Multi Span Steel Bailey Bridge Q235 Secondary Steel prefab driveway bridge

Steel Bailey Bridge Made In China/multi Span Steel Bailey Bridge

Jiangsu Zhonghai Bridge Equipment Co., Ltd. has made remarkable achievements in innovative technologies for Bailey bridges, which not only improve the quality and performance of products, but also enhance the company's competitiveness in the market. The following are several key innovative technologies of the company in the field of Bailey bridges:

1. **Automatic welding robot technology**
Jiangsu Zhonghai Bridge Equipment Co., Ltd. is the first domestic enterprise to realize fully automatic welding of Bailey bridges. By introducing automatic welding robot technology, the company not only improves production efficiency, but also significantly reduces human errors, so that the welding accuracy is controlled within 0.3 mm. This high-precision welding technology ensures the stability and consistency of product quality, further consolidating its leading position in the industry.

2. **Application of high-strength steel**
The company uses high-strength steel to manufacture Bailey bridges, which not only improves the structural strength and durability of the bridge, but also reduces the dead weight of the bridge. The application of high-strength steel enables Bailey bridges to withstand greater loads, while reducing the use of materials, reducing production costs and environmental impact.

3. **New Bailey Beam Design**
Jiangsu Zhonghai Bridge Equipment Co., Ltd. has developed new Bailey beams, such as the Super Bailey Beam. This new Bailey beam has significantly improved its bearing capacity, stiffness and stability. Compared with traditional Bailey beams, the Super Bailey Beam has an 88% higher bending bearing capacity and a 113% higher shear bearing capacity, which can better meet the needs of large bridge construction.

4. **Modular Design and Rapid Assembly**
The Bailey bridge adopts a modular design, and each component can be prefabricated in the factory and then transported to the construction site for rapid assembly. This design greatly shortens the construction period, making the Bailey bridge an ideal choice for emergency situations and rapid construction projects. The modular design also improves the versatility and interchangeability of the bridge, facilitating the disassembly and reuse of the bridge.

5. **Intelligent and Information Technology**
The company has introduced intelligent and information technology to achieve intelligent management and maintenance of Bailey bridges through the Internet of Things and big data technology. The application of this technology not only improves the management efficiency of the bridge, but also monitors the health of the bridge in real time, detects potential problems in a timely manner, and ensures the safe operation of the bridge.

6. **Environmental protection and economic advantages**
Jiangsu Zhonghai Bridge Equipment Co., Ltd. focuses on the dual advantages of environmental protection and economy. The modular design of Bailey bridges reduces construction waste during construction and reduces the impact on the environment. At the same time, the characteristics of rapid installation and disassembly reduce construction period and labor costs, saving money for the project.

Through these innovative technologies, Jiangsu Zhonghai Bridge Equipment Co., Ltd. not only improves the quality and performance of Bailey bridges, but also sets new standards for the bridge construction industry. The application of these technologies has enabled the company to win wide recognition and praise in domestic and foreign markets.

Specifications:

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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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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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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

Introduction to Jiangsu Zhonghai Bridge Equipment Co., Ltd.
Jiangsu Zhonghai Bridge Equipment Co., Ltd., established in 2010, is a high-tech enterprise specializing in the research, development, manufacturing, and sales of bridge equipment. With a registered capital of 55 million yuan, the company boasts a modern production base and advanced manufacturing facilities, achieving an annual output exceeding 60,000 tons. Its products are widely used in major bridge projects and transportation infrastructure construction both domestically and internationally.
The company consistently prioritizes technological innovation, supported by a skilled R&D team and long-term collaborations with renowned universities and research institutions. By continuously adopting and assimilating international advanced technologies, the company has achieved remarkable results in the fields of bridge steel structures, bridge construction equipment, and bridge inspection equipment. Multiple products have obtained national patent certifications and have been awarded provincial and municipal science and technology progress prizes.
In terms of production management, the company strictly adheres to the ISO9001 quality management system to ensure stable and reliable product quality. With exquisite craftsmanship and a rigorous approach, the company’s products have earned an excellent reputation in the market, serving clients across the country and exporting to regions such as Southeast Asia, the Middle East, and Africa.
Jiangsu Zhonghai Bridge Equipment Co., Ltd. adheres to the business philosophy of “Quality First, Service Excellence,” committed to providing high-quality products and comprehensive services to its clients. Looking ahead, the company will continue to increase investment in R&D, enhance its core competitiveness, and contribute to the development of China’s bridge construction industry, striving to become a global leader in the bridge equipment sector.