METHOD OF FORMING, INSTALLING AND A SYSTEM FOR ATTACHING A PRE-FABRICATED PAVEMENT SLAB TO A SUBBASE AND THE PRE-FABRICATED PAVEMENT SLAB SO FORMED
First Claim
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1. A pre-fabricated pavement slab comprising:
- at least one connector extending from a first end of the slab;
at least one mating interconnection formed within a second end thereof to receive the connector, wherein the interconnection is accessible from a top surface of the slab; and
a plurality of channels formed within a bottom surface of the slab, wherein at least one channel is accessible from the top surface of the slab.
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Abstract
A pre-fabricated pavement slab having a binder distribution system and an interconnection system formed for attachment of the bottom surface of the slab, wherein both the binder distribution system and the interconnection system are accessible from the top surface of the slab, such that the binder material may be injected into the binder distribution and interconnection systems from the top surface of the slab.
8 Citations
54 Claims
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1. A pre-fabricated pavement slab comprising:
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at least one connector extending from a first end of the slab; at least one mating interconnection formed within a second end thereof to receive the connector, wherein the interconnection is accessible from a top surface of the slab; and a plurality of channels formed within a bottom surface of the slab, wherein at least one channel is accessible from the top surface of the slab. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A system for installation of a pre-fabricated pavement slab comprising:
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a binder distribution system formed for attachment of bottom surface of the slab and accessible from a top surface of the slab; and an interconnection system along edges of the slab and accessible from the top surface of the slab. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
at least one channel formed within the bottom surface of the slab; and at least one port connecting the channel to the top surface of the slab.
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30. The system of
claim 28 , wherein the interconnection system further comprises:-
a plurality of reinforcement bars extending from a first end of the slab; a plurality of mating interconnection slots formed within the bottom of the slab at a second end thereof; and a plurality of interconnection slots formed within the bottom of the slab at a first and second side thereof.
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31. The system of
claim 30 , wherein the interconnection slots formed within the second end and first and second sides further comprise at least one port connecting the slots to the top surface of the slab. -
32. The system of
claim 30 , wherein the interconnection slots comprise inverted openings having a top width greater than a base width. -
33. The system of
claim 30 , wherein the interconnection slots comprise inverted holes having rounded tops and at least one shear pin formed along side of the holes. -
34. The system of
claim 30 , wherein the interconnection slots comprise inverted holes having substantially vertically oriented sides, wherein the sides have a roughened surface. -
35. The system of
claim 28 , further comprising a gasket formed along a perimeter of the bottom surface of the slab. -
36. The system of
claim 35 , wherein the gasket forms a plurality of chambers on the bottom surface of the slab. -
37. The system of
claim 28 , further comprising a reinforcement mat formed within the slab substantially near the top surface of the slab. -
38. The system of
claim 28 , further comprising a reinforcement mat formed within the slab substantially near the bottom surface of the slab. -
39. The system of
claim 28 , wherein the interconnection system is post tensioned.
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40. A method of installing a pre-fabricated pavement slab, comprising:
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placing the slab on a graded subbase; and uniformly distributing a binder material along a bottom surface of the slab via at least one access in a top surface of the slab. - View Dependent Claims (41, 42, 43, 44, 45, 46)
providing a binder distribution system, having at least one access opening extending from a top surface of the slab to the channel; and injecting the binder material through the access and into the channel until the binder material is uniformly distributed between the bottom surface of the slab and the subbase.
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44. The method of
claim 43 , wherein the binder distribution system comprises a plurality of channels. -
45. The method of
claim 40 , wherein the binder material comprises grout. -
46. The method of
claim 40 , wherein the binder material comprises a polymer foam.
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47. A method of forming a prefabricated pavement slab comprising:
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providing a form for forming a binder distribution system within a bottom surface of the slab; pouring a pavement material into the form; and incorporating a plurality of interconnections within a first end of the slab. - View Dependent Claims (48, 49, 50, 51, 52)
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53. A device comprising:
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a first slab and a second slab, wherein the first and second slabs further comprise a binder distribution system formed within a bottom surface of the first and second slabs; and a shear transfer device between the first and second slabs. - View Dependent Claims (54)
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Specification