Quasi-static testing of railway rounded rectangular hollow tall piers having semi-hinged column-base details

2022 ◽  
Vol 250 ◽  
pp. 113403
Author(s):  
Jian Zhou ◽  
Jianzhong Li ◽  
Yu Shen
Keyword(s):  
Static Testing ◽  
Column Base

Seismic retrofit method of the column base of over-track building

2002 ◽  
Vol 86 (12) ◽  
pp. 45-52
Author(s):  
Atsushi Hayashi ◽  
Katsuhiko Osako ◽  
Tsuneo Hasuda ◽  
Tsutomu Hoshikawa
Keyword(s):  
Seismic Retrofit ◽  
Column Base

Load Testing to Collapse Limit State of Barr Creek Bridge

2000 ◽  
Vol 1696 (1) ◽  
pp. 92-102 ◽  
Author(s):  
Nicholas Haritos ◽  
Anil Hira ◽  
Priyan Mendis ◽  
Rob Heywood ◽  
Armando Giufre
Keyword(s):  
Finite Element ◽  
Failure Modes ◽  
Flexural Rigidity ◽  
Load Capacity ◽  
Limit State ◽  
Dynamic Test ◽  
Service Condition ◽  
Flat Slab ◽  
Testing Program ◽  
Static Testing

VicRoads, the road authority for the state of Victoria, Australia, has been undertaking extensive research into the load capacity and performance of cast-in-place reinforced concrete flat slab bridges. One of the key objectives of this research is the development of analytical tools that can be used to better determine the performance of these bridges under loadings to the elastic limit and subsequently to failure. The 59-year-old Barr Creek Bridge, a flat slab bridge of four short continuous spans over column piers, was made available to VicRoads in aid of this research. The static testing program executed on this bridge was therefore aimed at providing a comprehensive set of measurements of its response to serviceability level loadings and beyond. This test program was preceded by the performance of a dynamic test (a simplified experimental modal analysis using vehicular excitation) to establish basic structural properties of the bridge (effective flexural rigidity, EI) and the influence of the abutment supports from identification of its dynamic modal characteristics. The dynamic test results enabled a reliably tuned finite element model of the bridge in its in-service condition to be produced for use in conjunction with the static testing program. The results of the static testing program compared well with finite element modeling predictions in both the elastic range (serviceability loadings) and the nonlinear range (load levels taken to incipient collapse). Observed collapse failure modes and corresponding collapse load levels were also found to be predicted well using yield line theory.

Using composite yield mechanism to mitigate seismic damage to exposed steel column base connections

2021 ◽  
Vol 232 ◽  
pp. 111877
Author(s):  
Yao Cui ◽  
Fengzhi Wang ◽  
Cancan Yang ◽  
Hao Li ◽  
Yangzi He
Keyword(s):  
Seismic Damage ◽  
Steel Column ◽  
Base Connections ◽  
Column Base

Performance-based assessment of seismic-resilient steel moment resisting frames equipped with innovative column base connections

Structures ◽  
2021 ◽  
Vol 32 ◽  
pp. 1646-1664
Author(s):  
Elena Elettore ◽  
Annarosa Lettieri ◽  
Fabio Freddi ◽  
Massimo Latour ◽  
Gianvittorio Rizzano
Keyword(s):  
Steel Moment Resisting Frames ◽  
Moment Resisting Frames ◽  
Performance Based Assessment ◽  
Moment Resisting ◽  
Base Connections ◽  
Column Base

Behavior of exposed column-base connections with four internal anchor bolts under seismic loading

Structures ◽  
2021 ◽  
Vol 34 ◽  
pp. 105-119
Author(s):  
Jianrong Pan ◽  
Ruike Huang ◽  
Jing Xu ◽  
Peng Wang ◽  
Zhan Wang ◽  
...  
Keyword(s):  
Seismic Loading ◽  
Anchor Bolts ◽  
Base Connections ◽  
Column Base

scholarly journals A detailed study on design, fabrication, analysis, and testing of the anti-roll bar system for formula student cars

2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Sachin Sunil Kelkar ◽  
Puneet Gautam ◽  
Shubham Sahai ◽  
Prajwal Sanjay Agrawal ◽  
R. Manoharan
Keyword(s):  
Material Selection ◽  
Analytical Calculation ◽  
Element Analysis ◽  
Static Testing ◽  
Shaft Diameter ◽  
Manufacturing Accuracy ◽  
Suspension Geometry ◽  
Aluminum 7075 ◽  
The One ◽  
Error Percentage

AbstractThis study explains a coherent flow for designing, manufacturing, analyzing, and testing a tunable anti-roll bar system for a formula student racecar. The design process starts with the analytical calculation for roll stiffness using constraining parameters such as CG (Center of Gravity) height, total mass, and weight distribution in conjunction with suspension geometry. Then, the material selection for the design i.e. Aluminum 7075 T6 is made based on parameters such as density and modulus of rigidity. A MATLAB program is used to iterate deflection vs load for different stiffness and shaft diameter values. This is then checked with kinematic deflection values in Solidworks geometry. To validate with the material deflection, finite element analysis is performed on ANSYS workbench. Manufacturing accuracy for the job is checked using both static analysis in lab settings and using sensors on vehicles during on-track testing. The error percentage is found to be 4% between the target stiffness and the one obtained from static testing. Parameters such as moment arm length, shaft diameter and length, and deflection were determined and validated. This paper shows the importance of an anti-roll bar device to tune the roll stiffness of the car without interfering with the ride stiffness.

Experimental evaluation of column base connections composed by different grout types subject to shear

2021 ◽  
Vol 120 ◽  
pp. 105090
Author(s):  
Laura Maria Paes de Abreu ◽  
Hermes Carvalho ◽  
Ricardo Hallal Fakury ◽  
Francisco Carlos Rodrigues ◽  
Rodrigo Barreto Caldas
Keyword(s):  
Experimental Evaluation ◽  
Base Connections ◽  
Column Base
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