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Load transfer apparatus for cast-in-place concrete slabs
Load transfer apparatus for cast-in-place concrete slabs
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机译:现浇混凝土板的荷载传递装置
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摘要
A tapered dowel bar for transferring loads across a joint between adjacent concrete slabs is disclosed. The dowel tapers from one relatively wide cross section into one or more relatively narrow ends. The shape of the dowel is optimized to provide the highest amount of steel along the joint where the loads are highest. The tapered dowel is embedded in one or both sides into a socket assembly that connects the dowel to essentially planar top and bottom surfaces of a pocket former embedded in the concrete. The load transfer assembly restricts any relative vertical displacement between the first and second slabs. The socket assembly embedded in the pocket former or equipped with compressible material accommodates relative horizontal movement between adjacent slabs in directions essentially parallel and perpendicular to the joint.
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