Expansion joint system including damping means
First Claim
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1. An expansion joint system for a roadway construction wherein a gap is defined between adjacent first and second roadway sections, said expansion joint system extending across said gap to permit vehicular traffic, said expansion joint system comprising:
- transversely extending load bearing members having top and bottom surfaces, wherein said top surface is adapted to support vehicular traffic;
elongated support members having opposite ends extending longitudinally across said expansion joint from said first roadway section to said second roadway section, wherein said elongated support members are positioned below said transversely extending load bearing members;
means for movably engaging said elongated support members with at least one of said transversely extending load bearing members; and
dampers positioned between at least one of said transversely extending load bearing members and said means for engaging said elongated support members with at least one of said transversely extending load bearing members.
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Abstract
An expansion joint system for roadway constructions is provided incorporating dampers that are designed to protect the roadway constructions from the effects of disturbances caused by seismic events and vehicular traffic by absorbing and dissipating mechanical vibration energy.
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Citations
35 Claims
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1. An expansion joint system for a roadway construction wherein a gap is defined between adjacent first and second roadway sections, said expansion joint system extending across said gap to permit vehicular traffic, said expansion joint system comprising:
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transversely extending load bearing members having top and bottom surfaces, wherein said top surface is adapted to support vehicular traffic;
elongated support members having opposite ends extending longitudinally across said expansion joint from said first roadway section to said second roadway section, wherein said elongated support members are positioned below said transversely extending load bearing members;
means for movably engaging said elongated support members with at least one of said transversely extending load bearing members; and
dampers positioned between at least one of said transversely extending load bearing members and said means for engaging said elongated support members with at least one of said transversely extending load bearing members. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 31)
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11. An expansion joint system for a roadway construction wherein a gap is defined between adjacent first and second roadway sections, said expansion joint system extending across said gap to permit vehicular traffic, said expansion joint system comprising:
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transversely extending load bearing members having top and bottom surfaces, wherein said top surface is adapted to support vehicular traffic;
elongated support members having opposite ends extending longitudinally across said expansion joint from said first roadway section to said second roadway section, wherein said elongated support members are positioned below said transversely extending load bearing members;
at least one first receptacle for accepting an end of one longitudinally extending elongated support member, wherein said first receptacle for accepting substantially restricts transverse movement within said one first receptacle for accepting, but permits longitudinal and vertical movement within said first receptacle for accepting;
at least one second receptacle for accepting an end of one longitudinally extending elongated support member, wherein said second receptacle for accepting substantially restricts longitudinal movement within said second receptacle for accepting, but permits transverse and vertical movement within said second receptacle for accepting, wherein said one elongated support member has one end located within said first receptacle for accepting and the opposite end located in said second receptacle for accepting;
means for movably engaging said elongated support members with at least one of said transversely extending load bearing members; and
dampers connected between said ends of said elongated support members and at least one of (i) said first receptacle for accepting said elongated support members and (ii) said second receptacle for accepting said elongated support members. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 32)
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21. An expansion joint system for a roadway construction wherein a gap is defined between adjacent first and second roadway sections, said expansion joint system extending across said gap to permit vehicular traffic, said expansion joint system comprising:
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transversely extending load bearing members having top and bottom surfaces, wherein said top surface is adapted to support vehicular traffic;
elongated support members having opposite ends extending longitudinally across said expansion joint from said first roadway section to said second roadway section, wherein said elongated support members are positioned below said transversely extending load bearing members;
means for movably engaging said elongated support members to at least one of said transversely extending load bearing member;
at least one expansion and contraction means for controlling the spacing between said load bearing members comprising pivotably attached arms that are movably engaged with said load bearing members; and
dampers connected to said pivotably attached arms of said expansion and contraction means. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 33)
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34. An expansion joint system for a roadway construction wherein a gap is defined between adjacent first and second roadway sections, said expansion joint system extending across said gap to permit vehicular traffic, said expansion joint system comprising:
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transversely extending load bearing members having top and bottom surfaces, wherein said top surface is adapted to support vehicular traffic;
elongated support members having opposite ends extending longitudinally across said expansion joint from said first roadway section to said second roadway section, wherein said elongated support members are positioned below said transversely extending load bearing member;
means for movably engaging said elongated support members with at least one of said transversely extending load bearing members; and
dampers connected between at least two components selected from the group consisting of (a) said transversely extending load bearing members, (b) said elongated support members, and (c) said means for movably engaging said elongated support members with at least one of said transversely extending load bearing members. - View Dependent Claims (35)
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Specification