Structural Analysis of Timber Gridshell Covered by OSB Panels Considering the Effect of Wind  

作　　者：Flavio Meireles Caffarello Nilson Tadeu Mascia Cilmar Donizeti Basaglia Julio Soriano 

机构地区：[1]Fuqua School of Business 100 Fuqua Drive,Duham,North Caroline 27708,USA [2]School of Civil Engineering,Architecture and Urban Design,State University of Campinas,Rua Saturnino de Brito,224,Campinas 13083-889,Brazil [3]School of Agricultural Engineering,State University of Campinas,Av.Cândido Rondon,501,Campinas 13083-875,Brazil

出　　处：《Journal of Civil Engineering and Architecture》2022年第6期277-293,共17页土木工程与建筑（英文版）

摘　　要：Timber gridshells have been increasingly gaining attention for combining structural efficiency with an attractive architectural design.The use of timber in this structural system gives freedom to the architectural configuration and implies light and efficient construction.This study presents a methodology for the structural analysis of a gridshell covered by OSB(oriented strand board)panels,taken as a case study,and evaluates the model using finite element analysis.The gridshell’s final geometry was obtained from simulations of the effect of permanent load on the mesh.The structural evaluation was numerically estimated via ANSYS software’s CFX platform,considering the effect of wind on the fluid-structure interaction,as well as the results of a static analysis of the structure,including ultimate and serviceability limit state verifications.To assess the influence of the OSB panels on the gridshell’s behavior,two values of elastic modulus are considered.The analysis of a timber gridshell,which covers a span of 14 m by 28 m,demonstrated that this lightweight structure can be considered rigid,and the increase in stiffness of the OSB panels,used as the structure’s coating,can represent an expressive strength and stiffness gain for this type of gridshell.

关 键 词：CFD(computational fluid dynamics) finite element analysis external wind pressure coefficient STIFFNESS limit state design 

分 类 号：TS6[轻工技术与工程]