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Introduction to Introduction to
Earthquake EngineeringEarthquake Engineering
Prof. Dr.Prof. Dr.--Ing. Uwe E. Ing. Uwe E. DorkaDorka
Behaviour of structuresBehaviour of structures
under earthquakesunder earthquakes
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
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Conventional rc-frame structure under Kobe earthquake
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
33
Non-linear Cyclic Behavior of Frames
From Müller, Keintzel (2)
Failure in soft storey
From Petersen (9)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
44
From Wakabayashi (1)
flexural failure shear failure sliding failure rotation of foundation
Non-linear Cyclic Behavior of Walls
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
55
Flexural cyclic behaviour in plastic hinges
From Wakabayashi (1)
Behaviour of Reinforced-Concrete Structures
From Earthquake Spectra (10)
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Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
66
Buckling of longitudinal reinforcement
From Wakabayashi (1)
Behaviour of Columns
From Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
77
From Wakabayashi (1)
Behaviour under combined bending (moment and shear)
and axial forces: The rc-beam-column
From Petersen (9)
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
88
Short column:
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
99From Wakabayashi (1)
Extreme pinching of hysteresis loop and failure in shear
From Wakabayashi (1)
Short Columns
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1010
pinching effect and deterioration by large shear
Frame Corners
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1111
From Müller, Keintzel (2)
Complicated details in rc-frames:
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1212
Shear walls
From Wakabayashi (1)
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1313
Wall openings
From Wakabayashi (1)
From Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1414
Coupled shear walls
From Müller, Keintzel (2)
From Müller, Keintzel (2)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1515
From Wakabayashi (1)
Pre-cast connections
From Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1616
Conventional steel structure under Kobe earthquake: Soft storey
Behaviour of Steel Structures
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1717
Behaviour of Steel Structures
Plastic hinges
Local Buckling under Cyclic Loading
From DGEB (8)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1818
Relationship between moment and rotation angle for a beam under cyclic loading
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
1919
Horizontal load-deflection relationship of beam columns with various values of
width-thickness ratios
From Wakabayashi (1)
(a) b/t = 8
(b) b/t = 11
(c) b/t = 16
From Petersen (9)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2020
Cyclic buckling of struts
From Wakabayashi (1)
From Wakabayashi (1)
From Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2121
Load-deflection relationship for a braced full-scale portal frame under a
constant vertical load and an alternately repeated horizontal load
P= 0,5*Npl
H HP= 0,5*Npl
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2222
Fracture in connections
Both Pictures from earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2323
Fracture in connections
Both Pictures from earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2424
Seismically sound connections
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2525
Modern Japanese residential structure under Kobe earthquake:
Behaviour of Timber Structures
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2626
From Wakabayashi (1)
Behaviour of Timber Structures
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2727
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2828
From Wakabayashi (1)
Load-deflection relationship for a timber wall under
alternately repeated shear force
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
2929
Masonry Structures
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3030
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3131
Horizontal load-deflection relationships
for a pier subjected
to reversed shear and failing in shear
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3232
From Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3333
Masonry infilled frames
From Wakabayashi (1)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3434
Historic Structures
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3535
Historic Structures
From Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3636
Historic Structures
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3737
Historic Structures
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3838
Bridges
Both Pictures from Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
3939
Both Pictures from Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
4040
Both Pictures from Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
4141
Both Pictures from Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
4242
From Petersen (9)
Both Pictures from Earthquake Spectra (10)
Earthquake EngineeringEarthquake EngineeringProf. Dr.Prof. Dr.--Ing. Uwe E. DorkaIng. Uwe E. Dorka Stand: 04.07.2006
4343
References
(1) Wakabayashi –
Design of EarthquakeDesign of Earthquake--Resistant BuildingsResistant BuildingsMcGraw-Hill Book Company
(2) Müller, Keintzel –
ErdbebensicherungErdbebensicherung von von HochbautenHochbautenVerlag Ernst & Sohn
(3) Deutsche Gesellschaft fürErdbebeningenieurwesen - DGEB
SchriftenreiheSchriftenreihe derder DGEB, Heft 2DGEB, Heft 2Elsevier
(4) Petersen
StatikStatik und und StabilitStabilitäätt derder
BaukonstruktionenBaukonstruktionenVieweg
(5) Jack P. Moehle
Earthquake Spectra Earthquake Spectra –– April 1995April 1995