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2 246 109

(13)

(51)

IPC

(21) (22)

Application

2003129791/03, 2003-10-08

(24)

Start date

2003-10-08

(22)

Actual filing date

2003-10-08

(45)

Published

2005-02-10

(72)

Inventor

Zimin S.G.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Proektno-Konstruktorskij I Tekhnologicheskij Institut Betona I Zhelezobetona"

METHOD OF DETERMINING CONCRETE STRENGTH Russian patent published in 2005 - IPC

Abstract RU 2246109 C1

FIELD: nondestructive testing.

SUBSTANCE: method comprises drilling hole in concrete, securing anchor device inside the hole, and pulling out the anchor with applying destroying force. The strength of concreter is determined form the formula , where N is the destroying force, D is the diameter of the specimen, m, and d is the diameter of the hole, m.

EFFECT: enhanced accuracy of determining.

1 dwg, 1 ex

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RU 2 246 109 C1

Authors

Zimin S.G.

Dates

2005-02-10—Published

2003-10-08—Filed