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

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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