Problem 3 The W12 x 53 tension member shown in Figure 5 has two rows of three 25-mm-diameter A325N bolts in each flange. Assuming ASTM A572 (Fy = 345 MPa, Fu = 448 MPa) steel and considering the strength of the W12 x 53 only, a) Determine the LRFD design tension strength ØP of the W12 x 53, b) Determine the service dead load that can be supported if there is no live load, and c) If a service dead load, PDL = 445 kN is applied, what is the maximum service live load, PL, that can be supported?

Problem 3 The W12 x 53 tension member shown in Figure 5 has two rows of three 25-mm-diameter A325N bolts in each flange. Assuming ASTM A572 (Fy = 345 MPa, Fu = 448 MPa) steel and considering the strength of the W12 x 53 only, a) Determine the LRFD design tension strength ØP of the W12 x 53, b) Determine the service dead load that can be supported if there is no live load, and c) If a service dead load, PDL = 445 kN is applied, what is the maximum service live load, PL, that can be supported?

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

D
D
OD
ap
ap
section b
a. side view
Properties of W 12 x 53
Ag = 10064.5 mm²
d = 307.34 mm
b₁ = 254 mm
tr = 14.61 mm
F
Figure 5
-O
-O
O
O
b. end view of bolts
WT 6 X 26.5
x = 25.9 mm

Problem 3
The W12 x 53 tension member shown in Figure 5 has two rows of three 25-mm-diameter
A325N bolts in each flange. Assuming ASTM A572 (Fy = 345 MPa, Fu = 448 MPa) steel
and considering the strength of the W12 x 53 only,
a) Determine the LRFD design tension strength ØP of the W12 x 53,
b) Determine the service dead load that can be supported if there is no live load, and
c) If a service dead load, PDL = 445 kN is applied, what is the maximum service
live load, PL, that can be supported?

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