Need a book? Engineering books recommendations...

Return to index: [Subject] [Thread] [Date] [Author]

RE: UBC 97 Anchorage to Concrete

[Subject Prev][Subject Next][Thread Prev][Thread Next]

The circle in question is 12" radius not **diameter**. Isn't it?

 "Gerard Madden, PE" <gmadden(--nospam--at)> wrote:

The latter. Draw a circle for the cone projection of a single anchor and subtract the areas where concrete does not exist.



Santa Clara, CA


-----Original Message-----
From: Chan, David [mailto:DCHAN(--nospam--at)]
Sent: Tuesday, November 05, 2002 2:48 PM
To: seaint(--nospam--at)
Subject: UBC 97 Anchorage to Concrete


I am getting a difference in opinion on the calculation of Ap in UBC 97 Section 1923 Anchorage to Concrete and would like the list's opinion.  For discussion sake, assume a 24"x24" block of concrete in plan with an anchor bolt located 3 inches from the south and west edges and embedded 12 inches.  Is the area Ap equal to a circle with a 3 inch radius (corresponding to 3 inch edge distance)?  or is it equal to the overlapping area of a 12 in. diameter circle and the block of concrete (a circle with two sides cut off)?  I personally believe it is the latter, as it represents a more realistic pullout cone.

Los Angeles 

Do you Yahoo!?
HotJobs - Search new jobs daily now