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RE: Elevated Structural Floor Slab Jointing

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Location of construction joints must comply with ACI 318-95, 6.4. Size of pour is normally left up to contractor since this is considered means and methods. Location of construction joints should subject to your review and approval. Be sure to include a typical slab construction joint detail and girder/beam construction joint detail in the contract documents.
A project of 66 x 71 is 4686 sf.....the contractor may elect to make one pour if he has enough finishers.
Jim K.

[Kestner, Jim]  -----Original Message-----
From: Jenkins Engineering, Inc. [mailto:jei(--nospam--at)]
Sent: Thursday, July 10, 2003 7:11 AM
To: seaint
Subject: Elevated Structural Floor Slab Jointing

Greetings and Salutations:

I run into this situation about once every blue moon…..and the clock is ticking…..

I have an elevated structural one-way floor slab supported by concrete beams. The slab has been designed as a continuous members and currently has bottom steel at mid-span and top steel over the supports. The slab dimensions are about 66’ x 71’.

Two Questions….

Do I place construction joints in the slab systems?

If so, where do I put the joints?

Thanks in advance!

Bobby Jenkins, PE
Jenkins Engineering, Inc.
PO Box 2101
218 S Thomas St  Suite 209
Tupelo, MS  38803
(662) 840.1233 vocal
(662) 840.1103 fax
E-Mail:  jei(--nospam--at)