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Advanced structural design

01VLDMX

A.A. 2023/24

Course Language

Inglese

Course degree

Master of science-level of the Bologna process in Ingegneria Civile - Torino

Course structure
Teaching Hours
Teachers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Teaching assistant
Espandi

Context
SSD CFU Activities Area context
ICAR/09 8 B - Caratterizzanti Ingegneria civile
2021/22
The course is the natural prosecution of the "structural design" course of the third year. Grounding on the knowledge achieved by the students on the topics like: structural safety, limit state design, factorization of actions, influence functions, this course is aimed to teach the design procedure of a simple reinforced concrete and a simple steel structure. A practical approach will be followed in order to develope realistic design outputs and blueprints. A commercial finite element software will be used and explained.
The course is the natural prosecution of the basic bachelor's structural design course, grounding on the knowledge achieved by the students on the topics like: structural safety, limit state design, factorization of actions, influence functions. This course is aimed to teach the design procedure of a simple reinforced concrete and a simple steel structure. A practical approach will be followed in order to develope realistic design outputs and blueprints. A commercial finite element software will be used and explained.
The student will obtain the following competences at the end of the course: 1. Structural modelling and design skill using a commercial finite element software. 2. The competence to select, define and apply the correct external loads to simple structures. 3. The skill to design simple three-dimensional structures in reinforced concrete and steel. 4. Being able to write a design report of a simple reinforced concrete structure and a simple steel structure. 5. The skill to draw simple blueprints of reinforced concrete elements: 5.1 General arrangement and reinforcement of a flooring slab; 5.2 General arrangement and reinforcement of beams and columns; 5.3 General arrangement and reinforcement of foundation girder. 6. The skill to draw simple blueprints of steel structure elements: 5.4 Common truss systems; 5.5 Welded nodes; 5.6 Bolted nodes.
The student will obtain the following competences at the end of the course: 1. Structural modelling and design skill using a commercial finite element software. 2. The competence to select, define and apply the correct external loads to simple structures. 3. The skill to design simple three-dimensional structures in reinforced concrete and steel. 4. Being able to write a design report of a simple reinforced concrete structure and a simple steel structure. 5. The skill to draw simple blueprints of reinforced concrete elements: 5.1 General arrangement and reinforcement of a flooring slab; 5.2 General arrangement and reinforcement of beams and columns; 5.3 General arrangement and reinforcement of foundation girder. 6. The skill to draw simple blueprints of steel structure elements: 5.4 Common truss systems; 5.5 Welded nodes; 5.6 Bolted nodes.
The course prerequisites are: 1.1. Structural analysis competences: 1.1.1. Geometrical properties of areas: centroid, inertia moments, principal inertia axes. 1.1.2. Statically determined plane frames solution. 1.1.3. Statically determined truss-systems solution. 1.2. Structural design competences: 1.2.1. Basis of structural safety (semi-probabilistic limit state design) 1.2.2. Design and verification of reinforced concrete cross section subjected to banding and axial forces at Ultimate Limit State and Serviceability Limit State
The course prerequisites are: 1.1. Structural analysis competences: 1.1.1. Geometrical properties of areas: centroid, inertia moments, principal inertia axes. 1.1.2. Statically determined plane frames solution. 1.1.3. Statically determined truss-systems solution. 1.2. Structural design competences: 1.2.1. Basis of structural safety (semi-probabilistic limit state design) 1.2.2. Design and verification of reinforced concrete cross section subjected to banding and axial forces at Ultimate Limit State and Serviceability Limit State
1. Quick Elements of design using limit states 1.1. Basic concepts of structural safety with semi-probabilistic approach 1.2. Ultimate limit states 1.3. Serviceability limit states 2. Actions on structures 2.1. Self-weight and permanent loads 2.2. Anthropic actions (crowd loads, moving loads) 2.2.1. Residential buildings 2.2.2. Offices 2.2.3. Buildings subjected to congregation of people (restaurants, conference halls, sport…) 2.2.4. Shopping buildings 2.2.5. Storage facilities (libraries, warehouses) 2.3. Wind loads 2.3.1. Basic concepts (wind velocity, terrain category, turbulence, wind pressure) 2.3.2. Wind forces 2.3.2.1. Local verification 2.3.2.2. Global verification 2.3.3. Wind action on structures 2.4. Snow loads 2.5. Temperature loads 2.6. Foundation settlements and effect of foundation deformability 3. Durability of reinforced concrete structures 3.1. The concept of durability 3.2. Environmental aggressions to concrete structures 3.2.1. Chemical attack 3.2.2. Reinforcement corrosion 3.2.3. Freeze and thaw 3.3. Concrete prescription according to EN 206 3.3.1. Resistance class 3.3.2. Environmental exposure class 3.3.3. Maximal dimension of aggregates 3.3.4. Consistency class 3.3.5. Chloride content class 3.4. Concrete cover calculation 3.5. Reinforcing steel prescriptions according to EN10080 4. Reinforced Concrete flooring structural typologies 4.1. Two way solid body flat slab 4.2. Two way solid body flat slab with drops 4.3. Two way waffle plate (with and without drops) 4.4. Two way solid body flat slab with deeper beams 4.5. One way joist slabs: 4.5.1. without blocks 4.5.2. with precast panels (predalles) 4.5.3. with hollow clay blocks and cast in situ concrete joists 4.5.4. with hollow clay blocks and lattice prefabricated joist 4.5.5. with hollow clay blocks and precast, prestressed concrete joists 4.5.6. with synthetic blocks and precast, prestressed concrete joists 4.6. Hollow core slabs with cast in situ topping 4.7. Bubble deck 4.8. Composite steel concrete slab with profiled steel decking 5. Structural concrete verifications 5.1. Instability: 5.1.1. Effect of geometrical imperfections 5.1.2. Slenderness of an element 5.1.3. Verification for instability 5.2. Review of shear resistance of a concrete member without shear reinforcement 5.3. Review of shear resistance of a concrete member with shear reinforcement 5.4. Combination of shear and torsion 5.5. Punching 6. Reinforced concrete basic elements details 6.1. Spacers 6.2. Beam reinforcement layout 6.3. Column reinforcement layout 6.4. Beam-column node 6.5. Staircase layout 6.6. Foundation footing with connecting beam layout 6.7. Foundation beam reinforcement layout 7. Steel structures typologies 7.1. One storey buildings 7.2. Multi storey buildings. 7.3. Truss systems. 7.4. Horizontal and vertical bracing systems. 8. Steel elements verifications 8.1. Tensed elements 8.2. Compressed elements (instability) 8.3. Elements subjected to bending and axial force (instability). 8.4. Elements subjected to bending and shear 9. Steel structures joints verifications and detailing 9.1. Welded and bolted node with L elements 9.2. Welded and bolted node with C elements 9.3. Bolted node between primary and secondary beam 9.4. Bolted note between beam and column 9.5. Bolted continuity node on H element 10. Finite element modelling of a concrete framed building and a steel truss structure Definition of: 10.1. nodes and elements 10.2. materials 10.3. cross sections 10.4. element groups 10.5. boundary conditions 10.6. loads: 10.6.1. Nodal loads 10.6.2. Element loads 10.7. load cases an loads combos 10.8. Design verifications at ULS and SLS
1. Quick Elements of design using limit states 1.1. Basic concepts of structural safety with semi-probabilistic approach 1.2. Ultimate limit states 1.3. Serviceability limit states 2. Actions on structures 2.1. Self-weight and permanent loads 2.2. Anthropic actions (crowd loads, moving loads) 2.3. Wind loads 2.4. Snow loads 2.5. Temperature loads 2.6. Foundation settlements and effect of foundation deformability 3. Durability of reinforced concrete structures 3.1. The concept of durability 3.2. Environmental aggressions to concrete structures 3.2.1. Chemical attack 3.2.2. Reinforcement corrosion 3.2.3. Freeze and thaw 3.3. Concrete prescription according to EN 206 3.3.1. Resistance class 3.3.2. Environmental exposure class 3.3.3. Maximal dimension of aggregates 3.3.4. Consistency class 3.3.5. Chloride content class 3.4. Concrete cover calculation 3.5. Reinforcing steel prescriptions according to EN10080 4. Reinforced Concrete flooring structural typologies 4.1. Two way solid body flat slab 4.2. Two way solid body flat slab with drops 4.3. Two way waffle plate (with and without drops) 4.4. Two way solid body flat slab with deeper beams 4.5. One way joist slabs: 4.5.1. without blocks 4.5.2. with precast panels (predalles) 4.5.3. with hollow clay blocks and cast in situ concrete joists 4.5.4. with hollow clay blocks and lattice prefabricated joist 4.5.5. with hollow clay blocks and precast, prestressed concrete joists 4.5.6. with synthetic blocks and precast, prestressed concrete joists 4.6. Hollow core slabs with cast in situ topping 4.7. Bubble deck 4.8. Composite steel concrete slab with profiled steel decking 5. Structural concrete verifications 5.1. Instability: 5.1.1. Effect of geometrical imperfections 5.1.2. Slenderness of an element 5.1.3. Verification for instability 5.2. Review of shear resistance of a concrete member without shear reinforcement 5.3. Review of shear resistance of a concrete member with shear reinforcement 5.4. Combination of shear and torsion 5.5. Punching 6. Reinforced concrete basic elements details 6.1. Spacers 6.2. Beam reinforcement layout 6.3. Column reinforcement layout 6.4. Beam-column node 6.5. Staircase layout 6.6. Foundation footing with connecting beam layout 6.7. Foundation beam reinforcement layout 7. Steel structures typologies 7.1. One storey buildings 7.2. Multi storey buildings. 7.3. Truss systems. 7.4. Horizontal and vertical bracing systems. 8. Steel elements verifications 8.1. Tensed elements 8.2. Compressed elements (instability) 8.3. Elements subjected to bending and axial force (instability). 8.4. Elements subjected to bending and shear 9. Steel structures joints verifications and detailing 9.1. Welded and bolted node with L elements 9.2. Welded and bolted node with C elements 9.3. Bolted node between primary and secondary beam 9.4. Bolted note between beam and column 9.5. Bolted continuity node on H element 10. Finite element modelling of a concrete framed building and a steel truss structure Definition of: 10.1. nodes and elements 10.2. materials 10.3. cross sections 10.4. element groups 10.5. boundary conditions 10.6. loads: 10.6.1. Nodal loads 10.6.2. Element loads 10.7. load cases an loads combos 10.8. Design verifications at ULS and SLS
The course is divided into a first set of 55hours regarding reinforced concrete and a second set of 25 hours regarding structural steel. Some topics regarding structural modelling are commont to the two sets. Theory and practice lessons will be equally distributed. Theory lessons are intended to deepen the knowledge of concrete and steel structures that have been introduced in the course of structural design of the third year. The teacher will present and describe the design procedure of two structures: one made of steel and one made of concrete.
The course is divided into a first set of 55hours regarding reinforced concrete and a second set of 25 hours regarding structural steel. Some topics regarding structural modelling are commont to the two sets. Theory and practice lessons will be equally distributed. Theory lessons are intended to deepen the knowledge of concrete and steel structures that have been introduced in the course of structural design of the third year. The teacher will present and describe the design procedure of two structures: one made of steel and one made of concrete.
Theory and practice lessons are done with the aid of electronica support: 1. Slides and textbook written by the teacher. 2. Software recording sessions. Lesson slides are available for downloads on the Polito portal. The following national and international design codes are can be downloaded freeware: 3. DECRETO 17 gennaio 2018. “Aggiornamento delle «Norme tecniche per le costruzioni»” - NTC 2018 4. CIRCOLARE 21 gennaio 2019, n. 7 C.S.LL.PP. Istruzioni per l’applicazione dell’«Aggiornamento delle “Norme tecniche per le costruzioni”» di cui al decreto ministeriale 17 gennaio 2018. 5. CNR-DT 207/2008 - Istruzioni per la valutazione delle azioni e degli effetti del vento sulle costruzioni 6. EN 1990 - Eurocode - Basis of structural design 7. EN 1991-1-1 Eurocode 1: Actions on structures - Part 1-1: General actions -Densities, self-weight, imposed loads for buildings. 8. EN 1991-1-3 Eurocode 1 - Actions on structures - Part 1-3: General actions - Snow loads. 9. EN 1991-1-4 Eurocode 1: Actions on structures - Part 1-4: General actions -Wind actions 10. EN 1991-1-5 Eurocode 1: Actions on structures - Part 1-5: General actions -Thermal actions 11. EN 1992-1-1 (2004) - Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules for buildings 12. EN 1993-1-1 (2005) - Eurocode 3: Design of steel structures - Part 1-1: General rules and rules for buildings 13. EN 1993-1-8 (2005) - Eurocode 3: Design of steel structures - Part 1-8: Design of joints The following freeware books are suggested to reach a deeper knowledge: 14. EC2 Commentary – Published by the European Concrete Platform ASBL, June 2008 15. EC2 Worked Examples - Published by the European Concrete Platform ASBL, 2008 The following printed texts are also recommended: 16. Toniolo G., Di Prisco M., Reinforced Concrete Design to Eurocode 2, Springer Tracts in Civil Engineering, 2018. 17. O’ Brien E., Reinforced and prestressed concrete design to EC2: The Complete Process, 2012. 18. Kamara M.E., Novak L. C., Simplified Design of Reinforced Concrete Buildings, Portland Cement Association, 2011. 19. L. Gardner and D.A. Nethercot, Designers’ guide to EN 1993-1-1 – Eurocode 3 Design of steel structures General rules and rules for buildings, Thomas Telford, 2005. 20. I. Vayas, J. Ermopoulos, G. Ioannidis, Design of steel structures to Eurocode, Springer, 2018
Theory and practice lessons are done with the aid of electronica support: 1. Slides and textbook written by the teacher. 2. Software recording sessions. Lesson slides are available for downloads on the Polito portal. The following national and international design codes are can be downloaded freeware: 3. DECRETO 17 gennaio 2018. “Aggiornamento delle «Norme tecniche per le costruzioni»” - NTC 2018 4. CIRCOLARE 21 gennaio 2019, n. 7 C.S.LL.PP. Istruzioni per l’applicazione dell’«Aggiornamento delle “Norme tecniche per le costruzioni”» di cui al decreto ministeriale 17 gennaio 2018. 5. CNR-DT 207/2008 - Istruzioni per la valutazione delle azioni e degli effetti del vento sulle costruzioni 6. EN 1990 - Eurocode - Basis of structural design 7. EN 1991-1-1 Eurocode 1: Actions on structures - Part 1-1: General actions -Densities, self-weight, imposed loads for buildings. 8. EN 1991-1-3 Eurocode 1 - Actions on structures - Part 1-3: General actions - Snow loads. 9. EN 1991-1-4 Eurocode 1: Actions on structures - Part 1-4: General actions -Wind actions 10. EN 1991-1-5 Eurocode 1: Actions on structures - Part 1-5: General actions -Thermal actions 11. EN 1992-1-1 (2004) - Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules for buildings 12. EN 1993-1-1 (2005) - Eurocode 3: Design of steel structures - Part 1-1: General rules and rules for buildings 13. EN 1993-1-8 (2005) - Eurocode 3: Design of steel structures - Part 1-8: Design of joints The following freeware books are suggested to reach a deeper knowledge: 14. EC2 Commentary – Published by the European Concrete Platform ASBL, June 2008 15. EC2 Worked Examples - Published by the European Concrete Platform ASBL, 2008 The following printed texts are also recommended: 16. Toniolo G., Di Prisco M., Reinforced Concrete Design to Eurocode 2, Springer Tracts in Civil Engineering, 2018. 17. O’ Brien E., Reinforced and prestressed concrete design to EC2: The Complete Process, 2012. 18. Kamara M.E., Novak L. C., Simplified Design of Reinforced Concrete Buildings, Portland Cement Association, 2011. 19. L. Gardner and D.A. Nethercot, Designers’ guide to EN 1993-1-1 – Eurocode 3 Design of steel structures General rules and rules for buildings, Thomas Telford, 2005. 20. I. Vayas, J. Ermopoulos, G. Ioannidis, Design of steel structures to Eurocode, Springer, 2018
Modalità di esame: Prova orale obbligatoria; Elaborato grafico individuale; Elaborato progettuale individuale;
Exam: Compulsory oral exam; Individual graphic design project; Individual project;
Gli studenti e le studentesse con disabilità o con Disturbi Specifici di Apprendimento (DSA), oltre alla segnalazione tramite procedura informatizzata, sono invitati a comunicare anche direttamente al/la docente titolare dell'insegnamento, con un preavviso non inferiore ad una settimana dall'avvio della sessione d'esame, gli strumenti compensativi concordati con l'Unità Special Needs, al fine di permettere al/la docente la declinazione più idonea in riferimento alla specifica tipologia di esame.
Exam: Compulsory oral exam; Individual graphic design project; Individual project;
Expected learning results: 1. Being able to use a f.e.m. commercial software to model a simple concrete frame and a simple steel truss system. 2. Being able to define and apply actions on structures 3. Being able to verify simple concrete elements and steel elements 4. Being able to draw simple blueprints of a steel and a concrete structure Exam rules and procedures: The student should upload on the polito portal the pdf files related to his/her projects one week before the exam. The evaluation of the design blueprints is from 0 to 6 points. The exam is oral and it last about 30-40 minutes for each student. During the exam the student should answer questions related to the design projects and to the theory and practice topics of the course. The oral exam evaluation is from 0 to 24 points. The sum of the points achieved during the oral and with the project leads to the final result.
In addition to the message sent by the online system, students with disabilities or Specific Learning Disorders (SLD) are invited to directly inform the professor in charge of the course about the special arrangements for the exam that have been agreed with the Special Needs Unit. The professor has to be informed at least one week before the beginning of the examination session in order to provide students with the most suitable arrangements for each specific type of exam.
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