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IPC

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Application

2004106290/28, 2004-03-03

(24)

Start date

2004-03-03

(22)

Actual filing date

2004-03-03

(45)

Published

2005-09-10

(72)

Inventor

Alimov A.G.Karpunin V.V.

(73)

Holder

Gosudarstvennoe Nauchnoe Uchrezhdenie Povolzhskij Nauchno-Issledovatel'Skij Institut Ehkologo-Meliorativnykh Tekhnologij

METHOD OF ULTRASONIC INSPECTION OF CONCRETE STRENGTH IN STRUCTURES UNDER EXPLOITATION Russian patent published in 2005 - IPC

Abstract RU 2260182 C1

FIELD: methods of ultrasonic inspection.

SUBSTANCE: time of propagation of ultrasound is measured in at least ten areas of controlled zone and average speed of ultrasound is computed. Area in area of control are defined where measured speed has maximal, minimal and the closest to average speed of ultrasound meanings. At least two cores are cored out from any specified area and values of strengths are determined subsequently in those areas which values correspond to speed of ultrasound at those areas. Humidity of concrete is measured at the areas and strength of concrete in structure is determined depending on its humidity according to the specific formula.

EFFECT: improved precision of inspection; improved reliability.

2 dwg, 1 tbl

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RU 2 260 182 C1

Authors

Alimov A.G.

Karpunin V.V.

Dates

2005-09-10—Published

2004-03-03—Filed