SEISMIC DESIGN OF STRUCTURES

General Module

Course Sheet

Course code:

AI725

Academic Year of enrolment:

2023

Year of supply:

2023/2024

Type of Course:

Characterising

Degree:

Course of 2nd Cycle Degree in BUILDING ENGINEERING

Disciplinary Sector:

Construction Techniques

Is part of:

INTEGRATED COURSE IN EARTHQUAKE ENGINEERING

Location:

PESCARA

Credits:

Programme Year:

Professor and Collaborators:

VANZI Ivo

Cycle:

Second semester

Hours of classroom activity:

Individual study hours:

Prerequisites:

Module 1 (Dynamics of Structures - offered in year 1, semester 1), which is part of this Integrated Course

Objectives

The main objective of this course is to provide students with the basic principles of earthquake engineering design, focusing on the design of new reinforced concrete buildings. The main techniques of seismic design and analysis are presented referring to recent code developments worldwide, more specifically with respect to the Italian Building Code (Norme Tecniche per le Costruzioni 2108). During the course, students will work on assignments on topics covered presented in class. Assignments will include both hand calculations and the use of commercial software for seismic analysis of structures. In the second half of the course students will be asked to design parts of a code-conforming reinforced concrete building.

Contents

Starting from the principles of structural design that students acquired in the first level degree and from those taught in the Module 1 of this class (Dynamics of Structures) this second module focuses on the principles of earthquake engineering design following the Italian Building Code (Norme Tecniche delle Costruzioni 2018) and Eurocode 8. More specifically, the following topics will be presented: seismic hazard in Italy, linear methods of analysis (with emphasis on the response spectrum analysis method), principles of capacity design and their implications in the design of earthquake resistant reinforced concrete buildings. The concepts presented and discussed in class will be used for the design of a reinforced concrete building, that can be a frame, a wall or a base-isolated structure.

Extended Syllabus

1. Definition of seismic action and combination with other loads
1.1 Frequency content of ground motion records.
1.2 Response spectra (elastic and inelastic)
1.3 From seismic hazard to design spectrum

2. Seismic Codes
2.1 Italian Building Code
2.1.1 Capacity Design
2.1.2 New constructions
3.2 Eurocode 8

3. Seismic Design Principles
3.1 Code-conforming reinforced concrete buildings
3.1.1 Principles of base isolation
3.1.2 Introcuction to energy dissipating devices
Design of reinforced concrete frame building. Load analysis, slab design, beam design, column design, shallow foundation design. The seismic resistant system may be a frame, a wall system, or a base-isolated structure. A design report is required, together with drawings indicated fixed points indications, reinforcement details for a beam, a column and a shallow foundation beam.

The project must be completed and graded before the beginning of the new academic year 2022/23.

Recommended Bibliography

Class notes will be posted by the instructor at the following address: http://elearning.unich.it
There is no required textbook, the following publications represent possible additional studying material:
Parducci A. (2007) “Progetto delle Costruzioni in Zona Sismica”, Liguori
Petrini L., Pinho, R., Calvi, G.M. “Criteri di Progettazione Antisismica deli Edifici”, IUSS Press
Cosenza E., Maddaloni G., Magliulo G., Pecce M., Ramasco R. “Progetto Antisismico di Edifici in Cemento Armato”, IUSS Press
Mezzina, M., Raffaele, D., Uva, G., Marano, G.C. (2011) “Progettazione Sismo-Resistente di Edifici in Cemento Armato”, Città Studi
Manfredi G., Masi A., Pinho R., Verderame G, Vona M. “Valutazione degli edifici esistenti in Cemento Armato”, IUSS Press
Mazzolani F.M., Landolfo R., Della Corte G., Faggiano B. “Edifici con Struttura in Acciaio in Zona Sismica”, IUSS Press
Dolce M., Ponzo F.C., Di Cesare A., Arleo G. Progetto di Edifici con Isolamento Sismico, IUSS Press
Italian Building Code (NTC 2018) – available from the instructor
European Codes: Eurocode 8 – available from the instructor
Fardis, M.N., Seismic Design, Assessment and Retrofitting of Concrete Buildings based on EN - Eurocode 8, Springer, 2009
For stuctural details, the following book may be quite useful:
AICAP, Dettagli Costruttivi di Strutture in Calcestruzzo Armato.

Teaching Methods

The course includes both in class teaching and assignments on both seismic analysis and design applications, mostly focusing on member design. In the second half of the course, office hours will be used to monitor progress on the assigned project.

Evaluation methods

Verification of learning:

Two written midterm tests will be administered halfway and toward the end of the semester. Students who do not pass both tests will have to take a comprehensive written exam. Examples of past exams are posted on the elearning platform.
Weekly meetings will be held to assist students with the design project.
The final grade for Integrated Course will be the average of the grade students received in the two modules (Dynamics of Structures – semester 1, and Earthquake Engineering Design – semester 2). Grading of the Earthquake Engineering Design module is: 25% for each midterm (or 50% for the comprehensive written exam) and 50% for the design project.

Contacts/More Information

For further information, students are encouraged to contact the instructor by sending an email to francesco.potenza@unich.it

Università degli Studi
"G. d'Annunzio"

Chieti - Pescara

Aree

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