scholarly journals Prediction of concrete strength by non-destructive testing in old structures: Effect of core number on the reliability of prediction

2018 ◽  
Vol 149 ◽  
pp. 02007
Author(s):  
Boussahoua Youcef ◽  
Kenai Said ◽  
Ali-Benyahia Khoudja
Keyword(s):  
Concrete Strength ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Non Destructive

Technique Research on Strength Estimation of Pile Foundation Based of Model Analysis

2010 ◽  
Vol 163-167 ◽  
pp. 2727-2730
Author(s):  
Zheng Jun Wang ◽  
Qiang Wang ◽  
Chun Hua Liu ◽  
Kun Hu ◽  
Dian Hong Zhang
Keyword(s):  
Pile Foundation ◽  
Sound Speed ◽  
Concrete Strength ◽  
Model Analysis ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Allowable Range ◽  
Non Destructive

In order to realize non-destructive testing of concrete strength of pouring stakes at the construction stages, the paper establishes two kinds of mathematics models between the concrete strength and the sound-speed through experiment on concrete test squares, model stakes and engineering piles ─ all of differently designed strength with method of ultrasonic. The concrete average strengths of the pouring piles were reckoned through engineering piles of practical testing and the errors were within the allowable range. So the validity of mathematics models was proved.

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