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RE: Joints in retaining walls

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How about to reduce differential lateral movement between the two sides of
the joint?

Joseph R. Grill, P.E. (Structural)
Shephard - Wesnitzer, Inc.
Civil Engineering and Surveying
P.O. Box 3924
Sedona, AZ  86340
PHONE (928) 282-1061
FAX (928) 282-2058
jgrill(--nospam--at)swiaz.com
 


-----Original Message-----
From: Sharon [mailto:sharon(--nospam--at)arconengineers.com] 
Sent: Friday, March 24, 2006 8:50 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Joints in retaining walls

Since it is a site wall, I agree with Nels, " Why would reinforcing
steel need to cross the control joint?"

Sharon Robertson, P.E.
Arcon Engineers
sharon(--nospam--at)arconengineers.com
Tel: 858-503-7854
Fax: 858-503-7858
-----Original Message-----
From: Alden Manipula [mailto:amanipula(--nospam--at)novagroupinc.net] 
Sent: Friday, March 24, 2006 6:01 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: Joints in retaining walls

This is a site wall.

Sharon wrote:
> Is this a site wall or basement wall?
>
> Sharon Robertson, P.E.
> Arcon Engineers
> sharon(--nospam--at)arconengineers.com
> Tel: 858-503-7854
> Fax: 858-503-7858
>
> -----Original Message-----
> From: Nels Roselund [mailto:njineer(--nospam--at)att.net] 
> Sent: Thursday, March 23, 2006 5:11 PM
> To: seaint(--nospam--at)seaint.org
> Subject: RE: Joints in retaining walls
>
> Alden, Why would reinforcing steel need to cross the control joint?
>
> Nels Roselund, SE
> South San Gabriel, CA
> njineer(--nospam--at)att.net
>
> -----Original Message-----
> From: Alden Manipula [mailto:amanipula(--nospam--at)novagroupinc.net] 
> Sent: Thursday, March 23, 2006 2:51 PM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Joints in retaining walls
>
> I have another question regarding control joints in a retaining wall.
>
> For a regular wall we would show a V-groove control joint w/ sealant
and
>
> have the reinforcement continuous thru the joint.
>
> For a retaining wall, this detail would would seem to apply, but I'm 
> worried that water would enter once the sealant has deteriorated.  I'm

> proposing a construction joint detail that looks more like an
expansion 
> joint detail in that the reinforcing is stopped 6" short of the joint 
> and epoxy coated dowels are used across the joint. 
>
> Does this seem excessive?  How do others handle the reinforcing thru
the
>
> control joints of a retaining wall?
>
> Thanks.
>   
>
------------------------------------------------------------------------
> --
>
>   
>> Your following message has been delivered to the list
>>  seaint(--nospam--at)seaint.org at 11:04:55 on 21 Mar 2006.
>>
>>     
>
------------------------------------------------------------------------
> --
>
>   
>>
>> For a cantilevered concrete retaining wall I've been told to place 
>> joints in a long retaining wall 20'-0" o.c., maximum, with every 4th 
>> joint to be an expansion joint w/ some sort of compressible fill 
>> material.  This is supposedly a 'rule of thumb' type of
specification.
>>
>> I, however, can not find a documented reference.  Does anyone know 
>> where this originated?
>>
>> Thanks, again.
>>
>> Alden
>>
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