Zinc Plated Steel Bailey Bridge Modular Design 7.35m 4.2m Width

Zinc Plated Steel Bailey Bridge/steel Bailey Bridges

History of Jiangsu Zhonghai Bridge Equipment Co., Ltd.

Jiangsu Zhonghai Bridge Equipment Co., Ltd. (hereinafter referred to as "Zhonghai Bridge") was established on October 10, 2014 and is located in Dantu High-tech Park, Zhenjiang City, an ancient Jiangnan town with profound cultural heritage. Since its establishment, the company has been committed to the design, manufacture, leasing, consulting, installation of road and bridge engineering equipment, and the construction of building steel structure projects.

Development History
- **2014**: The company was officially 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 technology-based small and medium-sized enterprise and a high-tech enterprise.
- **2024**: The company continued to expand its production scale and launched the second phase of the prefabricated highway steel bridge production and R&D center project, adding an annual production capacity of 15,000 Bailey plates.

Important achievements
With its strong technical strength and high-quality products, China Ocean Bridge has achieved remarkable achievements in domestic and foreign markets. The company has participated in many large-scale infrastructure construction projects at home and abroad, such as domestic projects such as Runyang Bridge, Hangzhou Bay Cross-sea Bridge, Sutong Bridge, and international projects such as Maldives China-Malaysia Friendship Bridge, Brunei Cross-sea Bridge, and Pakistan Hub Power Station.

Technological innovation
China Ocean Bridge has always focused on technological innovation and successfully applied for a number of invention patents and utility model patents. The company has introduced automated welding robot technology to ensure that the welding accuracy is controlled within 0.3 mm, which significantly improves production efficiency and product quality.

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 Malaysia, Cambodia, and Nepal. Through continuous technological innovation and high-quality products, China Ocean Bridge has won wide recognition in the international market.

Future prospects
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 production to meet the growing market demand.

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

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