Device for detecting position of steel bar in structure and...

Details Device for detecting position of steel bar in structure and... Device for detecting position of steel bar in structure and...

2007-03-16

2009-11-17

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S059000

Reexamination Certificate

active

07620145

ABSTRACT:
Gamma rays, X-rays or ionizing irradiations from two radiation sources penetrate through a steel bar in a reinforced concrete structure. Images of the steel bar are thus projected on two films. Through geometric relationships between the images and the steel bar itself, thicknesses between the steel bar and surfaces of the reinforced concrete structure are obtained. The position of the steel bar obtained according to the present invention is reliable and accurate. And the data obtained can be used for structure safety.

REFERENCES:
patent: 5828723 (1998-10-01), Mariscotti
patent: 6118848 (2000-09-01), Reiffel

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