Bailey Steel Truss Bridge Temporary Or Permanent Bridge

Bailey Steel Bridge/steel Structural For Bridge

Historical Development of Jiangsu Zhonghai Bridge Equipment Co., Ltd.

Since its establishment on October 10, 2014, Jiangsu Zhonghai Bridge Equipment Co., Ltd. (hereinafter referred to as "Zhonghai Bridge") has made remarkable achievements in the field of bridge equipment manufacturing with its strong technical strength and high-quality products. The company is located at No. 83, Dantu New City Section, Yanjiang Highway, Dantu District, Zhenjiang City, with a registered capital of RMB 55 million. It is a high-tech enterprise focusing on the design, manufacturing, leasing, consulting, installation and construction of road and bridge engineering equipment.

Development History
- **2014**: The company was formally established with a registered capital of RMB 15 million.
- **2016**: The company's registered capital increased to RMB 20 million.
- **2020**: The company increased its capital again, and the registered capital reached RMB 40 million.
- **2023**: The company was rated as a high-tech enterprise.
- **2024**: The company was rated as a technology-based small and medium-sized enterprise.

Important achievements
The core product of Zhonghai Bridge, the assembled highway steel bridge (Bailey bridge), is widely used in infrastructure construction, national defense preparedness, emergency rescue and other fields at home and abroad. The company adopts the standard of "Technical Specifications for Highway Bridge and Culvert Construction" (JTJ041-2008) issued by the Ministry of Transport for processing and production. In addition, all the company's products are strictly supervised and regularly inspected by the scientific research station of the General Armament Department to ensure that each product meets strict quality standards.

Technological innovation
Zhonghai Bridge is the first company in China to achieve 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.

International development
The company actively responds to the "Belt and Road" initiative to expand the international market. Its products have been exported to more than 20 countries and regions including Russia, Canada, and Southeast Asia. Through continuous technological innovation and high-quality products, Zhonghai Bridge has won wide recognition in the international market.

Future Outlook
China Ocean Bridge will continue to be committed to technological innovation and market expansion to further enhance its leading position in the field of bridge equipment manufacturing. The company plans to apply for provincial-level specialized and innovative enterprises in the next few years and continue to expand its production scale to meet the growing market demand.

Jiangsu China Ocean Bridge Equipment Co., Ltd. has established a good reputation in the field of bridge equipment manufacturing with its outstanding technical strength and unremitting pursuit of quality, and has made important contributions to global infrastructure construction.

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.