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As Tabelas 4.14 e 4.15 mostram os valores do módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> dinâmico<br />

aparente (EM,VT,ap) e consi<strong>de</strong>rando o esforço cortante (EM,VT), respectivamente para os ensaios<br />

com excitação no plano horizontal e vertical. Em todos os casos o módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> foi<br />

calculado com a média aritmética <strong>da</strong>s frequências naturais do primeiro modo <strong>de</strong> <strong>flexão</strong><br />

mostra<strong>da</strong>s nas Tabelas 4.6 a 4.13.<br />

Tabela 4.14 – Módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> dinâmico <strong>da</strong>s <strong>toras</strong> <strong>da</strong> amostra piloto para excitação<br />

horizontal.<br />

Tora<br />

E M,VT,ap (GPa) E M,VT (GPa)<br />

1 o pico 2 o pico Média 1 o pico 2 o pico Média<br />

1 23,04 26,65 24,81 23,71 27,43 25,54<br />

2 23,22 - 23,22 23,85 - 23,85<br />

3 19,99 21,49 20,73 20,57 22,11 21,33<br />

4 18,68 19,50 19,09 19,17 20,01 19,59<br />

5 20,08 - 20,08 20,60 - 20,60<br />

6 22,76 24,96 23,85 23,33 25,58 24,44<br />

7 18,26 22,18 20,17 18,74 22,76 20,70<br />

8 23,28 25,36 24,31 23,89 26,02 24,94<br />

9 18,34 20,31 19,32 18,86 20,88 19,86<br />

10 22,46 - 22,46 23,02 - 23,02<br />

Média 21,01 22,92 21,80 21,57 23,54 22,39<br />

TB-1 19,60 22,77 21,16 22,38 26,00 24,16<br />

TB-2 21,55 23,64 22,58 24,12 26,45 25,27<br />

TB-3 18,51 19,37 18,94 20,99 21,96 21,47<br />

TB-4 18,29 19,87 19,07 20,54 22,30 21,41<br />

TB-5 17,01 18,69 17,84 19,23 21,14 20,17<br />

TB-6 21,44 23,08 22,25 23,98 25,81 24,89<br />

TB-7 17,03 21,51 19,20 19,06 24,07 21,49<br />

TB-8 18,78 20,54 19,65 21,30 23,30 22,29<br />

TB-9 16,53 18,45 17,48 18,74 20,92 19,82<br />

TB-10 19,37 20,83 20,09 21,74 23,38 22,55<br />

Média 18,81 20,88 19,83 21,21 23,53 22,35<br />

TT-1 22,08 24,03 23,05 24,67 26,85 25,75<br />

TT-2 21,60 23,63 22,60 24,01 26,26 25,12<br />

TT-3 19,51 21,24 20,36 21,77 23,70 22,72<br />

TT-4 20,01 20,69 20,35 22,01 22,76 22,38<br />

TT-5 18,10 19,22 18,66 19,97 21,20 20,58<br />

TT-6 22,14 23,84 22,98 24,37 26,24 25,30<br />

TT-7 19,21 21,35 20,26 21,25 23,62 22,42<br />

TT-8 20,72 22,18 21,44 22,97 24,60 23,78<br />

TT-9 18,58 20,32 19,44 20,65 22,59 21,61<br />

TT-10 21,09 22,83 21,95 23,18 25,09 24,13<br />

Média 20,30 21,93 21,11 22,49 24,29 23,38<br />

161

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