Research on seismic performance of a concrete-wood hybrid structural system for tall building

被引：0
|
作者：
Xiong H. [1 ]
Chen J. [1 ]
Wu Y. [1 ]
机构：
[1] College of Civil Engineering, Tongji University, Shanghai
来源：
Chen, Jiawei (jiawei_chen@tongji.edu.cn) | 2018年 / Science Press卷 / 39期
关键词：
Concrete-wood hybrid structure; FEA; Green building; Seismic performance; Structural connection; Tall building;
D O I：
10.14006/j.jzjgxb.2018.08.008
中图分类号：
学科分类号：
摘要：
A novel assembly-type concrete-wood hybrid structural system for tall buildings was proposed in this paper. The new structural system is composed of two parts: the concrete frame-tube structure as a main structure, and prefabricated light wood frame construction as substructures inserted into the main structure. Characteristics such as flexible building function, integrated structure system, green building materials and prefabricated construction work are realized by the proposed hybrid structure. With the focus given to the characteristics of different types of connections between the main structure and substructures, three structural analysis models were proposed: 1) 'gravity model', assuming no connections or weak connections between the main structure and substructures with the lateral stiffness of substructures being ignored; 2) 'rigidity model', in which effective bolt connections were adopted; 3) 'isolation model', in which the substructures were connected to the main structure through rubber bearings. Seismic performance analysis of the models was conducted utilizing the finite element software SAP2000. The results show that the main structure of the gravity model performs well. The rigidity model shows that the lateral stiffness contribution of the substructures to the whole building accounts for 6% to 35%. The isolation model indicates that the seismic responses of the whole structure significantly decrease because of the isolated substructures. Compared with traditional high-rise concrete structures with the same building function, the total weight of the hybrid structure can be reduced by 25%, while the seismic force is decreased by 30%, which is beneficial to promote the application of such structures in seismic fortification areas. © 2018, Editorial Office of Journal of Building Structures. All right reserved.
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页码：62 / 70
页数：8
相关论文
共 18 条
  • [1] Xiong H., Ni C., Lu X., Et al., Shaking table tests on 3-storey wood-concrete hybrid structure, Journal of Earthquake Engineering and Engineering Vibration, 28, 1, pp. 91-98, (2008)
  • [2] Technical specification for wood frame construction: DG/TJ08-2059-2009, (2009)
  • [3] Isoda H., Nakagawa M., Kawai N., Et al., Shaking table tests of horizontal composite structure of reinforced concrete and timber frame, Journal of Structural & Construction Engineering, 79, 697, pp. 401-410, (2014)
  • [4] He M., Li S., Guo S., Et al., The seismic performance in diaphragm plane of multi-storey timber and concrete hybrid structure, Procedia Engineering, 14, pp. 1606-1612, (2011)
  • [5] Guo S., Performance analysis of a hybrid structure of concrete and wood, pp. 57-65, (2008)
  • [6] Xiong H., Ouyang L., Wu Y., State-of-the-art research of tall wood buildings, Journal of Tongji University (Natural Science), 44, 9, pp. 1297-1306, (2016)
  • [7] Van De Kuilen J.W.G., Ceccotti A., Xia Z., Et al., Very tall wooden buildings with cross laminated timber, Procedia Engineering, 14, pp. 1621-1628, (2011)
  • [8] Timber tower research project
  • [9] Frangi A., Smith I., Overview of design issues for tall timber buildings, Structural Engineering International, 18, 2, pp. 141-147, (2008)
  • [10] He M., Tao D., Li Z., State-of-the-art of research advances on multi-story timber and timber-hybrid structures, Journal of Building Structures, 37, 10, pp. 1-9, (2016)
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