Type 321 Bailey Bridge Modular Steel Truss System with 50 Ton Load Capacity and International Certifications

Price Negotiable

Price: USD 95-450

MOQ: 1 Pcs

Delivery Time: 8-10 work days

Brand: Zhonghai Bailey Bridge

Product Description

Type 321 Bailey Bridge Overview

The Type 321 Bailey Bridge is a modular steel truss bridge system designed for rapid deployment in emergency and construction applications. Its robust engineering and international certifications make it ideal for disaster relief and temporary infrastructure projects.

Key Applications in Disaster Response

Rapid construction of rescue channels using modular prefabricated components

Critical transportation support for materials and personnel evacuation during emergencies

Temporary bridge solutions for damaged infrastructure with quick erection capabilities

High adaptability to various terrains including rivers, gullies, and obstacles

Heavy load capacity supporting crawler loads up to 50 tons and tire loads up to 30 tons

International standard certifications meeting requirements in China, United States, and Europe

Technical Specifications

CB200 Truss Press Limited Table

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

CB200 Geometric Characteristics Table (Half Bridge)

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

CB321(100) Truss Press Limited Table

No.	Internal Force	Structure Form	Not Reinforced Model	Reinforced Model
321(100)	Standard Truss Moment (kN.m)	SS/DS/TS/DDR	788.2/1576.4/2246.4/3265.4	1687.5/3375/4809.4/6750
321(100)	Standard Truss Shear (kN)	SS/DS/TS/DDR	245.2/490.5/698.9/490.5

CB321(100) Geometric Characteristics Table (Half Bridge)

Type No.	Geometric Characteristics	Structure Form	Not Reinforced Model	Reinforced Model
321(100)	Section Properties (cm³)	SS/DS/TS/DDR	3578.5/7157.1/10735.6/14817.9	7699.1/15398.3/23097.4/30641.7
321(100)	Moment of Inertia (cm⁴)	SS/DS/TS/DDR	250497.2/500994.4/751491.6/2148588.8	577434.4/1154868.8/1732303.2/4596255.2

Product Advantages

The Type 321 Bailey Bridge features simple structure design, convenient transport, speedy erection, easy disassembling, heavy loading capacity, great stability, long fatigue life, and capability for alternative span configurations.