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Re[2]: Rebar Welding

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Thomas,

Thanks for your comments. I understand the need of confinement for the
concrete where the welded lap joints take place, but I am looking for
something that I can justify using the weld lap joint for #8 bars that
go beyond the code limit.

Bz



Tuesday, November 4, 2003, 6:06:53 AM, you wrote:

Tac> Ben,

Tac> AWS D1.4-98 (which I think is the latest) reads the same as the 1992.  I 
Tac> think the answer to your question is in the preceding paragraph, 3.2.1, 
Tac> which says "....concrete surrounding the joint in the finished structure 
Tac> shall be sufficiently strengthened with transverse reinforcement (splice 
Tac> plate) to prevent splitting of the concrete caused by the tendency of the 
Tac> joint to flex during eccentric loading".

Tac> Thomas Hunt, S.E.
Tac> ABS Consulting





Tac> "Ben Zhou" <zhoub002(--nospam--at)hawaii.rr.com> 
Tac> 11/03/2003 05:43 PM
Tac> Please respond to
Tac> <seaint(--nospam--at)seaint.org>


Tac> To
Tac> <seaint(--nospam--at)seaint.org>
Tac> cc

Tac> Subject
Tac> Re: Weld bolts






Tac> I have AWS D1.4-92 that says in its clause 3.2.2 that "Welded lap joints
Tac> shall be limited to bar size No. 6 and smaller". Does any one know whether
Tac> the latest version of AWS D1.4 still has this regulation? On what basis is
Tac> this limited to #6 bars or smaller?

Tac> Thanks

Tac> Bz


Tac> ----- Original Message ----- 
Tac> From: "Ben Zhou" <zhoub002(--nospam--at)hawaii.rr.com>
Tac> To: <seaint(--nospam--at)seaint.org>
Tac> Sent: Monday, October 13, 2003 11:59 AM
Tac> Subject: Weld bolts


>> Is it detrimental for bolts welded to washer plates? What kind of bolts
>> (ASTM 307, 325, 490) are prefered for such welding ?
>>
>> Thanks for your valued opinion.
>>
>> Bz
>>



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