Q.3 An internal column on the ground floor of a multi-storey building is square, short and braced and supports dead load G = 600 kN and live load Q = 750 kN. The overall height of the column l. = 5 m and the effective height factor is 0.85 and feu = 30 N/mm2 and fy = 500 N/mm2. a) Assuming that the column supports an approximately symmetrical arrangement of beams determine: (i) A suitable cross-section for the column based on the criteria for short columns. (ii) The area of the longitudinal reinforcement; (iii) The size and spacing of the links. b) The ultimate axial load N computed in (a) is applied axially to the column. Design the longitudinal reinforcement and links for this load condition.

Q.3 An internal column on the ground floor of a multi-storey building is square, short and braced and supports dead load G = 600 kN and live load Q = 750 kN. The overall height of the column l. = 5 m and the effective height factor is 0.85 and feu = 30 N/mm2 and fy = 500 N/mm2. a) Assuming that the column supports an approximately symmetrical arrangement of beams determine: (i) A suitable cross-section for the column based on the criteria for short columns. (ii) The area of the longitudinal reinforcement; (iii) The size and spacing of the links. b) The ultimate axial load N computed in (a) is applied axially to the column. Design the longitudinal reinforcement and links for this load condition.

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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Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

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Q.3
An internal column on the ground floor of a multi-storey building is square, short and
braced and supports dead load Gk = 600 kN and live load Qk= 750 kN. The overall height
of the column / = 5 m and the effective height factor is 0.85 and feu = 30 N/mm2 and fy=
500 N/mm2.
a) Assuming that the column supports an approximately symmetrical arrangement of
beams determine:
(i) A suitable cross-section for the column based on the criteria for short columns.
(ii) The area of the longitudinal reinforcement;
(iii) The size and spacing of the links.
b) The ultimate axial load N computed in (a) is applied axially to the column. Design
the longitudinal reinforcement and links for this load condition.

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