A 1.2 m. wide wall footing was constructed on the surface of a silty sand soil. If the bottom of the footing is embedded to a depth of 0.75 m. from the ground surface, determine the percent increse of the bearing capacity. Unit weight of silty sand soil = 18.88 kN/m³ angle of friction 0 = 30° and is cohesionless. Bearing capacity factors: Nc = 37.16 Ng = 22.46 Ny = 19.13 wall footing or strip footing 1.2 m Ans. 146.76%

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 1.2 m. wide wall footing was constructed on
the surface of a silty sand soil. If the bottom of
the footing is embedded to a depth of 0.75 m.
from the ground surface, determine the
percent increse of the bearing capacity. Unit
weight of silty sand soil = 18.88 kN/m³ angle of
friction 0 = 30° and is cohesionless.
Bearing capacity factors:
Nc = 37.16
Ng = 22.46
Ny = 19.13
wall footing or
strip footing
1.2 m
Ans. 146.76%
Transcribed Image Text:A 1.2 m. wide wall footing was constructed on the surface of a silty sand soil. If the bottom of the footing is embedded to a depth of 0.75 m. from the ground surface, determine the percent increse of the bearing capacity. Unit weight of silty sand soil = 18.88 kN/m³ angle of friction 0 = 30° and is cohesionless. Bearing capacity factors: Nc = 37.16 Ng = 22.46 Ny = 19.13 wall footing or strip footing 1.2 m Ans. 146.76%
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