1. The given rectangular beam is the section of the 2-span frame shown. The properties of the section are all given in the figure. The column size is 600mm by 600mm. A 6-32 mm 6.0 m Wu S f'c = 21 MPa fy=276 MPa cc = 50 mm 0,= 10 mm b=350 mm h=400 mm B 7.0 m Wu For calculating negative moments, I, is taken as the average of the adjacent clear span lengths. POSITIVE MOMENT: End spans Discontinuous end unrestrained Discontinuous end integral with support Interior spans NEGATIVE MOMENT: at exterior face of first interior support Two spans More than two spans at other faces of interior supports at face of all supports for: slabs with spans not exceeding 3 meters; and beams where ratio of sum of column stiffnesses to beam stiffness exceeds eight at each end of the span at interior face of exterior support for members built integrally with supports: where support is a spandrel beam where support is a column.............. C c. What is the steel stress in the given section in MPa? w 1²/16 w219 w/10 w/²/12 w.l.²/24 w/16 a. Calculate the effective depth of the section in mm?` b. Calculate the depth of the neutral axis at failure of the beam in mm.

1. The given rectangular beam is the section of the 2-span frame shown. The properties of the section are all given in the figure. The column size is 600mm by 600mm. A 6-32 mm 6.0 m Wu S f'c = 21 MPa fy=276 MPa cc = 50 mm 0,= 10 mm b=350 mm h=400 mm B 7.0 m Wu For calculating negative moments, I, is taken as the average of the adjacent clear span lengths. POSITIVE MOMENT: End spans Discontinuous end unrestrained Discontinuous end integral with support Interior spans NEGATIVE MOMENT: at exterior face of first interior support Two spans More than two spans at other faces of interior supports at face of all supports for: slabs with spans not exceeding 3 meters; and beams where ratio of sum of column stiffnesses to beam stiffness exceeds eight at each end of the span at interior face of exterior support for members built integrally with supports: where support is a spandrel beam where support is a column.............. C c. What is the steel stress in the given section in MPa? w 1²/16 w219 w/10 w/²/12 w.l.²/24 w/16 a. Calculate the effective depth of the section in mm?` b. Calculate the depth of the neutral axis at failure of the beam in mm.

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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