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Master's Dissertation
DOI
10.11606/D.11.2002.tde-23072002-161649
Document
Author
Full name
Anna Cristina Pacheco Ballassini Abdalla
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 2002
Supervisor
Committee
Garcia, Jose Nivaldo (President)
Franco, Nilson
Yojo, Takashi
Title in Portuguese
Utilização de madeira de Eucalyptus em estruturas de pontes.
Keywords in Portuguese
estrutura da madeira
eucalipto
pontes de madeira
tecnologia da madeira
Abstract in Portuguese
O presente trabalho teve por objetivo o estudo teórico e experimental de uma ponte de madeira constituída exclusivamente de madeira roliça de eucalipto citriodora. Para tanto foram analisados e comparados diversos procedimentos teóricos desenvolvidos para dimensionamento dos elementos estruturais. Um programa desenvolvido com base no método dos esforços, numa planilha eletrônica permitiu o cálculo mais preciso da ponte, admitida como grelha simplificada. Foram ensaiadas ligações de peças roliças por anéis metálicos e estudados o efeito de sua deformabilidade no deslocamento global de vigas compostas bi-circulares.
Keywords in English
eucalyptus
wooden bridge
wooden structures
wooden tecnology
Abstract in English
The present work had as a main objective a theoretical and experimental study of a bridge constituted exclusively of round wood pieces of Eucalyptus citriodora. Several theoretical procedures which were developed for calculating the main bridge structural elements have been analyzed and compared. A program developed according to the efforts method in an electronic spread sheet has allowed a precise calculation of the bridge, admitted as simplified hiperestatic frames. Steel rings were utilized as a fastening system for connecting two round pieces together and the effects of their measured deformations under load was considered on the calculation of the global displacement of twin circular composed beams.
 
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Publishing Date
2002-08-07
 
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