ZL321 Type Emergency Prefabricated Bridge

Net Width of Bridge Deck: 3.7m

Bridge Passage Length: 9 – 63m (increasing by 3 meters)

Bridge Truss Height: 1.4m

Product Introduction

It is a decomposable, quickly erectable emergency standard steel bridge composed of steel components, used for crossing terrain obstacles or emergency repair and opening. It can form temporary bridges, emergency bridges and fixed bridges of various types and uses according to the actual needs of different spans and traffic loads. A set of equipment can be used to erect single – lane bridges with spans of 9, 12, 15… 60, 63 meters and a carriageway width of 3.7 meters, which can bear the loads of car class 10, car class 15, car class 20, crawler class 50 and trailer class 80.

Product Highlights

Flexible Assembly

10 combination forms, bridge length of 9 – 63m, super strong rescue adaptability: 3 – meter incremental span, can form temporary bridges, emergency bridges and fixed bridges of various types and uses according to the actual needs of different spans and traffic loads.

Good Passability

The width of the carriageway is 3.7 meters, and it can bear the loads of car class 10, car class 15, car class 20, crawler class 50 and trailer class 80.

All – steel Component Structure, Simple Maintenance

It is made of high – strength steel by full welding, and the truss units are connected by single pins or bolts; it has large bearing capacity, strong structural rigidity and long fatigue life; the structure is simple, the components are light and easy to transport; the combination is flexible, the erection is fast, and the disassembly and assembly are convenient; the interchangeability is good, and the components can be reused.

Technical Parameters

PerformanceUnitParameter
Net Width of Bridge Deckm3.7
Bridge Passage Lengthm9 – 63 (increasing by 3 meters)
Bridge Truss Heightm1.4
Bridge Deck/Steel Bridge Deck
Bridge Combination Form/Single – row single – layer, double – row single – layer, three – row single – layer, double – row double – layer, three – row double – layer, and corresponding reinforced types
Bridge Bearing CapacitytDifferent span combinations can withstand loads of automobile class 10, automobile class 15, automobile class 20, crawler class 50, and trailer class 80
Passabilitykm/h30 (automobile) / 5 (crawler) / 5 (trailer)
The ratio of the maximum vertical deflection at the mid – span of 21m double – row single – layer to the span is less than/1/300
Trusskg270
Truss Pinkg3
Reinforced Chordkg80
Crossbeamkg245
U – type Standard Steel Bridge Deckkg210
U – type Central Steel Bridge Deckkg130
Male End Columnkg69
Female End Columnkg70
U – type Bridge Head Slabkg220