Course detail

Design of Concrete and Masonry Structures Exposed to Fire

FAST-NLB033Acad. year: 2022/2023

Effects of fire on reinforced concrete, prestressed concrete and masonry structures.
Determination of mechanical and physical properties of concrete, steel reinforcement and masonry at increased temperatures.
Methods for verification of fire resistance of concrete elements and structures. Design of reinforced concrete and masonry members on the effects of fire by simplified calculation methods. Selected design problems (high-strength concrete and thin-walled elements, shear resistance).

Language of instruction

Czech

Number of ECTS credits

2

Mode of study

Not applicable.

Guarantor

doc. Ing. František Girgle, Ph.D.

Department

Institute of Concrete and Masonry Structures (BZK)

Learning outcomes of the course unit

Not applicable.

Prerequisites

Basic knowledge of structural mechanics, masonry structures, concrete structures, prestressed concrete

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Course curriculum

1. The behaviour of concrete and concrete structures during the fire. Effects of fire on structural bearing capacity.
2.–3. Evaluation of fire resistance, the temperature of concrete and reinforcement during the fire. Analysis of the effects of fire and fire load calculation.
4.–5. Properties of concrete and reinforcement at increased temperatures. Determination of mechanical and physical characteristics of concrete and reinforcing steel.
6.–7. Design principles. Design methods for concrete structures exposed to fire - design according to the tables.
8.–9. Simplified calculation methods and advanced computational methods. Special features of the proposal of elements from high-strength concrete on the effects of fire.
10.–11. Properties of masonry at increased temperatures. Determination of mechanical and physical characteristics of masonry.
12.–13. Design principles. Design methods for masonry structures exposed to fire.

Work placements

Not applicable.

Aims

Not applicable.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

fib bulletin no.38: Fire design of concrete structures – materials, structures and modelling, fib, 2007; ISBN 978-2-88394-078-9 (EN)
fib bulletin no.46: Fire design of concrete structures – structural behaviour and assessment, fib, 2008, ISBN 978-2-88394-086-4 (EN)
LENNON, Tom. Structural Fire Engineering. London: ICE Publishing, 2011. ISBN 978-07277-4141-7 (EN)
PROCHÁZKA, Jaroslav, Radek ŠTEFAN a Jitka VAŠKOVÁ. Navrhování betonových a zděných konstrukcí na účinky požáru. Praha: ČVUT, 2010. ISBN 978-80-01-04613-5 (CS)
WALD, František. Výpočet požární odolnosti stavebních konstrukcí. Praha: ČVUT, 2005. ISBN 80-01-03157-8 (CS)

Recommended reading

BUCHANAN, Andrew H. Structural Design for Fire Safety. Chichester: John Wiley & Sons, 2002. ISBN 978-0-471-88993-9 (EN)
Fib Model Code for Concrete Structures 2010. Lausanne, Switzerland: fib, 2013. ISBN 978-3-43360-408-3 (EN)
PROCHÁZKA, Jiří, Petr ŠTĚPÁNEK, Jiří KRÁTKÝ, Alena KOHOUTKOVÁ a Jitka VAŠKOVÁ. Navrhování betonových konstrukcí - Prvky z prostého a železového betonu. Praha: ČBS servis, 2009. ISBN 978-80-903807-5-2 (CS)

Classification of course in study plans

  • Programme NPC-SIK Master's 1 year of study, summer semester, compulsory-optional

Type of course unit

 

Lecture

13 hod., optionally

Teacher / Lecturer

doc. Ing. František Girgle, Ph.D.

Syllabus

1. The behaviour of concrete and concrete structures during the fire. Effects of fire on structural bearing capacity. 2.–3. Evaluation of fire resistance, the temperature of concrete and reinforcement during the fire. Analysis of the effects of fire and fire load calculation. 4.–5. Properties of concrete and reinforcement at increased temperatures. Determination of mechanical and physical characteristics of concrete and reinforcing steel. 6.–7. Design principles. Design methods for concrete structures exposed to fire - design according to the tables. 8.–9. Simplified calculation methods and advanced computational methods. Special features of the proposal of elements from high-strength concrete on the effects of fire. 10.–11. Properties of masonry at increased temperatures. Determination of mechanical and physical characteristics of masonry. 12.–13. Design principles. Design methods for masonry structures exposed to fire.

Exercise

13 hod., compulsory

Teacher / Lecturer

Ing. Jan Perla
doc. Ing. František Girgle, Ph.D.

Syllabus

1. Determination of load on concrete elements and its effects during the fire. 2. Determination of the temperature in the heated concrete element. 3. Correction. 4.–5. Calculation of bearing capacity of concrete elements at known temperature profiles of elements. 6.–7. Slab and beam – verification of fire resistance according to the tables. 8. Columns – verification of fire resistance according to the tables. 9. Correction. 10. Slabs, beams – verification of fire resistance by the “500 °C isotherm” method. 11. Wall – verification of fire resistance by the zone method. 12. Final correction. 13. Submission of the project. Credit.