Structural Engineering: RE: Bolt to plywood

That “someone” would be our “helpdesk”, who I forwarded your e-mail to…

This publication is available at our website.

Cheers,

Tom

Thomas D. Skaggs, Ph.D., P.E.

Manager, Product Evaluation

APA

7011 S. 19th Street

Tacoma, WA 98466

253-620-7479 (office)

253-620-7235 (fax)

tom.skaggs@apawood.org

www.apawood.org

From: Nick Fanger [mailto:nick@kishrigging.com]
Sent: Tuesday, June 30, 2009 13:11
To: seaint@seaint.org
Subject: RE: Bolt to plywood

Thanks for responses.

I received a direct response from someone at APA. They emailed me a copy of “Fastener Loads for Plywood – Bolts” Technical Note # 825E. I have a similar one for screws already but this is exactly what I need. If anyone’s interested I’m sure you can find it on APA’s website or you can email me.

Nick Fanger, P.E.

Kish Rigging, Inc.

540 Commerce Ave.

Moorpark, CA 93021

805.532.1300 office

805.532.1332 fax

From: Nick Fanger [mailto:nick@kishrigging.com]
Sent: Tuesday, June 30, 2009 12:15 PM
To: seaint@seaint.org
Subject: Bolt to plywood

I hate to disrupt the fun threads with something structural engineering related but I have a question….

How would you go about calculating the shear value of a ½” dia. Thru bolt attaching a steel plate and ¾” plywood? I’ve never done bolts in plywood before nor do I think it’s that good of an idea but in this case its unavoidable. Has anyone else dealt with bolts in plywood before?