A two-story reinforced concrete building (15m × 20m) is proposed. The foundation of the building is expected to be a strip footing of 1.5 m width and 1.0 m depth. The applied load on the strip footing is 75 kN/m. The soil profile is shown in Fig. (1). Determine the number, layout and depth of boring.

Structural Analysis
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Chapter2: Loads On Structures
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Foundation engineering
Q3) A two-story reinforced concrete building (15m × 20m) is proposed. The foundation of the
building is expected to be a strip footing of 1.5 m width and 1.0 m depth. The applied load
on the strip footing is 75 kN/m. The soil profile is shown in Fig. (1). Determine the
number, layout and depth of boring.
Med. Dense Sand
Soft Clay
Dense Sand
Bedrock
Y = 18 kN/m³
Ysat = 18 kN/m²³
Ysat = 20 kN/m3³
Fig. 1
1 m
W.T.
-
4 m
1 m
10 m
Ans.: Depth = 11.5 m
Transcribed Image Text:Q3) A two-story reinforced concrete building (15m × 20m) is proposed. The foundation of the building is expected to be a strip footing of 1.5 m width and 1.0 m depth. The applied load on the strip footing is 75 kN/m. The soil profile is shown in Fig. (1). Determine the number, layout and depth of boring. Med. Dense Sand Soft Clay Dense Sand Bedrock Y = 18 kN/m³ Ysat = 18 kN/m²³ Ysat = 20 kN/m3³ Fig. 1 1 m W.T. - 4 m 1 m 10 m Ans.: Depth = 11.5 m
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