Need a book? Engineering books recommendations...

Return to index: [Subject] [Thread] [Date] [Author]

RE: Cost Effective Mechanical Lap Splice?

[Subject Prev][Subject Next][Thread Prev][Thread Next]

And of course, ACI has special requirements for mechanical splices.  How will you specify the quality control for the mechanical splices?  On Caltrans jobs, we had to send samples to the lab for tension testing.


Bob Garner, S.E.


From: Harold Sprague [mailto:spraguehope(--nospam--at)]
Sent: Wednesday, December 03, 2008 3:14 PM
To: seaint(--nospam--at)
Subject: RE: Cost Effective Mechanical Lap Splice?


I like the Erico's, but you have to be careful with the Dayton's.  The last I knew, if you required a #5, you had to splice with a #6 because the Dayton threading reduced the cross sectional area of the bar.  The Lenton's use a tapered thread that would develop the full strength of the bar. 
Correct me if this is not accurate today.  It has been a while since I used a Dayton splice.

Regards, Harold Sprague

Subject: RE: Cost Effective Mechanical Lap Splice?
Date: Wed, 3 Dec 2008 11:54:19 -0800
From: PFeather(--nospam--at)
To: seaint(--nospam--at)

Dayton Superior Bar-Lock or Erico Lenton Lock couplers


Paul Feather PE, SE





From: Paul Blomberg [mailto:paul.blomberg(--nospam--at)]
Sent: Wednesday, December 03, 2008 11:36 AM
To: seaint(--nospam--at)
Subject: Re: Cost Effective Mechanical Lap Splice?

If the lap splice length isn't there, perhaps you could go with a mechanical rebar coupler.  If the splice length is close to what is needed, try a higher strength concrete mix and see if the shorter splice length works.





On 12/3/08, Bill Allen <t.w.allen(--nospam--at)> wrote:

I'm working on a project where the contractor has installed too short of a dowel coming out of a footing for a retaining wall. I've considered excess reinforcement, but the required lap is still more than what I have.
What is the most cost effective lap splice?
T. William (Bill) Allen, S.E.
Consulting Structural Engineers
V (949) 248-8588 F(949) 209-2509



Suspicious message? There’s an alert for that. Get your Hotmail® account now.