WOODEN BEAM FLAT BENDING SHAPE STABILITY TAKING THE CREEP INTO ACCOUNT

Author:

Lapina Anastasiya1

Affiliation:

1. Don State Technical University

Abstract

The article deals with the problem of lateral buckling of a wooden beam of rectangular cross-section, taking into account the initial imperfections under creep conditions. An algorithm for the numerical solution is presented. The linear Maxwell-Thompson equation is used as the creep law. The character of the growth of the deflection of the beam at various load levels is investigated and a new criterion is introduced to determine the critical time.

Publisher

RIOR Publishing Center

Subject

Industrial and Manufacturing Engineering,Polymers and Plastics,Business and International Management

Reference8 articles.

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2. Вареник, К. А. Расчет центрально-сжатых деревянных элементов с учетом ползучести: дисс. ... канд. техн. наук: 05.23.01 / К.А. Вареник. – Великий Новгород, 2015. – 167 с., Varenik, K. A. Raschet central'no-szhatyh derevyannyh elementov s uchetom polzuchesti: diss. ... kand. tehn. nauk: 05.23.01 / K.A. Varenik. – Velikiy Novgorod, 2015. – 167 s.

3. Лапина, А.П. Расчет вязкоупругих стержней некруглого поперечного сечения на свободное кручение / А.П. Лапина, И.М. Зотов, А.С. Чепурненко, Б.М. Языев // Вестник Дагестанского государственного технического университета. Технические науки. – 2020. – № 2. – С. 144-152., Lapina, A.P. Raschet vyazkouprugih sterzhney nekruglogo poperechnogo secheniya na svobodnoe kruchenie / A.P. Lapina, I.M. Zotov, A.S. Chepurnenko, B.M. Yazyev // Vestnik Dagestanskogo gosudarstvennogo tehnicheskogo universiteta. Tehnicheskie nauki. – 2020. – № 2. – S. 144-152.

4. Zotov, I.M. Calculation of the Rectangular Cross-Section Beams On the Side Buckling Taking into Account Creep / I.M. Zotov, A.P. Lapina, A.S. Chepurnenko, B.M. Yazyev //IOP Conference Series: Materials Science and Engineering. – 2019. – Vol. 661. – URL: https://iopscience.iop.org/article/10.1088/1757-899X/661/1/012004/pdf, Zotov, I.M. Calculation of the Rectangular Cross-Section Beams On the Side Buckling Taking into Account Creep / I.M. Zotov, A.P. Lapina, A.S. Chepurnenko, B.M. Yazyev //IOP Conference Series: Materials Science and Engineering. – 2019. – Vol. 661. – URL: https://iopscience.iop.org/article/10.1088/1757-899X/661/1/012004/pdf

5. Тимошенко, С.П. Устойчивость упругих систем. / С.П. Тимошенко. – Л., М.: Гостехиздат, 1946. – 532 с., Timoshenko, S.P. Ustoychivost' uprugih sistem. / S.P. Timoshenko. – L., M.: Gostehizdat, 1946. – 532 s.

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