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2 456 573

(13)

(51)

IPC

G01N3/00(2006-01-01)

(21) (22)

Application

2011100256/28, 2011-01-11

(24)

Start date

2011-01-11

(22)

Actual filing date

2011-01-11

(45)

Published

2012-07-20

(72)

Inventor

Rudol'F Anton JakovlevichPozdeev Sergej PavlovichSavin Vladimir FedorovichBlaznov Aleksej NikolaevichTikhonov Vjacheslav Borisovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Zavod Stekloplastikov"

METHOD TO DETERMINE EFFICIENT DIAMETER AND MODULE OF ELASTICITY OF LONGITUDINALLY REINFORCED RODS OF PERIODICAL SHAPE FROM POLYMER COMPOSITE MATERIALS Russian patent published in 2012 - IPC G01N3/00

Abstract RU 2456573 C1

FIELD: construction.

SUBSTANCE: sample in the form of a fragment of a rod with length L₁ is tested with longitudinal bending, for this purpose it is fixed in hinged clamps, exposed to axial loading, and a critical force P_cr is identified, at which it loses stability, then the sample is tested for tension, for this purpose it is fixed in clamps, a working section is separated with the length L₂ and exposed to axial tension, measuring extension of the working section of the sample ΔL₂ and a tension force F corresponding to the extension. The efficient diameter d_e and the elasticity module E is calculated according to the formulas.

EFFECT: possibility to determine an efficient diameter and an elasticity module of longitudinally reinforced rods of periodical shape.

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RU 2 456 573 C1

Authors

Rudol'F Anton Jakovlevich

Pozdeev Sergej Pavlovich

Savin Vladimir Fedorovich

Blaznov Aleksej Nikolaevich

Tikhonov Vjacheslav Borisovich

Dates

2012-07-20—Published

2011-01-11—Filed