Jumat, 28 Desember 2012

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Elastomeric Bearing Pads System

Elastomeric Bearing Pad Systems 

Elastomeric Bearing Pads System (elastomeric bearing pads or steel-reinforced elastomeric bearings) are used widely as a low cost option as well as for minimal maintenance. In elastomeric bearing components, the sole plates are important so as to resist not only compression but also flexural stresses due to bending of bridge girders and local stress concentration near the load-bearing diaphragm. In steel box and/or plate girders, the bottom flange and the sole plate may act together in dispersing concentrated stresses. In concrete girders, however, a major role of the sole plate is to spread the stresses into a finite area to make sure that the direct bearing stress acting on the concrete is within the allowable value specified. Although the sole plate is an important component of a bearing system, past studies have been focused on the elastomer or steel reinforcement in the elastomeric bearing system. No specific requirement is provided for the determination of the sole plate thickness in any standard specifications throughout the world. The behavior of the sole plates in the elastomeric bearing system has been investigated by a series of finite element analyses. Based on the analysis results, a simple design equation to determine the sole plate thickness is proposed. Finally, the reliability and rationality of the proposed equation is demonstrated through examples.

Elastomeric Bearing Pad
 

elastomeric bearing pad system detail
Elastomeric Bearing Pad System Detail


Gada Bina Usaha can produce Elastomeric Rubber Bridge Bearings Pads in accordance with all of the following international standards: 
Indonesia  SNI 03-3967-2008, and American AASHTO M 251 – 04

elastomeric bearing pads


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1 Comments

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Very informative blog! Elastomeric bearings are manufactured for the easier to install in building and bridge construction. Get more details at Datonginc.com from China which provides all the construction oriented bearings, joint and barriers online.

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Elastomeric Bearing Pad

Elastomeric Bearing Pad
Bearing Pad