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Dong H.,Beijing University of Technology | Shen S.,Beijing University of Technology | Cao W.,Beijing University of Technology | Zhang J.,Beijing University of Technology | Wang L.,Dalian Architectural Design and Research Institute
World Information on Earthquake Engineering | Year: 2013

According to the structural design characteristics of Dalian International Conference Center, two mild steel energy dissipation joint specimens with arc-shaped contact plate were designed. The horizontal cyclic loading test was carried out for 1:1 scaled joint specimens with different working parameters in order to investigate the seismic performance. Based on the experiment, the load-carrying capacity, stiffness and its deteriorative behavior, hysteretic behavior, ductility, energy dissipation and failure mode of two specimens were discussed. Calculation method for load-carring capacity of the mild steel energy dissipation joint is given and the results agree well with the experimental results. The test results show that the joint specimen with mild steel contact plate of thickness 18mm has stronger deformability and higher energy dissipation capacity.


Wang J.,Beijing University of Technology | Wang J.,Key Laboratory of Urban Security and Disaster Engineering | Cao W.,Beijing University of Technology | Cao W.,Key Laboratory of Urban Security and Disaster Engineering | And 3 more authors.
World Information on Earthquake Engineering | Year: 2010

The structure of Dalian Conference Center is composed of some composite core walls with concrete filled steel tube ( CFT) column borders. So one of the key technologies is ensuring the anchorage reliability between the CFT column and the concrete foundation. In this paper, two 1/5 scale specimens of CFT column base embedded in concrete reinforced foundation were made based on engineering structures and tested under uniaxial repeated loading. Through the experiments, the effect of embedded depth on bearing capacity and ductility is studied. Tested results show that increasing embedded depth may effectively improve the anchorage performance of the CFT column base. The construction methods in engineering can meet design requirements, and the anchorage performance is reliable.


Cao W.-L.,Beijing University of Technology | Wang J.,China Architecture Design and Research Group | Zhang J.-W.,Beijing University of Technology | Wang L.-C.,Dalian Architectural Design and Research Institute | Dong H.-Y.,Beijing University of Technology
Beijing Gongye Daxue Xuebao/Journal of Beijing University of Technology | Year: 2013

A 1/7 scale composite core wall specimen designed from a pratical engineering was tested under low-frequency cyclic loading. The hysteretic characteristics, load-carrying capacity, ductility, stiffness and its degradation process, failure pattern of the specimen were analyzed based on the test. The related anti-seismic constructional measures were given after the weakness part of the specimen was analyzed. The results show that the load-carrying capacity and the ductility of the core walls could be improved greatly by combining the STRC columns as the borders and concealed steel trusses in the walls.


Cao W.,Beijing University of Technology | Guan M.,Beijing University of Technology | Wang L.,Dalian Architectural Design and Research Institute | Dong H.,Beijing University of Technology | Zhang J.,Beijing University of Technology
Journal of Earthquake Engineering and Engineering Vibration | Year: 2011

The flat concrete filled steel tube column with gambrel has been used in the curtain wall column at the project of Dalian International Conference Center. Two 1 /3 scaled specimens were designed according to the actual project and tested under the cyclic loading. One of the specimens was the ordinary flat concrete filled steel tube column with gambrel and the other was the flat multi - cavity concrete filled steel tube column with gambrel. Bearing capacity, stiffness, ductility and failure characters of the two specimens were analyzed and compared. The results show that: compared with the flat ordinary concrete filled steel tube column with gambrel , the flat multi - cavity concrete filled steel tube column with gambrel has higher seismic energy dissipation capacity and better ductility, and it can be applied in the practical engineering project.


Chen K.,China Academy of Building Research | Xiao C.,China Academy of Building Research | Jin X.,China Academy of Building Research | Fu L.,China Academy of Building Research | Wang L.,Dalian Architectural Design and Research Institute
Tumu Gongcheng Xuebao/China Civil Engineering Journal | Year: 2012

Taking the 436m high Dalian International Trade Center as an example, a time-domain analysis method was introduced to obtain the 3D equivalent static wind load (ESWL) of super high-rise buildings. With the adoption of the Generalized Coordinates Synthesis and the equivalent wind-induced force methods, the displacement and equivalent wind load time history at each floor were derived from the wind pressure test. Subsequently the equivalent target was determined by the extreme statistical theory and cross-correlation analysis. The best match with the target in the equivalent wind load time history could be identified as the ESWL. Such ESWL was a combination of the wind load in different directions and the space correlation of the wind load was included naturally. Under the action of the ESWL, the predefined target was achieved and the corresponding response would also be close to its extreme values. Benefitting from the high-efficiency Generalized Coordinates Synthesis method, the calculation burden of such analysis was lower than the traditional CQC (Complete Quadratic Combination) method without loss of accuracy. This approach was verified by an analysis of the example. The results showed that the wind from a small angle with the strong axis resulted in the maximum response and the ESWL along the weak axis because of the prominent across-wind vibration.

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