● It is stated that the clay layer shown in the figure is OVER CONSOLIDATED clay. The pre-consolidation pressure op' = 110 kN. Calculate the consolidation settlement that will occur in the clay layer due to the load of 2500 kN. 27 Sand 15/1 2 Sand 5 Clay Rock 8=2500 kN BxL=1.5mx18m Ys 8₁ = 18₁1 kN/m²³ =19.6 kN/m3 Ys=20.8 kN/m² lo = 0,62 Cc = 0.107 Cs = 0.009 .-6WL

● It is stated that the clay layer shown in the figure is OVER CONSOLIDATED clay. The pre-consolidation pressure op' = 110 kN. Calculate the consolidation settlement that will occur in the clay layer due to the load of 2500 kN. 27 Sand 15/1 2 Sand 5 Clay Rock 8=2500 kN BxL=1.5mx18m Ys 8₁ = 18₁1 kN/m²³ =19.6 kN/m3 Ys=20.8 kN/m² lo = 0,62 Cc = 0.107 Cs = 0.009 .-6WL

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Q: For the soil profile shown in figure. Determine: The effective stress (o') at level (A). Soil 1 k = 0.2 cm/sec Y sat = 19 kN/m³ Soil 2 k = 0.4 cm/sec Y sat = 21 kN/m³ Datum D EL + 2.0 m EL 0.0 m EL - 1.0 m EL - 4.0 m EL - 10.0 m
Given the soil profile below, estimate the consolidation coefficient of the clay if Ao_z = 500 psf at the middle of the clay. Use one layer for the clay in your calculation. он 10 ft 20 ft וד Incompressible Sand' V Clay sat = 120 pct CR = 0.3 TIT RR = 0.15 Pp = 1776 pst 8 Sat 120 pct
7.12 A sand specimen was subjected to a drained shear test using hollow cylin- der test equipment. Failure was caused by increasing the inside pressure while keeping the outside pressure constant. At failure, o, = 193 kN/m² and o; = 264 kN/m². The inside and outside radii of the specimen were 40 and 60 mm, respectively. (a) Calculate the soil friction angle. (b) Calculate the axial stress on the specimen at failure.
8. Estimate the settlement of the center of the tank, shown in the sketch, due to consolidation of the 20-ft layer of clay. 80'diam. -Oil tank; 500 lb/sq ft 30' fine sand; 125 lb/cu ft 20'clay; qu = 1.3 tons/sq ft W = 54 % Wp = 26% W = 44% Isat = /15 lb /cu ft %3D Rock %3D %3D
It is known that a particular deposit of clay has the following shear strength parameters: c' = 15 kPa, o' = 23°; Cu = 10 kPa, cu = 13° A sample of this clay is consolidated in a triaxial cell to an all-round pressure (03) of 250 kPa. The sample is then sheared by increasing 0₁, keeping 3 constant and the drainage valve closed. What is: i) ₁ at failure? ii) Pore water pressure inside the sample at failure? iii) Final values of 0₁' and 03'? iv) Value at failure of Skempton's pore pressure coefficient A?
7.14 For a normally consolidated clay, the following values are given: Void ratio, e k (cm/sec) 0.95 0.2 x 10-6 0.91 x 10-6 1.6 Estimate k at a void ratio of 1.1. Use Eq. (7.38). Ⓒ Cengage Learning 2014
1.A dry sand is known to have an angle of internal friction of 29. A triaxial test is planned, where the confining pressure will be 41 kPa. What is the maximum axial stress, in kPa, (major principal stress) that can be applied? Calculate the value to 1 decimal place. Do not provide units in your answer. 2.A clay soil is subjected to a triaxial test under unconsolidated-undrained conditions. At failure, the major and minor principal stresses are 8401 psf and 4875 psf, respectively. What is the shear strength of this soil if the confining pressure is doubled? Provide your answer in psf with no decimals.
Refer to Figure below. Estimate the primary consolidation settlement in the clay layer. Given: Δσ = 150 kN/m2; H1 = 3 m; H2 = 4 m; and H3= 5 m. Soil characteristics are as follows: • Sand: γdry = 15 kN/m3, γsat = 19 kN/m3 • Clay: LL = 65; e = 0.65; γsat = 18 kN/m3; ; Cs =1/6cc σʹc = 200 kN/m2
In a drained triaxial test on consolidated clay the stress and angle are as follows: Deviator stress is 20 lb/in2 and friction angle is 21°. Calculate the effective confining pressure at failure.? a) 21 lb/in2 b) 22.2 lb/in2 c) 25.4 lb/in 2 d) 17.9 lb/in2
A specimen of normally consolidated clay was consolidated under a chamber confining pressure of 280kpa for a drained test by how much does the axial stress have to be reduced to cause failure by axial extension?
The thickness of a saturated specimen of clay under a consolidation pressure of 100 kN/m2 of is 24 mm and its water content is 20%. On increase of the consolidation pressure to 200 kN/m2, the specimen thickness decreases by 3 mm. Determine the compression index for the soil if the specific gravity of the soil grains is 2.70. a.0.92 b.0.56 c.0.63 d.0.52