Structural element reinforcement systems and methods
Systems for reinforcement of structural elements such as piles, posts, pillars, and pipes are disclosed. The present invention features reinforced structural elements. The reinforced structural elements may include a sleeve structure positioned around a length of the structural element such that there is a chamber between the structural element and the sleeve structure. This chamber may be filled with concrete or another core filler material so as to reinforce the structural element. The sleeve structures of the present invention may be formed by the assembly of multiple staggered segmented layers of coupled reinforcing shells such as rigid, semi-rigid, or flexible fiber-reinforced shells.
1. A system for reinforcing a structural element ( 402 ), comprising:
a. a plurality of reinforcing shells ( 420 ) configured to form a sleeve structure ( 410 ) around a length ( 405 ) of the structural element ( 402 ) such that there is a chamber ( 406 ) between the structural element ( 402 ) and the sleeve structure ( 410 ), wherein the sleeve structure ( 410 ) comprises:
i. a first segmented layer ( 412 ), comprising a plurality of stacked segments ( 416 ) and a plurality of horizontal seams ( 418 ) between the segments ( 416 ), the segments ( 416 ) disposed along an axis ( 404 ), wherein each segment ( 416 ) comprises two or more rigid or semi-rigid reinforcing partial-diameter shells ( 420 ) and two or more vertical seams ( 424 ) between the rigid or semi-rigid reinforcing partial-diameter shells ( 420 ); and
b. a plurality of axial reinforcing members ( 440 ) configured to be disposed within the chamber ( 406 ) so as to provide axial reinforcement of the structural element ( 402 );
c. a plurality of axial reinforcing member spacers ( 442 ) configured to extend inwardly from the sleeve structure ( 410 ) into the chamber ( 406 ) and to connect the axial reinforcing members ( 440 ) to the sleeve structure ( 410 ); and
d. a core filler material ( 426 ) configured to fill the chamber ( 406 ) between the sleeve structure ( 410 ) and the structural element ( 402 ) so as to reinforce the structural element ( 402 ).
2. The system of claim 1 , wherein the plurality of axial reinforcing members ( 440 ) comprises N axial reinforcing members, disposed around the structural element ( 402 ) about every 360/N degrees.
3. The system of claim 1 , wherein each of the plurality of axial reinforcing members ( 440 ) are segmented.
4. The system of claim 3 , wherein a segment of the axial reinforcing members ( 440 ) has a length of about equal to a height of an integer number of the plurality of stacked segments ( 416 ).
5. The system of claim 3 , wherein the segments of the axial reinforcing members ( 440 ) are vertically staggered.
6. The system of claim 1 , additionally comprising a plurality of spacers ( 454 ) attached to inner surfaces of the reinforcing partial-diameter shells ( 420 ) so as to hold the sleeve structure ( 410 ) in a desired orientation around the structural element ( 402 ).
7. The system of claim 1 , wherein the axial reinforcing members ( 440 ) are configured to support the sleeve structure ( 410 ) as it is lowered around the structural element ( 402 ).
8. The system of claim 1 , additionally comprising a bottom seal ( 470 ) configured to be attached to a bottom segment of the sleeve structure ( 410 ) via a bottom seal fastener ( 472 ) so as to prevent the core filler material ( 426 ) from leaking out of the chamber ( 406 ).
9. The system of claim 1 , wherein each of the plurality of axial reinforcing member spacers ( 442 ) is attached to an interior surface of one of the rigid or semi-rigid reinforcing partial-diameter shells ( 420 ).
10. The system of claim 9 , wherein each of the plurality of axial reinforcing member spacers ( 442 ) is attached to an interior surface of one of the rigid or semi-rigid reinforcing partial-diameter shells ( 420 ) via an adhesive.
11. The system of claim 1 , wherein each of the plurality of axial reinforcing member spacers ( 442 ) is attached to an interior surface of one of the rigid or semi-rigid reinforcing partial-diameter shells ( 420 ) at an angular distance from the vertical seams ( 424 ).
12. The system of claim 1 , wherein the axial reinforcing members ( 440 ) are vertical rods which are connected via circular reinforcing hoops.
13. The system of claim 1 , wherein each stacked segment ( 416 ) of the first segmented layer ( 412 ) is connected to one or more of the axial reinforcing members ( 440 ) via one or more axial reinforcing member spacers ( 442 ).
14. The system of claim 1 , wherein the connection between the axial reinforcing member spacers ( 442 ) and the axial reinforcing members ( 440 ) is such that the axial reinforcing member spacers ( 442 ) may slide along the axial reinforcing members ( 440 ).
15. The system of claim 1 , wherein the axial reinforcing member spacers ( 442 ) are rigid, and configured to hold the axial reinforcing members ( 440 ) at a spacer distance from an interior surface of one of the rigid or semi-rigid reinforcing partial-diameter shells ( 420 ).
16. A system for reinforcing a structural element ( 402 ), comprising:
a. a sleeve structure ( 410 ) comprising a plurality of reinforcing shells ( 420 ), configured to surround a length ( 405 ) of the structural element ( 402 ) such that there is a chamber ( 406 ) between the structural element ( 402 ) and the sleeve structure ( 410 ), wherein the sleeve structure ( 410 ) comprises:
i. one or more stacked segments ( 416 ), the segments ( 416 ) disposed along an axis ( 404 ), wherein each segment ( 416 ) comprises two or more rigid or semi-rigid reinforcing partial-diameter shells ( 420 ) and two or more vertical seams ( 424 ) between the rigid or semi-rigid reinforcing partial-diameter shells ( 420 );
b. a plurality of segmented axial reinforcing members ( 440 ) configured to be connected to the sleeve structure ( 410 ) so as to provide axial reinforcement of the structural element ( 402 ); and
c. a core filler material ( 426 ) configured to fill the chamber ( 406 ) between the sleeve structure ( 410 ) and the structural element ( 402 ) so as to reinforce the structural element ( 402 ).
17. The system of claim 16 , wherein the sleeve structure ( 410 ) and the plurality of axial reinforcing members ( 440 ) are configured to be lowered relative to the structural element ( 402 ).
18. A system for reinforcing a structural element ( 402 ), comprising:
a. a plurality of reinforcing shells ( 420 ) configured to form a sleeve structure ( 410 ) around a length ( 405 ) of the structural element ( 402 ) such that there is a chamber ( 406 ) between the structural element ( 402 ) and the sleeve structure ( 410 ), wherein the sleeve structure ( 410 ) comprises:
i. a first segmented layer ( 412 ), comprising a plurality of stacked segments ( 416 ) and a plurality of horizontal seams ( 418 ) between the segments ( 416 ), the segments ( 416 ) disposed along an axis ( 404 ), wherein each segment ( 416 ) comprises two or more rigid or semi-rigid reinforcing partial-diameter shells ( 420 ) and two or more vertical seams ( 424 ) between the rigid or semi-rigid reinforcing partial-diameter shells ( 420 ); and
ii. one or more wrapped layers ( 430 ), each wrapped layer ( 430 ) formed by wrapping a flexible reinforcing material around one of the segmented layers or another of the wrapped layers ( 430 ); and
b. a core filler material ( 426 ) configured to fill the chamber ( 406 ) between the sleeve structure ( 410 ) and the structural element ( 402 ) so as to reinforce the structural element ( 402 ).
19. The system of claim 18 , wherein a first wrapped layer ( 430 ) and a second wrapped layer ( 430 ) are wrapped in opposite directions so as to produce a crossed pattern.
20. The system of claim 18 , additionally comprising:
a. a plurality of axial reinforcing members ( 440 ) configured to be disposed within the chamber ( 406 ) so as to provide axial reinforcement of the structural element ( 402 ); and
b. a plurality of axial reinforcing member spacers ( 442 ) configured to extend inwardly from the sleeve structure ( 410 ) into the chamber ( 406 ) and to connect the axial reinforcing members ( 440 ) to the sleeve structure ( 410 ).