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Modeling the Coupled Cyclic Translat...

Nojoumi, Seyedali.

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Modeling the Coupled Cyclic Translational and Rotational Responses of Skew Bridge Abutment Backfills.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Modeling the Coupled Cyclic Translational and Rotational Responses of Skew Bridge Abutment Backfills./
Author:	Nojoumi, Seyedali.
Description:	114 p.
Notes:	Source: Dissertation Abstracts International, Volume: 77-06(E), Section: B.
Contained By:	Dissertation Abstracts International77-06B(E).
Subject:	Civil engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3746204
ISBN:	9781339394633

Modeling the Coupled Cyclic Translational and Rotational Responses of Skew Bridge Abutment Backfills.
Nojoumi, Seyedali.

Modeling the Coupled Cyclic Translational and Rotational Responses of Skew Bridge Abutment Backfills. - 114 p.

Source: Dissertation Abstracts International, Volume: 77-06(E), Section: B.

Thesis (Ph.D.)--University of California, Los Angeles, 2016.

Abutments are bridge-supporting structures at the interface of the bridge deck and the soil embankment. During strong seismic events, longitudinal motion of the bridge causes a collision between the deck and the abutment backwall---which is lightly reinforced and is designed to break---and plastic deformations are induced in the backfill. This mechanism is intended to dissipate energy, and concentrate or limit the seismic damage to the abutments (Caltrans SDC, 2010). Reversals of inertial forces can cause the deck to unseat from the abutment, and thus, sufficient seat length is required. Seat type abutments also feature exterior shear keys that are used to counter possible transverse deck movements. They are proportioned and detailed to act as fuses that will break off under the design earthquake (Kaviani et al., 2014).

ISBN: 9781339394633Subjects--Topical Terms:

860360
Civil engineering.

Modeling the Coupled Cyclic Translational and Rotational Responses of Skew Bridge Abutment Backfills.
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245 1 0 $a Modeling the Coupled Cyclic Translational and Rotational Responses of Skew Bridge Abutment Backfills.
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500 $a Source: Dissertation Abstracts International, Volume: 77-06(E), Section: B.
500 $a Adviser: Ertugrul Taciroglu.
502 $a Thesis (Ph.D.)--University of California, Los Angeles, 2016.
520 $a Abutments are bridge-supporting structures at the interface of the bridge deck and the soil embankment. During strong seismic events, longitudinal motion of the bridge causes a collision between the deck and the abutment backwall---which is lightly reinforced and is designed to break---and plastic deformations are induced in the backfill. This mechanism is intended to dissipate energy, and concentrate or limit the seismic damage to the abutments (Caltrans SDC, 2010). Reversals of inertial forces can cause the deck to unseat from the abutment, and thus, sufficient seat length is required. Seat type abutments also feature exterior shear keys that are used to counter possible transverse deck movements. They are proportioned and detailed to act as fuses that will break off under the design earthquake (Kaviani et al., 2014).
590 $a School code: 0031.
650 4 $a Civil engineering. $3 860360
650 4 $a Geotechnology. $3 1018558
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710 2 $a University of California, Los Angeles. $b Civil Engineering. $3 2103992
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856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3746204