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RE: Concrete - Cube Strength vs. Cylinder Strength

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The same ratio i.e Cube strength/cylinder strength = 1.25 is used in the constuction industries of UAE and Pakistan. Infact this would be valid for whole of middle east.

Regarding questions

1.       ACI 318 does not talk about cube strength at all

2.       Both (6 in cube and 6x12 in cylinder) are used. No other standard specimen sizes used,  except for cores taken out from existing concrete.

 

Best regards,

Shiraz Shahid.

 

From: Harold Sprague [mailto:spraguehope(--nospam--at)hotmail.com]
Sent: January 05, 2010 21:28
To: seaint(--nospam--at)seaint.org
Subject: Concrete - Cube Strength vs. Cylinder Strength

 

I have found some studies from the internet that link cylinder strength tests to 6" (British std.) cube strengths.
http://www.logicsphere.com/products/firstmix/hlp/html/stre4s9w.htm
 
I have a couple of questions:
1.  Is there anything more definitive from ACI or ASTM that help us in international work?
2.  What are some other standard specimen sizes for determining concrete strength for other countries?

Regards, Harold Sprague

 

 


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