A beam having a span L meters center to center of end supports, serves as underpinning for a column located at 0.4L from center of the left support. The column carries a load of P to the top of the beam and rests on a steel base plate which measures 300 mm along the beam (Np = 300 mm). The beam consists of two I-beams which have 120 mm supports on steel base plates (Nr = 120 mm) at its supports. Neglect weight of beam and column. For the beams, d = 600 mm, tw = 18 mm, tf = 25 mm. Use Fyw = 250 MPa. What is the maximum safe value of ultimate axial load Pu if web crippling governs? Note that 0.4L> 300 mm. Hint: Use cl. 510.10.3. Pu Pu I -Np- -0.4L -0.6L -Nr

A beam having a span L meters center to center of end supports, serves as underpinning for a column located at 0.4L from center of the left support. The column carries a load of P to the top of the beam and rests on a steel base plate which measures 300 mm along the beam (Np = 300 mm). The beam consists of two I-beams which have 120 mm supports on steel base plates (Nr = 120 mm) at its supports. Neglect weight of beam and column. For the beams, d = 600 mm, tw = 18 mm, tf = 25 mm. Use Fyw = 250 MPa. What is the maximum safe value of ultimate axial load Pu if web crippling governs? Note that 0.4L> 300 mm. Hint: Use cl. 510.10.3. Pu Pu I -Np- -0.4L -0.6L -Nr

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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The signboard truss is designed to support a horizontal wind load of 820 lb. If the resultant of this load passes through point C, calculate the forces in members BG and BF. The forces are positive if in tension, negative if in compression.HELP PLEASE! ASAP