Results 61 to 70 of about 53,025 (207)

Optimizing Timber Roof Diaphragms for Seismic Damping in the Retrofit of Masonry Churches

open access: yesApplied Sciences
This paper addresses the seismic retrofitting of masonry churches with timber roofs by designing a ductile roof diaphragm with a new energy-based methodology.
Nicola Longarini   +2 more
doaj   +1 more source

Automatic limit and shakedown analysis of 3-D steel frames

open access: yesVietnam Journal of Mechanics, 2007
This paper presents an efficient algorithm for both limit and shakedown analysis of 3-D steel frames by kinematical method using linear programming technique.
Nguyen Dang Hung, Hoang Van Long
doaj   +1 more source

Assessment of FEMA356 nonlinear static procedure and modal pushover analysis for seismic evaluation of buildings [PDF]

open access: yes, 2012
Nonlinear static analysis as an essential part of performance based design is now widely used especially at design offices because of its simplicity and ability to predict seismic demands on inelastic response of buildings.
Khoshnoud, Hamid Reza   +1 more
core   +1 more source

Nonlinear seismic analysis of concrete buildings considering different models of plastic hinges [PDF]

open access: yes, 2015
Congreso celebrado en la Escuela de Arquitectura de la Universidad de Sevilla desde el 24 hasta el 26 de junio de 2015.Pushover analysis is one of the most frequently used methods for the seismic analysis of structures.
López-López, Andrés, Tomás, Antonio
core  

Seismic vulnerability analysis of steel buildings in Bogotá, Colombia [PDF]

open access: yes, 2012
A number of mid-height steel buildings have been erected recently in Bogotá. Their seismic risk might be high, given the new microzonation of Bogotá and the lack of previous studies; remarkably, the response reduction factors were commonly obtained from ...
López Almansa, Francisco   +1 more
core  

Parametric plastic collapse loads and their validation for horizontal saddle supported storage vessels [PDF]

open access: yes, 2003
In general, progressive plastic collapse occurs in vessels with low values of R/t ratio, typically less than 200, and elastic-plastic buckling is observed in vessels with higher R/t ratios. The aim of this paper is to examine various theoretical analyses
Nash, D.H., Spence, J.
core  

Web crippling strength of longitudinally stiffened steel plate girder webs subjected to concentrated loading [PDF]

open access: yes, 2017
Currently, the AISC code provides guidance for the calculation of the ultimate strength of unstiffened plate girder webs subjected to concentric edge loads.
Chacón Flores, Rolando Antonio   +2 more
core  

Topological mechanics of origami and kirigami [PDF]

open access: yes, 2016
Origami and kirigami have emerged as potential tools for the design of mechanical metamaterials whose properties such as curvature, Poisson ratio, and existence of metastable states can be tuned using purely geometric criteria.
Chen, Bryan Gin-ge   +6 more
core   +3 more sources

The buckling and collapse behaviour of saddle-supported cylinders - Keynote Lecture [PDF]

open access: yes, 2003
Recent work by the present authors on the collapse conditions for horizontal cylindrical saddle supported storage vessels is described and reviewed. Attention is directed to a range of geometries, typically R/t < 200, where plastic collapse type failure ...
Nash, D.H., Spence, J.
core  

Analytical modeling of reinforced concrete columns subjected to bidirectional shear [PDF]

open access: yes, 2017
Under general seismic loading, reinforced concrete columns may be subjected to lateral loads in more than one direction. Available experimental data on columns subjected to bidirectional forces indicate that higher levels of damage and a higher loss of ...
Bairán García, Jesús Miguel   +2 more
core   +2 more sources

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