Dario PEDUTO | EXCAVATIONS AND RETAINING STRUCTURES
Dario PEDUTO EXCAVATIONS AND RETAINING STRUCTURES
cod. 0622500036
EXCAVATIONS AND RETAINING STRUCTURES
| 0622500036 | |
| DEPARTMENT OF CIVIL ENGINEERING | |
| EQF7 | |
| ENVIRONMENTAL AND TERRITORIAL ENGINEERING | |
| 2020/2021 |
| YEAR OF COURSE 2 | |
| YEAR OF DIDACTIC SYSTEM 2017 | |
| PRIMO SEMESTRE |
| SSD | CFU | HOURS | ACTIVITY | |
|---|---|---|---|---|
| ICAR/07 | 6 | 60 | LESSONS |
| Objectives | |
|---|---|
| EXPECTED LEARNING RESULTS AND COMPETENCE TO BE ACQUIRED: LEARNING OBJECTIVES THE COURSE PROPOSES TO PROVIDE THE STUDENTS WITH THE MAIN THEORETICAL AND APPLICATION FUNDAMENTALS FOR THE UNDERSTANDING OF THE BEHAVIOR OF RETAINING STRUCTURES IN SUPPORT OF EXCAVATIONS WORKS AND OF THEIR ENGINEERING MODELING IN RELATION TO THE MOST VARIOUS STRENGTH CONDITIONS. KNOWLEDGE AND UNDERSTANDING CAPACITIES. KNOWLEDGE OF THEORIES FOR THE ANALYSIS OF SOIL PRESSURE IN SHORT- AND LONG-TERM STATIC AND DYNAMIC CONDITIONS, OF THE PROJECT METHODOLOGIES IN THE LIGHT OF THE VIGENT LEGISLATION AND OF THE TRADITIONAL AND INNOVATIVE TECHNICAL SOLUTIONS. APPLIED KNOWLEDGE AND UNDERSTANDING. UPON PASSING THE FINAL EXAM, THE STUDENT SHALL BE ABLE TO ANALYZE THE STRESS STATE OF SOILS THAT THE STRUCTURE MUST SUPPORT, TO CHOOSE AND DESIGN THE MOST SUITABLE TYPE OF WORK AND TO FORESEE ITS INTERACTION WITH THE ENVIRONMENT. JUDGMENT AUTONOMY. TO KNOW CRITICALLY HOW TO EXAMINE THE RESULTS OF GEOTECHNICAL ANALYSIS, BY CHECKING THE CORRECTNESS OF THE PROJECT CHOICES PERFORMED. COMMUNICATION SKILLS. KNOW HOW TO WORK IN GROUP AND EXPOSE ORALLY GEOTECHNICAL PROBLEMS RELATED TO THE ANALYSIS OF SOIL PRESSURES, TO THE BEHAVIOR OF SUPPORTING WORKS, TO THE EVALUATION OF THE BENEFITS DERIVING FROM THE USE OF INNOVATIVE TECHNOLOGICAL SOLUTIONS. |
| Prerequisites | |
|---|---|
| PREREQUISITES: PROPEDEUTICAL KNOWLEDGE TO THE COURSE IS: STRESS-STRAIN CONDITION OF THE SINGLE-PHASE MEANS; FIELD EQUATIONS FOR THE SIMULATION OF THE MECHANICAL BEHAVIOR OF THE LOOSE ROCKS; SOIL GEOTECHNICAL CHARACTERIZATION. PROPEDEUTICITY: NONE. |
| Contents | |
|---|---|
| EARTH PRESSURES (TOTAL HOURS: 8, OF WHICH 5 OF LESSON AND 3 OF EXERCISE) LIMIT EQUILIBRIUM STATES OF A HALF-SPACE OF INCOHERENT SOILS WITH OR WITHOUT WATER; COHESIVE SOILS; EFFECT OF APPARENT COHESION; LIMIT EQUILIBRIUM CONDITIONS OF AN EMBANKMENT BEHIND A STIFF AND ROUGH WALL OF FINITE HEIGHT; CURVATURE OF THE SURFACE OF RUPTURE; CALCULATION OF THE LIMIT EQUILIBRIUM PROCESSES DRIVEN BY FLAT AND NON-FLAT GLOBAL FAILURE SURFACES; EFFECTS OF HORIZONTAL DISPLACEMENTS ON THE FORCES GENERATED BY AN EMBANKMENT. RETAINING WALLS (TOTAL HOURS: 20, OF WHICH 12 OF LESSON AND 8 OF EXERCISE) LAWS AND REGULATIONS; PHASES OF THE PROJECT, CALCULATION OF EARTH/WATER PRESSURES, IRREGULAR SURFACES OF THE EMBANKMENT, THRUST DUE TO OVERLOAD; INFLUENCE OF PORE PRESSURES, MEASURES FOR THE CONTROL OF THE WATER SYSTEM; THRUST INDUCED BY COHESIVE SOILS; CANTILEVER WALLS AND BUTTRESSES; SEMI-EMPIRICAL METHODS FOR THE CALCULATION OF THE THRUSTS; STABILITY OF RETAINING WALLS; DYNAMIC LOADS ON SUPPORTING WALLS. SHEET WALLS (TOTAL HOURS: 11, OF WHICH 9 OF LESSONS AND 2 OF EXERCISE) LAWS AND REGULATIONS; TYPE; METAL SHEET PILING, REINFORCED CONCRETE SHEET WALLS BOTH PREFABRICATED AND CAST IN SITU; STABILITY OF TRENCHES DUG IN MUD. DESIGN CRITERIA AND CALCULATION OF THE THRUSTS ACTING ON A CANTILEVER SHEET WALL: IN LOOSE SOILS, IN THE ABSENCE AND PRESENCE OF WATER; IN CLAY SOILS. ANCHORED SHEET WALLS: CALCULATION PROCEDURES AND COMPARISONS; MULTIPLE ANCHORED SHEET WALLS. ANCHORS (TOTAL HOURS: 6, OF WHICH 3 OF LESSONS AND 3 OF EXERCISE) LAWS AND REGULATIONS; PLATES AND BEAMS AS ANCHOR; INJECTED BULB ANCHORS; ANCHOR DESIGN, GLOBAL STABILITY. REINFORCED EXCAVATIONS (TOTAL HOURS: 6, OF WHICH 4 OF LESSON AND 2 OF EXERCISE) LAWS AND REGULATIONS; INSTABILITY OF THE BOTTOM OF THE EXCAVATION, DISPLACEMENTS ASSOCIATED WITH EXCAVATION OPERATIONS. REINFORCED SOILS (TOTAL HOURS: 5, OF WHICH 2 OF LESSON AND 3 OF EXERCISE) REINFORCED SOIL WALLS. ELEMENTS OF DESIGN AND CHECK OF INTERNAL AND EXTERNAL STABILITY. TUNNELLING(TOTAL HOURS: 4, OF WHICH 2 OF LESSON AND 2 OF EXERCISE) EXCAVATION TECHNIQUES AND PHASES. TYPES OF SUPPORT OF THE EXCAVATION FRONT. |
| Teaching Methods | |
|---|---|
| THE COURSE COVERS LECTURES (3CFU) AND CLASSROOM EXERCISES (2CFU). HOMEWORKING IN GROUP, TECHNICAL VISITS TO SITES OF INTEREST AND "MEET THE EXPERT" DAYS (1 CFU) ARE ALSO SCHEDULED. FREQUENCY IS NOT COMPULSORY. |
| Verification of learning | |
|---|---|
| THE EVALUATION OF REACHING THE PREFIXED OBJECTIVES WILL CONSIST OF TESTS AT THE END OF THE COURSE: - AN ORAL EXAMINATION (DURATION: ABOUT 30 MINUTES)ARTICULATED IN THREE QUESTIONS TO CHECK THE LEVEL OF KNOWLEDGE OF THE ARGUMENTS DEALT WITH AT LESSON AND DURING EXERCISES. - DISCUSSION (DURATION: ABOUT 10 MINUTES)AT THE END OF THE COURSE OF A CASE STUDY PROJECT DEEPENED BY THE STUDENT IN THE FIELD OF RETAINING STRUCTURES WITHIN A GROUP WORK. THE RESULT OF THE FINAL EVALUATION OF THE STUDENT WILL BE BASED ON A COMPREHENSIVE JUDGMENT THAT TAKES INTO ACCOUNT BOTH THE ORAL (70%) AND GROUP WORK (30%). FOR THE PURPOSES OF THE LAUDE ACKNOWLEDGEMENT IT WILL BE TAKEN INTO ACCOUNT: - THE QUALITY OF EXPOSITION, IN TERMS OF USE OF APPROPRIATE SCIENTIFIC LANGUAGE; - THE ABILITY OF TRANSVERSAL LINKING BETWEEN THE DIFFERENT ARGUMENTS OF THE COURSE AND, WHERE POSSIBLE, WITH OTHER DISCIPLINES; - OF THE AUTONOMY OF JUDGMENT PROVEN. |
| Texts | |
|---|---|
| C. TAMAGNINI, D. SALCIARINI, “IL DIMENSIONAMENTO E LE VERIFICHE AGLI STATI LIMITE DELLE STRUTTURE DI SOSTEGNO”, HEVELIUS EDIZIONI, 2013 A. EVANGELISTA, “APPUNTI DI OPERE DI SOSTEGNO” ISTITUTO DI GEOTECNICA, UNIVERSITÀ FEDERICO II DI NAPOLI C.R.I.CLAYTON , J. MILITITSKY, R.I. WOODS, “EARTH PRESSURE AND EARTH-RETAINING STRUCTURES” HEVELIUS EDIZIONI, 2006 NOTES TO THE LESSONS PROVIDED BY THE PROFESSOR. |
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