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Dissertations / Theses on the topic 'Nonlinearities on steel structures'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Lavall, Armando Cesar Campos. "Uma formulação consistente para análise não-linear de pórticos planos de aço considerando imperfeições iniciais e tensões residuais." Universidade de São Paulo, 1996. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-02042018-112300/.

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Neste trabalho desenvolve-se uma formulação teórica consistente para a análise não-linear, física e geométrica, de pórticos planos de aço, através do Método dos Elementos Finitos (MEF), considerando barras com imperfeições iniciais e tensões residuais nas suas seções transversais, visando analisar os critérios de resistência adotados para projeto das colunas de aço, baseados no conceito de resistência-última, e estudar o comportamento não-linear dos pórticos de aço considerando estes dois fatores. São feitas considerações qualitativas sobre a influência das imperfeições iniciais e das tensões

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2

Leal, Luiz Alberto Araújo de Seixas. "Análise elástica dos efeitos da não linearidade geométrica em estruturas de aço." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/3/3144/tde-14122014-161038/.

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A análise das estruturas de aço sujeitas a ações verticais e horizontais, em termos de esforços solicitantes, deslocamentos e rotações, muitas vezes requer a consideração dos efeitos da não linearidade geométrica. Em outras palavras, a interação entre os deslocamentos e os esforços externos pode provocar uma alteração na intensidade dos esforços internos que solicitam a estrutura que, caso não seja adequadamente avaliada, pode conduzir a uma redução significativa dos níveis de segurança. Nesse contexto, destacam-se duas metodologias de avaliação desses efeitos: aquelas baseadas em análises apr

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3

Sarver, George Lertin. "Energy transfer and dissipation in structures with discrete nonlinearities." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/34031.

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4

Xie, Feng. "Resonant optical nonlinearities in cascade and coupled quantum well structures." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3101.

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5

Lee, Siu-lam Anderson, and 李韶林. "Temperature distribution in steel structures." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B3122300X.

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6

Lee, Siu-lam Anderson. "Temperature distribution in steel structures /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21490090.

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7

Castanheira, Joel Filipe Gonçalves. "Steel structures design: practical applications." Master's thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/11492.

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Mestrado em Engenharia Civil<br>O presente trabalho está inserido num estágio realizado na empresa Alstom e aborda o dimensionamento e a execução de estruturas metálicas para o suporte de tanques de arrefecimento de turbinas de gás. No presente trabalho é referido o dimensionamento da estrutura metálica no seguimento da execução de um projecto (Carrington). No dimensionamento da estrutura metálica tem-se como bastante relevante os seguintes dados: a velocidade do vento, actividade sísmica, tipo de acesso para manutenção dos tanques de arrefecimento, movimentos dos tanques, tipos de normas fo

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8

Magnevall, Martin. "Methods for Simulation and Characterization of Nonlinear Mechanical Structures." Licentiate thesis, Karlskrona : Blekinge Institute of Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00430.

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Trial and error and the use of highly time-consuming methods are often necessary for modeling, simulating and characterizing nonlinear dynamical systems. However, for the rather common special case when a nonlinear system has linear relations between many of its degrees of freedom there are particularly interesting opportunities for more efficient approaches. The aim of this thesis is to develop and validate new efficient methods for the theoretical and experimental study of mechanical systems that include significant zero-memory or hysteretic nonlinearities related to only small parts of the

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9

Oosthuizen, Daniel Rudolph. "Data modelling of industrial steel structures." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53346.

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Thesis (MScEng)--Stellenbosch University, 2003.<br>ENGLISH ABSTRACT: AP230 of STEP is an application protocol for structural steel-framed buildings. Product data relating to steel structures is represented in a model that captures analysis, design and manufacturing views. The information requirements described in AP230 were analysed with the purpose of identifying a subset of entities that are essential for the description of simple industrial steel frames with the view to being able to describe the structural concept, and to perform the structural analysis and design of such structures.

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10

Narang, Vikas A. "Heat Transfer Analysis In Steel Structures." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-050405-133533/.

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11

Surampudi, Bala Anjani Vasudha. "High-Resolution Modeling of Steel Structures." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1504787210175847.

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12

Dergham, Serge. "A new analytical approach for assessing the effect of joint nonlinearities in space structures." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14557.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1988.<br>Title as it appears in M.I.T. Graduate List, June 1988: A new analytical approach to study the effects of joints nonlinearities in space structures.<br>Includes bibliographical references.<br>by Serge Dergham.<br>M.S.

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13

Khorasani, Yalda. "Feasibility study of hybrid wood steel structures." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/33561.

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This thesis involves a detailed study of steel-wood hybrid structures and their applications in construction industry. Hybrid structures combine benefits of dissimilar materials to overcome their individual limitations. Various advantages and challenges of steel-timber hybrid structures are presented. Benefits include increase in tensile capacity, seismic performance, fire resistance of the structure, and cost savings. Challenges with this type of hybrid structures originate from the differences in the properties of the materials used. Connection design may be more difficult as temperature and

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14

Kim, Uksun. "Seismic behavior of steel joist girder structures." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/20804.

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15

Martinsson, Johan. "Fatigue assessment of complex welded steel structures." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-166.

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16

Abu, Sha'ari. "Analysis of steel frame structures in fire." Thesis, University of Sheffield, 1991. http://etheses.whiterose.ac.uk/3065/.

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The main aim of the present research is to develop a method of analysis for structural frames exposed to fire including the effects of material and geometric non-linearities. A matrix stiffness method based on a secant stiffness approach is used providing a full temperature deformation history. The approach has previously been used for the analysis of continuous beams and is extended in the present work to include axial forces. These not only affect the longitudinal displacement, but also reduce the member stiffness and create secondary moments due to the p-delta effect. The influence of mater

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17

Wu, Yu-You. "Cathodic protection of steel framed masonry structures." Thesis, Sheffield Hallam University, 2005. http://shura.shu.ac.uk/20575/.

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The identification of "Regent Street Disease" in the United Kingdom in the late 1970's highlighted the problems of the corrosion of iron and steel frames and other structural components in historically sensitive buildings. This has resulted in serious consequences with respect to serviceability, safety, aesthetics and heritage. Cathodic protection is a proven method for preventing and protecting buried and submerged steel and reinforced concrete structures from corrosion. More recently, the method has been introduced to prevent and control corrosion in steel-framed masonry structures. However,

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18

Underwood, J. "Strength assessment of damaged steel ship structures." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/355704/.

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In 2012 106 vessels over 100 gross tonnes were lost. During the damage incidents many of these vessels required assistance from shore based emergency response services with regards to their damaged strength to stabilise the situation, preserve life, prevent environmental disaster and limit financial costs to owners and insurers. The research work presented in this Engineering Doctorate Thesis surrounds the strength assessment of damaged steel ship structures, the influence of damage on the strength of steel-plated structures and methods for assessing the residual strength of a vessel in an eme

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19

Sarveswaran, Velautham. "Remaining capacity of corrosion damaged steel structures." Thesis, University of Bristol, 1996. http://hdl.handle.net/1983/dd074d92-3e3b-4a6c-8bed-ce7dc447307b.

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20

Williams, Stephen Michael. "The condition monitoring of damaged steel structures." Thesis, University of Bristol, 1997. http://hdl.handle.net/1983/1e269816-fae1-4ffc-9b7b-75ba997377b6.

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21

Jarrett, Jordan Alesa. "Performance Assessment of Seismic Resistant Steel Structures." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/24773.

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This work stems from two different studies related to this performance assessment of seismic resistant systems. The first study compares the performance of newly developed and traditional seismic resisting systems, and the second study investigates many of the assumptions made within provisions for nonlinear response history analyses. In the first study, two innovative systems, which are hybrid buckling restrained braces and collapse prevention systems, are compared to their traditional counterparts using a combination of the FEMA P-695 and FEMA P-58 methodologies. Additionally, an innovat

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22

Gosaye, Fida Kaba Jonathan. "Behaviour and design of prestressed steel structures." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/34395.

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The behaviour and design of prestressed steel structures, with an emphasis on trussed arches, are examined in this thesis. For long-span structural systems, where self-weight becomes an increasingly dominant component of the design loading, significant material savings can be achieved through the use of high tensile strength steel cables in conjunction with conventional steelwork. Further benefits can be achieved by prestressing the cables. In the system currently being investigated, the prestressed cables, which are housed within the bottom chord of tubular arched trusses, apply a compressive

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23

Walsh, Michael Thomas. "Corrosion of Steel in Submerged Concrete Structures." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/6048.

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This investigation determined that severe corrosion of steel can occur in the submerged portions of reinforced concrete structures in marine environments. Field studies of decommissioned pilings from actual bridges revealed multiple instances of strong corrosion localization, showing appreciable local loss of steel cross-section. Quantitative understanding of the phenomenon and its causes was developed and articulated in the form of a predictive model. The predictive model output was consistent with both the corrosion rate estimates and the extent of corrosion localization observed in the fiel

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24

Kent, A. J. "Finite element models for the analysis of reinforced concrete shell structures with geometric and material nonlinearities." Thesis, Swansea University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280516.

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25

Liu, Jinbiao. "Earthquake analysis of steel moment resisting frame structures." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ27000.pdf.

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26

Lang, Christopher Leslie. "Composite patching of fatigue cracks in steel structures." Thesis, Heriot-Watt University, 2008. http://hdl.handle.net/10399/2041.

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27

Rose, Paul Stuart. "Simulation of steel/concrete composite structures in fire." Thesis, University of Sheffield, 1999. http://etheses.whiterose.ac.uk/2995/.

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A finite element code has been developed at the University of Sheffield to simulate the structural response of steel and composite framed buildings subjected to fire. The steel skeleton is represented using two-noded line elements, the steel-to-steel connections using spring elements and the flooring system by isotropic flat shell elements. Structures are therefore considered as a complete entity, allowing a more realistic prediction of structural behaviour at elevated temperature. A series of numerical simulations of fire tests carried out on the full-scale, eight-storey composite frame at th

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28

Li, Hongyu. "Analysis of steel silo structures on discrete supports." Thesis, University of Edinburgh, 1994. http://webex.lib.ed.ac.uk/homes/li94.html.

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29

Manson, Leigh (Leigh Caroline). "Analysis and comparison of connections in steel structures." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/34593.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2006.<br>Includes bibliographical references (leaves 54-55).<br>The topic of connections is often given only limited attention in structural analysis and design of buildings, despite the fact that they can play a critical role in the structure. It is customary practice in the U.S. for the structural engineer to design the structural members, but leave the connection details to the steel fabricator. While this practice is more efficient and pragmatic in some instances, it is also necessary for

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30

West, Anna Elizabeth. "Contributors to waterside corrosion of soil-steel structures." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45606.

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Soil-steel structures are designed and constructed worldwide for use in civil infrastructure and construction industries. As a result, extensive work has been devoted to understanding the corrosion of zinc and galvanized steel yielding the development of various corrosion models worldwide. Canada does not have a corrosion model required for use in design, but engineers and contractors often use that developed in the United States by the American Association of State Highway and Transportation Officials. This corrosion model defines the recommended range of pH, chloride concentration and solubl

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31

Qureshi, Jawed Qureshi. "Finite element modelling of steel-concrete composite structures." Thesis, University of Leeds, 2010. http://etheses.whiterose.ac.uk/21112/.

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The main objective of this research is to contribute to the knowledge and understanding of the behaviour of the headed stud shear connector in composite beams with trapezoidal profiled metal decking laid perpendicular to the axis of the beam through experimental and numerical studies. Push tests are used to study the behaviour of composite beams. A three-dimensional finite element model of the push test is developed using the general purpose finite element program ABAQUS and the push test is analysed using different concrete material models, and analysis procedures. The Concrete Damaged Plasti

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32

Wang, Jie. "Behaviour and design of high strength steel structures." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/43758.

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High strength steels (HSS), which are generally considered to be those with yield strengths over 460 MPa, are being increasingly utilised in construction, particularly in high rise structural applications and where long and column-free spans are an important design requirement. In place of ordinary carbon steels, the use of HSS can enable structural elements with smaller cross-sections, resulting in significant material savings. However, compared to normal strength steels, the structural use of HSS is still quite rare. The European design code EN 1993-1-12 provides design rules for HSS up to S

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33

Rahgozar, Reza. "Fatigue endurance of steel structures subjected to corrosion." Thesis, University of Bristol, 1998. http://hdl.handle.net/1983/ea197da9-80da-4385-a7ed-eabd7acdedec.

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34

Hinton, Jackson Daniel. "Corrosion of Hydraulic Steel Structures and Preventive Measures." Thesis, Mississippi State University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10978643.

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<p> Hydraulic steel structures (HSS) are key components of U.S. Army Corps of Engineers infrastructure and are subject to corrosive environments, unpredictable loadings, and extreme conditions. Corrosion can take many forms and can cause costly damage to HSS due to inadequate design of protective measures. There are numerous forms of corrosion that have a negative effect on HSS, as well as material properties that need consideration when designing HSS preventive measures. Understanding corrosion and providing proper preventive measures is crucial for HSS. Proper maintenance and repair of these

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35

Gowda, Sunil. "MULTI-SCALE EFFECTS OF CORROSION ON STEEL STRUCTURES." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1469007207.

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36

Masendeke, Rugare B. "Parametric study of stiffened steel containment shell structures." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/19019.

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Includes bibliographical references. .<br>A FEM-based parametric study is undertaken to investigate the buckling behavior of meridionally and circumferentially stiffened steel cylindrical and conical shell frustum subjected to different load cases. This situation arises in different steel shell applications such as storage vessels (liquid, solid and gas) and in certain configurations of industrial process facilities. The stiffeners are flat strips of rectangular section welded on to the outer surface of the shell, either over the whole length of the shell meridian or around the circumference o

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37

Oosthuizen, Phillip. "Assessment of steel structures subjected to fire conditions." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/5013.

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38

RUNGTHONGBAISUREE, Somkiat. "FUNDAMENTAL INVESTIGATIONS ON CORROSION DETERIORATION OF STEEL STRUCTURES." Kyoto University, 1991. http://hdl.handle.net/2433/138450.

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39

Hayes, Alethea M. "Compression behavior of linear cellular steel." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/32857.

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40

Theofanous, Marios. "Studies of the Nonlinear response of stainless steel structures." Thesis, Imperial College London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509809.

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41

Kimura, Fumiaki. "Probabilistic Design of Steel Structures Applied to Offshore Pipelines." Thesis, Imperial College London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511814.

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42

Ting, Arthur Kung Kii. "Time Equivalent for Protected Steel and Reinforced Concrete Structures." Thesis, University of Canterbury. Civil Engineering, 1999. http://hdl.handle.net/10092/8296.

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This report aims to evaluate the reliability of the formulae commonly used to determine the severity of a compartment fire. It briefly explains the concept behind fire resistance rating for structural elements, describing how the severity of a 'real' compartment fire is equated to that of the 'standard' fire used in laboratories for fire resistance testing. This is followed by a discussion of the computer method used in this report in dissecting those formulae and the development of some computer techniques for calculating fire severity. Apart from that, various physical parameters of a compa

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43

Lane, Barbara. "The response of steel frame structures under fire conditions." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/12119.

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In June 1990 a fire occurred in a large contractors' hut on the first floor of a 14 storey steel framed building in the Broadgate development. Despite large deflections the structure behaved well and there was no collapse of any of the beams, columns or floors. A major investigation was undertaken of the fire and the structural performance. It was concluded that the building behaved as a framework of elements though designed as a collection of isolated elements. The connections were able to accommodate large deformations and forces without failure. Hence when the framework acts as a total enti

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44

Nemir, M. T. M. "Finite element stability analysis of thin-walled steel structures." Thesis, University of Salford, 1985. http://usir.salford.ac.uk/2219/.

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Recent applications in the use of light gauge steel members have been concerned with developing large scale systems built entirely from cold-formed steel members. An explicit analysis of such structures is complicated by the different phenomena that the structure may be prone to during loading. In particular, elastic buckling phenomena is an important consideration in the design of such structures since the load at which buckling occurs often provides a close upper bound to the carrying capacity of the structure. The first part of this two-part thesis (Part I, Chaptersl-8) has been devoted to

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45

El-, Shihy A. M. "Unwelded shear connectors in composite steel and concrete structures." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374861.

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46

Chen, Liquan. "Steel corrosion sensing and chloride control in concrete structures /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202008%20CHEN.

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47

CARDOSO, DEVANEY CRISTINA LIMA. "NUMERICAL MODELING OF SEMI-RIGID CONNECTION FOR STEEL STRUCTURES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1999. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=1270@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Ligações semi-rígidas em estruturas de aço tem apresentado uso crescente na construção metálica, pois é uma opção que permite um melhor aproveitamento da capacidade da estrutura. Neste trabalho apresentam-se as características e a classificação das ligações semi-rígidas bem como a evolução da modelagem numérica e analítica do comportamento destas ligações. Apresenta-se uma metodologia com base no método dos elementos finitos para avaliar numericamente a relação momento-rotação de conexões viga-coluna em estruturas de aço

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48

Kafetsis, Nikolas K. "Applicability of undermatched welds for high strentgh steel structures." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/37813.

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Thesis (Nav.E.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1995.<br>Includes bibliographical references (leaves 182-184).<br>This study presents experimental and numerical results for the strength of welded joints, made on high strength steels with different degrees of strength matching. The steels involved are the HY-100 and HY-130 U.S. Navy, quenched and tempered steels. The test methods are the self restraint cracking test, the tensile test and the fatigue test. The inves

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49

Boström, Staffan. "Crack location in steel structures using acoustic emission techniques." Doctoral thesis, Luleå tekniska universitet, 1999. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16784.

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Denna avhandling utvärderar möjligheten att använda akustisk emission (AE) för att detektera och lokalisera sprickor i stora stålkonstruktioner med ett långt avstånd mellan givarna. De industriella/ekonomiska motivet för projektet är att en noggrannare undersökning av befintliga konstruktioners tillstånd medför att utbyte av dessa konstruktioner kan skjutas på framtiden med bibehållen säkerhet, vilket i sin tur medför besparingar för till exempel broägare. Motiv för långt avstånd mellan givarna är att hålla kostnaden förundersökningen nere. Fältförsöken omfattade mätningar på fyra broar och

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50

Lopes, Nuno Filipe Ferreira Soares Borges. "Behaviour of stainless steel structures in case of fire." Doctoral thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/2412.

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Doutoramento em Engenharia Civil<br>A presente tese resulta de um trabalho de investigação, cujo objectivo se centrou no aumento de conhecimento do comportamento estrutural do aço inoxidável, na construção. O aço inoxidável tem várias características desejáveis num material estrutural. Embora inicialmente mais caras que em aço carbono convencional, estruturas em aço inoxidável podem ser competitivas em virtude de necessitarem de uma menor quantidade de material de protecção térmica, e de terem um custo de ciclo de vida mais baixo, contribuindo assim para uma construção mais sustentável. O prin

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