Temporary Modular Bridges: Rapid Solutions for Critical
Connectivity
In times of crisis or infrastructure disruption, temporary modular
bridges (TMBs) emerge as vital lifelines, offering fast, flexible,
and reliable connectivity. Unlike traditional bridges that require
months of on-site construction, TMBs are prefabricated in
standardized modules, enabling quick assembly and deployment—often
within days or weeks—making them indispensable in emergency
response and infrastructure maintenance.
The core advantage of TMBs lies in their modular design. These
bridges consist of interchangeable components, such as steel or
aluminum trusses, deck panels, and support structures, manufactured
in factories under strict quality control. This prefabrication not
only ensures consistency but also reduces on-site labor and
material waste. For instance, during natural disasters like floods
or earthquakes that destroy existing bridges, TMBs can be
transported via trucks, helicopters, or boats to the affected area.
Once on-site, teams use simple tools to assemble the modules,
restoring access for emergency vehicles, relief supplies, and
displaced communities.
Beyond emergency scenarios, TMBs play a key role in construction
and infrastructure projects. When highways or railways undergo
repairs, TMBs provide temporary detours, minimizing traffic
disruptions for commuters and businesses. Their adaptability is
another strength: modules can be adjusted in length, width, and
load capacity to suit different needs, from pedestrian crossings to
heavy-duty vehicle access. Some advanced TMBs even feature modular
expansion capabilities, allowing them to be extended or modified as
project requirements change.
Sustainability is also a growing focus in TMB design. Many modern
modules are made from recyclable materials, and their reusable
nature reduces the environmental impact compared to temporary
structures built for single use. After serving their purpose, TMB
components can be disassembled, inspected, and stored for future
deployment, cutting down on construction waste and resource
consumption.
As technology advances, TMBs continue to evolve. Innovations like
lightweight composite materials and digital modeling tools are
enhancing their portability, durability, and ease of assembly. In
an era where rapid response to crises and efficient infrastructure
management are more critical than ever, temporary modular bridges
stand as a practical and forward-thinking solution, ensuring that
connectivity is never lost for long.
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
