Problem Solution

Problem 5.9

Question
Part Anticipated
Use F_bx (psi) E (psi) Grading Outer-Lamination
Species Inner-Lamination
Species Layup
Combination

a bending 2000 1,500,000 -- Western Species Western Species --

b bending 2400 1,800,000 -- Western Species Western Species --

c bending 3000 2,100,000 -- Southern Pine Southern Pine --

d bending 2000 -- visual Douglas Fir-Larch Douglas Fir-Larch 7

e bending 2400 -- visual Douglas Fir-Larch Hem-Fir 5

f bending 2400 -- machine Hem-Fir Hem-Fir 11

g bending 2600 -- visual Southern Pine Southern Pine 2

h axial -- -- -- Douglas Fir-Larch 5

i axial -- -- -- Douglas Fir-Larch 32

j axial -- -- -- Southern Pine 48

Question Part	Anticipated Use	F_bx (psi)	E (psi)	Grading	Outer-Lamination Species	Inner-Lamination Species	Layup Combination
a	bending	2000	1,500,000	--	Western Species	Western Species	--
b	bending	2400	1,800,000	--	Western Species	Western Species	--
c	bending	3000	2,100,000	--	Southern Pine	Southern Pine	--
d	bending	2000	--	visual	Douglas Fir-Larch	Douglas Fir-Larch	7
e	bending	2400	--	visual	Douglas Fir-Larch	Hem-Fir	5
f	bending	2400	--	machine	Hem-Fir	Hem-Fir	11
g	bending	2600	--	visual	Southern Pine	Southern Pine	2
h	axial	--	--	--	Douglas Fir-Larch		5
i	axial	--	--	--	Douglas Fir-Larch		32
j	axial	--	--	--	Southern Pine		48