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Long – span buildings
Doc. Ing. Hana Gattermayerova,[email protected]
Contents Purpose Features Behavior Statical systems Materials
Sources, literature Hájek P. a kol.:
Konstrukce pozemních staveb 1 – Nosné konstrukce I, skriptum ČVUT, Praha 2006
Ching, F.: Building structures illustrated
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2014/2015 124BS01 (124BSE) Lecture 5 2
Long - span buildings - Features, purpose
Long-span buildings create column-free spaces greater than 30 metres (100 feet) for a variety of functions.
These include activities where visibility is important for large audiences (auditoriums, covered stadiums, bathing pools, theatres,), where flexibility is important (exhibition halls and certain types of manufacturing facility), and where large movable objects are housed (aircraft hangars, docks, railway station).
Galerie de Machines, 1889 Paris Exhibition, Dutert
Stamford Bridge - football stadium, West London, home to Chelsea Football Club, Renovated 1990
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2014/2015 124BS01 (124BSE) Lecture 5 3
Long - span buildings: Historical examples
Stock Exchange, Amstedam, Netherlands,1898
Industrial Palace, Prague, Czech Rep., exhibition grounds,1891
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2014/2015 124BS01 (124BSE) Lecture 5 4
PurposeThese include activities where visibility is important for large audiences (auditoriums, covered stadiums, bathing pools, theatres,), where flexibility is important (exhibition halls and certain types of manufacturing facility), and where large movable objects are housed (aircraft hangars, docks, railway station).
Stamford Bridge - football stadium, West London, home to Chelsea Football Club, Renovated 1990
LONG SPAN STRUCTURES
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2014/2015 124BS01 (124BSE) Lecture 5 5
LONG SPAN STRUCTURES
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2014/2015 124BS01 (124BSE) Lecture 5 6
Long - span buildings - function
Load bearing function:
Roof
Supported structure
Stiffness elements
Foundations
Envelope function:
Roofingcladding
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2014/2015 124BS01 (124BSE) Lecture 5 7
Long - span buildings: Action on structures
Self weightDead load (roofing,
cladding)Impact load
Snow !! Wind Live
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2014/2015 124BS01 (124BSE) Lecture 5 8
Long - span buildings - statical systems
According span
One way Two way
According internal forces
Bended structuresFrame structuresCompressed structuresStretched structures
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2014/2015 124BS01 (124BSE) Lecture 5 9
Long - span buildings - statical systems
One way systems
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2014/2015 124BS01 (124BSE) Lecture 5 10
Long - span buildings - statical systems
One way systems
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2014/2015 124BS01 (124BSE) Lecture 5 11
Long - span buildings - statical systems
Two ways systems
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2014/2015 124BS01 (124BSE) Lecture 5 12
Long - span buildings, analysis of load
Bended structures(simple supported)
Frame structures
Compressed structures
Stretched structures
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2014/2015 124BS01 (124BSE) Lecture 5 13
Long - span buildings - lateral stability
Simple supported(bended) structures
Frames structures
Compressed structures
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2014/2015 124BS01 (124BSE) Lecture 5 14
Long - span buildings - simple supported structures
Simple supported concrete structures
Reinforced concrete beams
h = L/10 – L/15
Lmax
22,5 mhttp://www.prefazatec.cz/
Pre -stressed beams
L max
35 m, hmax
2,1 mwww.prefa-praha.cz
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2014/2015 124BS01 (124BSE) Lecture 5 15
Long - span buildings - simple supported structures
Pre -stressed concrete beams
L= 18 m
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2014/2015 124BS01 (124BSE) Lecture 5 16
Long - span buildings - simple supported structures
Simple supported steel structures
h = L/7 – L/10Castellated beams
L = 5 – 14 m
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2014/2015 124BS01 (124BSE) Lecture 5 17
Truss beamsnotice: diameters in cm!!
Long - span buildings - simple supported structures
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2014/2015 124BS01 (124BSE) Lecture 5 18
Long - span buildings - simple supported structures
Truss beams, www.llentab.cz
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2014/2015 124BS01 (124BSE) Lecture 5 19
Long - span buildings - simple supported structures
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2014/2015 124BS01 (124BSE) Lecture 5 20
Long - span buildings - simple supported structures
Simple supported timber structures
Glue laminated
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2014/2015 124BS01 (124BSE) Lecture 5 21
timber trusses
Long - span buildings - simple supported structures
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2014/2015 124BS01 (124BSE) Lecture 5 22http://kasper-vazniky.cz
Long - span buildings - simple supported structures
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2014/2015 124BS01 (124BSE) Lecture 5 23
ConcreteIn situ
Precast
Prestressed
http://www.cornishconcrete.co.uk
Long - span buildings - frame structures
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2014/2015 124BS01 (124BSE) Lecture 5 24
Steel
notice: diameters in cm!!
Frame detail
Long - span buildings - frame structures
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2014/2015 124BS01 (124BSE) Lecture 5 25
Long - span buildings - frame structures
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2014/2015 124BS01 (124BSE) Lecture 5 26
Long - span buildings - frame structures
Timber
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2014/2015 124BS01 (124BSE) Lecture 5 27
Long - span buildings - frame structures
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2014/2015 124BS01 (124BSE) Lecture 5 28
Long - span buildings - frame structures
www.konstrukce-tesko.cz
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2014/2015 124BS01 (124BSE) Lecture 5 29
Long - span buildings - compressed structures
ConcreteIn situ
Precast
Prestressed
Civil structures, bridges
Stráský, Hustý a partneři s.r.o.: Bridge Studénka , D47, CZ
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2014/2015 124BS01 (124BSE) Lecture 5 30
Long - span buildings – compressed structures
Steel
notice: diameters in cm!!
http://www.haly-komos.cz
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2014/2015 124BS01 (124BSE) Lecture 5 31
Long - span buildings - compressed structures
Timber – glue laminated
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2014/2015 124BS01 (124BSE) Lecture 5 32
Long - span buildings - stretched structures