Sound attenuation barrier and panel therefor

Abstract

Abstract Embodiments relate to plastic wall panels and to wall sections and barriers formed with such panels. An example panel comprises: a hollow body having external walls and defining an internal cavity, the external walls including: a first major side wall, a second major side wall opposite the first major side wall, a minor top wall, a minor bottom wall, a first minor end wall and a second minor end wall opposite the first minor end wall. The minor top wall and the minor bottom wall each define wall structure configured so that multiple ones of the panel can be held by support structure to form at least part of a sound attenuation barrier. Abstract 20 26 24 90 10 07 O ct 2 02 6 A b s t r a c t 2 0 2 6 2 4 9 0 1 0 0 7 O c t 2 0 2 6

Claims

1. A rotationally moulded plastic wall panel, comprising:a hollow body having external walls and defining an internal cavity, the external walls including: a first major side wall, a second major side wall opposite the first major side wall, a minor top wall, a minor bottom wall, a first minor end wall and a second minor end wall opposite the first minor end wall;wherein the minor top wall and the minor bottom wall each define wall structure configured so that multiple ones of the panel can be held by support structure to form at least part of a sound attenuation barrier, andwherein attenuation of sound through the panel is at least about 25 decibels at frequencies between 250 Hz and 5000 Hz.

2. The panel of claim 1, wherein the hollow body defines a first passage extendingbetween the first and second major side walls.

3. The panel of claim 2, wherein the hollow body further defines a second passageextending between the first and second major side walls and through the first and second minor end walls.

4. The panel of any one of claims 1 to 3, wherein the first and second minor end wallshave a first length that is less than a second length of the minor top wall and the minor bottom wall.

5. The panel of claim 4, wherein the second length is between 2 and 6 times greaterthan the first length.

6. The panel of any one of claims 1 to 5, further comprising at least one bridgingportion where the first major side wall meets the second major side wall, the at least one bridging portion being located between the minor bottom and top walls and between the first and second minor end walls.2026249010   07 Oct 20267.      The panel of any one of claims 1 to 6, wherein the first major side wall is formed todefine a front face and the second major side wall is formed to define a back face, wherein the first and second minor end walls each define respective first and second projecting flanges that extend laterally beyond a lateral extent of the back face.

8. A plastic wall panel comprising rotationally moulded plastic, comprising:a hollow body having external walls and defining an internal cavity, the external walls including: a first major side wall, a second major side wall opposite the first major side wall, a minor top wall, a minor bottom wall, a first minor end wall and a second minor end wall opposite the first minor end wall;wherein the hollow body defines a passage extending between the first and second major side walls to receive a beam;wherein the first minor end wall has a different shape from the second minor end wall, the second minor end wall defining structure to align with corresponding structure of the second minor end wall of another adjacent one of the panel so that multiple ones of the panel can be tiled together to form at least part of a sound attenuation barrier.

9. A plastic wall panel, comprising:a hollow body having external walls and defining an internal cavity, the external walls including: a first major side wall, a second major side wall opposite the first major side wall, a minor top wall, a minor bottom wall, a first minor end wall and a second minor end wall opposite the first minor end wall;wherein the hollow body defines a passage extending between the first and second major side walls;wherein the first minor end wall has wall structure to align with corresponding structure of the second minor end wall of another adjacent one of the panel, the wall structure configured so that multiple ones of the panel can be held by support structure to form at least part of a sound attenuation barrier.2026249010   07 Oct 202610.     The panel of claim 8 or claim 9, wherein the passage is a first passage and the hollowbody further defines a second passage.

11. The panel of any one of claims 8 to 10, wherein the first and second minor end wallshave a first length that is greater than a second length of the minor top wall and the minor bottom wall.

12. The panel of claim 11, wherein the first length is between about 1.5 and about 4times greater than the second length.

13. The panel of any one of claims 8 to 12, wherein the first and second minor end wallsdefine respective first and second beam apertures to receive a reinforcing beam in a clearance fit.

14. The panel of any one of claims 8 to 13, wherein the first major side wall is formed todefine a front face and the second major side wall is formed to define a back face, wherein the first and second minor end walls each define a respective first and second projecting flanges that extend laterally beyond at lateral extent of the back face.

15. A panel assembly comprising the panel of any one of claims 8 to 14 and the anotherpanel, wherein when the panel is aligned with the another panel, the passage of the panel is aligned with the passage of the another panel.

16. A wall section, comprising first and second plastic wall panels of any one of claims 1to 15, wherein the wall structure of the first panel is aligned with the wall structure of the second panel.

17. The wall section of claim 16, further comprising a first reinforcing beam and whereinthe passage is a first passage and the hollow body of each panel defines a second passage spaced from the first passage, the second passage receiving a second reinforcing beam in a substantially parallel orientation with the first reinforcing beam.

18. The wall section of claim 17, wherein the first and second passages extend throughspaced upper and lower central regions of the cavity.2026249010   07 Oct 202619.     A method of forming a barrier, comprising:arranging a respective reinforcing beam to extend through a passage of each of a plurality of the panels of any one of claims 1 to 14; andpositioning each of the panels in slotted relation to flanged vertical supports to form the barrier.

20. The method of claim 19, wherein a plurality of the panels are held in verticalpositions by a flange of the flanged vertical support being received between an end flange of the panel and the reinforcing beam.

Images