Continuous pavement process for a bridge surface expansion joint

Details Continuous pavement process for a bridge surface expansion joint Continuous pavement process for a bridge surface expansion joint

1984-11-30

1986-10-14

Leppink, James A.

Road structure, process, or apparatus

Process

Providing expansion joint

14 165, 14 73, 404 57, 403364, 52396, E01C 1102

Patent

active

046169547

ABSTRACT:
An improved continuous pavement process for a bridge surface comprises the steps of arraying a plurality of bridging metals in a hollow space provided between adjacent floor slabs of a bridge. Each of the plurality of bridging metals comprises a generally U-shaped member, which extends in the direction of a longitudinal bridge axis with its tip end opened and includes pieces being bent 180.degree. and extending outside from the upper edges of the base portions of the respective side pieces thereof so as to form an inverse U-shaped cross-section jointly with the corresponding side piece, in such manner that a side piece of the generally U-shaped member of one of adjacent bridging metals may loosely and movably fit in the inverse U-shaped cross-section of the other bridging metal. Thereafter, the improved process comprises the further steps of fixedly securing base end portions of alternate ones of the arrayed bridging metals to the corresponding one of the adjacent floor slabs, then filling the hollow space with an asphalt mixture, and subsequently depositing an asphalt mixture surface layer over the above-described asphalt mixture and the respective floor slabs so as to be freely slidable.

REFERENCES:
patent: 3838931 (1974-10-01), Valla
patent: 4015302 (1977-04-01), Clark
Watson, Steward "Zero Maintenance Expansion Joints & Bearings" (Watson Bowman Assoc.) 8-1978, pp. 22-24.

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