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deflection of portal

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oneintheeye

Structural
Nov 20, 2007
440
what are the typical deflection limits for a portal with masonry panels?
 
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Check with the Masonry Insitute... I like something in L/600 range usually - maybe even tighter.
 
L/600 or the gap between the masonry panels, whichever is less.

Mike McCann
MMC Engineering
Motto: KISS
Motivation: Don't ask
 
My interpretation of the L/600 limit is that it is for beams or lintels supporting masonry (in other words, vertical deflection).

For a portal frame, I would limit horizontal deflection to H/300, unless sealant joints limit deflection even further.

DaveAtkins
 
The Australian steel code, AS4100, recommends H/240 for industrial buildings with masonry walls.
 
SCI publication 252 has some suggestions for deflection limits in portals, for masonry its H/300
 
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