As part of a construction project, a 11 m thick layer of clay is to be loaded with a temporary 5 m thick sand layer. The figure below shows the water-table location, soil unit weights, and the compression curve properties for the clay. Assume the sand layer remains dry. a. Calculate the value of σ′v in the middle of the clay layer (at 5.5 m below the water table) before the sand layer is applied, and after consolidation is complete

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Consolidation

Section: Chapter Questions

Problem 9.8P

See similar textbooks

Related questions

Q: A soil having a specific gravity of 2.74 has a moist unit weight of 20.6 kN/cu.m and a moisture…

A: Specific gravity, Gs = 2.74Moist unit weight = 20.6 kN/m3 Moisture content = 16.6%

Q: Problem 5: Develop a flow chart of the process for determining the bar cutoff locations in flexural…

A: To develop:A flowchart showing the process for determining bar cutoff locations in flexural member

Q: Steel Design A W610 x 82 beam of A 36 steel has end reaction of 302 kN and is supported on a plate…

A: In order to check the beam adequacy for web crippling let us first find the Nominal web crippling…

Q: SAMPLE PROBLEM 1: VSE LRED The A-36 steel W6 x 20 column is pin connected at the top and fixed at…

Q: 8.3 A planned flexible load area (see Figure P8.3) is 2 m x 3.2 m and carries a uniformly…

Q: For the following structures, calculate -Reactions -Deformation diagrams (individual and general) An…

Q: The long tube shown in (Figure 1) has a diameter of 5.0 mm in the wider section and 2.0 mm in the…

A: D = 5 mm or 0.005 m d = 2 mm or 0.002 m Q = 0.04 L/s or 4 x 10-5/s = 10-3 Pa-s

Q: Problem: A 2 story bank is constructed with reinforced masonry walls and the floor and structural…

A: A "2-story bank" is a building that houses a bank and has two stories or levels and the bank has two…

Q: Problem 2 - The wind velocity at the top of Snowflex is given by the following u and v velocities,…

A: The component of velocity is givenTo determine the velocity and acceleration at point x = 2m and y =…

Q: Moment Area: IKE A Å 112. Skips t 10 kips VC 200 ft kips * 10 ft Find Of using moment Area method…

Q: 6.62 This bend discharges water (p = 1000 kg/m³) into the atmosphere at section 2. Determine the…

Q: For the slab shown in figure. Determine the steel reinforcement in the short direction for the…

A: Live load(LL)=6 kN/m2,Concrete strength (fc)=28 Mpa,Yield strength(fy)=420 Mpa.

Q: Only part B

A: A propped cantilever beam fixed at A and supported on roller at B.A point load P = 1kN is acting at…

Q: 1. Draw the shear and homent diagrams for the beam shown in Figure 1. EI is constant. Neglect the…

Q: Use the same data as in problem 1 except that the standard deviation of the entire population is…

A: Since mentioned that the standard deviation of the entire population is known to be 1.2 MPa, can use…

Q: A flexible pavement is to be designed to last 10 years. The initial PSI is 4.2 and the TSI (the…

A: Design period = 10 yearsIntial PSI = 4.2Final PSI =2.5Soil resilient modulus, MR = 15,000 lb/in²For…

Q: Prompts A drawing that shows an accurate layout of a piece of land. 2 A drawing that shows an…

A: Gievn data,5 statement is given and choose the correct option for each statementLet's choosing the…

Q: (a) Complete the table below for the three slope and flow classifications: Relationship between…

A: TypeRelationship between Normal depth (dn) and Critical depth (dc)Type of slopeType of…

Q: The 10 ft rectangular wooden column has the dimensions indicated. Determine the critical load if It…

A: Length of the column (L) = 10 ft x 12 = 120 inModulus of elasticity of material (Ew) = 1.6 x 103…

Q: 25mm

Q: imple 7 Page 266): Water (T= 20°C) flows from a tank through discharge of water. (Include only the…

Q: Problem-11 Determine the tension in each of the ropes TBA and TCA. ww 4m B 5m 500N 4m 2m

Q: Can you please show how to answer theta b up until to deflection in c

Q: Determine the reactions of the given beam using moment distribution method. w = 20 kN/m A RA 10m…

A: Given data w=20kN/m

Q: What is the value of K so that the magnitude of the deflection at the middle of the two supports is…

Q: 4. Determine the service load capacity of 2C10X20 channels as a truss member attached to a 7/8 in…

A: Grade of steel= A572 grade 65. Hence, yield strength= fy = 65.3 ksiUltimate strength fu = 79.8 ksi…

Q: 1. The steel beam with an I cross section is loaded as shown below. 8 kN 20 kN m -2m-1m 2m- 15 kN/m…

Q: 26.5* Two level sections 75 ft apart with center heights 4.8 and 7.2 ft in fill, base width 30 ft,…

A: Given data- B= 30 ft L =75 ft Slope = 2:1 Find out - Volume of cross section ?

Q: Find the equation of the orthogonal of the set of the x² + (y + c)² = C² curves:

A: Given the family of curves is x2+(y+c)2=c2,here c is the parameter.

Q: The dresser has a weight of 80 lb and is pushed along the floor as shown in (Eigure 1). Assume h =…

A: Part A) Calculate the minimum force to move,

Q: Parkin and Owen (1986) report the following parameter values for anaerobic digestion of primary…

A: Half saturation constant, Maximum specific growth, Maximum specific substrate use rate, Endogeneous…

Q: How

Q: Assuming the fill soil does not change properties, how can the compated soil density exceed 100%…

A: Given data.,Question given related to geotechnical enhineeringLet's discuss the correct answer for…

Q: SAMPLE PROBLEM 1: Properties of W 30 x 116 d = 762 mm A W 30 x 116 beam has the top flange…

Q: An 8.50 m high retaining wall is built to support a sandy silt with a volumetric weight of 1850…

A: Height of the retaining wall (H) = 8.50 mUnit weight of the soil (γ) = 1850 kg/m³Angle of internal…

Q: Hand written and clean writing please

Q: A beam is subjected to the loading condition shown below. Determine the displacement at A and the…

A: “Since you have asked for multiple methods, we will provide the solution only using the first method…

Q: Fluid flows at the rate of 0.272 m/s in a 925 mm diameter pipeline 588 m. long. Specific gravity of…

A: V = 0.272 m/s D = 925 mm or 0.925 mL = 588 m f = 0.012

Q: What are the major thermal factors to consider when selecting a material?

A: Thermal conductivity Thermal conductanceThermal resistanceMelting temperatureHeat capacity

Q: 7-9. Determine the equations of the elastic curve using the coordinates x, and x, and specify the…

A: Consider the free body diagram of the given beam as shown below.

Q: A. Determine the reactions of A and B. B. SOLVE THE TENSILE FORCE IN EACH MEMBER WITH DETAILED…

Q: It is required to design a combined footing for two RCC columns spaced at 4.5 m C/C. The columns are…

Q: H.W.9: Select an economical rectangular beam size and bar using ACI strength method. The beam is a…

A: Given,L = 12 m or 12000 mm wL = 20 kN/m wD = 25 kN/m f'c = 28 MPafy = 400 MPa

Q: A column 12" square with fc'=5 ksi reinforced with 8#10 bars of fy=60ksi,support a service load of…

A: Footing:Footing could be a sort of foundation that's constructed with concrete or brickwork masonry…

Q: GIVEN: Truss loaded with dead, live and wind. 500 lb 1000 lb 1000 lb DEAD LOAD 1000 lb 1000 lb 1000…

A: To calculate :Analyze the truss

Q: the answer choices are given in the picture.... the answers provided are not even options from the…

A: Given span length= L = 30 ft Uniformly distributed live load= 110 Kips Uniformly distributed dead…

Q: 6.3 Refer to Figure 6.7 and consider a rectangular foundation. Given: B = 1.5 m, L=2.5 m, Df = 1.2…

A: Since you have posted multiple questions, we will provide the solution only for the first question…

Q: 19m X₁ = 22.79 50 10m X2=87.21 KN Im LOWEST POINT 10m IP M KEM 金 -24m

A: A)VA = VB = WL/2 = 50×60/2 = 1500 KN=> Maximum tension and minimum tension at a distance of 10 m…

Q: (3) The beam supports a uniform dead load of 6 kN/m, a live load of 20 kN/m, and a single live…

A: Given data,Beam is givenuniform dead load=6 KN/mlive load=20 KN/mlive concentrated force of…

Q: A large embankment is to be built on the surface of a 18-ft clay layer. Before the embankment is…

A: When the saturated soil is loaded externally, the water squeezes out and the soil shrinks over the…

Question

As part of a construction project, a 11 m thick layer of clay is to be loaded with a temporary 5 m thick sand layer. The figure below shows the water-table location, soil unit weights, and the compression curve properties for the clay. Assume the sand layer remains dry.
a. Calculate the value of σ′v in the middle of the clay layer (at 5.5 m below the water table) before the sand layer is applied, and after consolidation is complete
b. Based on your answer in part (a), and the compression curve characteristics, calculate the settlement that will occur under these conditions.
c. How much will the clay layer heave when the 5 m sand layer is removed?

5 m
11 m
Applied sand layer, y = 16 kN/m³
!
Clay, y, = 20.5 kN/m³
σ₂ = 74 kPa, Cre = 0.03, Cee = 0.18
MEER
IL VINT-I

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: State the given data

VIEW

Step 2: Determine the effective stress in the middle of the clay

VIEW

Step 3: Determine the clay layer heave

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

The following data are given for normally consolidated clay: Thickness=2.6m Primary Cc=0.3 Secondary Cc=0.02 e=0.8 Average Pressure=127 kPa Change in pressure (vertical) =46 kPa Determine the following 1. Primary Consolidation Settlement (Ans. 58.17mm) 2. Secondary Settlement five years after the completion of the primary settlement. The time for completion of primary settlement is 1.5 years. (Ans. 15.4mm)
b) For a normally consolidated laboratory clay specimen drained on both sides, the follow are given o'o =150 kN/m², e = eo = 1.1 •o'o+ Ao = 300 kN/m², e = 0.9 The thickness of clay specimen = 25mm Time for 50% consolidation = 2mm a) Determine the hydraulic conductivity of the clay for the loading range. %3D CR[5] b) How long (in days) will it take for a 1.8m clay layer in the field (drained on one side) to reach 60% consolidation.
2 m 2 m 3 m Figure P2.11 A Dry sand; e = 0.5 G, = 2.65 B Water table Sand Gs = 2.65 e = 0.6 C Clay w = 36% GS = 2.75 D Rock
For a given consolidated clay: Gs= 2.71; LL= 45; In situ average effective overburden pressure = 120 kPa; In situ void ratio= 0.80 ; Thickness of clay layer = 4m ; average increase of effective stress on clay layer= 40 kPa; Effective pressure at the mid-height of clay layer= 60 kPa; Swell Index (Cs)= 1/5 Cc. Compute the compression index. a.0.534 b.0.513 c.0.315 d.0.145 With Free Body Diagram
11.3 Refer to Figure (11.22). Given: H₁ = 2.5 m, H₂ = 2.5 m, H3 = 3 m, and Ao = 100 kN/m². Also, • Sand: e = 0.64, G₁ = 2.65 • Clay: e=0.9, Gs=2.75, LL-55, C = 0.405 Estimate the primary consolidation settlement of the clay layer assuming that it is normally consolidated. Ao Groundwater table H₂ Void ratio = Sand Clay +
A normally consolidated clay layer, 4m thick, has the following properties:Initial void ration, eo = 0.65Compression Index, Cc = 0.20Average effective pressure, σ’o = 100 kPaExpected pressure increase due to loading on ground surface = 30 kPaSecondary compression index, Cα = 0.02Time for completion of primary settlement = 1.5 yearsWhat is the total settlement of the clay layer five years after the completion of primary consolidation settlement?
Avsnitt Stiler 7.16 A layered soil is shown in Figure 7.34. Given that H = 1 m k, = 10 cm/sec H, = I m k, = 2.8 × 10 ? cm/sec. • H, = 2 m k, = 3.5 x 10 cm/sec Estimate the ratio of equivalent permeability, km/kyica) Internaliormal Tilgjengelighet Undeisok や)
surface layer QY A Soil profile consists of a surface of Line sand 6m thick with unit weight of 16-5 kN/m³ and clay layer of 8m thick beneth the Sand layer. the water table is located at adepth of 4m below the ground surface: submergend for line Sand is 10.4 kN/m², Gs love clay layer is 2.7 & wc %. = 30% Calculate the eflective stress at the middle of clay Layer. + 6m 4M DW.T Fine Sand 8m clay 8=165& M2 sub = 1o.y tw G3=2=7 w;. = 30%.
Estimate the primary consolidation settlement in the claylayer. Given: Δσ = 100 kN/m2; H1 = 4.0 m; H2 =5.5 m; and H3 = 9.5m. Soil characteristics are as Sand, e = 0.60; Gs = 2.55 Clay, LL = 60; e = 0.85; Gs = 2.65; σ'c = 200 kN/m2, Cs = 0.2 Cc Is there any difference if σ'c = zero
The following data are given for overconsolidated clay: Gs=2.71 LL=45 Average Pressure=120 kPa e=0.8 thickness=4m Change in Pressure =40 kPa Cs=1/5 Cc Determine the following 1. Compression Index (Ans. 0.315) 2. Pre-consolidation Pressure (Ans. 92.9 kPa) 3. Primary Consolidation Settlement (Ans. 49 mm)
2. A normally consolidated clay layer, 3 m thick, has the following properties: Initial void ratio, e 0.8 Compression index, Cc = 0.25 Average effective pressure, o'o= 125 Kpa Expected pre ssure increase, Aơ = 45 Kpa Secondary compre ssion index, Ca= 0.02 Time of completion of primary settlement = 1.5years What is the total settlement of the clay layer five ye ars afterthe completion of the primary se ttle ment?
Q.3. Calculate the total primary consolidation settlement of the soil layres as showr Figure Q3 below. ( 607 )kN EGL Sand Y = 18 kN/m 2m 2 m x 3 m 1 m Assume, Ysat = 18.5 kN/m³ C. = (1/6) Cc for both layers Clay layer-1 eo = 0.92 2 m Cc = 0.154 OCR=1 Silty Sand layer, Ysat = 19 kN/m³ Ysat = 19.5 kN/m³ eo = 0.564 Cc = 0.104 Clay layer-2 3 m OCR=1.6 Pervious Rock layer Figure Q3: Soil Layers E