CE 530 - Advanced Soil Mechanics & Slope Stability
Catalog Description
Shear strength and stress-strain behavior of sands and clays. Lab measurement of drained and undrained soil behavior. Limiting equilibrium methods for evaluating stability of soil slopes. Lab measurement of hydraulic conductivity of fine grained soils: clay barriers and caps. Geotechnical considerations in landfill design.3 credit hours (lecture)
Prerequisites
- ce330
Schedule
| Fall, 2009 | : | DP |
Textbooks and Resources
Soil Mechanics by Lambe, T.W. and Whitman, R.V., John Wiley and Sons, 1969.Course Objective
The objective of this course is to develop an understanding of the behavior of soils, especially fine-grained soils, and the importance of loading rate or drainage conditions. This knowledge is applied to the evaluation of the stability of slopes by the limit equilibrium method, making use of both hand calculations and computer solutions. The stability of soil nailed walls and the hydraulic conductivity of low permeability barriers are also investigated.Topics
| LECT |
TOPIC |
ASSIGNMENT |
| 1 | review Syllabus, course outline
LABORATORY: Review, Sample Preparation, Drained Testing (CD test) of Ottawa sand |
Prepare for Triaxial Testing
Read L & W Chpt 8, pp. 97-107, examples 8.4 to 8.7. HW Chpt. 8 Probs. 8.1, 8.2, 8.7, 8.9 |
| 2 | LABORATORY: CD Testing of Ottawa sand | |
| 3 | LABORATORY: Undrained (CU) testing of fine grained soil, pore pressure measurement | Read Parts 1,2,& 4 (Bishop and Bjerrum 1960) (Note: this is a "classic" paper, very comprehensive, and requires some effort on your part. We will discuss later) |
| 4 | LABORATORY: Undrained (CU) testing of fine grained soil, pore pressure measurement | |
| 5 | Review of Mohr Circle, Stress Paths,
Stresses within Soil Mass Tests to Measure Stress-Strain Properties |
Read L & W Chpt 8, pp. 107-115.
HW Stresses in Soil Mass: (Handout). Read Chpt. 9, pp. 116-121. |
| 6 | General Aspects of Stress-Strain Behavior | Read Chpt. 10. pp. 122-136.
HW Ch8/9/10: Probs. 8.8, 9.1,9.2, 10.1-10.3. |
| 7 | Shear Strength of Cohesionless Soils
Stress-Strain Relationships, Effective Stress Concept |
Read Chpt. 11 pp. 137-146.
HW Ch11: Probs. 11.1-11.5. Read Chpt. 12, pp. 151-161, Chpt. 16, pp. 241-250. HW Ch12/16: Probs. 12.1, 12.3, 16.1,16.3. |
| 8 | Drained Stress-Strain Behavior
Drained Shear Strength |
Read Chpt. 20, pp. 295-303.
HW Ch20: Probs. 20.1, 20.2. |
| 9 | Drained Shear Strength | Read Chpt. 21 pp. 304-317.
HW Ch21: Probs. 21.1, 21.2, 21.4. |
| 10 | Pore Pressure in Undrained Loading, Pore Pressure Parameters | Read Chpt. 26 pp. 391-405.
HW Ch26: Probs. 26.1-26.5 p. 405 (Problem 26.1: Assume Bulk modulus water = Kwater = 300,000 psi, Problem 26.4; Assume K0 = 0.5). |
| 11 | Drained & Undrained Stress-Strain Behavior | Read Chpt. 28, pp. 423-438.
HW Ch28: Probs. 28.2-28.4 p. 438. |
| 12 | EXAM 1 | |
| 13 | Introduction to Slopes,
Block on Inclined Plane, Infinite Slope |
Read Chpt. 13, Sect. 13.9 pp. 191-193; Chpt. 24, Sect. 24.1-24.3, pp. 352-357.
HW Ch13/24: Probs. 13.1, 13.14, 24.2. |
| 14 | Non Circular Failure Surfaces:
Plane, Wedge |
Read Chpt. 24, Sect. 24.6-24.10, pp. 366-373. Read NAVFAC Wedge Failure Handout.
HW Wedge: Handout. |
| 15 | Review of 2-D Fluid Flow, Plane Failure Surface,
Stability of Slopes in Purely Cohesive Soil |
Read Chpt. 18, Sect. 18.2, pp. 268-273. Read Perloff and Barron Handout, pp. 528-548. Work through Examples 18.3 and 18.4 pp. 273-273, Text. |
| 16 | Friction Circle Method | Read Perloff & Barron Handout, Sect. 12.7 pp. 548-555. Read Chpt. 24, Sect. 24.4 pp. 357-358, Example 24.3 pp. 359-362.
HW Homogenous Slope: Homework Handout Prob. #1 (Wait & turn in all Homo slope problems together). |
| 17 | Taylor Charts,
Janbu Charts, Selection of Strength Parameters |
Read NAVFAC handout, Janbu Method, Taylor Method Handout.
HW Homogenous Slope: Homework Handout, Prob. #2 and #3. |
| 18 | STABL4 | Read STABL4 handout. |
| 19 | STABL4 | HW Homogeneous Slope: Homework Handout, Prob. #4 and #5. |
| 20 | Method of Slices,
Simplified Bishops Method of Slices |
Read Chpt. 24, Sect. 24.5, pp. 358-366.
HW Homogeneous Slope: Homework Handout, Problem #6 and #7. |
| 21 | Simplified Bishops Method of Slices,
Bishop & Morganstern Method |
HW Handout. |
| 22 | EXAM II | STABL tieback |
| 23 | Soil Nailing, Introduction | |
| 24 | FHWA Method | FHWA handout |
| 25 | SNAIL Computer Program | Handout |
| 26 | ||
| 27 | German Method | MathCAD handout |
| 28 |
Professional Component
Relationship to Program Objectives
Last update: Thu May 18, 2006 11:23 am by wschlete