OEM Portable Trestle Bridge / Steel Floating Bridge Standard Or Customized

Portable Steel Bridges/steel Floating Bridge

Maintenance costs for Bailey bridges typically include the following:

1. **Material costs**
- Bailey bridges are primarily made of high-strength steel, and material costs vary depending on the quality of the steel, the supplier, and market conditions. High-quality steel, while having a higher initial cost, provides better durability and lower long-term maintenance costs.

2. **Installation costs**
- **Labor costs**: Bailey bridge installation requires skilled labor, and the cost varies depending on local wage levels and the complexity of the installation.
- **Equipment rental**: Heavy machinery, such as cranes and trucks, may be required during the installation process, and their rental costs can increase installation costs.
- **Installation time**: Although Bailey bridges are quick to install, installation time can still affect costs, especially when encountering inclement weather or logistical issues.

3. **Transportation costs**
- The cost of transporting Bailey bridge components to the installation site is an important component of the total cost. Transportation costs vary depending on distance, component size and weight, and conditions along the transportation route.

4. **Periodic maintenance costs**
- **Inspection costs**: Bailey bridges require regular inspections to identify signs of corrosion, wear or damage. Inspection frequency is usually once a year, but in harsh environments or high-traffic areas, inspections may be required every six months.
- **Corrosion treatment**: Regular cleaning and repainting are necessary to prevent corrosion. In coastal or high-humidity areas, more frequent painting may be required.
- **Part replacement**: If corroded or damaged parts are found, they may need to be replaced, which will increase maintenance costs.

5. **Long-term maintenance costs**
- In the long run, Bailey bridges have relatively low maintenance costs because their modular design allows for easy inspection and replacement of parts. However, regular maintenance is still key to ensure their long-term service life and safety.

6. **Maintenance costs in special circumstances**
- In emergency situations or after major events (such as floods, earthquakes), additional inspections and repairs may be required. Maintenance costs in these situations can increase significantly.

In general, the maintenance costs of Bailey Bridges will vary depending on the specific conditions of the bridge, the environment in which it is used, and the maintenance measures taken. Regular inspections and timely maintenance can effectively reduce long-term maintenance costs and extend the service life of the bridge.

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