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RE: Reinforced Concrete "PILASTER" Design

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A stubby column qualifies as a pedestal if the height is no greater than 3
times the least diameter (97 UBC 1902). Minimum steel ratio is .005 (section
1915.8.2.1).

-----Original Message-----
From: Teresa Dellies [mailto:DelliesTM(--nospam--at)c-b.com]
Sent: Monday, June 26, 2000 11:29 AM
To: seaint(--nospam--at)seaint.org
Subject: Reinforced Concrete "PILASTER" Design


A colleague asked me to post the following questions:

What ACI code criteria should one follow when designing a concrete pilaster
(assume the area required for bearing is not an issue)? Two examples: 1) A
steel column is supported by widening the narrow perimeter grade beams
instead of widening the entire beam. and 2) the pilaster is very large (for
architectural reasons, for instance) and provides support for a small,
lightly loaded steel column.

What is the required amount of minimum steel required and the amount and
type of ties required?

Where is the term "pilaster" defined?

Thanks in advance
Teresa