scholarly journals Experimental study of deformable connection consisting of friction device and rubber bearings to connect floor system to lateral force resisting system

2017 ◽  
Vol 47 (4) ◽  
pp. 1032-1053 ◽  
Author(s):  
Georgios Tsampras ◽  
Richard Sause ◽  
Robert B. Fleischman ◽  
José I. Restrepo
Keyword(s):  
Experimental Study ◽  
Lateral Force ◽  
Rubber Bearings ◽  
Floor System

scholarly journals The earthquake and microtremor isolation floor system utilizing air springs and laminated rubber bearings.

1989 ◽  
Vol 55 (512) ◽  
pp. 847-852
Author(s):  
Akihiro KASHIWAZAKI ◽  
Motoaki TANAKA ◽  
Naoki TOKUDA ◽  
Takao ENOMOTO
Keyword(s):  
Rubber Bearings ◽  
Floor System

scholarly journals Seismic vulnerability of the Himalayan half-dressed rubble stone masonry structures, experimental and analytical studies

2012 ◽  
Vol 12 (11) ◽  
pp. 3441-3454 ◽  
Author(s):  
N. Ahmad ◽  
Q. Ali ◽  
M. Ashraf ◽  
B. Alam ◽  
A. Naeem
Keyword(s):  
Experimental Study ◽  
Seismic Vulnerability ◽  
Structural Model ◽  
Dynamic Properties ◽  
Lateral Force ◽  
Constitutive Law ◽  
Stone Masonry ◽  
Masonry Structures ◽  
Vibration Period ◽  
Analytical Studies

Abstract. Half-Dressed rubble stone (DS) masonry structures as found in the Himalayan region are investigated using experimental and analytical studies. The experimental study included a shake table test on a one-third scaled structural model, a representative of DS masonry structure employed for public critical facilities, e.g. school buildings, offices, health care units, etc. The aim of the experimental study was to understand the damage mechanism of the model, develop damage scale towards deformation-based assessment and retrieve the lateral force-deformation response of the model besides its elastic dynamic properties, i.e. fundamental vibration period and elastic damping. The analytical study included fragility analysis of building prototypes using a fully probabilistic nonlinear dynamic method. The prototypes are designed as SDOF systems assigned with lateral, force-deformation constitutive law (obtained experimentally). Uncertainties in the constitutive law, i.e. lateral stiffness, strength and deformation limits, are considered through random Monte Carlo simulation. Fifty prototype buildings are analyzed using a suite of ten natural accelerograms and an incremental dynamic analysis technique. Fragility and vulnerability functions are derived for the damageability assessment of structures, economic loss and casualty estimation during an earthquake given the ground shaking intensity, essential within the context of risk assessment of existing stock aiming towards risk mitigation and disaster risk reduction.

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