Test Design of a Shaking Table Model for a Super Tall-Building with High Level Transfer Storey

Abstract eng:
A shaking table test was carried out for a 53-story super tall-building with high level transfer story in State Key Laboratory for Disaster Reduction in Civil Engineering at Tongji University. The height of the super tall-building is 250m above ground, and the central RC tube and peripheral SRC frame with two outrigger trusses are employed to resist vertical and lateral loads. According to the Technical Specifications for Concrete Structures of Tall Building (JGJ3-2002), the height of building clearly exceeds the stipulated maximum height of 190m for a composite frame/reinforced concrete core building. Besides, it belongs to B grade complex tall building due to the strengthened story and high level transfer story. A scaled model (1/30) was designed and manufactured in order to study its dynamic characteristics, seismic responses and to evaluate its capacity to withstand earthquake. The paper mainly focuses on the design work for shaking table model test and illustrates the structural system characteristics of the super tall-building in detail, model material selection, similitude-scaling relationship, model manufacture, sensors’ setup and test program. And main test results are given at last. The conclusion is that the test design of this shaking table model recommended in this paper is feasible in the test. The test design applied in model and test program design of this super-tall building will be helpful to other experimental studies.

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