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Lateral resistance of a Six Story CMU Apartment Building
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: Lateral resistance of a Six Story CMU Apartment Building
- From: Tom Bodkin <TBODKIN(--nospam--at)carrollengineering.com>
- Date: Fri, 17 Jan 2003 09:07:32 -0500
I have a question
regarding the structural integrity of a six story apartment complex
located in New Jersey.
The footprint is
about 120 feet by 30 feet. There are no record drawings. The top two
stories of brick veneer on one side of the building had fallen to the
ground due to excessive water damage from a neglected
roof. After going through the building to determine the framing
system, the building was constructed using a perimeter CMU bearing
wall with pilasters (to support the steel beams framing into them) and a
brick veneer. We haven't determined wheather the CMU (could be cinder
block since the building is probably circa 1930's) has vertical
The interior framing
consists of W8 columns spaced 12 feet on center running the 120 feet length of
the building, splitting the building width into two bays (12 feet and 16
feet). The beam to column connections appear to be simple connections.
Lateral bracing was not evident (interior demo will reveal better
info). 10" bar joists spaced 2 feet on centers support the floor. The
building use is not going to be changing (still
Can anyone tell me
there experiences in upgrading a facility similiar to this to meet
seismic requirements or if it was even necessary since the use is the
Also, is there
anything in particular that should be paid close attention to regarding the
structural integrity of the facility.
Thanks in advance
for your responses.
Thomas W. Bodkin, E.I.T.
Phone: 215-343-5700 x360