Unit GEOTECHNICS

Course
Civil and environmental engineering
Study-unit Code
70721410
Curriculum
In all curricula
Teacher
Vincenzo Pane
Teachers
  • Vincenzo Pane
Hours
  • 80 ore - Vincenzo Pane
CFU
10
Course Regulation
Coorte 2020
Offered
2022/23
Learning activities
Caratterizzante
Area
Ingegneria della sicurezza e protezione civile, ambientale e del territorio
Academic discipline
ICAR/07
Type of study-unit
Obbligatorio (Required)
Type of learning activities
Attività formativa monodisciplinare
Language of instruction
Italian
Contents
Soil classification. General stress and strain states. In situ stresses. Permeability, seepage and quick condition. Stresses from elasticity theory. Drained and undrained conditions. Compressibility of cohesive and cohesionless soils. Settlement calculations and consolidation theory. Shear strength of soils. Bearing capacity of spread and deep foundations. Earth pressure and safety calculations of retaining walls and sheet-piles.
Reference texts
1) Burghignoli A., Lezioni di meccanica delle terre. ESA, Roma 1985.
2) Lancellotta R., Geotecnica, Zanichelli, Bologna 1993.
3) Viggiani, C., Fondazioni, Hevelius, Benevento, 1999.
4) Lecture notes distributed by the professor.
Educational objectives
Comprehension of basic concept and principles of soil mechanics. Knowledge of main methods used in professional practice for design of spread foundations, piled foundations and retaining structures.
Prerequisites
It is necessary to pass the exam of Scienza delle costruzioni (Mechanics of materrials). Some basic knowledge of Hydraulics are also necessary, such as : hydraulic head, Bernoulli's law, laminar flow.
Teaching methods
Lessons (by using blackboard and overhead projector).
Other information
1) About 20 hours of tutorship in class.
2) Guided visit to the Geotechnical laboratory.
Learning verification modality
One written exam (about three hours) followed by an oral exam.
Extended program
Basic characteristics of soils. Soil classification. Phase problems. General stress and strain states, and relevant invariant. Mohr circles. Stress paths. In situ stresses and Ko. Permeability, seepage and flow nwts. Piping and quick condition. Drained and undrained conditions. Skempton parameters (A, B). Stresses form elasticity theory. Laboratory tests and devices. Oedometer test. Compressibility of cohesive and cohesionless soils. Settlement calculation by 1-D method. Consolidation theory and settlements. Triaxial cell and direct shear box. Shear strength of normally consolidated and overconsolidated clays. Critical state concept. Mohr-Coulomb failure criterion. Undrained shear strength. Shear strength od sands. Taylor's diltancy model. Spread foundations: types, technology, bearing capacity. Piled foundations: types, technology, bearing capacity. Lateral earth pressure and retaining structures. Retaining walls, cantilever sheet-piles, anchored sheet-piles: types, technology, stability calculations.
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