A wooden beam is fabricated from three pieces of lumber to form the I-beam cross section shown. The flanges of the beam are fastened to the web with nails that can safely transmit a force of 100 lb in direct shear. If the beam is simply supported and carries a vertical 1305-lb load at the center of a 12-ft span, determine the maximum spacing s (along the length of the beam) allowed for the nails. 4 in. 2 in. 2 in. 8 in. 2 in. Nails O 1.57 in. O 2.05 in. O 1.16 in. O 1.88 in. O 2.40 in.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A wooden beam is fabricated from three pieces of lumber to form the I-beam cross section shown. The flanges of the beam are
fastened to the web with nails that can safely transmit a force of 100 lb in direct shear. If the beam is simply supported and carries a
vertical 1305-lb load at the center of a 12-ft span, determine the maximum spacing s (along the length of the beam) allowed for the
nails.
4 in.
2 in.
2 in.
8 in.
2 in.
Nails
O 1.57 in.
O 2.05 in.
O 1.16 in.
O 1.88 in.
O 2.40 in.
Transcribed Image Text:A wooden beam is fabricated from three pieces of lumber to form the I-beam cross section shown. The flanges of the beam are fastened to the web with nails that can safely transmit a force of 100 lb in direct shear. If the beam is simply supported and carries a vertical 1305-lb load at the center of a 12-ft span, determine the maximum spacing s (along the length of the beam) allowed for the nails. 4 in. 2 in. 2 in. 8 in. 2 in. Nails O 1.57 in. O 2.05 in. O 1.16 in. O 1.88 in. O 2.40 in.
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