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European Approval ETA Testng of Anchor Head The BBR Cona Multi can be used with galvanised steel and polyethylene ducting. The system is a bonded system with the ducting being pressure filled with a cementitious grout. ... The individual strands are anchored in a coon anchor head with a wedge grip system and the strands are simultaneously ...

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44004599-Ground-Anchor-Systems; of 60 ... The free-stress length also helps to minimize load loss due to movement at the anchor head during load transfer from the stressing jack. The Post Tensioning Institute recommends that for prestressed rock or soil anchors utilizing steel bars, the free-stress length shall be a minimum of 10 feet, and for ...

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