×
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!
  • Students Click Here

*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.

Students Click Here

Jobs

In-floor radiant heating in topping slab

In-floor radiant heating in topping slab

In-floor radiant heating in topping slab

(OP)
We are designing a dorm with 8" precast slabs and the mechanical engineers want to use in-floor radiant heating in the topping slab.

Does anyone have any experience with this or know where I could find any information on whether or not the topping slab can still be considered a composite topping?  We are told that the o.d. of the tubing is roughly 5/8" - 3/4".  We are looking at using a 4" topping, but don't know how the in-floor tubing will affect it's ability to be considered a composite topping.

RE: In-floor radiant heating in topping slab

check with the mechanical engineer to see if he needs foam insulation. ask them to run a number for heat loss. the presence of a foam layer will mean you get no composite action at all.

RE: In-floor radiant heating in topping slab

Without foam insulation, the bond should not be affected by either the presence of the tubing or the heat given off.  The precast slabs need to be intentionally roughened.

BA

RE: In-floor radiant heating in topping slab

(OP)
There is no foam insulation.  I am not exactly familiar with the installation procedure for the infloor piping, but we could see the tubing being installed directly on top of the precast and the topping poured over it.  If this is the case, would the bonding be impaired even with the standard roughing of the precast?  So we just wanted to see if anyone had any experience with this situation.  I appreciate your replies.

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