a. A column 425 mm x 425 mm carries a characteristic axial load of 800 kN dead and 300KN imposed. A footing size of 2800mm x 2800mm and thickness of 500mm has been proposed. The allowable bearing pressure of the soil is 200kN/m2. You are required to: (i) check the suitability of the size and design the base against bending, punching shear

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Further Design Information
Characteristic strength of concrete (feu)
= 35 N/mm2
Characteristic yield stress of steel (fy)
= 460 N/mm2
Cover to reinforcement
= 50 mm
Diameter of main bars
= 16 mm
Unit weight of concrete
= 24 kN/m3
Transcribed Image Text:Further Design Information Characteristic strength of concrete (feu) = 35 N/mm2 Characteristic yield stress of steel (fy) = 460 N/mm2 Cover to reinforcement = 50 mm Diameter of main bars = 16 mm Unit weight of concrete = 24 kN/m3
QUESTION 2
a. A column 425 mm x 425 mm carries a characteristic axial load of 800 kN dead and
300KN imposed. A footing size of 2800mm x 2800mm and thickness of 500mm has been
proposed, The allowable bearing pressure of the soil is 200KN/m2.
You are required to:
(i)
check the suitability of the size and design the base against bending, punching
shear
(ii)
Show in a sketch the reinforcement details provided.
Transcribed Image Text:QUESTION 2 a. A column 425 mm x 425 mm carries a characteristic axial load of 800 kN dead and 300KN imposed. A footing size of 2800mm x 2800mm and thickness of 500mm has been proposed, The allowable bearing pressure of the soil is 200KN/m2. You are required to: (i) check the suitability of the size and design the base against bending, punching shear (ii) Show in a sketch the reinforcement details provided.
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