321-Type TSR Bailey Bridge Manufacturer Galvanized Corten Steel Bridge

Product Specification

Best Discount Bailey Bridge/hot-sale Bailey Bridge

The 321-type Bailey bridge has a wide range of applications in a variety of special scenarios due to its simple structure, convenient transportation, quick erection, large load capacity, good interchangeability, and strong adaptability. The following are some specific application scenarios:

Disaster Rescue
- **Quick Restoration of Traffic**: After a natural disaster (such as an earthquake, flood, etc.), the 321-type Bailey bridge can be quickly built to provide a temporary passage for the transportation of relief supplies and the evacuation of personnel. For example, during the 2008 Wenchuan earthquake, a large number of 321-type Bailey bridges were used for disaster rescue, ensuring the forward transportation of earthquake relief supplies, the evacuation of the wounded, and the evacuation of the masses.
- **Adaptability to Complex Terrain**: The 321-type Bailey bridge has light components, is easy to disassemble and assemble, and has strong adaptability. It can be quickly erected in complex terrains such as mountainous areas and rivers to meet emergency needs in different scenarios.

Traffic Engineering
- **Temporary Bridge**: During road construction, the 321-type Bailey bridge can be used as a temporary bridge to ensure smooth traffic during construction. For example, in some large-scale highway construction projects, the 321-type Bailey bridge is used to cross obstacles such as rivers and gullies to facilitate the passage of construction vehicles and personnel.
- **Emergency channel**: In the case of traffic congestion or road interruption, the 321-type Bailey bridge can be quickly built and used as an emergency channel to relieve traffic pressure.

### Municipal water conservancy project
- **Construction bridge**: In municipal water conservancy projects, the 321-type Bailey bridge can be used to build a construction bridge to facilitate the passage of construction personnel and equipment and improve construction efficiency. For example, in some large-scale water conservancy projects, the 321-type Bailey bridge is used to cross rivers or ditches to facilitate construction.
- **Temporary support structure**: The components of the 321-type Bailey bridge can also be used to construct temporary support structures such as construction towers and support frames to meet various construction needs in municipal water conservancy projects.

Dangerous bridge reinforcement
- **Temporary reinforcement measures**: For some old or damaged bridges, the 321-type Bailey bridge can be used as a temporary reinforcement measure to ensure the safety of traffic during the repair or reconstruction of the bridge.

Military use
- **Quick erection of temporary bridges**: The 321-type Bailey bridge was originally designed for military purposes and is used for temporary bridge construction during war. It can be quickly deployed to allow troops and supplies to pass through.
- **Temporary facilities on the battlefield**: In addition to bridge construction, the components of the 321-type Bailey bridge can also be used to build the frame structure of temporary facilities such as field hospitals and command posts.

Other special scenes
- **Temporary passages for large-scale events**: In some large-scale events (such as concerts, sports events, etc.), the 321-type Bailey bridge can be used to build temporary passages or stands to meet the needs of personnel during the event.
- **Film and television shooting**: In film and television shooting, the components of the 321-type Bailey bridge can be used to build scene supports to facilitate shooting.

In summary, the Type 321 Bailey Bridge has been widely used in disaster rescue, transportation engineering, municipal water conservancy projects, dangerous bridge reinforcement, military use and other special scenarios due to its multiple advantages, and can meet the diverse needs in different scenarios.

Specifications:

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CB321(100) Truss Press Limited Table
No.	Lnternal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Standard Truss Moment(kN.m)	788.2	1576.4	2246.4	3265.4	1687.5	3375	4809.4	6750
321(100)	Standard Truss Shear (kN)	245.2	490.5	698.9	490.5	245.2	490.5	698.9	490.5
321 (100) Table of geometric characteristics of truss bridge(Half bridge)
Type No.	Geometric Characteristics	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Section properties(cm3)	3578.5	7157.1	10735.6	14817.9	7699.1	15398.3	23097.4	30641.7
321(100)	Moment of inertia(cm4)	250497.2	500994.4	751491.6	2148588.8	577434.4	1154868.8	1732303.2	4596255.2

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CB200 Truss Press Limited Table
NO.	Internal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	QS	SSR	DSR	TSR	QSR
200	Standard Truss Moment(kN.m)	1034.3	2027.2	2978.8	3930.3	2165.4	4244.2	6236.4	8228.6
200	Standard Truss Shear (kN)	222.1	435.3	639.6	843.9	222.1	435.3	639.6	843.9
201	High Bending Truss Moment(kN.m)	1593.2	3122.8	4585.5	6054.3	3335.8	6538.2	9607.1	12676.1
202	High Bending Truss Shear(kN)	348	696	1044	1392	348	696	1044	1392
203	Shear Force of Super High Shear Truss(kN)	509.8	999.2	1468.2	1937.2	509.8	999.2	1468.2	1937.2

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CB200 Table of Geometric Characteristics of Truss Bridge(Half Bridge)
Structure	Geometric Characteristics
	Geometric Characteristics	Chord Area(cm2)	Section Properties(cm3)	Moment of Inertia(cm4)
ss	SS	25.48	5437	580174
	SSR	50.96	10875	1160348
DS	DS	50.96	10875	1160348
	DSR1	76.44	16312	1740522
	DSR2	101.92	21750	2320696
TS	TS	76.44	16312	1740522
	TSR2	127.4	27185	2900870
	TSR3	152.88	32625	3481044
QS	QS	101.92	21750	2320696
	QSR3	178.36	38059	4061218
	QSR4	203.84	43500	4641392

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Advantage

Possessing the features of simple structure,
convenient transport, speedy erection
easy disassembling,
heavy loading capacity,
great stability and long fatigue life
being capable of an alternative span, loading capacity