A square footing is shown in Fig. 16.21. Determine the safe gross load (factor of safety of 3) that can carry. 0.5 m 0.5 m 1.2 m Y = 16 kN/m³ c' = 0 $' = 32° Groundwater table Ysat 19.5 kN/m³ Fig. 16.21

A square footing is shown in Fig. 16.21. Determine the safe gross load (factor of safety of 3) that can carry. 0.5 m 0.5 m 1.2 m Y = 16 kN/m³ c' = 0 $' = 32° Groundwater table Ysat 19.5 kN/m³ Fig. 16.21

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

Load and resistance factor design

Load and resistance factors design (LRFD), also known as Limit state design (LSD), refers to the design method used in building engineering. A boundary condition is a condition of a structure where it can no longer meet the relevant design requirements. The condition may refer to the load level or other actions on the structure, while the terms refer to the integrity of the structure, suitability for use, durability, or other design requirements. A structure designed for LRFD is limited to keeping track of all possible actions during its design time and is always ready for use, with the appropriate level of reliability in each boundary condition. LRFD-based construction codes clearly define the appropriate levels of reliability in their instructions.

Question

A square footing is shown in Fig. 16.21. Determine the safe gross load (factor of safety of 3) that can
carry.
0.5 m
0.5 m
1.2 m
Y = 16 kN/m³
c' = 0
Fig. 16.21
o'= 32°
Groundwater table
Ysat 19.5 kN/m³

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Example: 1 • A square footing 2.5m x 2.5m is shown in the figure below. Determine the magnitude of the safe gross load (using MEYERHOF'S method and factor of safety of 3) that the footing can carry. 1m Bearing Capacity 1m y = 15kN/m³ c=0 = 35⁰ Yat=19kN/m²
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Example: 1 • A square footing 2.5m x 2.5m is shown in the figure below. Determine the magnitude of the safe gross load (using MEYERHOF'S method and factor of safety of 3) that the footing can carry. 1m Bearing Capacity 1m y = 15kN/m³ c=0 = 35⁰ Yat=19kN/m²