Assignment _1 Winter 2024
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Concordia University *
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344
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Civil Engineering
Date
Feb 20, 2024
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3
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1 Concordia University Department of Building, Civil and Environmental Engineering Structural Design
of Steel and Wood Elements BCEE 344 ASSIGNMENT No. 1 (To be submitted in the Course Moodle) Tension and Compression Members Due: February 18, 2024 Name ……………………………………
I.D. ……………………………………
Total Marks: 60 Question No. 1 (20 marks) Figure 1 shows the connection of five members at a joint along the bottom chord of a truss. Members 1, 2, 3, and 4 are in tension. Determine the tensile capacity for each of these members. The steel is ASTM A572 Grade 50 and 3
4
inch bolts are used in drilled holes. If not shown, use standard gauges (Page 6-175 of steel Handbook) for the members.
2 Question No. 2 (15 Marks) Design a member for the top chord AB in the truss shown in Fig. 3 using a double C section back-
to-back. Use G40.21-350W steel. The ends of member AB are welded to 18 mm gusset plates. Horizontal bracing is provided at the joints. Assume that the weld length L along both sides of the channels at ends A and B is L=1.25d, where d is the depth of the C section. The service loads are shown in the figure below.
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