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Journal of the International Association for Shell and Spatial Structures最新文献

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Recycleshell: Wood-only Shell Structures Made From Cross-Laminated Timber (CLT) Production Waste 再生外壳：由交叉层压木材（CLT）生产废料制成的纯木材外壳结构
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-06-01 DOI: 10.20898/j.iass.2020.204.045
C. Robeller, Niklas Von Haaren
{"title":"Recycleshell: Wood-only Shell Structures Made From Cross-Laminated Timber (CLT) Production Waste","authors":"C. Robeller, Niklas Von Haaren","doi":"10.20898/j.iass.2020.204.045","DOIUrl":"https://doi.org/10.20898/j.iass.2020.204.045","url":null,"abstract":"The article describes a new construction system for shell structures made from door- and window cut-offs resulting from cross laminated timber (CLT) production lines. For the first time, form-fitting fasteners made of beech laminated veneer lumber are used in a shell made of engineered\u0000 wood plates, enabling a particularly simple, fast and precise construction. The efficient planning and production of a multitude of differently shaped elements is made possible by a CAD plug-in developed by the authors. The article presents the general application possibilities and limitations\u0000 of the system, as well as the case study of a shell demonstrator with a span of 12 meters, built from 229 hexagonal plates. A detailed structural analysis is presented for the demonstrator, including an experimental load test to confirm the FEM results.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48846081","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: 8
Seismic Response of Long-Span Domes Supported by Multi-Storey Substructures 多层下部结构支撑的大跨度穹顶的地震反应
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-06-01 DOI: 10.20898/j.iass.2020.204.007
Deepshikha Nair, Yuki Terazawa, B. Sitler, T. Takeuchi
{"title":"Seismic Response of Long-Span Domes Supported by Multi-Storey Substructures","authors":"Deepshikha Nair, Yuki Terazawa, B. Sitler, T. Takeuchi","doi":"10.20898/j.iass.2020.204.007","DOIUrl":"https://doi.org/10.20898/j.iass.2020.204.007","url":null,"abstract":"This paper investigates the seismic response characteristics of long-span domes. The natural periods of the prominent modes are longer than medium-span domes, which leads to a greater contribution from the higher modes to the response of the long-span dome. The acceleration distributions,\u0000 particularly the vertical acceleration distributions are sensitive to the dominant mode shapes of these higher modes. This leads to inaccuracies when applying the previously proposed response evaluation methods. The vibration modes of multi-storey supporting substructures also affect the excited\u0000 vibration modes of the roof. In this paper, the dynamic characteristics and seismic response of 150m-span domes supported by multi-storey substructures are studied. The effects of the post- yield stiffness of multi-storey substructures are also analysed by considering two structural systems,\u0000 buckling- restrained braced frames (BRBF) and damped spine frames. A simple design procedure to evaluate the equivalent static loads using amplification factors and incorporating the effects of higher modes is proposed based on response spectrum analysis and equivalent linearisation procedures.\u0000 The accuracy of the proposed method is evaluated by comparing the responses with those obtained from non-linear response history analysis.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"37 1","pages":"140-157"},"PeriodicalIF":0.8,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77298896","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: 7
Innovative Building Forms Determined by Orthotropic Properties of Folded Sheets Transformed Into Roof Shells 由折叠板转化为屋顶壳的正交异性特性决定的创新建筑形式
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-06-01 DOI: 10.20898/j.iass.2020.204.044
A. Prokopska, J. Abramczyk
{"title":"Innovative Building Forms Determined by Orthotropic Properties of Folded Sheets Transformed Into Roof Shells","authors":"A. Prokopska, J. Abramczyk","doi":"10.20898/j.iass.2020.204.044","DOIUrl":"https://doi.org/10.20898/j.iass.2020.204.044","url":null,"abstract":"Qualitative and quantitative characteristics of geometrical and mechanical changes of nominally plane steel sheets folded in one direction, caused by big elastic shape transformations were invented on the basis of the authors' tests, analyzes and computational models of thin-walled\u0000 folded sheets transformed into shell shapes. Both geometrical and mechanical changes produce significant restrictions in using sheets for shell forms. The deliberate transformations and sheets' characteristics are required to obtain attractive and innovative forms of roof shells and their\u0000 consistent structures as well as entire buildings. The search for effective solutions related to free forms of buildings and shape transformations of sheets especially in the fields of: shape transformation, effort and stabilization of their walls is necessary due to the high sensitivity of\u0000 thin-walled open profiles to boundary conditions and loads. A method for shaping such free form buildings that effectively exploit specific orthotropic properties of the transformed sheeting is presented.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"6 1","pages":"111-124"},"PeriodicalIF":0.8,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73177980","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: 4
Scissor-Hinged Deployable Structures Supported Perimetrally on Rectangular Bases 剪刀铰链可展开的结构支持周边矩形基地
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-06-01 DOI: 10.20898/j.iass.2020.204.009
M. Freire-Tellado, M. Muñoz-Vidal, J. Pérez-Valcárcel
{"title":"Scissor-Hinged Deployable Structures Supported Perimetrally on Rectangular Bases","authors":"M. Freire-Tellado, M. Muñoz-Vidal, J. Pérez-Valcárcel","doi":"10.20898/j.iass.2020.204.009","DOIUrl":"https://doi.org/10.20898/j.iass.2020.204.009","url":null,"abstract":"Deployable bar structures on a rectangular base present the problems of closing the ends and longitudinal stabilization. Some proposals have been made to resolve them, mainly by creating mouths, but their application to composite geometries is problematic. On-the-bias deployable\u0000 structures adequately solve both problems as they are supported around their entire perimeter, have a strong three-dimensional operation and only use load-bearing bars. The text analyses this type of deployable structures, their requirements and possibilities. A study on the combination\u0000 of polar and translational units in a single deployable structure is then carried out, focusing on the study of on-the-bias deployable structures with perimeter polar modules that allow the effective height of the designs to be increased. Finally, the architectural possibilities of the system\u0000 are studied, which make it possible to resolve overhangs, vertical openings in the roof, and T- or L-shaped ground plans, guaranteeing the modularity of the system.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"97 1","pages":"158-172"},"PeriodicalIF":0.8,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90709162","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: 5
Structural Modelling, Construction and Test of The First 3D-printed Gridshell in Ice Composite 冰复合材料中第一个3D打印网格壳的结构建模、施工和测试
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-04-15 DOI: 10.20898/j.iass.2020.001
A. Pronk, E. Mergny, Qingpeng Li
{"title":"Structural Modelling, Construction and Test of The First 3D-printed Gridshell in Ice Composite","authors":"A. Pronk, E. Mergny, Qingpeng Li","doi":"10.20898/j.iass.2020.001","DOIUrl":"https://doi.org/10.20898/j.iass.2020.001","url":null,"abstract":"In the past, record breaking large shell structures with ice composites were successfully realized by spraying cellulose-water mixture on an inflatable mould. This paper presents the application of a new, production technique for ice composites by extrusion instead of spraying. With\u0000 this additive manufacturing technique, the world's first gridshell in fibre-reinforced ice was designed, constructed, and tested. To increase the stiffness of the gridshell the floorplan of the inflatable mould was designed with an anti-clastic curvature at the supports of the structure. Concerning\u0000 the pattern of the grid different options were developed and compared and verified in ABAQUS®. The size of the struts were determined by an iterative process. The gridshell was realized in a cold environment by printing multiple layers of cellulose-water mixture on the inflatable mould\u0000 using piping bags. After the substance has been extruded, the mixture froze at temperatures of minus eight degrees Celsius or lower. The realized structure was tested on-site with a dead load to prove its strength.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48518876","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: 3
Thin Shell Concrete Structures of Félix Candela and Max Borges Jr. f<s:1> lix Candela和Max Borges Jr.的薄壳混凝土结构。
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-03-01 DOI: 10.20898/j.iass.2020.203.031
M. Garlock, B. Glisic
{"title":"Thin Shell Concrete Structures of Félix Candela and Max Borges Jr.","authors":"M. Garlock, B. Glisic","doi":"10.20898/j.iass.2020.203.031","DOIUrl":"https://doi.org/10.20898/j.iass.2020.203.031","url":null,"abstract":"Max Borges Jr. (1918 – 2009) was an architect of thin shell concrete structures in Cuba in the 1950's. During this time, Félix Candela (1910 – 1997) owned a construction company that was dedicated to the design and construction of thin shells. Candela also owned an\u0000 international reputation as a designer of thin shells in the hyperbolic paraboloid (hypar) form. The two men worked together for the first time on a project in Mexico City in 1954, and since then collaborated on several more, most of them in Cuba. This paper illustrates the architect –\u0000 engineer relationship between Borges and Candela and documents the collaborative projects between them. The research grew out of a course co-taught by the authors, where the course was inspired by the style of teaching of David Billington (1927 – 2018) that integrates engineering with\u0000 the humanities. Billington believed in scholarship based on historical studies and documentation of heritage structures. This paper is in tribute to this great man who continues to inspire.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"38 1","pages":"51-58"},"PeriodicalIF":0.8,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77670924","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: 2
Structural Art in Design and Education: The Billington Legacy Preface 结构艺术在设计和教育:比灵顿遗产序言
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-03-01 DOI: 10.20898/j.iass.2020.203.100
J. Abel, M. Garlock
{"title":"Structural Art in Design and Education: The Billington Legacy Preface","authors":"J. Abel, M. Garlock","doi":"10.20898/j.iass.2020.203.100","DOIUrl":"https://doi.org/10.20898/j.iass.2020.203.100","url":null,"abstract":"","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"19 1","pages":"5-10"},"PeriodicalIF":0.8,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81731907","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
Tile Vaulting Innovations by Rafael Guastavino Jr. and Eduardo Torroja 由Rafael Guastavino Jr.和Eduardo Torroja设计的瓷砖拱顶创新
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-03-01 DOI: 10.20898/j.iass.2020.203.021
J. Ochsendorf
{"title":"Tile Vaulting Innovations by Rafael Guastavino Jr. and Eduardo Torroja","authors":"J. Ochsendorf","doi":"10.20898/j.iass.2020.203.021","DOIUrl":"https://doi.org/10.20898/j.iass.2020.203.021","url":null,"abstract":"This paper expands on David Billington's pioneering writings on the Spanish school and demonstrates construction innovations by two important 20 th century shell builders: Rafael Guastavino Jr. (1872-1950) and Eduardo Torroja (1899-1961), who each extended traditional tile vaulting\u0000 to create new possibilities. Guastavino pursued the potential of tile vaulting as a system of load-bearing structure, creating complex geometries in advance of similar innovations in concrete shells, while Torroja repeatedly used tile vaulting as an economical system of formwork for concrete\u0000 shells. Though neither designer was aware of each other's work, in particular because Guastavino Jr. had immigrated to the United States from Spain before Torroja was born, their work shares a number of important similarities. Both builders demonstrate that the Spanish school of shells continues\u0000 to inspire designers today.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"18 1","pages":"59-66"},"PeriodicalIF":0.8,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85826905","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: 1
Lessons from David Billington 大卫·比灵顿的教训
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-03-01 DOI: 10.20898/j.iass.2020.203.030
M. Littman
{"title":"Lessons from David Billington","authors":"M. Littman","doi":"10.20898/j.iass.2020.203.030","DOIUrl":"https://doi.org/10.20898/j.iass.2020.203.030","url":null,"abstract":"Princeton Professor David Billington died on March 25, 2018 at the age of 90. David was a structural engineer, scholar, and a master teacher. He taught two courses at Princeton University. By Princeton standards these were very large courses, impacting as many as 20% of all students\u0000 graduating from Princeton from the mid-1990's until he retired in 2010. One course was \"Structures in the Urban Environment\" and it focused on structural artists – engineers who designed efficient, economical, and elegant structures. The other course was \"Engineering in the Modern World\"\u0000 and it focused on the history of engineering from the time of the American Revolution to the present day. Both courses are still being taught by his colleagues, Prof. Maria Garlock and Prof. Michael Littman. This article is about David's approach to educating the general public and engineers\u0000 as described by Michael Littman, who co-taught the \"Engineering in the Modern World\" course with him for over 20 years.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"1 1","pages":"31-38"},"PeriodicalIF":0.8,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74943186","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
Efficiency, Originality, and Shaping: Considerations for the Design of Good Bridges 效率、创意与造型:好桥梁设计的考量
IF 0.8
Journal of the International Association for Shell and Spatial Structures Pub Date : 2020-03-01 DOI: 10.20898/j.iass.2020.203.035
P. Gauvreau
{"title":"Efficiency, Originality, and Shaping: Considerations for the Design of Good Bridges","authors":"P. Gauvreau","doi":"10.20898/j.iass.2020.203.035","DOIUrl":"https://doi.org/10.20898/j.iass.2020.203.035","url":null,"abstract":"This article examines three important aspects of bridge design that can provide guidance to engineers who wish to design bridges that embody efficiency, economy, and elegance, the three ideals of structural engineering defined by David P. Billington. These aspects are (1) the relation\u0000 between efficiency and economy, (2) the significance of originality, and (3) the challenge of shaping structural components. Efficiency and economy can only co-exist in a given structure when the ratio of the cost of materials is high relative to the cost of labour. Currently, this is not\u0000 the case. The importance of originality relates to the visual expression of creative decisions made in design. For bridges, creative decisions made on the basis of purely practical considerations can be a valid source of aesthetic significance. The scope of creativity is not limited to the\u0000 structural system itself, but rather encompasses the combined entity consisting of structure and site. It is possible to shape structural components on the basis of aesthetic considerations while maintaining a strict discipline of economy. The primary opportunities for using this source of\u0000 aesthetic significance are created by structural dimensions for which a change produces only minimal effect on structural behaviour and cost.","PeriodicalId":42855,"journal":{"name":"Journal of the International Association for Shell and Spatial Structures","volume":"80 1","pages":"85-93"},"PeriodicalIF":0.8,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89405286","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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