US 12,247,390 B2
Structural plates and methods of constructing arch-shaped structures using structural plates
Michael W. Wilson, Sackville (CA); and Wayne Ford, Moncton (CA)
Assigned to AIL International Inc., Sackville (CA)
Appl. No. 17/769,946
Filed by AIL INTERNATIONAL INC., Sackville (CA)
PCT Filed Oct. 19, 2020, PCT No. PCT/CA2020/051404
§ 371(c)(1), (2) Date Apr. 18, 2022,
PCT Pub. No. WO2021/072560, PCT Pub. Date Apr. 22, 2021.
Claims priority of provisional application 62/923,236, filed on Oct. 18, 2019.
Prior Publication US 2022/0381023 A1, Dec. 1, 2022
Int. Cl. E04B 1/32 (2006.01); E04B 1/38 (2006.01); E04B 5/02 (2006.01); E04C 2/32 (2006.01); E04C 2/08 (2006.01)
CPC E04B 1/3205 (2013.01) [E04B 1/388 (2023.08); E04C 2/322 (2013.01); E04C 2/50 (2013.01); E04B 2001/3276 (2013.01); E04B 2103/06 (2013.01); E04C 2/08 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An arch-shaped structure comprising:
a first pair of structural plates respectively having plate corrugations extending transversely of a longitudinal length of the arch-shaped structure, the respective plates of the first pair of structural plates including a transverse end having at least one plate aperture adjacent a transverse edge, wherein the respective plates of the first pair of structural plates include a first pair of circumferential plate edges;
a first joiner plate securing the first pair of structural plates in non-overlapping arrangement at first non-overlapping transverse edges of the first pair of structural plates, wherein the first joiner plate includes joiner corrugations nested with the plate corrugations, and wherein the first joiner plate includes at least one joiner aperture aligning with the at least one plate aperture of the respective plates of the first pair of structural plates to receive fastening bolts, and wherein the first joiner plate includes a pair of first circumferential joiner edges, and wherein the respective first circumferential joiner edges overlap corresponding first circumferential plate edges;
a second pair of structural plates respectively including a second pair of circumferential plate edges, the second pair of structural plates joined to the first pair of structural plates by overlapping abutment along circumferential plate edges; and
a second joiner plate securing the second pair of structural plates in non-overlapping arrangement at second non-overlapping transverse edges of the second pair of structural plates, and wherein the second joiner plate includes a pair of second circumferential joiner edges, and wherein the respective second circumferential joiner edges overlap corresponding second circumferential plate edges,
and wherein the first non-overlapping transverse edges being offset from the second non-overlapping transverse edges in a circumferential direction, and wherein the first circumferential joiner edges and the second circumferential joiner edges are non-overlapping.