b. Determine the effective net area of the section. For shear lag Factor U used the recommended values depending on the dimension of the section for W shapes with 3 or more fasteners per line. Note: use hole diameter

b. Determine the effective net area of the section. For shear lag Factor U used the recommended values depending on the dimension of the section for W shapes with 3 or more fasteners per line. Note: use hole diameter

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 W14X120 is used as a tension member in atruss. The flanges of the member are connected to a gusset plate by ¾ inch boltas shown below. Use A36 steel with Fy=36 ksi and Fu=58 ksi

b. Determine the effective net area of the section. For shear lag Factor U used the recommended values depending on the
dimension of the section for W shapes with 3 or more fasteners per line. Note: use hole diameter
if bf <
d ; U =0.85 else U=0.9
3
Round your answer to 3 decimal places.

Properties and Dimension
Ag=35.30 in^2
rX = 6.24 in
ry = 3.74 in
d=14.5 in
tf=0.94 in
bf=14.7 in
tw=0.59 in
Y
k1=1.5
k=1.54
, tf=0.94
d=14.5
- - X
-tw=0.59
bf=14.7

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