Columns  

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Reinforcement in small columns can usually be determined with a convermeter (metal detector).  However, this instrument does not have the resolution needed for large columns with a high density of steel.  In such cases RCT is the only answer for a full reconstruction of the reinforcement.

 

 

Gammagraphy of an octogonal column in an industrial building.

RCT reconstruction of a 135 x 40 cm column 46, f 24 mm bars were identified.