PORTALE DELLA DIDATTICA

### Structural mechanics/Applied geomechanics

01RWGNW

A.A. 2020/21

Course Language

Inglese

Course degree

Course structure
Teaching Hours
Lezioni 40
Esercitazioni in aula 20
Teachers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Teaching assistant
Context
SSD CFU Activities Area context
2020/21
The course is subdivided into two main parts. The first part (SM) is related to the continuum mechanics, the theory of elasticity and to the calculus of civil and oil structures made of different materials (i.e. concrete and metal). The subject is addressed according to the most modern formulations, suitable for numerical implementation. The second part (AG) deals with rock mechanics fundamentals and the rock engineering application. The subject is based on the characterisation of rock materials and masses, on the solution of some typical conditions for surface-underground excavations, on the monitoring of natural - artificial structures as a part of the design methodology in geomechanics.
The Applied Geomechanics part (AG - 6 credits) of the integrated course deals with rock mechanics fundamentals and the rock engineering application. The subject is based on the characterisation of rock materials and masses, on the solution of some typical conditions for surface-underground excavations, on the monitoring of natural - artificial structures as a part of the design methodology in geomechanics.
Ability to evaluate qualitatively and quantitatively the mechanical behaviour of man made (engineering works) and natural (rock masses) structures with reference to the main geomechanical properties of a rock material and of a rock mass as well.
The student should demonstrate his ability to evaluate qualitatively and quantitatively the mechanical behaviour of man made (engineering works) and natural (rock masses) structures with reference to the main geomechanical properties of a rock material and of a rock mass as well.
Basic knowledge of physics and mechanics, applied geology.
Basic knowledge of Physics, Mechanics, Applied Geology.
A. Calculus of one-dimensional structures I. Statically determinate structures II. Statically indeterminate structures B. Continuum mechanics I. Definition and analysis of strains and stresses II. Theory of elasticity III. Theory of elastic beams IV. Collapse of structures C. Applied Geomechanics I. Fundamentals of elasticity in rock mechanics; stress and strain II. Rock materials and rock masses III. Geotechnical characterization in lab and in field IV. Strength criteria and behavior of rock materials V. Geotechnical characterization of natural formations and behavior of rock masses VI. Design methods in rock engineering VII. Analyses of some geotechnical problems, surface and mining problems VIII. Monitoring issues for rock engineering
Applied Geomechanics I. Fundamentals of elasticity in rock mechanics; stress and strain II. Rock materials and rock masses III. Geotechnical characterization in lab and in field IV. Strength criteria and behavior of rock materials V. Geotechnical characterization of natural formations and behavior of rock masses VI. Design methods in rock engineering VII. Analyses of some geotechnical problems, surface and mining problems, collapses VIII. Monitoring issues for rock engineering
The course is based on lessons and worked examples during classworks. Some lab experience will be carried out in order to get some ability in practical testing operations.
The course is based on lessons and worked examples during classworks. Some lab experience will be carried out in order to get some ability in practical testing operations.
(SM) Carpinteri A., Structural Mechanics: a unified approach, Taylor & Francis, 1997 Notes and materials distributed in the classroom (AG) The presentations of the lessons are loaded on the website. Class notes are fundamental for the student. Reference textbooks are presented and available for details.
(AG) The presentations of the various lessons are loaded on the website and they follow the program; they can be downloaded for free. Class notes taken directly during lessons are fundamental for the student. Detailed reference textbooks, among the others, that cover the program are the following (they are available in the DIATI library): Hoek E. Practical Rock Engineering, Rocscience; Brady B.H.G. Brown E.T. Rock Mechanics for Underground Mining. Links to scientific boards websites are uploaded on the Portale della Didattica for continuous and updated knowledge .
Modalità di esame: Prova orale obbligatoria; Prova scritta su carta con videosorveglianza dei docenti;
The exam follows modes a) and b) as indicated by Politecnico for online exams. The exam is oral, with about 3 questions regarding all the program of the course. In addition there will be a written exercise, live, regarding the stress- strain analysis of rock materials, the limite equilibrium method and the geostructural projections. Timing about 30-40 min. Each part is contributing to the final score in the same way (final vote from 18/30 to 30/30 +L). Self verifications carried out during the course will help the students to understand the questions.
Exam: Compulsory oral exam; Paper-based written test with video surveillance of the teaching staff;
The online exam is oral, as indicated by Politecnico for this option of exams. Objective of the exam: this exam is intended to evaluate the ability of the student to solve analytic exercises in geomechanics, and to evaluate the knowledge in theoretical background. The reference by the student to practical examples is also appreciated, considering that this is an engineering course! No didactical material can be used during this exam. At the beginning of the exam there will be a written exercise, to be solved live, regarding the stress- strain analysis of rock materials, the limite equilibrium method and the geostructural projections. Then the oral questions (2-3) regarding all the program of the course: for example a question on failure criteria, on rock mass classification, on the redistribution of stresses around an underground opening, monitoring issues, excavation for mining purposes. Timing about 30-40 min. Each part is contributing to the final score in the same way and proportion. Final mark range is from 18/30, which is obviously the minimum to pass the exam, to 30/30 +L. Self verifications proposed and carried out during the course session will help the students to understand the questions and appreciated.
Modalità di esame: Prova scritta (in aula); Prova orale obbligatoria; Prova scritta su carta con videosorveglianza dei docenti;
The exam follows modes a) and b) as indicated by Politecnico for online exams. The exam is oral, with about 3 questions regarding all the program of the course. In addition there will be a written exercise, live, regarding the stress- strain analysis of rock materials, the limite equilibrium method and the geostructural projections. Timing about 30-40 min. Each part is contributing to the final score in the same way (final vote from 18/30 to 30/30 +L). Self verifications carried out during the course will help the students to understand the questions.
Exam: Written test; Compulsory oral exam; Paper-based written test with video surveillance of the teaching staff;
The exam is oral, also in blended option, as indicated by Politecnico for online/onsite exams. Objective of the exam: this exam is intended to evaluate the ability of the student to solve analytic exercises in geomechanics, and to evaluate the knowledge in theoretical background. The reference by the student to practical examples is also appreciated, considering that this is an engineering course! No didactical material can be used during th exam. At the beginning of the exam there will be a written exercise, to be solved live, regarding the stress- strain analysis of rock materials, the limite equilibrium method and the geostructural projections. Then the oral questions (2-3) regarding all the program of the course: for example a question on failure criteria, on rock mass classification, on the redistribution of stresses around an underground opening, monitoring issues, excavation for mining purposes. Timing about 30-40 min. Each part is contributing to the final score in the same way and proportion. Final mark range is from 18/30, which is obviously the minimum to pass the exam, to 30/30 +L. Self verifications proposed and carried out during the course session will help the students to understand the questions and appreciated.
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