Pre-Stressed Concrete Producers

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Prestressed concrete, invented by Frenchman Eugène Freyssinet in 1928, is a method for overcoming concrete's natural weakness in tension. It can be used to produce beams, floors or bridges with a longer span than is practical with ordinary reinforced concrete. Prestressing tendons (generally of high tensile steel cable or rods) are used to provide a clamping load which produces a compressive stress that offsets the tensile stress that the concrete member would otherwise experience due to a bending load. Prestressing can be accomplished in two ways: Pre-tensioned concrete and Post-tensioned concrete.

• ASTM A 416 Steel Strand, Uncoated Seven-Wire For Prestressed Concrete
• ASTM A 421 Steel Wire Standards for Prestressed Concrete
• AS 1310 Steel Wire for Prestressed Concrete
• AS 1311 Steel Standards for Prestressed Concrete
• BS 5896 Steel Wire Standards for Prestressed Concrete
• BS 5896 Steel Standards for Prestressed Concrete

• Canadian Precast / Prestressed Concrete Institute
• International Bureau for Precast Concrete (BIBM)
• Precast/Prestressed Concrete Institute
• Prestressed Concrete Manufacturers Association Of California
• Turkish Precast Concrete Association
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Producers of Pre-Stressed Concrete Worldwide

• Who Produces Pre-Stressed Concrete
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