Research Situation of the Unilateral Contact Buckling of Thin Wall Steel-Concrete Composite Panels

2011 ◽  
Vol 255-260 ◽  
pp. 333-337
Author(s):  
Bing Qing Xia ◽  
Jun Dong ◽  
Lan Zong

Thin wall steel-concrete composite wall panels can be used as bearing member and also as maintenance structural plates, which can satisfy functional requirements of building including bearing capacity, heat insulation and preservation. The problem relating unilateral contact buckling of thin wall steel composite panels has received attention from many construction engineers. The investigation progress is analyzed in general and the investigation questions are illustrated. The research approach and technical routes of delaminated critical load are also presented.

2021 ◽  
Vol 2068 (1) ◽  
pp. 012038
Author(s):  
Huqing Liang ◽  
Mengxiong Tang ◽  
Ruicong Huang ◽  
Zhengrong Jiang ◽  
Junming Qiu ◽  
...  

Abstract Based on the finite element method, the typical layout and parameters were selected to establish the overall structure model of steel frame—cold-formed thin-walled steel composite wall and their influence on the mechanical properties and the economic steel amount was analyzed. The results show that the screw spacing, purlin section and purlin spacing have little effect on the lateral stiffness and the amount of steel used in the overall structure, while the width of wall opening has obvious effect. It is suggested that the screw spacing should be consistent with the relevant provisions in the cold-formed thin-walled steel structure specification, the purlin section should be selected relatively small according to the wall thickness and the purlin spacing should be properly amplified. The applicable height of this structure system is higher than that of pure cold-formed thin-wall steel structure system in ordinary residential buildings. The amount of steel used in this structure system is obviously less than that of pure steel frame structure system.


2010 ◽  
Vol 113-116 ◽  
pp. 2246-2250 ◽  
Author(s):  
Wang Li Zhang ◽  
Yu Shun Li ◽  
Huang Ying Shen ◽  
Tian Yuan Jiang ◽  
Zhen Wen Zhang

In order to promote building structure to be environmental friendly, light-weight and high-strength, a novel bamboo-steel composite wall is proposed. The composite wall is made up by sticking two pieces of bamboo plywood on the faces of a piece of profiled steel sheet utilizing structural glue. Taking thickness of the bamboo plywood and thickness and corrugation-height of the profiled steel sheet as variables, quasi-static tests were carried out on 5 specimens. Based on experimental phenomena and data, their earthquake resistant properties such as horizontal bearing capacity, ductility and energy dissipation and failure mechanism are analyzed. The results show that the bamboo plywood and profiled steel sheet can effectively work together, the composite walls possess wonderful seismic properties, and that changes of thickness or corrugation-height of profiled steel sheet make very sharp differences to the properties of the walls. Finally, a simplified mechanical model and calculation method for horizontal bearing capacity are proposed according to hysteresis curves within elastic range of these walls. The calculated values match well with the experimental ones.


2012 ◽  
Vol 174-177 ◽  
pp. 988-992
Author(s):  
Shuang Mei Cao

This thesis analyzes the current situation of the heat insulation system of composite wall in China. Through comparison, it points out that heat insulation system is the trend of the development for heat preservation and energy saving, and meanwhile, it gives direction for further research to several different new type heat insulation systems.


Author(s):  
K. Sai Lakshmi ◽  
P. Prabha ◽  
G. S. Palani ◽  
B. Ajitha ◽  

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Qifeng Shan ◽  
Keting Tong ◽  
Xiaocun Zhang ◽  
Yushun Li

In this paper, a bamboo steel composite testing building was designed and built to study the thermal performance of a new proposed bamboo steel composite wall. The heat flux meter method was adopted in the field test to measure the heat transfer coefficient of the composite wall. The energy consumption of testing building was measured to verify the validity of the simulation model. Then, the simulation analysis was conducted to study the energy performance of the composite walls compared with reinforced concrete wall in different climate regions. The result showed that the measurement value of heat transfer coefficient matched well with the theoretical calculation value, and both values meet the requirement of the standard. The simulation result showed that the composite walls had better energy performance and had great potential utilization in residential buildings in different climate regions.


2019 ◽  
Vol 289 ◽  
pp. 10012
Author(s):  
Yunxing Shi ◽  
Yangang Zhang ◽  
Kun Ni ◽  
Wei Liu ◽  
Ye Luo

The production process and application of large composite external wall panels (composite panels for short) are introduced in this paper. Composite panels with both load bearing and thermal insulation were formed by pouring normal concrete (NC) and ceramsite foamed concrete (CFC) continuously according to particular technological requirements, which made two layers into a seamless whole. The layers of NC and CFC are for load bearing and thermal insulation respectively. The composite panels were manufactured in the scale of industrial production, and applied to several energy saving prefabricated buildings successively, instead of polystyrene sandwich composite panels (sandwich panel for short) as external wall panels. There are several obvious advantages of the composite panel over the sandwich panel or outer benzoic board. Firstly, it solved the problems of durability of polystyrene and the complex production process of the sandwich pane, the production process of the external wall was thus greatly simplified. In addition, the fire risk was much reduced.


2015 ◽  
Vol 96 ◽  
pp. 459-471 ◽  
Author(s):  
Y.B. SudhirSastry ◽  
Pattabhi R. Budarapu ◽  
N. Madhavi ◽  
Y. Krishna

2011 ◽  
Vol 94-96 ◽  
pp. 490-494
Author(s):  
Bo Lv ◽  
Qi Tie Xie ◽  
Jie Xu ◽  
Tian Yuan Jiang ◽  
Yu Shun Li

Bamboo-steel composite structure contains all kinds of composite structural members, widen the applied range of bamboo and implement the diversification of component materials and forms in building structures. The paper presents a new-type box section bamboo-steel composite beams on the basis of I-section bamboo-steel composite beams, which take cold-formed thin-wall steel as the backbone, pastes bamboo plywood outer surface of steel sheet with structural adhesive, combines into box section bamboo-steel composite beams.


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