Steel Bridge Manufacturers/steel Bridges In India
Types of bridge projects suitable for Type 321 Bailey Bridge
Type 321 Bailey Bridge is a prefabricated steel bridge widely used in various engineering fields. It has the characteristics of simple structure, convenient transportation, fast erection, large load capacity, good interchangeability and strong adaptability. The following are the specific types of bridge projects suitable for Type 321 Bailey Bridge:
1. **National Defense Warfare**
Type 321 Bailey Bridge was originally designed for military use and is widely used in national defense warfare projects. Its rapid erection and disassembly characteristics make it an important equipment in military projects.
2. **Traffic Engineering**
Type 321 Bailey Bridge is widely used in traffic projects and is suitable for rapid construction of temporary bridges to ensure the continuity of traffic. It can be used to cross obstacles such as rivers, gullies, broken bridges, etc. to ensure the passage of vehicles and personnel.
3. **Municipal Water Conservancy Project**
In municipal water conservancy projects, Type 321 Bailey Bridge can be used to build construction channels, temporary bridges, etc. Its high load-bearing capacity and rapid erection characteristics make it an important tool in water conservancy projects.
4. **Disaster Rescue**
The 321-type Bailey bridge plays an important role in disaster rescue, especially after natural disasters such as earthquakes and floods. It can be quickly erected to provide transportation support for rescue teams and ensure the rapid passage of rescue materials and personnel.
5. **Construction scaffolds or towers**
The components of the 321-type Bailey bridge are not only used for bridge construction, but also widely used as a variety of prefabricated steel structures such as construction scaffolds, gantries, cable hanging columns, etc. This versatility makes it widely used in construction projects.
6. **Temporary passages**
The 321-type Bailey bridge can be used to build temporary passages, such as footbridges, trestles, etc. Its lightweight structure and quick erection make it an ideal choice for temporary transportation facilities.
Summary
The 321-type Bailey bridge is widely used in a variety of engineering types, such as national defense preparation, transportation engineering, municipal water conservancy engineering, disaster relief, construction scaffolds or towers, and temporary passages, due to its high load-bearing capacity, rapid assembly and disassembly, and strong adaptability. These features make it an ideal choice for various complex engineering needs.
Specifications:
| 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 |
| 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 |
| 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 |
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
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