- All
- Product Name
- Product Keyword
- Product Model
- Product Summary
- Product Description
- Multi Field Search
| Quantity: | |
|---|---|
CB200
ZHONGHAI
ZHQL-CB200
Bailey Bridge construction is defined by its speed, simplicity, and reliance on standardized modular components—traits that made it a game-changer in military and emergency infrastructure. Unlike permanent bridges requiring complex machinery and long timelines, a Bailey Bridge can be built by a small team in hours to days, thanks to prefabricated parts and a streamlined process focused on efficiency.
The first phase is site preparation and planning. Crews start by surveying the crossing site to confirm span length, ground conditions, and load requirements (e.g., pedestrian, vehicle, or heavy equipment). They then clear debris, level the banks, and build temporary abutments—often using concrete blocks, stacked steel, or compacted earth—to anchor the bridge’s ends. For longer spans, mid-span piers (simple steel frames or concrete supports) may be installed to reduce stress on the structure. This phase ensures the site is safe and aligned with the bridge’s design.
Next comes truss assembly, the core of Bailey Bridge construction. Crews begin by laying out Bailey Panels (the bridge’s main structural units) on the ground or a temporary platform. Using bolts or pins, they connect panels horizontally to form two parallel truss systems—one on each side of the future bridge. For wider spans, panels are stacked vertically (2-3 layers) to boost load capacity. The trusses are then lifted or pushed into place using winches, cranes, or even manual labor (for smaller spans), with temporary supports keeping them stable as they extend over the gap.
Once the trusses are secure, transverse beams are installed perpendicular to the trusses at regular intervals (usually every 1.5 meters). These beams link the two truss systems, creating a framework for the decking. Crews then lay decking panels (steel, aluminum, or wood) across the transverse beams, securing them with clips to prevent movement. For safety, handrails (often made of steel pipes) are added along the truss edges, and non-slip coatings may be applied to the decking for wet or icy conditions.
The final phase is inspection and testing. Crews check all connections (bolts, pins, clips) to ensure they are tight and secure, verify the deck is level, and test the bridge’s load capacity with light vehicles before full use. This step ensures the bridge meets safety standards and is ready to support its intended traffic—whether for military convoys, disaster relief teams, or local communities.
Bailey Bridge construction’s brilliance lies in its simplicity: prefabricated parts, minimal tools, and a process that prioritizes speed without sacrificing strength. It remains a vital solution for urgent connectivity needs worldwide.
| 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 |
