5%
1860 184 166
1960 193 174
15.20 +0.40 -0.20 140 1101 1470 206 185 3.5% 1.0% 2.5% 4.5%
1570 220 198
1670 234 211
1720 241 217
1860 260 234
1960 274 247
15.70 +0.40 -0.20 150 1178 1770 266 239 3.5% 1.0% 2.5% 4.5%
1860 279 251
17.80 +0.40 -0.20 191 1500 1720 327 294 3.5% 1.0% 2.5% 4.5%
1860 353 318

COIL WEIGHT:
Coils weights between 2.5 and 3.5MT.
PACKAGING:
All coils are wrapped in a protective polyweave with metals strapping. Strapped to wooden or steel
pallets (Bespoke weight and size according to the requiement of clients).

PC Strand China Standard:GB/T5224-2003
PC Strand Japan Standard:JISG 3536-1994
PC Strand Americas Standard:ASTM A416-2002
PC Strand UK Standard:BS 5896-1980
PC Strand Austrilia Standard:AS1311-1987

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PC Wire and Strand Specialist

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Add: daqiuzhuang industry area Jinghai,Tianjin 301605,China

TEL:0086-22-2955681 FAX:0086-22-2639851

Email:sales@pc-strand-china.com

MSN: pc-strand-china@hotmail.com