Unformatted text preview: PROBLEM 1.29 PROBLEM 1.30 1.29 The 6 RN load P is supponed by two wooden members of 75 X 125~ mm
uniform rectangular cross section which are joined by the simple glued scarf splice
shown. Determine the normal and shearing stresses in the glued splice. SOLUTION p :: 6 x103 N e = 9o° 70" = 20°
A, = (0.075)(o.i2s\ = 7.375 x163 m" _ 3?. 2 _W 3
6‘ — A0 605 9  1375,10,;  565x10 G= 565' 141790; 4 __ .1: _ ___ (3x105) arm 90"
1" 2A. 5m 29 (13(13'IS'XIO‘3) ’31 = 906 9.134.. 4 = 2067103 1.30 Two wooden members of 75 x 125 mm uniform rectangular cross section are
joined by the simple glued scarf splice shown. Knowing that the maximum allowable
tensile stress in the glued splice is 500 kPa, determine (a) the largest load P which can
be safely supported, (1)) the corresponding shearing stress in the splice. SOLUTION 'L A, = (0.0733(0.12§\r = 9.375 ado—3 1m
6' = :00 x103 m = 53°85‘wio’ ) sin Lio _ g
(2X137S‘r103) — 131.36: x10 1’: 181.0 kPa. « ...
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 Summer '10
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