a. The following are the results of a consolidation test. Pressure o' (kN/m²) e 1.21 1.195 1.15 1.06 0.98 0.925 25 50 100 200 400 500 1. Plot the e-log o' curve. (use a French curve to construct) 2. Using Casagrande's graphical method, determine the preconsolidation pressure. 3. Calculate the compression index, Cc, from the laboratory e-log o' curve.

a. The following are the results of a consolidation test. Pressure o' (kN/m²) e 1.21 1.195 1.15 1.06 0.98 0.925 25 50 100 200 400 500 1. Plot the e-log o' curve. (use a French curve to construct) 2. Using Casagrande's graphical method, determine the preconsolidation pressure. 3. Calculate the compression index, Cc, from the laboratory e-log o' curve.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.14P

See similar textbooks

Related questions

Q: Calculate the maximum torque that can be applied. b. If that bar were to be left hollow, with the…

Q: scosity 1.5 Pa-s flows at a velocity of 10 m/s in a 0 cm dia pipe. What will be the boundary shear…

A: Density(p)= 1260kg/m³ absolute viscosity(u) =1.5 pa-s Velocity (V) = 10m/s Diameter (d) = 10cm = 0.1…

Q: Au Au Au Valve closed Au = Valve open Au= P Valve closed Valve open (d) The above figure shows…

A: The change in pore water pressure (Δu) in the spring-cylinder model for consolidation in saturated…

Q: Plot the following data and determine the preconsolidation pressure and the modified compression…

A: % Consolidation (Compression is +)Pressure (kPa)% Consolidation (Compression is +)Pressure…

Q: 8. Plot the consolidation curve for the data given below and determine the preconsolidation stress…

Q: Question A cylindrical soil specimen of saturated clay, 3.50 cm diameter and 8 cm length, is tested…

A: Given data- A cylindrical soil specimen- Diameter D=3.50 cm, Length L=8 cm, Failure load =50 kg,…

Q: Data from an oedometer test for a clay layer are plotted in the graph shown below. Calculate the…

A: An oedometer test was performed on a clay layer, from the data obtained. A semi-log graph between…

Q: Problem 1: Load P = 24 kips compressing the concrete cylinder which length is reduced from 12 inches…

A: Given data : Initial diameter (d)=6 inFinal diameter (do)=6.003 inInitial length (L)=12 in Final…

Q: A square footing supporting a new building applies a uniform pressure of 200 kPa on the ground…

A: Explanation of stress isobar:A stress isobar, also known as a pressure bulb, refers to a specific…

Q: An 8 meter high granite column sustains an axial compressive load of 500kN. If the column shortens…

Q: e gravity wall is made of concrete. If h = 3 m, determine the ation (, ) of the center of mass G for…

A: The Center of mass is defined as the point where the whole mass of the system acts as the point…

Q: Tension specimens (diameter d0 0.500 in., gage length L0 2.00 in.) made of structural materials A…

A: Given, Do = 0.5 in Lo = 2 in

Q: Given the following stresses, find the magnitude and the orientation of the principal stresses from…

A: Data given Find: (a) Magnitude and orientation of principal stress from datum

Q: Based on the following Figure, the floor cavity ratio, FCR is.. 1m section 3 m 0.5'm 16 m 12 m plan…

A: Consider the figure,

Q: 9.3 Terzaghi's consolidation theory assumes (1) specimen is fully saturated, (2) water and solid…

A: As per authoring guidelines, if the question number is not specified, the first question or three…

Q: pected value of 28-day strength when accelerated strength We are given the accelerated strength, x =…

A: This question is related to the Concrete Technology from Civil Engineering.

Q: Compaction is about removing water from the pore space whereas consolidation is about removing air…

A: Compaction- It is the process of removing air from the pore space.

Q: |!;9 ELABORATE Try solving the following problem: Practice Problem: The following are the results of…

Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

a.
The following are the results of a consolidation test.
Pressure
o' (kN/m²)
480..
e
1.21
1.195
1.15
1.06
0.98
0.925
25
50
100
200
400
500
1. Plot the e-log o' curve. (use a French curve to construct)
2. Using Casagrande's graphical method, determine the preconsolidation pressure.
3. Calculate the compression index, Cc, from the laboratory e-log o' curve.

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:

VIEW

Step 2: Solution:

VIEW

Step 3: 2. Using Casagrande's graphical method, determine the preconsolidation pressure.

VIEW

Step 4: 3. Compression index

VIEW

Solution

VIEW

Step by step

Solved in 5 steps with 10 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

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

Use Eq. (6.14) to determine the stress increase () at z = 10 ft below the center of the area described in Problem 6.5. 6.5 Refer to Figure 6.6, which shows a flexible rectangular area. Given: B1 = 4 ft, B2 = 6 ft, L1, = 8 ft, and L2 = 10 ft. If the area is subjected to a uniform load of 3000 lb/ft2, determine the stress increase at a depth of 10 ft located immediately below point O. Figure 6.6 Stress below any point of a loaded flexible rectangular area
A sand has Gs = 2.66. Calculate the hydraulic gradient that will cause boiling for e = 0.35, 0.45, 0.55, 0.7, and 0.8.
For the drilled shaft described in Problem 19.7, estimate the total elastic settlement at working load. Use Eqs. (18.45), (18.47), and (18.48). Assume that Ep = 20 106 kN/m2, s = 0.3, Es = 12 103 kN/m2, = 0.65 and Cp = 0.03. Assume 80% mobilization of skin resistance at working load. (See Part c of Problem 19.7) 19.7 Figure 19.16 shows a drilled shaft without a bell. Here, L1 = 6 m, L2 = 7 m, Ds = 1.5 m, cu(1) = 50 kN/m2, and cu(2) = 75 kN/m2. Find these values: a. The net ultimate point bearing capacity. Use Eqs. (19.23) and (19.24) b. The ultimate skin resistance. Use Eqs. (19.26) and (19.28) c. The working load, Qw (FS = 3) FIG. 19.16
Refer to Figure 10.46. A flexible circular area of radius 6 m is uniformly loaded. Given: q = 565 kN/m2. Using Newmarks chart, determine the increase in vertical stress, z, at point A. Figure 10.46
Refer to the flexible loaded rectangular area shown in Figure 10.47. Using Eq. (10.36), determine the vertical stress increase below the center of the loaded area at depths z = 3, 6, 9, 12, and 15 m. Figure 10.47
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