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A NUMERICAL INVESTIGATION ON FIRE PERFORMANCE OF INDUSTRIAL STEEL WAREHOUSES PROTECTED WITH GYPSUM-BASED BOARDS 用石膏板保护的工业钢结构仓库的防火性能数值研究
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3034
Pegah Aghabozorgi, Luís Laím, Aldina Santiago
{"title":"A NUMERICAL INVESTIGATION ON FIRE PERFORMANCE OF INDUSTRIAL STEEL WAREHOUSES PROTECTED WITH GYPSUM-BASED BOARDS","authors":"Pegah Aghabozorgi,&nbsp;Luís Laím,&nbsp;Aldina Santiago","doi":"10.1002/cepa.3034","DOIUrl":"https://doi.org/10.1002/cepa.3034","url":null,"abstract":"<div>\u0000 \u0000 <p>This paper studies the fire performance of steel warehouse with their main elements insulated with fire protection boards composed of gypsum-based mortars with perlite using the heat transfer and thermomechanical analysis in finite element (FE) software. The primary aim is to identify the optimal thickness of the fire protections boards based on the assigned fire model in thermal analysis. Besides that, a parametric study is also conducted by considering various factors that are often overlooked or not explicitly mentioned in fire design guidelines, such as EN 1991-1-2. The findings facilitate the development of optimized fire design approaches, ensuring the structural integrity and safety of steel warehouses under fire conditions.</p>\u0000 </div>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"175-185"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cepa.3034","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NUMERICAL MODELING OF TIMBER-STEEL HYBRID STRUCTURES: CHALLENGES AND INNOVATIVE STRATEGIES 木材-钢材混合结构的数值建模：挑战与创新战略
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3026
Laura Corti, Giovanni Muciaccia
{"title":"NUMERICAL MODELING OF TIMBER-STEEL HYBRID STRUCTURES: CHALLENGES AND INNOVATIVE STRATEGIES","authors":"Laura Corti,&nbsp;Giovanni Muciaccia","doi":"10.1002/cepa.3026","DOIUrl":"https://doi.org/10.1002/cepa.3026","url":null,"abstract":"<p>The increasing diffusion of timber as a structural material asks for major detailing concerning numerical modelling; timber is commonly used with other construction materials in order to create hybrid structures exploiting each material's strengths and smoothing less efficient features. In this way – combining timber and steel – structural performances are guaranteed while lightness and sustainability of only-timber structures are maintained. Some specific issues linked to timber material – e.g., orthotropic behaviour – and contact with steel are specifically addressed, exploring different techniques according to the scale of the problem. Finally, a complete steel-timber hybrid beam-to-column joint is assembled, with a clear understanding of each interaction and insights for future adjustments to the benchmark model.</p>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"92-101"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
STEEL AND COMPOSITE STRUCTURES IN REHABILITATION AND INTERVENTION IN EXISTING BUILDINGS 钢结构和复合结构在既有建筑修复和干预中的应用
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3023
Guillermo González-Sanz, Alvaro Castrillo, Jesus Saorín, Sandra Valbuena, Alejandro Bernabeu
{"title":"STEEL AND COMPOSITE STRUCTURES IN REHABILITATION AND INTERVENTION IN EXISTING BUILDINGS","authors":"Guillermo González-Sanz,&nbsp;Alvaro Castrillo,&nbsp;Jesus Saorín,&nbsp;Sandra Valbuena,&nbsp;Alejandro Bernabeu","doi":"10.1002/cepa.3023","DOIUrl":"https://doi.org/10.1002/cepa.3023","url":null,"abstract":"<p>This paper presents different criteria, requirements, and possibilities of steel and composite structures in rehabilitation and intervention of existing buildings. Firstly, the characteristics of the materials and techniques of the original building are studied, which are necessary for undertaking the structural analysis. Secondly, the specific conditions of each building are considered in accordance with the criteria and current standards. Thirdly, the possibilities of metal and composite structures in the rehabilitation and intervention of existing buildings are described, with recent projects developed by the authors highlighting their potential and versatility throughout the entire process.</p>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"65-74"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cepa.3023","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
STRUCTURAL ASSESSMENT OF COMPOSITE HIGHWAY BRIDGES CONSIDERING VEHICLE-BRIDGE DYNAMIC INTERACTION 考虑车辆与桥梁动态相互作用的公路复合材料桥梁结构评估
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3033
Ana Célia Soares da Silva, Guilherme Santana Alencar, José Guilherme Santos da Silva
{"title":"STRUCTURAL ASSESSMENT OF COMPOSITE HIGHWAY BRIDGES CONSIDERING VEHICLE-BRIDGE DYNAMIC INTERACTION","authors":"Ana Célia Soares da Silva,&nbsp;Guilherme Santana Alencar,&nbsp;José Guilherme Santos da Silva","doi":"10.1002/cepa.3033","DOIUrl":"https://doi.org/10.1002/cepa.3033","url":null,"abstract":"<p>Over time, as the bridge deck pavement deterioration process increases, the calculated vertical translational displacements and stresses are higher. In this context, the chances of mechanical failure occurrence increase and may cause limitation in the service life of steel and composite (steel-concrete) bridges. Thus, the current work presents a methodology for fatigue analysis developed by the authors through the years. The methodology is devoted specifically for the assessment of composite bridges employing the hot-spot local S-N approach and a coupled vehicle-pavement-bridge system considering progressive pavement deterioration with stochastically generated roughness profiles.</p>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"165-174"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECTIVE MODULUS METHOD (EMM) CONCEPT APPLIED TO THIN-WALLED STEEL BEAMS AFFECTED BY LOCAL-DISTORTIONAL INTERACTION 将有效模量法（emm）概念应用于受局部变形相互作用影响的薄壁钢梁
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3039
Luís Prola, Pedro Gala, Rui B. Ruben, Cristiano Monteiro, Ana Simões
{"title":"EFFECTIVE MODULUS METHOD (EMM) CONCEPT APPLIED TO THIN-WALLED STEEL BEAMS AFFECTED BY LOCAL-DISTORTIONAL INTERACTION","authors":"Luís Prola,&nbsp;Pedro Gala,&nbsp;Rui B. Ruben,&nbsp;Cristiano Monteiro,&nbsp;Ana Simões","doi":"10.1002/cepa.3039","DOIUrl":"https://doi.org/10.1002/cepa.3039","url":null,"abstract":"<div>\u0000 \u0000 <p>The Effective Modulus Method (<i>EMM</i>), which simulates the effects of local and distortional post-buckling to establish simplified design methodologies concept, is applied to the determination of the beam strength. This methodology was presented before [1], where the authors tested the results in columns, in comparison with experimental tests. In this approach, local and distortional post-buckling effects are simulated by changing the mechanical characteristics (namely the elasticity modulus) of the cross-section of the members. Specifically, the paper presents (i) the proposal of a new design methodology for beams affected by local and distortional buckling modes interaction and (ii) the comparison with experimental tests available in the literature.</p>\u0000 </div>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"218-227"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cepa.3039","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SCOPE 3 CARBON EMISSIONS IN SEAPORTS 海港碳排放范围 3
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3027
Danielle Freitas, Helena Gervásio
{"title":"SCOPE 3 CARBON EMISSIONS IN SEAPORTS","authors":"Danielle Freitas,&nbsp;Helena Gervásio","doi":"10.1002/cepa.3027","DOIUrl":"https://doi.org/10.1002/cepa.3027","url":null,"abstract":"<div>\u0000 \u0000 <p>Growing concern about carbon emissions and their environmental impact has led the port sector to assess and reduce their carbon footprint. Scope 3 mobile source emissions, especially related to maritime transportation, play a significant role in this scenario. This study analyses methodologies and tools for calculating Scope 3 emissions, highlighting the main features and shortcomings through case studies. Among the main identified gaps are the lack of standardization and the limited availability of port data. Digitization and its integration with a universal approach present an opportunity for more accurate calculations and a more effective development of emission reduction strategies.</p>\u0000 </div>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"102-111"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cepa.3027","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BERKELEY HOTEL TENSIONING SEQUENCE OF THE EXPOSED STEEL STRUCTURE 伯克利酒店外露钢结构的张拉顺序
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3028
Rui Ribeiro, Nuno Neves
{"title":"BERKELEY HOTEL TENSIONING SEQUENCE OF THE EXPOSED STEEL STRUCTURE","authors":"Rui Ribeiro,&nbsp;Nuno Neves","doi":"10.1002/cepa.3028","DOIUrl":"https://doi.org/10.1002/cepa.3028","url":null,"abstract":"","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"112-123"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LIFE CYCLE ASSESSMENT OF LOW CARBON SANDWICH PANELS WITH WOOD FIBRE CORE 木纤维芯材低碳夹芯板的生命周期评估
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3025
Luana Tesch, Helena Gervásio, Hélder D. Craveiro
{"title":"LIFE CYCLE ASSESSMENT OF LOW CARBON SANDWICH PANELS WITH WOOD FIBRE CORE","authors":"Luana Tesch,&nbsp;Helena Gervásio,&nbsp;Hélder D. Craveiro","doi":"10.1002/cepa.3025","DOIUrl":"https://doi.org/10.1002/cepa.3025","url":null,"abstract":"<p>Wood is a popular material in civil engineering due to its renewability and ability to store carbon during the growing in forests. However, the LCA of wood-based materials is currently based on the balance of carbon without considering the dynamic changes of forests over time and the effects of climate change, like wildfires, on this balance. Hence, this paper is the first step towards the development of a dynamic LCA of forests considering climate change effects on the carbon balance of forests. The paper focusses on the life cycle analysis of sandwich panels with a core made of wood fibers, based on current databases, and aims to illustrate the importance of biogenic carbon in the whole life cycle of such panels, particularly when compared with other traditional panels.</p>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"85-91"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Resistance of thin sheets lap joints connected by spot welding and brazing 通过点焊和钎焊连接的薄板搭接处的阻力
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3044
Viorel Ungureanu, Ioan Both, Antonio Andrei Cristian
{"title":"Resistance of thin sheets lap joints connected by spot welding and brazing","authors":"Viorel Ungureanu,&nbsp;Ioan Both,&nbsp;Antonio Andrei Cristian","doi":"10.1002/cepa.3044","DOIUrl":"https://doi.org/10.1002/cepa.3044","url":null,"abstract":"<p>The results of an experimental program on lap joints of thin gauge sheets connected by spot welding and MIG brazing are compared to the design code provisions. The results show the dependency of the spot weld lap joints resistance on the thickness of the connected sheets, while the MIG brazed lap joints resistance depends on the minimum thickness of the steel sheets connected. A statistical interpretation of the results shows the accuracy of the joint resistance. The coefficient of variation of the spot weld specimen is smaller than the one for the MIG brazed specimen, while the resistance of the spot weld is higher than the MIG brazed specimen when compared to the nominal resistances.</p>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"270-279"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SINGULARITIES OBSERVED IN THE CALCULATION OF THE MODAL DAMPING RATIO OF A LONG-SPAN METAL ARCH BRIDGE 计算大跨度金属拱桥模态阻尼比时观察到的奇异现象
ce/papers Pub Date : 2024-03-27 DOI: 10.1002/cepa.3045
J. A. López-Aragón, M. A. Astiz
{"title":"SINGULARITIES OBSERVED IN THE CALCULATION OF THE MODAL DAMPING RATIO OF A LONG-SPAN METAL ARCH BRIDGE","authors":"J. A. López-Aragón,&nbsp;M. A. Astiz","doi":"10.1002/cepa.3045","DOIUrl":"https://doi.org/10.1002/cepa.3045","url":null,"abstract":"<p>Within the recent studies that are being carried out in the structural health monitoring of bridges, it has been observed that the results of the modal damping ratio can be influenced by some ambient variables and significantly depend on the calculation method that is adopted. In this paper, the main conclusions obtained in the study of the dynamic behaviour of a real structure, the viaduct “Arcos de Alconétar”, in Spain, whose main span is a long metal arch, is reviewed. With this aim, the results obtained from the instrumentation installed during the initial months after its traffic opening are analysed.</p>","PeriodicalId":100223,"journal":{"name":"ce/papers","volume":"7 1-2","pages":"280-289"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140297170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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