COMPOSITE HOOP TIE FOR CONCRETE

• US 20160097169A1
• Filed: 10/01/2014
• Published: 04/07/2016
• Est. Priority Date: 10/01/2014
• Status: Active Grant

• Current Assignee: Power Brace, LLC
• Original Assignee: Power Brace, LLC
• Inventors: Heady, Timothy P.
• Granted Patent: US 9,540,775 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: E01C 11/14 Dowel assembly ; Design or construction of reinforcements in the area of joints coupling devices for prefabricated units E01C5/005; combined with characteristic packings E01C11/08 - E01C11/12; removable holders E01C23/045
• CPC Class Codes: E04B 1/48 Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
• CPC Class Codes: E04C 5/162 Connectors or means for connecting parts for reinforcements E04C5/168 takes precedence
• CPC Class Codes: E04C 5/20 of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires E04C5/168 takes precedence

Abstract

A concrete tie is provided for joining together adjacent slabs of concrete. The tie includes a flat center portion which sits upon the subgrade, and opposite end portions which are inclined upwardly to extend into the concrete when the concrete is poured. The ties are made of a non-corrosive material to eliminate concrete spalling. The ties are formed as a continuous loop, with curved opposite ends.

Claims

1. A concrete tie for joining together adjacent slabs of concrete poured on a subgrade to form a joint between the slabs, the tie comprising:

a loop of non-corrosive material having a flat central portion configured to be sitting upon the subgrade while the concrete is poured and further configured to reside between the subgrade and the concrete after the concrete is poured, and angled portions inclined upwardly from opposite ends of the flat central portion so as to extend above the subgrade and reside within the poured concrete.

2. The concrete tie of claim 1 wherein the loop has a midpoint configured to be positioned beneath the joint.

3. The concrete tie of claim 1 wherein the loop has opposite forward and rearward sides and at least one cross brace extending between the sides.

4. The concrete tie of claim 1 wherein the loop is fiberglass.

5. The concrete tie of claim 1 wherein loop is continuous.

6. The concrete tie of claim 1 wherein each of the angled portions is configured to be positioned within one of the adjacent slabs of concrete and on opposite sides of the joint.

7. The concrete tie of claim 1 wherein the at least one cross brace comprises two cross braces arranged in a crisscross configuration.

8. The concrete tie of claim 1 wherein the ends are symmetrical to one another.

9. The concrete tie of claim 1 wherein the ends are inclined approximately 45°

above horizontal.

10. The concrete tie of claim 1 wherein the central portion is planar.

11. The concrete tie of claim 1 wherein the ends are curved.

12. A system for joining two adjacent slabs of concrete, the system comprising:

a longitudinal joint separating the two adjacent slabs;

a plurality of longitudinally spaced ties extending transversely across the longitudinal joint and into the concrete of each of the two adjacent slabs to tie the two adjacent slabs of concrete together; and

wherein each tie has a center section beneath the longitudinal joint and opposite left and right ends angled upwardly into the concrete of each of the two adjacent slabs.

13. The system of claim 12 wherein each tie is formed as a continuous loop of non-corrosive material.

14. The system of claim 13 wherein the loop has forward and rearward sides and at least one cross brace extending between the sides.

15. The system of claim 12 wherein the loop has opposite curved ends.

16. The system of claim 12 wherein the two adjacent slabs of concrete comprise left and right lanes of a concrete roadway.

17. The system of claim 12 wherein the ends are inclined approximately 45°

above horizontal.

18. The system of claim 12 wherein the center section is flat.