CARACTERÍSTICAS GEOMÉTRICAS DE LAS PIEZAS DE MADERA ASERRADA MÁS COMUNES 

ESCUADRÍA NOMINAL

MEDIDAS

 REALES

ÁREA

Wx

Jx

Wy

Jy

VOLUMEN NOMINAL

pulgadas cm cm2 cm3

cm4

cm3 cm4 p2/m

1

1

2.3 2.3 5.29 2.03 2.33 2.03 2.33

0.27

1 1.5 2.3 3.5 8.5 4.7 8.22 3.09 3.55 0.41
1 2 2.3 4.6 10.58 8.11 18.56 4.06 4.66 0.55
1 3 2.3 7.1 16.33 19.32 68.56 6.26 7.2 0.82
1.5 1.5

3.5

3.5

12.25

7.15

12.51

7.15

15.51

0.62

1.5

2

3.5

4.6

16.1

12.34

28.39

9.39

16.44

0.82

1.5

3

3.5

7.1

24.85

29.41

104.39

14.5

25.37

1.23

1.5

4

3.5

9.5

33.25

52.65

250.07

19.4

33.94

1.64

1.5

5

3.5

12

42

84

504

24.5

42.87

2.05

1.5

6

3.5

14.5

50.75

122.65

889.18

29.6

51.81

2.62

1.5

7

3.5

17

59.5

168.58

1432.96

34.71

60.74

2.87

1.5

8

3.5

19.6

68.60

224.09

2196.11

40.42

70.03

3.28

2

2

4.6

4.6

21.16

16.22

37.31

16.22

37.31

1.09

2

3

4.6

7.1

32.56

38.65

137.2

25.04

57.59

1.64

2

4

4.6

9.5

43.7

69.19

328.66

33.5

77.06

2.19

2

5

4.6

12

55.2

110.4

662.4

42.32

97.34

2.73

2

6

4.6

14.5

66.7

161.19

1168.64

51.14

117.61

3.28

2

7

4.6

17

78.2

221.57

1883.32

59.95

137.89

3.83

2

8

4.6

19.6

90.16

294.52

2886.32

69.12

158.98

4.37

2

10

4.6

24.6

113.16

463.96

5706.66

86.76

199.54

5.47

3

3

7.1

7.1

50.41

59.65

211.76

59.65

211.76

2.46

3

4

7.1

9.5

67.45

106.8

507.28

79.82

283.35

3.28

3

5

7.1

12

85.2

170.4

1022.4

100.82

357.91

4.1

3

6

7.1

14.5

102.95

248.8

1803.77

121.82

432.48

4.92

3

7

7.1

17

120.7

341.98

2906.86

142.83

507.04

5.74

3

8

7.1

19.6

139.16

454.59

4454.67

164.67

584.59

6.56

4

4

9.5

9.5

90.25

142.9

678.76

142.9

678.76

4.37

4

5

9.5

12

114

228

1368

180.5

857.37

5.47

4

6

9.5

14.5

137.75

332.9

2413.49

218.1

1035.99

6.56

4

7

9.5

17

161.5

457.58

3889.46

255.71

1214.61

7.66

4

8

9.5

19.6

186.2

608.25

5960.88

294.82

1400.38

8.75

 Corresponde a la publicación TABLA PARA PREDIMENSIONADO Y VERIFICACIÓN DE SECCIONES DE MADERA Y ACERO

RECOPILACIÓN: Ing. José Luis Gómez