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cyma_atz
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Join Date: Jun 2009
Location: philippines
Posts: 8

Concrete Epoxy or Cement Grout as Adhesives

06/11/2009 3:40 AM

do the application of concrete epoxy or cement grout as adhesive at the surface of the cast-break strengthens the joint of the partially cast beams?
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Doogleass
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#1

Re: Concrete Epoxy or Cement Grout as Adhesives

06/11/2009 11:24 PM

Huh?
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bwire
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#2

Re: Concrete Epoxy or Cement Grout as Adhesives

06/11/2009 11:26 PM

Hello cyma_atz,

Please slow down and describe what you need in a manner which others may know what you mean...

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Anonymous Poster
#3

Re: Concrete Epoxy or Cement Grout as Adhesives

06/12/2009 12:16 AM

Sir, for proper bonding between old and new concrete, it's essential to use epoxy.

It creats monolthic effect in concrete.
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hazman
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#4

Re: Concrete Epoxy or Cement Grout as Adhesives

06/12/2009 3:12 AM

OK - providing the concrete is dry, If he crack is just that then you should open it up to get the cement in as deep as possible and it is contact with both the surfaces. A glass fibre membrane over the crack back and front, if you can get at them, will be a plus

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bwire
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#5

Re: Concrete Epoxy or Cement Grout as Adhesives

06/12/2009 11:14 AM

You may find information in this earlier thread useful:

http://cr4.globalspec.com/thread/19818/Which-Grouting-Grade-Cement-to-Use

http://cr4.globalspec.com/thread/26448/Grout-and-Machine-Vibration

Or these links:

http://www.fhwa.dot.gov/BRIDGE/pt/ptappd.cfm --Bridge Technology, Post-Tensioning Tendon Installation and Grouting Manual

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