PSAD SITUATION 129: Shear Stress and Design for Flexure of Combined Footing | CELE November 2019

CELE Past Board Exam Problem To learn more, enrol now to iReview Tutorial and Review Center: https://www.facebook.com/share/1AC24W... SITUATION 1: A 6 m x 4 m combined footing is shown on the figure. Given: a = 0.4 m d = 0.4 m b = 0.4 m e = 1.3 m c = 3.5 m W = 4 m Column dimensions = 400 mm x 400 mm Effective depth = 500 mm fc' = 27.5 MPa fy = 413 MPa Shear due to factored loads: V1 = 156.8 kN V3 = 761.6 kN V2 = 610.4 kN V4 = 509.6 kN Strength reduction factors: Shear = 0.75 Flexure = 0.90 1. Calculate the punching shear stress (MPa) at column B. A. 0.765 B. 0.619 C. 0.999 D. 0.805 2. Calculate the critical wide beam shear stress (MPa). A. 0.115 B. 0.251 C. 0.456 D. 0.377 3. Calculate number of 20 mm bars parallel to the length of footing within the length “e”. A. 6 B. 8 C. 16 D. 22 Thanks for watching! Comment for questions and suggestions for future lecture in this series. Subscribe and hit the bell button to be notified for future posts. Check out our Review Center: https://www.facebook.com/share/1AC24W... #civilengineering #boardexam #engineering #structuralanalysis #structuralengineering #CivilEngineeringLicensureExamination #PRC #PSAD #loadanalysis #theoryofstructures #influencelines #CELESeptember2025