Compensating highway joint

Details Compensating highway joint Compensating highway joint

1986-05-19

1988-06-21

Murtagh, John E.

Road structure, process, or apparatus

Pavement

Including joint means

52396, 52573, 404 49, E01C 1112

Patent

active

047521538

ABSTRACT:
The invention pertains to a compensating highway joint system for interconnecting adjacent concrete highway sections having obliquely disposed end joints. The highway joint utilizes a V-shaped vertical separator plate which forms a tongue and groove relationship between adjacent highway sections and the separator plate supports a plurality of elongated slab bolts having opposite end regions embedded within the adjacent sections. A portion of the central region of the slab bolts is provided with a jacket of elastomeric material to provide a clearance from the surrounding concrete permitting the bolts to bend, and the ends of the bolts are provided with power cells which engage the concrete and are mounted on the bolts for limited axial displacement thereon and include spring structure to prevent excessive tension forces from being imposed on the slab bolts during extreme temperature changes.

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