B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 31/02 (2006.01) B23K 9/032 (2006.01) B23K 9/04 (2006.01) B23K 33/00 (2006.01) F16B 7/00 (2006.01)
Patent
CA 2518354
A method for welding an end of a polygonal hollow section (PHS) to a member comprises the step of forming a weld across a surface of the PHS. The weld extends continuously from a connection weld connecting the PHS and the member to a location remote from the connection weld. The surface of the PHS is typically one or more flanges of the PHS, and the PHS is typically an RHS or SHS, such that the surface can be part of just one flange. A method for increasing the rotation capacity in a welded moment connection between a PHS and a member is also defined. The method comprises the step of forming a weld between the PHS and the member in a manner such that strain in corner(s) of the PHS, located at an end of the PHS that is weld connected to the member, is redistributed to an adjacent flange of the PHS. Alternatively the method may comprise the step of forming a weld between the PHS and the member in a manner that minimises the extent to which a heat effected zone through a flange of the PHS lies in a fracture zone adjacent to an internal end of the weld.
L'invention porte sur un procédé de soudure de profilés polygonaux creux (PHS) à un élément consistant à former une soudure traversant une surface du PHS s'étendant de manière continue entre une soudure de connexion reliant le PHS à l'élément et un point distant de la soudure de connexion, ladite surface du PHS (généralement carré ou rectangulaire) étant normalement constituée par la surface d'un seul de ses côtés. L'invention porte également sur un procédé d'accroissement de la capacité de rotation d'une connexion soudée soumise à un couple, réalisée entre un PHS et un élément, consistant à former une soudure entre le PHS et l'élément de manière à ce que les contraintes sur les coins de l'extrémité du PHS soudée à l'élément soient redistribuées sur un côté voisin du PHS. En variante, le procédé peut consister à former une soudure entre le PHS et l'élément de manière à réduire l'extension, dans la zone de fracture voisine de l'extrémité intérieure de la soudure, de la zone affecté par la chaleur traversant l'un des côtés du PHS.
Teh Lip
Onesteel Trading Pty Limited
Oyen Wiggs Green & Mutala Llp
The University Of Sydney
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