SPT test was performed in a 200 mm diameter boring at a depth of 3.5 m...
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SPT test was performed in a 200 mm diameter boring at a depth of 3.5 m below the ground surface. The driller used a Venezuela-style donut-shaped Cathead hammer and a standard SPT sampler. The actual blow count (N) was 25. The soil is a clayey sand that has OCR of 2, a dry unit weight of 16 kN/m³ and a saturated unit weight of 17.5 kN/m². D50 of the soil is 0.2 mm. The groundwater table is at a depth of 2m. Take unit weight of water as 9.8 kN/m². Take age of the soil (t) as 800 years. Calculate: (1pts) N60 (N₁)60 D. (relative density) Consistency (denseness) Ø (internal friction angle) SPT test was performed in a 200 mm diameter boring at a depth of 3.5 m below the ground surface. The driller used a Venezuela-style donut-shaped Cathead hammer and a standard SPT sampler. The actual blow count (N) was 25. The soil is a clayey sand that has OCR of 2, a dry unit weight of 16 kN/m³ and a saturated unit weight of 17.5 kN/m². D50 of the soil is 0.2 mm. The groundwater table is at a depth of 2m. Take unit weight of water as 9.8 kN/m². Take age of the soil (t) as 800 years. Calculate: (1pts) N60 (N₁)60 D. (relative density) Consistency (denseness) Ø (internal friction angle)
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