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2 296 988

(13)

(51)

IPC

G01N29/04(2006-01-01)

(21) (22)

Application

2006101522/28, 2006-01-19

(24)

Start date

2006-01-19

(22)

Actual filing date

2006-01-19

(45)

Published

2007-04-10

(72)

Inventor

Alimov Anatolij GeorgievichKarpunin Vasilij ValentinovichAlimova Marija OlegovnaKarpunin Nikita Vasil'Evich

(73)

Holder

Gosudarstvennoe Nauchnoe Uchrezhdenie Povolzhskij Nauchno-Issledovatel'Skij Institut Ehkologo-Meliorativnykh Tekhnologij Rossijskoj Akademii Sel'Skokhozjajstvennykh Nauk

METHOD OF ULTRASONIC STRENGTH TEST OF HEAVY CONCRETES Russian patent published in 2007 - IPC G01N29/04

Abstract RU 2296988 C1

FIELD: testing engineering.

SUBSTANCE: method comprises measuring time and velocity of ultrasonic vibration in the section of the concrete to be tested, making standard samples made from a high-strength concrete, determining the value of strength of concrete and velocity of ultrasonic oscillation in the standard specimens, recording the variations in velocity of ultrasonic oscillation for different intensities of the ultrasonic oscillation, plotting the value of compression strength of the standard specimens as a function of variation of velocity of ultrasonic oscillation, determining the value of maximum strength of concrete in the standard specimens by extrapolating the dependence obtained to zero velocity. The time and velocity are measured at negative temperatures of environment.

EFFECT: enhanced reliability.

4 dwg

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RU 2 296 988 C1

Authors

Alimov Anatolij Georgievich

Karpunin Vasilij Valentinovich

Alimova Marija Olegovna

Karpunin Nikita Vasil'Evich

Dates

2007-04-10—Published

2006-01-19—Filed