Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 9, Problem 9.5P
To determine
Find the expected settlement beneath the center of the foundation.
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These equations can be
applied for dry soil, except:
a) Sre = wGs
%3D
b) Gspw /1+ e
c) Ms / V
d) Po /1 + w
Please give the correct solutionnof this problem on geotechnical engineering
A soil Profile is given below. The uniformly distributed load on the ground surface is 46.
Determine the primary settlement of the normally consolidate clay layer, given that
H1 = 4ft, H2 = 6ft, H3 = 4ft
For sand, e = 0.58, Gs = 2.67
%3D
For Clay, e = 1.1, Gs = 2.72, LL = 45
%3!
46 = 1800 Ib/ft2
Sand
Groundwater table
Clay
Void ratioe
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Principles of Foundation Engineering (MindTap Course List)
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- Subject : Geotechnical Engineering Read the question carefully and give me right solution according to the question. If you don't know the solution please leave itarrow_forwardScenario The wall footing at right is to be constructed to carry an inclined load at 85 degrees with the horizontal, as shown. Assume that there is impenetrable bedrock below the Sample point shown in the figure. Question #1: Calculate the expected primary settlement of the soil at the Sample point. Also, determine the time it will take for 60% of the expected primary settlement to occur. 2.5 m 0.5 m 120 kN/m 2 m y = 17.7 kN/m³ • Sample Cc = 0.190 Cv = 0.5 cm²/day eo = 0.83 Silty clay Question #2: Determine the factor of safety against bearing failure of the soil for the wall footing if qult of the soil is 160 kN/m².arrow_forwardA 5-ft fill is to be placed over the following soil profile shown below. Determine if the clay is normally consolidated or over-consolidated. The pre-consolidation pressure (past maximum consolidation stress) of the clay is 1000 lb/ft3. 5 ft 2 ft 4 ft Proposed Fill, y = 120 lb/ft³ Sand Clay Rock 2 ft A Ydry = 100 lb/ft³ Ground water table Ysat 110 lb/ft³ = o'= Pc = 1000 lb/ft²arrow_forward
- Need asap pls. Thank you.arrow_forwardAnswer the following by True or False A soil having Plastic Index (PI) equal -4 ZERO is considered as the best subgrade . soil Coefficient of uniformity equal to D10/-5 . D60arrow_forwardCalculate the soil density in PCF to be used in ground support system loading calculations for the following: a) Stiff glacial clay below the water table ε = 0.60, S.G. = 2.75 b) Uniform dense sand below the water table ε = 0.58, S.G. = 2.70arrow_forward
- Hi, can you please solve this exercise? Thank you!arrow_forwardSoil mechanics solution pleasearrow_forwardSoil Settlement Situation 3. See figure GEOD 23.0. The soil is acted upon by a uniformly distributed lload of 60 kPaat the ground surface. > Compute the settlement of the clay layer caused by primaryconsolidation if the soil is normally consolidated. > > Compute the settlement of the clay layer caused by primaryconsolidation pressure of clay is 230 kPa. o Use Cs=cc/5. Compute the settlement of the clay layer caused by primary consolidation if the pre-consolidation pressure of clay is 200 kPa. Use cs=cc/5. 4 m 8 m II Sand Sand 6 m Clay eu/w 60 kPa Ydry = 16.5 kN/m^3 VGWT Ysat 18.0 kN/m^3 Ysat 20.0 kN/m^3 e = 0.85 LL = 48% Fig. GEOD 23.0arrow_forward
- Given the following SPT result, determine the N-value and the soil’s relative density (No correction due to the effective overburden pressure is required). Cumulative Depth (in.) Number of Blows 6 5 12 6 18 7 Which of the following is incorrect regarding the Soil Classification Systems?a. The AASHTO Soil Classification System is commonly used in highway design and construction b. In the USCS, SP stands for Poorly Graded Sandc. Both AASHTO and USCS, percent passing #200 sieve is a crucial piece of informationd. Percent passing #4 sieve is required in order to use the AASHTO systemarrow_forwardQuestion 1 A water tank is being constructed on a 15 m thick homogeneous sand layer overlying bedrock at a depth of 1.5 m below grade. The tank is 10 m high and 20 m in diameter. The bearing soils have a Poisson's ratio of 0.35 and the modulus of elasticity increases linearly from 7 MPa at surface to 15 m near the surface of bedrock at a rate of 0.4 MPa/m. a) Plot the distribution of pressure with depth under the centre of the tank after the tank has been filled. b) How much settlement is expected immediately after filling the tank?arrow_forwardThe following two gradation curves are for two types of soils. Classify the two soils according to AASHTO and Modified Systemsarrow_forward
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