A square footing located on a dense sand is required to carry a dead load of 200 kN and a live load of 300 kN at an eccentricity not to exceed of 10% of the width. The em- bedment depth is 1 m. Groundwater level is at 1 m below the ground surface. Calculate the size of the footing using CSM for ASD and LRFD. At a depth B/2 below the bot- tom of the footing, the soil parameters are o, = 30° from direct shear tests, OCR = 9, A = 0.8, C, = 0.016, and ysat
A square footing located on a dense sand is required to carry a dead load of 200 kN and a live load of 300 kN at an eccentricity not to exceed of 10% of the width. The em- bedment depth is 1 m. Groundwater level is at 1 m below the ground surface. Calculate the size of the footing using CSM for ASD and LRFD. At a depth B/2 below the bot- tom of the footing, the soil parameters are o, = 30° from direct shear tests, OCR = 9, A = 0.8, C, = 0.016, and ysat
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A square footing located on a dense sand is required to
carry a dead load of 200 kN and a live load of 300 kN at
an eccentricity not to exceed of 10% of the width. The em-
bedment depth is 1 m. Groundwater level is at 1 m below
the ground surface. Calculate the size of the footing using
CSM for ASD and LRFD. At a depth B/2 below the bot-
tom of the footing, the soil parameters are o, = 30° from
direct shear tests, OCR = 9, A = 0.8, C, = 0.016, and ysat
= 18.8 kN/m³. Assume the soil above the groundwater
level to be saturated and v' = 0.35. Determine the factor
of safety of the footing (use the footing size designed
according to CSM) using the conventional method.
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