現(xiàn)澆圓管式空心樓板的正交各項(xiàng)異性研究
劉杰1，朱強(qiáng)2, 梁書(shū)亭1，朱筱俊1,3
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（1東南大學(xué)土木工程學(xué)院，南京210096；2江蘇省建筑設(shè)計(jì)研究院有限公司，南京210019；3東南大學(xué)建筑設(shè)計(jì)研究院有限公司，南京210096）[摘要] 本文主要研究現(xiàn)澆混凝土圓管式空心板的正交各向異性特性。通過(guò)ABAQUS有限元軟件對(duì)不同管徑和不同肋間距的圓管式空心樓板進(jìn)行分析，得到了圓管式空心樓板順管向和橫管向兩個(gè)方向的剛度及剛度比，給出了兩個(gè)方向的彈性模量，剪切模量和泊松比的計(jì)算公式，為現(xiàn)澆混凝土空心板的理論研究和設(shè)計(jì)提供了依據(jù)。中圖分類(lèi)號(hào)：TU377 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)S1-0687-05Study on orthotropy of circle tubular hollow slabLiu Jie1, Zhu Qiang2, Liang Shuting1, Zhu Xiaojun3(1 School of Civil Engineering, Southeast University, Nanjing 210096, China; 2 Jiangsu Provincial Architectural D&R Institute LTD., Nanjing 210019 China; 3 Architects &Engineers, LTD of Southeast University, Nanjing 210096, China)Abstract: This paper studies the cast-in-situ concrete hollow round tube plate of the orthogonal anisotropy. By the finite element software ABAQUS, different pipe diameter and circular tubular hollow slabs in different rib spacing are analyzed, with circle tubular hollow slab along the pipe to the cross and to the two direction stiffness and stiffness ratio calculated, the two direction of the elastic modulus designed, as well as shear modulus and poisson's ratio calculation formula. It provides the basis for the theoretical study and design of the cast-in-place concrete hollow slab.Keywords: Circle tubular hollow slab; orthotropy; ratio of rigidity
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