INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Jobs

Masonry Wall Sliding

Masonry Wall Sliding

(OP)
Hi guys,

I'm looking at providing a retrofit strategy for a building. In it we have old masonry walls without reinforcing of any type in them.

The walls are failing in shear and in sliding. To retrofit for shear I am proposing that horizontal FRP be added, with it an equivalent percentage of vertical reinforcing will be required in line with current code.

My issue is, the wall is failing in sliding too - if I specify vertical steel reinforcement to be added to the existing wall is it practice to dowel into footing thus providing sliding resistance also?

I plan to send a retrofit strategy to the estimators on Monday, I am wondering if I need to specify that the wall needs to be properly connected as well or is that assumed for when vertical reinforcement is specified.

Thank you for your help.

RE: Masonry Wall Sliding

Can I answer even though I'm not a guy?

Have you looked at the foundation? Masonry walls usually slide or crack because the foundation is moving. That has to be stopped before any other repair work will be helpful. Have you determined the cause of the wall movement?

You didn't say for sure, so I assume you mean CMU walls. Retrofitting rebar inside existing CMU cavities is really difficult, because of the mortar and debris that falls into them during construction or over time. On one project, we cut the faces off of blocks where a column should have been and poured a reinforced concrete column instead. Depending on the cause of movement, something similar to this may be more cost-effective for your project.

Good luck!

RE: Masonry Wall Sliding

These masonry walls...are they sliding on the footing or is the footing sliding? From your OP, we don't even know how the walls are loaded. Are they retaining walls? What do you mean by "failing in shear"? A photo or two would help.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close