水泥厂大跨度空间网壳结构设计方案研究.pdfVIP

水泥厂大跨度空间网壳结构设计方案研究.pdf

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水泥厂大跨度空间网壳结构设计方案研究

13 4 空 间 结 构 Vol. 13 No.4 2007 12 SPATIAL STRUCTURES Dec. 2007 郭 云 ( , 300400) :98 , , 100 . ,, ., 150 200 300 ,. , 150 ,( )( ); 200 ,, , ;300 ,. :; ;; ; :TU393.3 : A :2007 Structural design research of long span spatial latticed shell in cement mill GUO Yun ( T ianJ in Cement I nd ustr y D es ig n R es ear ch I nst it ute Co. L td. , T ianJ in 300400, Ch ina) Abstract: Maxi u dia eter of do es used as li estone and clay preblending plant in ce ent ill is 98 at the present ti e. It tends to design spatial structure ore than 100 with develop ent of the production capacity. After studying the li itations of singlelayer and doublelayer latticed shell and suspendeddo e, this paper focuses on long span ultilayer latticed shell and provides the conception of asterslave latticed shell. Static analysis and econo ic co parison are studied a ong doublelayer shell, triplelayer shell and asterslavelatticed shell with a dia eter of 150 , 200 and 300 respectively. The analysis indicates that singlelayer latticed shell is not reco ended but doublelayer and asterslave latticed shell are reco ended if the dia eter is ore than 150 . Doublelayer latticed shell saves in weight but so e bigger bolts are costly due to exceeding nor al size if thedia eter is ore than 200 . In this case, triplelayer latticed shell is suitable with the advantage of e ber s shorter length, bigger global rigidity, lower peak value of internal force, s all di ension of e ber cross section and bolt bolt sphere. Triplelayer and asterslave latticed shell are reco ended if the dia eter is ore than 300 , and the l

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