Results 151 to 160 of about 855 (200)

Statistical analysis of seismic behaviour of steel frames: Influence of overstrength

Journal of Constructional Steel Research, 1996
Abstract The influence of structural overstrength on the seismic behaviour of steel structures and on the assessment of the q factor has been studied by means of a suitable procedure, based on the selection of a significant set of homogeneous historical earthquakes and on the statistical analysis of the dynamic inelastic response of the structure to ...
CALDERONI B., GHERSI, Aurelio, RINALDI Z.   +2 more
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Evaluation of behaviour factors on the basis of ductility and overstrength studies

Engineering Structures, 1999
The paper focuses on the evaluation of behaviour factors for seismic design of structures, with due consideration to both their ductility and overstrength. Firstly, inelastic strength spectra for typical target ductilities are presented for earthquake motions representative of those expected in Southern Europe, in particular Greece, the country with ...
Andreas J Kappos
exaly   +2 more sources

Overstrength of shear links in eccentric braces

, 2012
The paper presents a study on shear link overstrength, which is defined as the ratio between the peak inelastic and the yield strength. Three basic parameters are devised as generally influencing shear overstrength: (i) axial forces acting on the link, (ii) the ratio of link flange over web area and (iii) the ratio between link length and cross section
DELLA CORTE, GAETANO, D'ANIELLO, MARIO, LANDOLFO, RAFFAELE   +2 more
openaire   +2 more sources

Seismic Overstrength in Braced Frames of Modular Steel Buildings

Journal of Earthquake Engineering, 2008
The seismic behavior factor, R, is a critical parameter in contemporary seismic design. In the 2005 edition of the National Building Code of Canada, the R factor consists of ductility related force modification factor, Rd, and overstrength-related force modification factor, Ro.
Maged A Youssef, M Hesham El Naggar
exaly   +2 more sources

Accounting for overstrength in seismic design of steel structures

Canadian Journal of Civil Engineering, 1998
Observations during many earthquakes have shown that building structures are able to sustain without damage earthquake forces considerably larger than those they were designed for. This is explained by the presence in such structures of significant reserve strength not accounted for in design.
M.A. Rahgozar, J.L. Humar
openaire   +2 more sources

Analytical and numerical study of plastic overstrength of shear links

Journal of Constructional Steel Research, 2013
Abstract Shear links are widely used in eccentric bracing of steel buildings and, recently, for seismic protection of existing bridges and buildings. Experimental tests carried out for classic eccentric bracing of steel buildings have consistently shown that peak inelastic shear forces up to 1.4–1.5 times the plastic shear strength can develop at ...
DELLA CORTE, GAETANO, D'ANIELLO, MARIO, LANDOLFO, RAFFAELE   +2 more
openaire   +2 more sources

Uncertainty Analysis of Flexural Overstrength Ratio for RC Columns

Journal of Structural Engineering, 2012
This paper summarizes the results of a comprehensive statistical study of the flexural overstrength ratio for estimation of the probable flexural strength of ductile RC columns with varying geometries and confinement levels. The material and section properties and the analytical model response are modeled as random variables and their effects on ...
Zorbozan, Mustafa, Aydemir, Cem
openaire   +3 more sources

Reliability-based overstrength factors of cross-laminated timber shear walls for seismic design

Engineering Structures, 2021
The ductile collapse mechanisms of structures should be less resistant than the brittle mechanisms to ensure a ductile seismic response: in this way, the ductile mechanisms activate before the brittle ones.
Angelo Aloisio, Massimo Fragiacomo
exaly   +2 more sources

Seismic performance of R/C frames with overstrength discontinuities in elevation

Bulletin of Earthquake Engineering, 2011
The paper presents the results of a research study concerning the seismic response and design of r/c frames with overstrength discontinuities in elevation. The discontinuities are obtained assigning overstrengths either to the beams or to the columns of a “regular frame” (assumed as reference).
MAGLIULO, GENNARO, CAPOZZI, VITTORIO, RAMASCO, ROBERTO   +2 more
openaire   +3 more sources

Overstrength of dowelled CLT connections under monotonic and cyclic loading

Bulletin of Earthquake Engineering, 2017
This paper presents an evaluation of overstrength based on an experimental study on dowelled connections in Cross Laminated Timber (CLT). Connection overstrength needs to be well understood in order to ensure that ductile system behaviour and energy ...
Lisa-Mareike Ottenhaus, Minghao Li, Pierre Quenneville   +2 more
exaly   +2 more sources