The drained shear strength parameters of a N.C.C are (C' = 0 and Ø' = 30°). The found to unconfined compression strength of a similar sample was be (150 kN/m²). Find the pore water pressure at failure for the unconfined compression test sample.

The drained shear strength parameters of a N.C.C are (C' = 0 and Ø' = 30°). The found to unconfined compression strength of a similar sample was be (150 kN/m²). Find the pore water pressure at failure for the unconfined compression test sample.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter12: Subsurface Exploration

Section: Chapter Questions

Problem 12.4P

See similar textbooks

Related questions

Q: a. Determine the following design criteria for the bioreactor: Bioreactor Volume (V) Food to Biomass…

A: A continuous stirred tank reactor (CSTR) Activated Sludge Process is used to treat municipal…

Q: 25: Shear strength parameters of N.C. clay sample are: Ø = 15°, 6 = 30° a- In a CU test on the same…

A: Clay samples; ϕ=15oϕ'=30o The confined pressure, σc= 150 kN/m2 Normal stress, σ=100 kN/m2 The…

Q: In a 1:50 model of a spillway, the discharge was measured to be 0.3 m³/s. The corresponding…

A: In a 1:50 model of spillway, The discharge was measured to be 0.3 m3/s.

Q: wo straight tangents of a two-line highway intersect at point B. The tangents have azmuths of 270…

A: azmuths- 2700 and 1100 Radius - 7300 ft To find - a)the tangent lengths b)the length of curve c) PI…

Q: Q1 constant. Determine the slope and the displacement at C. El is 12 k-ft JA 4 ft 6k 6 ft B

Q: Q10. Calculate shear force and bending moment at various points of the beam given in figure and draw…

A: Consider Moment equilibrium at A Dy*5 = 10 + 30*3*(1.5+2) + 60*6 (considering 30 KN/m load is of…

Q: The 60° strain rosette is attached to point A on the surface of the support. Due to the loading the…

Q: Match all the possible combinations between Column X (Cement compounds) and Column Y (Cement…

A: Cement compounds in column X with there different cement properties in column Y.

Q: Problem#2: An overhanging beam made of IPE270 is subjected to a factored concentrated load of Pu, as…

A: Given Data:Factored Concentrated Load ,Pu= 50kN , For IPE270 : Wpx=484×103mm3,…

Q: 2) Find the support responses of the plane lattice in the figure and calculate the rod forces 1, 2,…

A: Determine the support reaction and force in member 1,2,3 and 4.

Q: What more steps, in addition to these measures, may be taken to ensure the legitimacy of the data…

A: To ensure the legitimacy of the data gathered in the field, few additional steps can be taken. Here…

Q: Consider a rectangular footing and loading conditions shown in the figure below. The foundation…

A: Foundation rests on the ground.Load= 300 kNMoment about y axis = 400 kNweight of the footing - 450…

Q: a. 100 cm3 saturated sample of quartz sand is weighed, gravity drained, weighed, oven dried, and…

A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

Q: 3)/ Three clay specimens, having small air-voids content were tested in a shear box under undrained…

A: Given; σ1 =1 σ2=2 σ3 = 3 in (kg/cm2)τ1 = 0.9 τ2 = 1.01 τ3 = 1.12 in (kg/cm2)

Q: A superspeedway in New Delhi has among the highest super-elevation rates of any track on the Indians…

Q: How may advances in computing power and data analytics improve transportation policy, practise, and…

A: Advances in computing power and data analytics have the potential to revolutionize transportation…

Q: Determine the deflection at midpoint between the supports A and B for the beam loaded as shown in…

A: ##Calculation of deflection at Mid point of A and B support using Unit load method ####

Q: The magnetic bearing of a line AB was N 59° 30' W in the year 1967, when the declination was 4° 10'…

A: Given- In 1967- Magnetic bearing of line AB = N 59o30' W Declination d = 4o10' E Present declination…

Q: The magnetic bearing of a line AB is S 45° E and the declination is 5° West. The true bearing of the…

A: Magnetic bearing of line AB- MB = S 45o E, Declination d = 5o W, To Find- The value of the true…

Q: *7-8. Determine the internal normal force, shear force, and moment at point C.

A: Length of the beam is AB = 5m Radius of the pulley is r = 0.2m Applied force is 400N Distance of…

Q: Name SURNAME: Student ID: QUESTION 9 The AE cable carrying the concentrated loads is attached to the…

A: a = 2m b = 8m c = 4m d = 6m Load P = 20 kN We have to find out the followings: Drawing…

Q: Q2- Determine the flow rate, velocity and Froude Number in a trapezoidal channel, where water depth…

Q: Write the full form and define i) CRMB ii) PMB

A: TO Define. CRMB PMB

Q: A hollow box beam has an outside dimension of 400 mm x 600 mm and inside dimension of 300 mm x 500…

A: Given; Outside width (b1) = 400 mm Outside height (h1) = 600 mm Inside width (b2) = 300 mm Inside…

Q: 1.37 What is the specific weight of air at 70 psia and 70 °F?

A: Pressure, p = 70 psia. Temperature, T = 70 oF Gas constant, R=53.3 ft°R.

Q: Q3. To find the moment of inertia of the shaded area we need the distance from cente each of part of…

Q: 7.6 A dozer with as S-blade has pushed a normal load onto a level area. The height of this load…

Q: For the pipe network given in the figure, the pipe flow rates in the intermediate lines, the given…

Q: 10. A rod is being designed for a speed of 110 km /hr on a horizontal curve with a super elevation…

A: Speed, V = 110 km/hr. Elevation = 8% Co-efficient of side friction = 0.10 What is the minimum…

Q: Radius of the pin at C is 3mm. While at static equilibrium, we know that a force P of magnitude 500…

A: p=500 n r= 3mm

Q: The co-efficient of friction in the longitudinal direction of a highway is estimated as 0.396. The…

A: Coefficient of friction (f) = 0.396 Speed (V) = 65 Km/hr Determine the breaking distance (L) for a…

Q: The data given below pertain to the design of a flexible pavement. Initial trafic = 1213 cvpd…

Q: Q2: Plot the intensity of the shear stress distributed over the cross section of the strut if it is…

A: Shear force (V) = 600 KN Determine the shear stress distribution over the section.

Q: Q1: A field sample of an aquifer is packed in a test cylinder. The cylinder has a length of 120 cm…

Q: Determine the web's shear stress at A. Express your answer to three significant figures and include…

Q: A 25N force is applied at the end of a 60cm wrench. If the force names a 30° angle with the wrench,…

A: P = 25 N θ = 30o

Q: nozzle is so shaped that the average flow velocity changes linearly from 1.5 m/s at the eginning to…

A: Given velocity- V1=1.5 m/s V2 =15 m/s Distance dx=0.375 m

Q: Draw the moment diagram for the beam. Click on "add discontinuity" to add discontinuity lines. Then…

A: Given : Required : Shear and moment diagram

Q: Q-4) An extruded aluminum beam has the cross section shown. Knowing that the vertical shear in the…

A: - Moment of area is given by QA ; QA = A1 × y1 Where ; A1 = Width × thickness Width = 4 - 2 (0.5) =…

Q: B 3 ft 800 lb/ft IA C + -4 ft → 3 ft 8 ft ID

Q: Which of the following statements is false regarding the Headworks design? O Low approach velocity…

A: Given following statement regarding the Headworks design and asked to determine the false statement.…

Q: Two straight lines intersect at an angle of 60°. The radius of a curve joining the two straight…

A: Angle of intersection θ=60o Radius of curve R=600 m, It is needed to find the length of long chord…

Q: -21 GV The following travel times were measured as below and SMS for this data (tabulate your…

A: The above data is provided. We have to find out Time Mean Speed (TMS) Space Mean Speed (SMS) Now…

Q: 11. A 30 m metric chain is found to be 10 cm too short throughout a measurement. If the distance…

A: True length of chain TL=30 m, Chain is 10 cm too short, Measured distance MD=300 m, It is needed…

Q: Consider the following figure, which is an extract from a contour map (scale = 1: 20,000) of an…

A: Scale of the map 1 : 20,000 Ruling gradient = 4% Contour interval=20 m, It is needed to find the…

Q: Figure Part A P= A Value 26₁ +26+21= ft If the beam is made from wood having an allowable shear…

A: We have to find the maximum value of P

Q: 1Q. A flow field is defined by V = {8y i +6xj} m/s, where x and y are in meters. Determine the…

A: we have to determine the equation of the stream line

Q: 3. Draw the influence lines for the reactions at supports and the shear and bending moment at point…

A: Find: (a) ILD for support reactions (b) Shear and bending at B

Q: A vertical cylindrical steel storage tank has 30 m diameter and the same is filled up to a depth of…

Q: The flexible band F is attached at E to the rotating sector and leads over the guide pulley.…

A: Band Velocity, Vf = 4m/s Distance of OE rOE =200 mm=0.2 m Distance of OA rOA =125 mm=0.125 m…

Question

Shear Strentgh of the soil

Q8- The drained shear strength parameters of a N.C.C are (C' = 0 and Ø' = 30°). The
unconfined compression strength of a similar sample was found to
be (150 kN/m²). Find the pore water pressure at failure for the unconfined
compression test sample.

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1: Given data:

VIEW

Step 2: Calculate the pore water pressure:

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Stresses in saturated soil without seepage

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Solve it quick? Triaxial test (CU) is performed on a clay for a confining pressure of 110 kPa. If the deviator stress and pore-water pressure were 70 kpa and 55 kpa respectively then determine the internal friction angle.
Refer to Problem 6.1. Using Eqs. (6.3) and (6.29), estimate the average stress increase (Δσav) below the center of the loaded area between depths of 3 m and 6 m. 6.1 A flexible circular area is subjected to a uniformly distributed load of 150kN/m2 (Figure 6.2). The diameter of the load area is 2 m. Determine the stress increase in a soil mass at points located 3 m below the loaded area at r = 0. 0.4 m, 0.8 m, and 1 m. Use Boussinesq’s solution. Figure 6.2 Increase in pressure under a uniformly loaded flexible circular area
Plz give the correct answer. Compute the intensities of active and passive earth pressure at depth of 8 m in dry cohesionless sand with an angle of internal friction of 30 degrees , and unit weight of 18kN / (m ^ 3) What will be the intensities of active and passive pressure if the water level rises to the level? Take the saturated unit weight of sand as 22kN / (m ^ 3) .
5. A thick layer of stiff saturated clay is underlain by a layer of sand under artesian pressure. A deep cut is made in the clay layer as shown in the attached figure. Determine: [2] a. The total stress at point A. b. The factor of safety against heaving at point A, if the effective stress is 12% of the total stress.
Soil Mechanics An embankment consists of clay fill for which c′ = 25 kN/m2 and φ = 27° (from consolidated undrained tests with pore-pressure measurement). The average bulk unit-weight of the fill is 2 Mg/m3. Estimate the shear-strength in kPa of the material on a horizontal plane at a point 20 m below the surface of the embankment, if the pore pressure at this point is 180 kN/m2 as shown by a piezometer. a. 133 b. 100 c. 166 d. 200
What is the intensity of active earth pressure at a depth of 10.0 m in dry sand with an angle of shearing resistance of 30 degrees and unit weight of 18kN /m ^ 3 ?
Plot the variation of total stress, pore water pressure, and effective stress with depth for thesand and clay layers shown in Figure 3, assuming H1 = 6m and H2 = 4m.
A soil profile, under surcharge load of 25 kN/m2 at ground level, consists of 6m sand and 3m clay layer. Ground water table is 2m below sand layer. Dry unit weight and saturated unit weight of sand is 15.80kN/m3 and 16.90kN/m3 respectively. Clay layer, Gs=2.67 and saturated unit weight is 18.80 kN/m3. Determine a)Increase in stress at the mid layer of clay b) With dewatering 2m, what is the stress increase at the mid layer of clay c) How much must the water level be lowered to me more effective than the surcharged load?
In a drained triaxial compression test, a saturated specimen of cohesionless sand fails at a deviator stress of 450 kN/m2 when the cell pressure was 135 kN/m2. Find the effective angle of shearing resistance of sand. show Free body Diagram. a.48 deg 15 min b.26 deg 30 min c.38 deg 30 min d.64 deg 15 min
A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression test apparatus and the sample failed at a deviator stress of 482 kN/m2 and the plane of failure made an angle of 60° with the horizontal. Find the magnitude of the principal minor stress in kPa at failure for identical specimen of sand if it is tested under a cell pressure of 200 kPa. a.600 b.241 c.723 d.200
For the profile shown, draw the diagrams of: a) Total effort. Pore pressure and Effective effort b) If the water level rises to the surface, how much is the variation to the effective stresses in the clay base.
A soil fails under an axial vertical stress of 100kN / (m ^ 2) in unconfined compression test. The failure plane makes an angle of 50 degrees with the horizontal. The shear parameters 'c' and angle of internal friction'' respectively will be