Special Aspects Of Steel Bridge Structures/advantages Of Steel Bridges

Types of bridges suitable for Type 200 Bailey Bridge

Type 200 Bailey Bridge is a prefabricated steel bridge widely used in bridge engineering, with the characteristics of simple structure, convenient transportation, fast construction, easy disassembly, and reuse. The following are the types of bridges suitable for Type 200 Bailey Bridge:

1. **Single-span temporary bridge**
Type 200 Bailey Bridge is suitable for single-span temporary bridges that can be quickly built, and can quickly cross obstacles such as rivers, gullies, and broken bridges to ensure the smooth passage of personnel and materials.

2. **Double-lane bridge**
Type 200 Bailey Bridge can be assembled not only into single-lane bridges, but also into double-lane bridges, thereby expanding the scope of use of bridges. The design of double-lane bridges enables it to meet a wider range of traffic needs and is suitable for scenes that require a larger traffic capacity.

3. **Pier and pedestrian bridge**
Type 200 Bailey Bridge is also suitable for temporary traffic facilities such as piers and pedestrian bridges, which can provide temporary passages for construction personnel and equipment.

4. **Long-span bridges**
The maximum single span of the 200-type Bailey Bridge can reach 76.2 meters (single lane) and 57.9 meters (double lane), which can meet the needs of long-span bridges.

5. **Emergency and disaster relief bridges**
After natural disasters such as earthquakes and floods, the 200-type Bailey Bridge can be quickly built to provide transportation guarantees for rescue teams and ensure that rescue materials and personnel can quickly reach the disaster-stricken areas.

6. **Construction scaffolds or towers**
The components of the 200-type Bailey Bridge are also widely used as construction scaffolds or towers to support large-scale infrastructure construction.

Summary
The 200-type Bailey Bridge is suitable for many types of bridge projects, including single-span temporary bridges, double-lane bridges, trestles, pedestrian bridges, long-span bridges, emergency and disaster relief bridges, and construction scaffolds or towers, thanks to its advantages of rapid construction, high load-bearing capacity, strong adaptability and reuse. These features make it an ideal choice for various complex engineering needs.

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