A cone penetration test was carried out in normally consoli- dated sand, for which the results are summarized below: Depth (m) Cone resistance, q. (MN/m²) 2.0 3.12 3.5 4.25 5.0 5.14 6.5 9.23 8.0 12.2 The average unit weight of the sand is 16.5 kN/m'. Determine the friction angle at each depth using Eq. o' = tan 0.1 + 0.38 log

A cone penetration test was carried out in normally consoli- dated sand, for which the results are summarized below: Depth (m) Cone resistance, q. (MN/m²) 2.0 3.12 3.5 4.25 5.0 5.14 6.5 9.23 8.0 12.2 The average unit weight of the sand is 16.5 kN/m'. Determine the friction angle at each depth using Eq. o' = tan 0.1 + 0.38 log

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter3: Natural Soil Deposits And Subsoil Exploration

Section: Chapter Questions

Problem 3.22P

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Determine the relative density at each depth using attached equation. Assume moderately compressible sand and hence Qc = 1.
Determine the relative density at each depth using attached equation. Assume moderately compressible sand and hence Qc = 1.
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A dilatometer test was conducted in a sand deposit ata depth of 6 m. The groundwater table was located at a depth of 2 m below the ground surface. Given, for the sand: 3.29 - 14.5 kN/m3 and Yat 19.8 kN/m3. The contact stress during the test was 260 kN/m2. Estimate the soil friction angle, ф".
A cone penetration test result of a deposit of normally consolidated dry sand are given below. Estimate the drained friction angle of the sand using Kulhawy and Mayne's equation. The unit weight of the sand is 100 pcf. Depth ft 5.0 10.0 15.0 20.0 25.0 30.0 45 38 42 40 Tip resistance of cone, qc psi 300 600 800 1200 1400 1800
12.9
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3.15 In a deposit of normally consolidated dry sand, a cone pen- etration test was conducted. Following are the results: 316 Depth (m) 1.5 3.0 4.5 6.0 7.5 9.0 Point of resistance of cone, q. (MN/m²) 2.06 4.23 6.01 8.18 9.97 12.42 Assuming the dry unit weight of sand to be 16 kN/m³, estimate the average peak friction angle, d', of the sand. Use Eq. (3.56). Rofar
Mcq
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