Long Span Steel Structure Pedestrian Bridge/steel Frame Pedestrian Bridge

Technological innovation has had a positive impact on the product quality of Jiangsu Zhonghai Bridge Equipment Co., Ltd. in many aspects, which are specifically reflected in the following aspects:

1. **Improving welding accuracy**
By introducing automated welding robot technology, the company is able to achieve high-precision welding with welding accuracy controlled within 0.3 mm. This high-precision welding reduces human errors and ensures that the connection of each welding part is accurate and correct, thereby improving the overall quality of the product.

2. **Improving the consistency of welding quality**
Automated welding robots can achieve precise adjustment of welding parameters and ensure the consistency of the welding process through precise control systems and sensor technology. This is particularly important in high-precision and high-demand welding tasks, such as aerospace, nuclear power plant equipment and other fields.

3. **Reducing welding defects**
Automated welding robots can monitor the welding process in real time through sensors and computer control systems to ensure the uniformity, strength and appearance quality of the weld. This reduces the rework rate caused by welding defects and improves the reliability and safety of the product.

4. **Optimizing production processes**
Automated welding robots can complete a large amount of welding work in a shorter time, greatly improving production efficiency. This not only reduces the production cycle, but also increases the delivery speed of products.

5. **Improve product appearance quality**
Automated welding robots can achieve precise planning and control of welding paths to ensure the appearance quality of welds. This is especially important in applications with high requirements for product appearance.

6. **Reduce the impact of human factors**
In traditional welding processes, human factors are one of the important factors affecting welding quality. Automated welding robots can independently complete a series of complex welding tasks through programming and pre-set instructions, thereby greatly reducing dependence on manual labor.

7. **Enhance market competitiveness**
Through technological innovation, the company has not only improved product quality and production efficiency, but also enhanced its competitiveness in the market. High-quality products and efficient production processes have won the company wide recognition and praise in domestic and foreign markets.

8. **Promote sustainable development**
Technological innovation has also helped the company make significant progress in environmental protection and sustainable development. For example, by optimizing welding processes and material use, energy consumption and waste generation in the production process have been reduced, further improving the company's environmental benefits.

Summary
Jiangsu Zhonghai Bridge Equipment Co., Ltd. has significantly improved product quality and production efficiency through technological innovation. The application of these technologies not only ensures the high precision and high quality of the products, but also enhances the company's competitiveness in the market and promotes the company's sustainable development.

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