1.Determine the safe value of P based on the Tension on Gross Area. 2. Determine the safe value of P based on the Tension on Net Area.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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The lap joint of a tension member is shown in the figure. The plate is 252 mm wide and 12 mm thick. The A325 bolts are 20 mm in diameter and the holes are 3 mm larger than the bolt diameter. Steel is A36. It is required to determine the ultimate capacity of the joint based on gross area, net area, and block shear. Use LRFD specifications and assume that live load to dead load ratio is equal to 3.0. A325 Bolts Properties: Fnt = 620 MPa Fnv = 469 MPa A36 Properties: Fy = 248 MPa Fu = 400 MPa 1.Determine the safe value of P based on the Tension on Gross Area. 2. Determine the safe value of P based on the Tension on Net Area.
P
38 mm
63 mm
*
63 mm
63 mm
↓
63 mm
63 mm 63 mm
O
O
O O O
O O O
t=12mm
38 mm
252 mm
Transcribed Image Text:P 38 mm 63 mm * 63 mm 63 mm ↓ 63 mm 63 mm 63 mm O O O O O O O O t=12mm 38 mm 252 mm
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