The 20mm diameter bolt fastens two wooden planks together. The nut is tightened until the tensile stress in the bolt is R MPa. Find the smallest safe diameter d of the washers if the working bearing stress for wood is Q MPa. The planks are 1 mm from the circumference of the bolt.

The 20mm diameter bolt fastens two wooden planks together. The nut is tightened until the tensile stress in the bolt is R MPa. Find the smallest safe diameter d of the washers if the working bearing stress for wood is Q MPa. The planks are 1 mm from the circumference of the bolt.

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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Concept explainers

Advanced Framing Techniques

In construction engineering, framing means joining together pieces of members to build a whole structure. Framing is the step where the construction project starts taking its shape. Wood, engineered wood, and structural steel are some of the framing materials used in construction. The framing technique is divided into two types, lightweight framing, and heavyweight framing. In the heavyweight framing, the vertical supports are few, and the size and weight of the pieces to be used are more like timber framing, pole building framing, and steel framing. Lightweight framing has several smaller size vertical pieces like a balloon, platform, and light-steel framing.

Question

Student
A
B
D
H
Number
201780130
2
1
7
8
1
3
Evaluate the following variables and use them as given in the following problems.
200 if I is even, 250 if I is odd
(D + G)*10
(H + I/2, if in case the result is zero, use 3
(A +C + E)*2
(P + M)*20
H + 5
M
Q
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50(E + G + 1)
II
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7. The 20mm diameter bolt fastens two wooden planks together. The nut is tightened until
the tensile stress in the bolt is R MPa. Find the smallest safe diameter d of the washers if
the working bearing stress for wood is Q MPa. The planks are 1 mm from the
circumference of the bolt.
20 mm

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