Bitumen and bituminous binders. Bituminous emulsions, fluxed and cut-back bitumen factory production control

2005 ◽  
Keyword(s):  
Production Control ◽  
Factory Production ◽  
Bituminous Binders

Dynamic properties of the isolators used in the Green Museum Library (Taiwan)

2021 ◽  
Author(s):  
Ivan Marenda ◽  
Agostino Marioni ◽  
Roberto Dalpedri ◽  
Marco Banfi
Keyword(s):  
Scale Effect ◽  
Seismic Isolation ◽  
Production Control ◽  
Dynamic Properties ◽  
Friction Material ◽  
Curved Surface ◽  
Natural Period ◽  
Response Data ◽  
Factory Production ◽  
Friction Pendulum

<p>Over the last decades seismic isolation technology has got a foothold in the structural protection increasing both the damping and the natural period of the superstructure. The curved surface sliding isolator is one of the most common devices used to aim at this goal. It features a special friction material (HIM) able to dissipate a very large amount of energy while, the recentring capacity is given by the pendulum effect. This kind of isolator has been used in the Green Museum Palace (Taiwan). The constancy of its behaviour has been investigated in ShakeLab (Italy), testing 100% of the Friction Pendulum devices in factory production control. In this paper, response data from FPC tests on seven types of Friction Pendulum devices are illustrated. These data show the constancy of the performance of the isolators subjected to design conditions. Furthermore, scale effect in dynamic properties has been studied because of different size isolators have been taken into account.</p>

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