PAST BOARD EXAM PROBLEMS
Structural Engineering & Construction
Situation 8
Light gage cold-formed steel channels used as purlins are simply supported on roof trusses, 6m apart. Given with the following details:
Roof Slope = 1V:4H
Dead Load (purlin weight included) = 720 Pa
Live Load = 1000 Pa
Wind Pressure = 1440 Pa
Wind Pressure Coefficient:
At windward side, c=0.18
At leeward side, c=0.60
Properties of C Purlins: C200x76mm
Sx = 6.19x104 mm3
Sy = 1.38x104 mm3
fbx = fby = 207 MPa
Credits:
1. Intro Template: https://youtu.be/D_UOajdPf-c
2. Music:
2.1 Driven to Success by Scott Holmes, Source: http://www.freemusicarchive.org
2.2 Instrumental (Guitar) by Carl Ernest Tayag, check his channel: https://www.youtube.com/channel/UC5jevz5Hgkv86NmLyGubzWA
3. Reference for the problem: Civil Engineering Reference for Licensure Examination, Volume 4, 1st Edition by DIT Gillesania (GERTC Review).
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