Q355B Steel Structure Bridge Manufacture High Durability Bailey Bridge

Steel Structure Bridge Manufacture/steel Structure Bridges Supplier

To implement sustainable practices for steel bridge maintenance, several strategies can be adopted to minimize environmental impact while ensuring durability and longevity:

1. **Use of Zinc Coatings**
Metallic zinc coatings, such as hot-dip galvanizing and thermal spraying, are recognized as environmentally friendly and sustainable options for protecting steel bridges. Zinc coatings provide both barrier protection and cathodic protection, ensuring long-term corrosion resistance with minimal maintenance. These coatings are cost-effective and have a low life cycle cost, making them an ideal choice for sustainable bridge maintenance.

2. **Regular Inspections and Preventive Maintenance**
Implementing a regular inspection schedule helps identify potential issues early, reducing the need for extensive repairs and minimizing environmental impact. Preventive maintenance practices, such as cleaning and reapplying protective coatings, ensure that the bridge remains in optimal condition.

3. **Adopting Life Cycle Assessment (LCA) Tools**
Using LCA tools to evaluate the environmental impact of bridge materials and maintenance practices can help optimize the selection of sustainable materials and methods. This approach ensures that the entire life cycle of the bridge, from construction to decommissioning, is as environmentally friendly as possible.

4. **Recycling and Reuse of Materials**
Steel is highly recyclable, and its use in bridge construction allows for the incorporation of recycled materials. At the end of a bridge’s life, steel components can be recycled or reused, reducing waste and environmental impact. Additionally, using galvanized steel ensures that both steel and zinc can be recycled at the end of their life.

5. **Energy-Efficient Maintenance Practices**
Incorporating energy-efficient lighting and maintenance systems into bridge designs can reduce energy consumption and associated emissions. This approach not only lowers operational costs but also minimizes the environmental footprint of bridge maintenance.

6. **Sustainable Coating Systems**
Advancements in coating technology have led to the development of more sustainable and eco-friendly protective systems. For example, thermal sprayed zinc-magnesium-aluminum (ZnMgAl) coatings offer superior corrosion resistance compared to traditional zinc coatings, further reducing maintenance needs.

Conclusion
By adopting these sustainable practices, steel bridge maintenance can be made more environmentally friendly while ensuring the long-term durability and safety of the structures. The use of zinc coatings, regular inspections, life cycle assessment tools, recycling, energy-efficient practices, and advanced coating systems all contribute to a more sustainable approach to bridge maintenance.

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