bridge using pc strand

prestressed steel strand

ISO 9001:2008, ISO14001:2004 Qualified ;
Prestressed steel 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

Prestressed steel strand (Low Relaxation PC strand)
Prestressed Concrete steel strands : Standard BS5896-1980
      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.

BS5896-1980 1*7 wires
type nominal diameter (mm) diameter tolerance (mm) area of section mm2 theore-tical weight per 1000 metre (kg) strength grade Mpa min breaking strength KN min yield strength KN

min elong- ation at max load L0≥ 500mm

initial load 60% initial load 70% initial load 80%
relaxation value 1000h no more than
standard 7-wire 9.3 +0.30 -0.15 52 408 1770 92 81 3.5% 1.0% 2.5% 4.5%
11.0 71 557 1770 125 110
12.5 +0.40 -0.20 93 730 1770 164 144
15.2 139 1090 1670 232 204
super
7-wire
9.6 +0.3 -0.15 55 432 1860 102 90 3.5% 1.0% 2.5% 4.5%
11.3 75 590 1860 139 122
12.9 +0.4
-0.2
100 785 1860 186 163
15.7 150 1180 1770 265 233

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 coil weight and sizes ccording 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 Strand Application

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PC Wire and Strand Specialist

PC 2-wire strand,   PC 3-wire Strand,

PC 7-wire strand,   PC 19-wire Strand,

Unbonded PC Strand,   PC wire Manufacturer

Contact us

Add: daqiuzhuan 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