A) The 3/4 in x 15 in plate has 4 rows (or horizontal lines) of bolts. Each row has 3 bolts.The bolt diameter is 7/8 in. Determine the gross area (Ag) and the net area (An)3/415OOOOOOQOO3"3273784BoltsPet*

Given:- The plate is 34 in × 15 inDiameter of bolt=78 in To find:- Gross area and net area…

Answered: A) The 3/4 in x 15 in plate has 4 rows…

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

A) The 3/4 in x 15 in plate has 4 rows (or horizontal lines) of bolts. Each row has 3 bolts.
The bolt diameter is 7/8 in. Determine the gross area (Ag) and the net area (An)
3/4
15
O
O
O
O
O
O
Q
O
O
3"
3
27
3
784
Bolts
Pet
*

Expert Solution

Step 1

Given:-

$The plate is \frac{3}{4} in \times 15 in Diameter of bolt = \frac{7}{8} in$

To find:-

Gross area and net area

Concept:-

The nominal diameter of the hole (d_h) is equal to the bolt diameter (d_b) + 1/16 in.

However, the bolt hole fabrication process damages additional material around the hole diameter.

Assume that the material damage extends 1/16 in. around the hole diameter.

Therefore, for calculating the net section area, assume that the gross area is reduced by a hole diameter equal to the nominal hole diameter + 1/16 in.

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