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Tabela 4.15 – 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 />

vertical.<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 22,99 26,60 24,76 23,66 27,38 25,49<br />

2 23,16 - 23,16 23,79 - 23,79<br />

3 19,93 21,53 20,72 20,51 22,15 21,32<br />

4 19,06 19,90 19,48 19,56 20,42 19,99<br />

4.3.3. Ensaio <strong>de</strong> <strong>flexão</strong> estática<br />

A seguir são apresentados os resultados <strong>da</strong> <strong>de</strong>terminação do módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong><br />

estático no teor <strong>de</strong> umi<strong>da</strong><strong>de</strong> do ensaio.<br />

A Tabela 4.16 mostra os valores do módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> aparente <strong>da</strong>s <strong>toras</strong><br />

<strong>de</strong>terminado <strong>de</strong> acordo com a Equação 4.6.<br />

Tabela 4.16 – Módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> aparente <strong>da</strong>s <strong>toras</strong> <strong>da</strong> amostra piloto.<br />

EM,Stat,ap (GPa)<br />

Tora<br />

0-4 1-5 2-6<br />

Plano<br />

3-7 4-0 5-1 6-2 7-3<br />

Média<br />

(GPa)<br />

Desv.<br />

Pad<br />

Coef. Var.<br />

1 23,05 21,58 22,08 24,17 22,73 21,87 22,94 26,19 23,08 1,50 6,5%<br />

2 22,31 23,67 23,94 22,29 22,84 23,88 23,57 22,66 23,15 0,70 3,0%<br />

3 20,00 19,30 20,47 21,35 20,15 19,74 20,49 21,62 20,39 0,78 3,8%<br />

4 19,50 19,91 19,65 18,43 18,44 18,91 18,18 18,83 18,98 0,64 3,4%<br />

5 20,31 19,65 18,67 20,56 20,15 20,39 19,41 20,63 19,97 0,68 3,4%<br />

6 25,07 22,96 24,48 25,69 24,07 22,76 22,81 24,61 24,06 1,11 4,6%<br />

7 18,92 21,53 22,15 20,52 19,36 22,25 22,67 20,07 20,93 1,42 6,8%<br />

8 25,82 25,22 23,68 24,05 25,47 25,06 24,81 23,56 24,71 0,85 3,4%<br />

9 19,41 20,35 20,00 18,54 19,36 20,66 19,63 18,80 19,60 0,73 3,7%<br />

10 21,51 22,03 22,25 22,99 21,93 21,70 22,28 22,05 22,09 0,45 2,0%<br />

a Equação 4.7.<br />

A Tabela 4.17 mostra o “módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> ver<strong>da</strong><strong>de</strong>iro” calculado <strong>de</strong> acordo com<br />

Tabela 4.17 – Módulo <strong>de</strong> elastici<strong>da</strong><strong>de</strong> ver<strong>da</strong><strong>de</strong>iro <strong>da</strong>s <strong>toras</strong> <strong>da</strong> amostra piloto.<br />

EM,Stat,v (GPa)<br />

Tora<br />

0-4 1-5 2-6<br />

Plano<br />

3-7 4-0 5-1 6-2 7-3<br />

Média<br />

(GPa)<br />

Desv.<br />

Pad<br />

Coef. Var.<br />

1 25,39 22,98 25,08 24,78 20,78 22,92 23,20 28,28 24,18 2,24 9,3%<br />

2 23,24 25,05 24,05 22,95 21,86 21,35 23,64 23,12 23,16 1,17 5,1%<br />

3 27,29 21,33 19,40 21,69 19,78 19,34 20,62 21,63 21,39 2,57 12,0%<br />

4 20,78 17,58 20,91 18,18 18,20 17,19 16,87 17,44 18,39 1,58 8,6%<br />

5 20,82 20,31 20,67 21,84 16,74 20,69 19,04 21,73 20,23 1,66 8,2%<br />

6 27,42 20,51 19,87 28,76 22,02 22,99 19,70 22,48 22,97 3,40 14,8%<br />

7 22,15 21,19 14,51 14,01 14,52 21,68 24,85 17,79 18,84 4,18 22,2%<br />

8 25,25 30,09 23,34 22,85 26,08 22,45 30,51 22,21 25,35 3,34 13,2%<br />

9 20,01 20,73 23,09 18,41 18,59 25,42 22,13 20,94 21,17 2,35 11,1%<br />

10 18,63 37,91 21,69 22,53 25,41 22,42 25,79 22,51 24,61 5,82 23,6%

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