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RE: Anchor bolt cover

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Section 1913 of the IBC2000 gives design methodology for cast-in-place bolts in concrete.  There is limited guidance for anchors of large diameter (> 2 in.) and deep embedments (> 24 in.) in heavily reinforced piers, since these provisions (Section 1913) apply to concrete with limited reinforcement.
ASCE publication "Wind Loads and Anchor Bolt Design for Petrochemical Facilities" (1997) gives some guidance. Part 2 is titled "Design of Anchor Bolts in Petrochemical Facilities.

Richard E. Wollmershauser, P.E.
Director Technical Services, Hilti, Inc.

Tulsa, Oklahoma
Tel: (918) 252-6571
Fax: (918) 252-6347
E-mail: wollric(--nospam--at)

-----Original Message-----
From: Randy Diviney [mailto:rsdiviney(--nospam--at)]
Sent: Wednesday, August 08, 2001 9:15 AM
To: seaint(--nospam--at)
Subject: Anchor bolt cover

What is the minimum cover for an anchor bolt in a cast in place concrete pier? Also, what section of the ACI or AISC (ASD) refers to this? The column is supporting gravity loads only.


Randy Diviney P.E.

Structural Engineer

Hayes Large Architects

Altoona, Pa


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