BASCULE BRIDGE

BASCULE BRIDGE
Author(s):
Prajwal Thakre, Aditya Kumar Gupta, Nilesh Niraj, Faiz Yasin
Keywords:

Abstract
:An unbalanced bascule bridge having an unbalanced bridge span including a pair of longitudinal girders with a low tensional stiffness interconnected at a pivoting end by a torsionally rigid cross-girder and interconnected along a longitudinal expanse of the longitudinal girders by a steel frame which forms a closely spaced lattice for supporting a relatively thin, lightweight concrete roadway deck. The bascule bridge span is raised and lowered by an actuator assembly including a plurality of hydraulic cylinders pivotally mounted on support columns and corresponding piston rods which apply a torque to the cross-girder through crank-plates welded to the cross-girder and pivotally interconnected to a base. The cross-girder isolates the longitudinal girders from all support and reaction forces while raising and lowering the bascule bridge span. The heel of the bridge leaf is supported on the pivot pier, also called the bascule pier. A few double leaf bascule acts as single-span truss bridges, notably the railroad bridges. William scherzer is generally credit with developed the rolling lift type of bascule bridge. Counterweight may be located above
Article Details
Unique Paper ID: 146142 Publication Volume & Issue: Volume 4, Issue 11 Page(s): 1519 - 1523
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NCSEM 2024

National Conference on Sustainable Engineering and Management - 2024

Last Date: 15th March 2024

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