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Threaded sleeves: consist of a tube with an internal thread which is anchored back into the concrete. For all the type of the cast-in-place anchors, the load-transfer mechanisms is the mechanical interlock, [3] i.e. the embedded part of the anchors in concrete transfers and the applied load (axial or shear) via bearing pressure at
Such anchors typically comprise tendons of high-tensile bundled steel strands or individual threaded bars. A tendon is grouted to the concrete or rock at its far (internal) end and has a significant de-bonded free length at its external end which allows the tendon to stretch during tensioning. Tendons may be full-length-bonded to the ...
anchor bolt: A special type of bolt that is set into concrete, with screw threads protruding above the concrete surface to accept a nut. breakaway bolt: A breakaway bolt is a bolt with a hollow threaded shank, which is designed to break away upon impact. Typically used to fasten fire hydrants, so they will break away when hit by a car. Also ...
The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...
Anchor bolt - Bolt designed to allow objects to be attached to concrete. The bolt head is usually placed in concrete before it has cured or placed before the concrete is poured, leaving the threaded end exposed. Arbor bolt - Bolt with a washer permanently attached and reversed threading.
Fasteners – Part 2: Technical delivery conditions; Bolts, Screws, Nuts and Similar Threaded and Formed Parts; Types and Dimensional Accuracy: Active: DIN EN ISO 4759-1: ISO 4759-1: DIN 267-3: Fasteners – Part 3: Technical delivery conditions; Property classes for carbon steel and alloy steel bolts and screws; Conversion of property classes ...