Seismic Performance of Quasi-isolated Highway Bridges in Illinois PDF Download
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Author: James M. LaFave
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 220
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Book Description
Author: James M. LaFave
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 220
Get Book Here
Book Description
Author: James M. LaFave
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 220
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Book Description
The Illinois Department of Transportation (IDOT) commonly uses elastomeric bearings to accommodate thermal deformations in bridges, and these bearings have potential utility in seismic events. IDOT has developed an Earthquake Resisting System (ERS) using the displacement capacity of typical bearings to achieve a structural response similar to isolation. Project R27-70 was conducted to validate and calibrate the quasi-isolated ERS based on full-scale laboratory tests of bearings and computational models capturing full-bridge seismic response. This volume focuses on the analytical program but also contains retainer design recommendations.
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Category :
Languages : en
Pages :
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Author: Jie Luo
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Category :
Languages : en
Pages :
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Author: James M. LaFave
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 188
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Author: James M. LaFave
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 173
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Author: Keri Lynn Ryan
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 208
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Book Description
The need to maintain the functionality of critical transportation lifelines after a large seismic event motivates the strategy to design certain bridges for performance standards beyond the minimum required by bridge design codes. To design a bridge to remain operational, one may stiffen and strengthen the load carrying members to increase the capacity, or alternatively use response modification devices such as seismic isolators to shift the dynamic characteristics of the bridge, henceforth reducing the seismic demands. Seismic isolation systems are attractive because they are directly conducive to accelerated bridge construction techniques. The two strategies are compared for a typical Utah highway bridge, using a three-span, pre-stressed concrete girder bridge that crosses Legacy Highway as a case study example.
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Category :
Languages : en
Pages :
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Author: Carlos Andres Paez Vargas
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Category :
Languages : en
Pages :
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 92
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