Reinforced concrete bridge decking and method of making same
First Claim
1. A reinforced concrete panel, comprising:
- a metallic frame having opposite, longitudinally extending sides and opposite ends;
longitudinally projecting tongue means on the opposite ends of the panel, for supporting the panel on a supporting surface;
said frame being substantially filled with reinforced concrete; and
a thin, abrasive layer bonded on top of the concrete, said abrasive layer defining an anti-skid surface, and being formed of a calcined bauxite mix and thus substantially increasing the strength of the concrete panel.
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Abstract
Reinforced concrete bridge decking comprises a plurality of substantially identical, removable, interchangeable reinforced concrete panels having protruding tongues at opposite ends supported on and retained in place by resilient, shock absorbing pads. The panels each have a metallic frame substantially filled with concrete, and an abrasive material layer is bonded on the top surface of the concrete. The abrasive material layer provides a hard, salt resistant, anti-skid surface on the concrete panels, and also serves to strengthen the panels. The resilient pads are readily removable to release the individual panels, so that a tool can be engaged with the panels in the spaces defined between the tongues at the opposite ends thereof to remove the individual panels for maintenance or repair, or to interchange the panels with one another.
24 Citations
18 Claims
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1. A reinforced concrete panel, comprising:
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a metallic frame having opposite, longitudinally extending sides and opposite ends; longitudinally projecting tongue means on the opposite ends of the panel, for supporting the panel on a supporting surface; said frame being substantially filled with reinforced concrete; and a thin, abrasive layer bonded on top of the concrete, said abrasive layer defining an anti-skid surface, and being formed of a calcined bauxite mix and thus substantially increasing the strength of the concrete panel. - View Dependent Claims (2, 3, 4, 5)
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6. Deck structure for bridges or the like, comprising:
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deck support means comprising a sub-decking; a plurality of parallel, spaced apart rails extending across the deck and secured on the deck support means, said rails each having laterally projecting foot flanges and a laterally enlarged head; a plurality of deck panels spanning the distance between adjacent rails and supported on said rails; resilient bearing pads engaged between the panels and the foot flanges of the rails to resiliently support the panels on the rails; and resilient locking wedges engaged between the panels and the head of the rails to retain the panels in place on the rails, said resilient bearing pads and locking wedges comprising the only connection between the panels and rails. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18)
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16. The method of constructing a deck structure for bridges or the like, comprising the steps of:
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providing a plurality of substantially identical deck panels; securing a plurality of parallel, spaced apart rails each having laterally projecting foot flanges and a laterally enlarged head, on a sub-decking; placing resilient bearing pad means on the foot flanges of the rails; placing the panels to span the distance between adjacent rails with opposite ends thereof resting on the resilient bearing pads; and inserting resilient locking means between the head of the rails and the ends of the panels to secure the panels in place.
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Specification