Long Span Pre-engineered Temporary Steel Bailey Bridge System Modular Panel Assembling Installation

Description of Steel Bailey Bridge System

A useful feature of the Bailey bridge is its ability to be launched from one side of a gap. In this system the front-most portion of the bridge is

angled up with wedges into a "launching nose" and most of the bridge is left without the roadbed and ribands. The bridge is placed on rollers

and simply pushed across the gap, using manpower or a truck or tracked vehicle, at which point the roller is removed (with the help of jacks)

and the ribands and roadbed installed, along with any additional panels and transoms that might be needed.

Specification of Steel Bailey Bridge System

The success of the Bailey bridge was due to the simplicity of the fabrication and assembly of its modular components, combined with the ability

to erect and deploy sections with a minimum of assistance from heavy equipment. Many previous designs for military bridges required cranes to

lift the pre-assembled bridge and lower it into place.

Application

Spans from 3.6m to 200m and more - for highways, railways, pathways, bicycle racks, landscaping, etc

Standardized designs - as per Indian BIS a. RC standards and codes

Heavy live loads with high overfills - capable of supporting heavy freighter aircraft and mining haulers

Smooth approaches - from earth embankments due to soil overfill, does not require any approach slab

Low life cycle costs - traffic runs on overfill and not over an exposed bridge deck

Aesthetic structures - the true arch form is accentuated.

Parts of the bridge

The basic Bailey bridge is made up of three main parts, the floor, the stringers and the side panels. The floor of the bridge is made up of a

number of 19-foot-wide transoms (5.8 m) that run across the bridge. Across the bottom of these, forming a square, are 10-foot-long stringers

(3.0 m). The bridge's strength is provided by the panels on the sides. The panels are 10-foot-long (3.0 m), 5-foot-high (1.5 m), cross-braced

rectangles. Each weighs 570 pounds (260 kg), and can be lifted by six men.

Features

Modular, pre-engineered, pre-fabricated bridge system

Standard interchangeable components

Highly adaptable, fully reusable and re-locatable

Transported in standard ISO containers

Quick and simple to build using labour

Meanwhile various standards structural steel construction ranging from Europe EU Standard, America ASTM Standard, British BS Standard, Australia AS/NZS Standard are also available.

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