Concetto di forza e leggi di Newton; A-3 Condizioni di equilibrio del punto materiale e di sistemi di punti materiali interagenti; A-4 Concetto di momento di una forza e sistemi equivalenti di forze; A-5 Condizioni di equilibrio del corpo rigido.
Objectives The competence level of the Course of Theory of Structures are defined following the SUA CdS document and, in more detail, they are described as follows. Knowledge and understanding: the student at the end of the Course will acquire the basic knowledge concerning Theory of Solids and Structures. The Course develops the knowledge acquired during classes of Mathematics and Physics; topics peculiar to Solids and Structural Mechanics and Strength of Materials are carefully developed, which will be used in the class of Theory and Technology of Structures (Tecnica delle costruzioni). The aim is that of developing in a sound and rigorous way the basic issues, by making clear the physical meaning of the mechanical models which are introduced and their limits of applicability. Attending this class, students will become able to develop applications covering all treated issues. In particular, rigid-body systems, statically determinate and undeterminate structures and linear elastic deformable solids will be dealt with. Applying knowledge and understanding: the objective is to make students able to perform the following tasks: 1.
Recognizing the bearing elements of a given constructions; 2. Selecting an appropriate structural scheme; 3. Evaluating the stress and strain state in a solid subjected to given forces; 4. Assessing the resistance of a structural element; 5. Computing displacement components in a given statically determinate or indeterminate structure. Making judgements: the theoretical and applied knowledge will enable the student to be aware of the relevance and potential complexity of the structural aspect of a construction; The importance of a correct approach to the structural problem and the need to solve it correctly and with appropriate tools. Communication: the student will acquire the ability to communicate, express and argue from a technical point of view regarding the carrying capacity of the structures.
The student will be able to deduce simplified models from real structures and to describe from a quantitative point of view geometries and materials of a civil construction. Lifelong learning skills: the student will learn theoretical and numerical methodologies and tools related to the basic theory of solid mechanics and structures, such as calculation of sections of a section, methods of resolution of statically determined and undetermined structures and constitutive models.
Prerequisites The basic background of high-school and of first year's class Mathematics and Physics is assumed as a necessary prerequisite. In detail, these are the: A) Physics prerequisites: A-1 Basic dimensions and units of measures; A-2 Vectors: fundamental operations and their use in formulating mechanical problems.
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B) Mathematics prerequisites: B-1 Elementary functions and their graphs; B-2 Vectors and analytic geometry; B-3 Matrices, systems of linear algebraic equations, eigenvalues and eigenvectors; B-4 Derivatives and study of functions by differential calculus; B-5 Integrals; B-6 Differential equations. Teaching Methods 60 hours of lectures, 40 hours will be devoted to theory and 20 hours will be tutorials. Teaching language is Italian. Traditional lectures (chalks on blackboard) are interspersed with some exercise sessions, where students are required to solve practical problems, which are similar to those presented in the final tests. In case the necessary financial support will be granted, a tutor will be available to help students improving their skills.
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A few classnotes, self-evaluation tutorials have been assigned so far for the final are available for free download (in PDF format) on the teacher's web site. Verification of learning The final exam is this: one written test with three parts (Cross section properties, determinated structure, undeterminated structure). When the written test gets a positive grade (i.e. A score greater or equal to 18) then admission to oral examination, which is related to more theoretical issues, is granted.
Written test are valid only for the academic year in which they have been taken: as an example, all tests taken from January 2018 through December 2018 will expire at the end of February 2019. Written tests is worth 70% of the final grade, while 30% is reserved to oral examination. Admission to final requires having attended at least 60% of lectures.
Exam dates are known in large advance and students have to book on-line in due time, at least 48 hour before the exam; students failing to comply with this requirement will not be admitted to the exam room. Note for Erasmus students: due to the large number of students involved, no special assignments will be available. Verification of learning The final structure is this: one written test with three parts (Cross section properties, determinated structure, undeterminated structure). When the written test gets a positive grade (i.e. A score greater or equal to 18) then admission to oral examination, which is related to more theoretical issues, is granted.
Written test are valid only for the academic year in which they have been taken: as an example, all tests taken from January 2018 through December 2018 will expire at the end of February 2019. Written tests is worth 70% of the final grade, while 30% is reserved to oral examination. Admission to final requires having attended at least 60% of lectures. Exam dates are known in large advance and students have to book on-line in due time, at least 48 hour before the exam; students failing to comply with this requirement will not be admitted to the exam room. Note for Erasmus students: due to the large number of students involved, no special assignments will be available. Texts – Scienza delle Costruzioni. 1992 Alberto Capinteri.
Pitagora Editrice, Bologna. – Lezioni di Scienza delle Costruzioni. 1971 Michele Capurso. Pitagora Editrice, Bologna. – Scienza delle Costruzioni. 1966 Odone Belluzzi. Tutorials: – Geometria delle masse.
Con esercizi risolti e programma di calcolo. Di Tommaso, M. Progetto Leonardo – Soc. Esculapio, Bologna.
– Esercizi di Scienza delle Costruzioni. Strutture isostatiche e geometria delle masse. Erasmo Viola.
Pitagora Editrice. Bologna – Esercizi di Scienza delle Costruzioni. Strutture iperstatiche e verifica di resistenza. Erasmo Viola. Pitagora Editrice. Bologna Additional books: – La Scienza delle Costruzioni ed il suo sviluppo storico. 1981 Edoardo Benvenuto.
Sansoni, Firenze. – Statica dei sistemi rigidi. 1983 Alfredo Sollazzo, Umberto Ricciuti.
– Elementi di meccanica dei continui e resistenza dei materiali. 1988 Alfredo Sollazzo, Salvatore Marzano. – Teoria tecnica delle travi. 1993 Alfredo Sollazzo, Mauro Mezzina. – Scienza delle Costruzioni.
Alfredo Sollazzo. – Strength of materials. Stephen Timoshenko. Krieger Publishing Company.Theory of Elasticity. Timoshenko, J.
SCIENZA DELLE COSTRUZIONI - Corso di laurea in ingegneria civile Prof. Daniela Boso Prova del 11 luglio 2013 TEMA A Pagina 1 di 2 Cognome Nome Matricola ESERCIZIO 1 Si consideri la struttura della figura seguente. 1.a Si calcolino le reazioni vincolari.
1.b Si traccino i diagrammi dei momenti flettenti, degli sforzi taglianti e degli sforzi normali. NON SONO SUFFICIENTI I RISULTATI. E NECESSARIO RIPORTARE I PASSAGGI ESEGUITI PER OTTENERLI. ESERCIZIO 2 Considerata la struttura dellesercizio 1, per il calcolo della reazione vincolare verticale in A con il principio dei lavori virtuali: 2.a si indichino i centri di rotazione assoluti e relativi; 2.b si traccino i diagrammi delle componenti di spostamento verticale ed orizzontale; 2.c si disegni la configurazione spostata della struttura; 2.d si scriva lequazione di catena e si calcoli il valore della reazione. NON SONO SUFFICIENTI I RISULTATI. E NECESSARIO RIPORTARE I PASSAGGI ESEGUITI PER OTTENERLI. Pagina 2 di 2 ESERCIZIO 3 Si consideri la struttura della figura seguente: 3.a Si discutano le condizioni di vincolo 3.b Si disegni la struttura principale scelta, indicando la/e incognita/e iperstatica/che 3.c Si calcoli il valore di tale/i incognita/e 3.d Si indichi il valore delle reazioni vincolari e si traccino i diagrammi dei momenti flettenti, degli sforzi taglianti e degli sforzi normali relativi allintera struttura.
NON SONO SUFFICIENTI I RISULTATI. E NECESSARIO RIPORTARE I PASSAGGI ESEGUITI PER OTTENERLI.