Open AccessWOODEN BEAM FLAT BENDING SHAPE STABILITY TAKING THE CREEP INTO ACCOUNT
Author(s) -
Anastasiya Lapina
Publication year - 2021
Publication title -
stroitelʹstvo i arhitektura
Language(s) - English
Resource type - Journals
eISSN - 2500-1477
pISSN - 2308-0191
DOI - 10.29039/2308-0191-2021-9-2-6-10
Subject(s) - creep , deflection (physics) , buckling , beam (structure) , structural engineering , materials science , mathematics , mechanics , physics , classical mechanics , engineering , composite material
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.