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RE: Anchor Bolt Value with partial bolt length into nut

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Download this manual. 
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900009424_1990009424.pdf
 
You can use the formulas contained to determine the capacity of the anchor rod predicated on the engagement length for tension.  The engagement length should not be an issue for shear. 

Regards, Harold Sprague


 

Subject: Anchor Bolt Value with partial bolt length into nut
Date: Thu, 3 Mar 2011 21:15:14 -0800
From: slakhani(--nospam--at)ebmud.com
To: seaint(--nospam--at)seaint.org
CC: slakhani(--nospam--at)ebmud.com

Dear All,

 

Shorter than required length anchor bolts AB) were embedded into the concrete. The high strength bolt A449, 1.75 inch diameter is approximately ¼ inch short to fully engage the nut.

 

Is there any guideline to determine reduced capacity of the AB for tension and shear?

 

Any suggestion to improve the Anchor Bolt capacity to full value for tension and shear.

 

 

Thanks in advance.

 

Sid Lakhani