1. A rectangular piece of wood, 250 mm by 700 mm in cross section, is used as a compression block shown below. Determine the axial force P that can be safely applied to the block if the compressive stress in wood is limited to 15 MN/m² and the shearing stress parallel to the grain is limited to 25 MN/m². The grain makes an angle of 30° with the horizontal, as shown. 30 700mm

1. A rectangular piece of wood, 250 mm by 700 mm in cross section, is used as a compression block shown below. Determine the axial force P that can be safely applied to the block if the compressive stress in wood is limited to 15 MN/m² and the shearing stress parallel to the grain is limited to 25 MN/m². The grain makes an angle of 30° with the horizontal, as shown. 30 700mm

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

1. A rectangular piece of wood, 250 mm by 700 mm in cross
section, is used as a compression block shown below. Determine the
axial force P that can be safely applied to the block if the
compressive stress in wood is limited to 15 MN/m² and the shearing
stress parallel to the grain is limited to 25 MN/m². The grain makes an
angle of 30° with the horizontal, as shown.
30
700mm

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