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DESIGN OF LONG SPAN T-SHAPED RIGID FRAME BRIDGE REINFORCED BY EXTERNAL PRESTRESS

HE Yong-jiu

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Abstract

A perpetual downward deflection of Burri Bridge on the Nile River in Khartoum has taken place to the cantilever end of the main bridge. External pre-stress method is used to reinforce the bridge. In this paper, reinforcement principle, key points and management of construction about external pre-stress technology are introduced for the same style long span bridges. In order to evaluate the effect of this method, the static behavior of a T-shaped bridge reinforced by prestressed external tendons was analysed by finite element software.

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What this paper is about

A perpetual downward deflection of Burri Bridge on the Nile River in Khartoum has taken place to the cantilever end of the main bridge. External pre-stress method is used to reinforce the bridge. In this paper, reinforcement principle, key points and management of construction about external pre-stress technology are introduced for the same style long span bridges. In order to evaluate the effect of this method, the static behavior of a T-shaped bridge reinforced by prestressed external tendons was analysed by finite element software.

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Available abstract

A perpetual downward deflection of Burri Bridge on the Nile River in Khartoum has taken place to the cantilever end of the main bridge. External pre-stress method is used to reinforce the bridge. In this paper, reinforcement principle, key points and management of construction about external pre-stress technology are introduced for the same style long span bridges. In order to evaluate the effect of this method, the static behavior of a T-shaped bridge reinforced by prestressed external tendons was analysed by finite element software.

Key concepts: Structural engineering, Rigid frame, Deflection (physics), Cantilever, Bridge (graph theory), Finite element method, Span (engineering), Prestressed concrete

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DESIGN OF LONG SPAN T-SHAPED RIGID FRAME BRIDGE REINFORCED BY EXTERNAL PRESTRESS — Research Paper | ScholarLens