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Re: Anchorage to existing concrete

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If you have the space, you can anchor down the sides of the existing foundation, so that you invoke shear to the anchors, rather than, or together with, tension.

Thor A Tandy P.Eng
Victoria BC
Canada
e-mail: vicpeng(--nospam--at)sprint.ca
----- Original Message -----
To: seaint
Sent: Tuesday, November 20, 2001 9:04 AM
Subject: Anchorage to existing concrete

Dear Colleagues,
I'm working on adding a shear wall on top of an
existing reinforced concrete wall. To develop the
required moment at the bottom of the new wall, I need
to provide a large amount of rebars at each end of the
new shear wall, and transfer their loads to the
existing concrete. So the block shear resistance and
anchorage shall be provided in a short length of the
wall.
Now, what are the possibilities for anchoring new
shear wall rebars to the existing concrete?
I've already checked some solutions through Hilti
anchors, but it seems that the wall thickness (12") is
not enough to accommodate all required anchors.
I appreciate any comment and help on this issue,
Thanks,
Frank

=====
Fariborz Tehrani,                      Phone: (310)801-4237
Civil Engineer                           Fax: (530)481-9532
BSCE, MSCE, PE                    Voice Mail: (877)743-6206
email: fmtehrani(--nospam--at)msn.com
web: www.fmtehrani.com

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