Collapse Load
Mostrando 1-12 de 38 artigos, teses e dissertações.
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1. Crashworthiness Performance of Stiffened Foam-filled Tapered Structures under Axial and Oblique Dynamic Loads
Abstract This paper aims to explore crashworthiness performance of new designed foam-filled tapered structures under axial and oblique impact load conditions. The structures consisted of inner and outer tapered tubes connected together by four stiffening plates. They also included square, hexagonal, octagonal, decagonal and circular cross-sectional shapes w
Lat. Am. j. solids struct.. Publicado em: 28/06/2018
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2. Static Limit Analysis of Reinforced Soil Structures by a Simple Finite Element and Second-Order Cone Programming
Abstract To discretize reinforced soil structures in plane strain and predict their collapse load, a simple three-node triangular finite element is formulated based on the static theorem of the limit analysis. The element satisfies the equilibrium equations and the mechanical boundary conditions in a weak sense. A modified Mohr-Coulomb yield surface is adopt
Lat. Am. j. solids struct.. Publicado em: 2017
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3. Effects of Key Factors on Hull Girder Ultimate Strength Estimation by Progressive Collapse Calculations
Abstract The estimation of the ship hull girder ultimate strength under vertical bending moments as close to real behavior is vital both for design stage or seagoing life. The maximum load carrying capacity of ship hulls called ultimate strength depends on a number of factors including the strength of the structural material, initial distortions, dimensions
Lat. Am. j. solids struct.. Publicado em: 2016-12
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4. Peripheral Deformation and Buckling of Stainless Steel Hemispherical Shells Compressed by a Flat Plate
Abstract An experimental investigation was performed on stainless steel hemispherical shells under axial compression. Eight kinds of shells with radius-to-thickness ratios that range from 57.1 to 125 were designed and manufactured for this study. The shells were compressed to more than 50% of their radii by a solid flat plate. To avoid contact between the ba
Lat. Am. j. solids struct.. Publicado em: 2016-02
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5. Effects of CFRP retrofit on impact response of shear-deficient scaled reinforced concrete beams
An experimental procedure is carried out to investigate response features of semi-deep reinforced concrete (RC) beams with dominant static shear failure subjected to low-velocity impact dynamic load both in intact and retrofitted cases. Built specimens have scaled geometry and material properties preserving physical similarity with full-scale members and are
Lat. Am. j. solids struct.. Publicado em: 2015-01
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6. A new metamodel for reinforced panels under compressive loads and its application to the fuselage conception
This work presents a new metamodel for reinforced panels under compressive loads, typically used in light-weight aircraft structures. The metamodel represents a replicable cell structure of integrally machined panels. The presented formulation for conception is based on the synthesis of four stability criteria: section crippling, web buckling, flange bucklin
Lat. Am. j. solids struct.. Publicado em: 2014-03
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7. Evaluation of energy absorption performance of steel square profiles with circular discontinuities
This article details the experimental and numerical results on the energy absorption performance of square tubular profile with circular discontinuities drilled at lengthwise in the structure. A straight profile pattern was utilized to compare the absorption of energy between the ones with discontinuities under quasi-static loads. The collapse mode and energ
Lat. Am. j. solids struct.. Publicado em: 2014
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8. Static and dynamic analysis of reinforced concrete shells
The objective of this work is to provide a reliable numerical model using the finite element method (FEM) for the static and dynamic analysis of reinforced concrete (RC) shells. For this purpose two independently computer programs based on plasticity and viscoplasticity theories are developed. The well known degenerated shell element is used for the static a
Lat. Am. j. solids struct.. Publicado em: 2013-11
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9. Finite element validation on adhesive joint for composite fuselage model
A novel fabrication miniature composite fuselage structure consisted of a woven composite laminated with an adhesively bonded butt joint under axial compression loading is numerically simulated in this research. A Finite Element Analysis (FEA) via ABAQUS/Explicit was utilized to capture the complete compressive response that predicts the crushing behaviour a
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2012-03
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10. Pilares de concreto armado em situação de incêndio submetidos à flexão normal composta. / Reinforced concrete columns in fire under uniaxial bending.
According to Brazilian Codes, reinforced concrete structures must be verified under high temperatures, in order to assure the load bearing capacity to allow the safe evacuation of the users and the fire fighting and to reduce the fire spread to other compartments. For reinforced concrete structures, the columns must be analyzed carefully. The significant red
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/05/2011
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11. Comparação de diferentes metodologias de cálculo para determinação de carga de colapso de estruturas metálicas formadas por perfis laminados e soldados / Comparison among different calculation methodologies for load collapse determination of metallic structures constituted by laminated and welded profiles
A grande importância que estruturas metálicas adquiriram atualmente impulsiona estudos e cálculos sobre as mesmas. O dimensionamento adequado desse tipo de estrutura é fundamental, gerando ampla variedade de programas computacionais para esse fim. Mas é imprescindível que se utilizem metodologias confiáveis. O complexo sistema de transportadores de co
Publicado em: 2011
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12. Behavior of concrete "mega" piles, installed in collapsible soil / Comportamento de estacas Mega de concreto, implantadas em solo colapsivel
There are very common cases of works that have problems due to the collapse of foundations and soil, and in the most of the works, the solution applied is the underpinning with Mega piles of concrete that, despite the wide use, there are few studies on this type of foundation. With the aim of add parameters to the technical means about this type of foundatio
Publicado em: 2009