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RE: Moments in wood structures

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Title: Moments in wood structures

The Simpson Catalog says “Post bases do not provide adequate resistance to prevent members from rotating about the base and therefore are not recommended for non top-supported installations (such as fences or unbraced carports).”  Haven’t seen any similar comment about the post caps.





Joseph R. Grill, P.E. (Structural)

Shephard - Wesnitzer, Inc.

Civil Engineering and Surveying

P.O. Box 3924

Sedona, AZ  86340

PHONE (928) 282-1061

FAX (928) 282-2058



-----Original Message-----
From: Chance, Acie [mailto:AChance(--nospam--at)]
Sent: Monday, May 08, 2006 1:41 PM
To: seaint(--nospam--at)
Subject: Moments in wood structures



     A city engineer told a client that he would sign off on a patio with Simpson CB at the bottom and Simpson CC at the top of six wood columns.  Patio is 20' X 40' with two rows of three columns. Wood beams connect the six columns.   As there are no shear walls or braces at least one of these connections, top or bottom must be moment resistant.  I have not been able to find any EER or other data showing these connections will take moment.  If any one know of any information this hardware making moment connections in wood share it with me.

Acie P. Chance