3D Temporal Characteristics of Scale Model Responses in Shaking Table Test

2010 ◽  
Vol 163-167 ◽  
pp. 3977-3980
Author(s):  
Yan Ru Wang ◽  
Mao Yu Zhang ◽  
Jun Wu Dai ◽  
Mai Tong ◽  
George C. Lee
Keyword(s):  
Velocity Vector ◽  
Shaking Table Test ◽  
Shaking Table ◽  
Scale Model ◽  
Euclidean Norm ◽  
Temporal Characteristics ◽  
High Rise ◽  
Acceleration Vector ◽  
Tangential Acceleration ◽  
Normal Acceleration

In this paper, we present the analysis on 3D temporal characteristics of a scale model for high-rise structure. Based on the parameter of instantaneous tangential acceleration aT, normal acceleration aN, Euclidean norm of acceleration vector |a|, Euclidean norm of velocity vector |v|, temporal curvature κ, κt, Some interesting relationships and information in depth between them would be obtain.

scholarly journals Shaking Table Model Test and Seismic Performance Analysis of a High-Rise RC Shear Wall Structure

2019 ◽  
Vol 2019 ◽  
pp. 1-17 ◽  
Author(s):  
Shujin Li ◽  
Cai Wu ◽  
Fan Kong
Keyword(s):  
Seismic Performance ◽  
Model Test ◽  
Shaking Table Test ◽  
Technical Specification ◽  
Shaking Table ◽  
Scale Model ◽  
Wall Structure ◽  
High Rise ◽  
Table Model ◽  
Shaking Table Model Test

A building developed by Wuhan Shimao Group in Wuhan, China, is a high-rise residence with 56 stories near the Yangtze River. The building is a reinforced concrete structure, featuring with a nonregular T-type plane and a height 179.6 m, which is out of the restrictions specified by the China Technical Specification for Concrete Structures of Tall Building (JGJ3-2010). To investigate its seismic performance, a shaking table test with a 1/30 scale model is carried out in Structural Laboratory in Wuhan University of Technology. The dynamic characteristics and the responses of the model subject to different seismic intensities are investigated via the analyzing of shaking table test data and the observed cracking pattern of the scaled model. Finite element analysis of the shaking table model is also established, and the results are coincident well with the test. An autoregressive method is also presented to identify the damage of the structure after suffering from different waves, and the results coincide well with the test and numerical simulation. The shaking table model test, numerical analysis, and damage identification prove that this building is well designed and can be safely put into use. Suggestions and measures to improve the seismic performance of structures are also presented.

Earthquake induced floor accelerations on a high-rise building: Scale model tests on a shaking table

2021 ◽  
Author(s):  
Fabio Rizzo ◽  
Alessandro Pagliaroli ◽  
Giuseppe Maddaloni ◽  
Antonio Occhiuzzi ◽  
Andrea Prota
Keyword(s):  
Soil Structure ◽  
Shaking Table ◽  
Soil Structure Interaction ◽  
Scale Model ◽  
Structural Elements ◽  
Shaking Table Tests ◽  
Building Model ◽  
High Rise ◽  
High Rise Building ◽  
Story Building

<p>The paper discusses results of shaking table tests on an in-scale high-rise building model. The purpose was to calibrate a dynamic numerical model for multi-hazard analyses to investigate the effects of floor acceleration. Accelerations, because of vibration of non-structural elements, affect both the comfort and safety of people. The research investigates the acceleration effects of both seismic and wind forces on an aeroelastic in-scale model of a multi-story building. The paper discusses the first phase of experiments and gives results of floor accelerations induced by several different base seismic impulses. Structural analyses were first performed on the full-scale prototype to take soil-structure interaction into account. Subsequently the scale model was designed through aeroelastic scale laws. Shaking table experiments were then carried out under different base accelerations. The response of the model and, in particular, amplification of effects from base to top are discussed.</p>

scholarly journals Investigation of Non-fully Similar Laws of Damage to an Arch Dam in Shaking Table Model Tests

2020 ◽  
Vol 12 (11) ◽  
pp. 168781402097449
Author(s):  
Qiang Xu ◽  
Jianyun Chen ◽  
Bo Liu ◽  
Jing Li
Keyword(s):  
Crack Propagation ◽  
Shaking Table Test ◽  
Arch Dam ◽  
Shaking Table ◽  
Scale Model ◽  
Similar Relationship ◽  
Prototype Structure ◽  
The Relationship ◽  
Elastic Stage ◽  
Propagation Stage

In order to overcome the defect that the general shaking table test can’t clarify the scale relationship between the prototype structure and the scale model in the damaged area based on the fully similar laws, we derived a method that can analyze the relationship between the prototype structure and the scale model in the damaged area based on non-fully similar lows and verified it. We selected the appropriate material (the emulation concrete material, ECM), which has a good scale relationship with the prototype material in the elastic stage, the crack appearance stage, and crack propagation stage (damage stage). We proposed some similar ratios to reveal the similar relationship between the prototype structure and the scale model in the elastic stage, the crack appearance stage, and the crack propagation stage. Especially, we proposed two similar ratios: cr and hr (deduced by the fracture toughness similarity requirements and the fracture energy similarity requirements, respectively) which can well reflect the similar relationship between the prototype structure and the scale model in the damaged area. In order to verify these ratios, we compared the results of the prototype structure numerical simulation with those of the shaking table test of the scale model. The results show that hr has higher accuracy for predicting the relationship between the prototype structure and the scale model in the damaged area.

Mechanical Behavior Research of a High-Rise Hybrid Structure Based on Shaking Table Test

2012 ◽  
Vol 487 ◽  
pp. 613-616
Author(s):  
Ying Zhou ◽  
Jian Yu
Keyword(s):  
Earthquake Engineering ◽  
Shaking Table Test ◽  
Design Method ◽  
Tall Buildings ◽  
Hybrid Structure ◽  
Steel Frame ◽  
Shaking Table ◽  
Scale Model ◽  
Concrete Core ◽  
Prototype Structure

In order to establish the systematic design method of performance-based earthquake engineering for steel-concrete hybrid structure tall buildings, a 1/15 scale model shaking table test is conducted in State Key Laboratory for Disaster Reduction in Civil Engineering of Tongji University. The dynamic property, acceleration and displacement response of the model structure under different earthquake levels are investigated from the test. The failure mode of structure is analyzed and the seismic response of the prototype structure is interpreted according to the similitude relation. The conclusions drawn from this investigation show that the prototype structure can basically satisfy the requirements of no damage under frequent earthquakes and no collapse under rare earthquakes; steel frame- concrete core structural system has good seismic performance under rare earthquake; and the damage of the connection between the steel frame beam and the core wall is the main failure pattern of the structure.

A substructure shaking table test for reproduction of earthquake responses of high-rise buildings

2009 ◽  
Vol 38 (12) ◽  
pp. 1381-1399 ◽  
Author(s):  
Xiaodong Ji ◽  
Kouichi Kajiwara ◽  
Takuya Nagae ◽  
Ryuta Enokida ◽  
Masayoshi Nakashima
Keyword(s):  
Shaking Table Test ◽  
Shaking Table ◽  
High Rise

Shaking Table Test on Unreinforced Stone Masonry Pagoda

2012 ◽  
Vol 166-169 ◽  
pp. 730-733 ◽  
Author(s):  
Fei Zhu ◽  
Feng Lai Wang ◽  
Xu Jie Sun ◽  
Y. Zhao
Keyword(s):  
Dynamic Behavior ◽  
Seismic Performance ◽  
Seismic Design ◽  
Shaking Table Test ◽  
Shaking Table ◽  
Cultural Value ◽  
Scale Model ◽  
Stone Masonry ◽  
Experimental Program ◽  
Ancient China

Unreinforced stone masonry pagodas have great cultural value and should be detailed investigation its mechanical properties. These buildings were not designed to resist earthquakes in ancient China, at least not in the way of current methods. The objectives of this research were to understand the dynamic behavior of unreinforced stone masonry pagoda and its seismic performance. To accomplish these, a 1/12 scale model of China Dinosaurs Pagoda was constructed and tested on shaking table. The octangle model height is 3.96m, with aspect ratio of height to width is 2.93, both parameters exceed the stipulated limit of Code for Seismic Design of Building. The model built with the stones and motars similar to the prototype materials and the arrangements. Its dynamic behavior and seismic performance were tested on the shaking table towards the free vibration and three earthquake waves. The experimental program adopted in the research is explained in this paper.

scholarly journals Shaking Table Test Using Full-scale Model for Lateral Resistance Force of Ballasted Tracks During Earthquake

2016 ◽  
Vol 143 ◽  
pp. 1100-1107 ◽  
Author(s):  
Takahisa Nakamura ◽  
Yoshitsugu Momoya ◽  
Kiyonori Nomura ◽  
Yabunaka Yoshihiko
Keyword(s):  
Shaking Table Test ◽  
Full Scale ◽  
Shaking Table ◽  
Scale Model ◽  
Resistance Force ◽  
Lateral Resistance

Seismic Performance Evaluation of a High-Rise Building with Lapping Transfer Columns by Shaking Table Tests

2010 ◽  
Vol 163-167 ◽  
pp. 1281-1285
Author(s):  
Bin Wang ◽  
Huan Jun Jiang ◽  
Jian Bao Li ◽  
Wen Sheng Lu ◽  
Xi Lin Lu
Keyword(s):  
Seismic Performance ◽  
Shaking Table Test ◽  
Dynamic Properties ◽  
Shaking Table ◽  
Vertical Force ◽  
Scaled Model ◽  
Seismic Performance Evaluation ◽  
High Rise ◽  
High Rise Building ◽  
Global And Local

The reinforced concrete (RC) frame-tube structure considered in the study has two towers with lapping transfer columns. The lapping transfer columns, considering aesthetic requirement in elevation, lead to a complex vertical force transfer system. The large irregularity in elevation, according to Chinese code, necessitates a detailed study. A 1/15-scaled model of the high-rise building was tested on a shaking table to evaluate its seismic performance. The model was subjected to earthquake inputs representing frequent, basic, rare, and extremly rare earthquakes. The results of shaking table test in terms of the global and local responses as well as the dynamic properties are presented. The tests demonstrate that the designed structural system satisfies the pre-defined performance objectives and the lapping transfer columns have good seismic peformance. To better control seismic damages of the building, some suggestions for improving the design of this structure are also put forward at last.

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