Fillet welds instead of CJP welds

In many cases it may be is less expensive to use a double sided filet welds instead of a complete joint penetration (CJP) groove welds.   A fillet weld, like a CJP weld, can be sized to develop the full strength of the connection plate in either shear or tension.  When the Engineer of Record indicates a CJP weld (for example a flange plate of a moment connection), it is possibly for the fabricator to successfully substitute of fillet weld.   We have found that the easiest way to do these calculations is to have the fillet weld size expressed as a fraction of the plate thickness (such as W = 5/8t for shear tabs).  The table below summarizes the different configurations and allows the user to easily determine the fillet weld size to use instead of specifying a CJP weld. Table:  Fillet Weld Size to replace a CJP Weld

Linkded Hybrid Wins Best Tall building Overall from CTBUH

ARCH: Steven Holl Architects and Capital Group (Li Hu / Project Manager) ENG: Guy Nordenson and Associates and CABR (Erik A Nelson / Project Manager)

http://www.structuresworkshop.com/07000linkedhybrid.html

CLIENT: Modern Group

LOC: Beijing, Rep of CHINA

AWARDS

AIA NEW YORK CHAPTER SUSTAINABLE DESIGN AWARD, USA, 2008

CTBUH 2009 BEST TALL BUILDING IN ASIA AND AUSTRALIA, USA, 2009

CTBUH 2009 BEST TALL BUILDING OVERALL, USA, 2009

ARCHITECTURAL RECORD CHINA, "GOOD DESIGN IS GOOD BUSINESS" AWARD

BEST RESIDENTIAL PROJECT, USA, 2010

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