There has been a major transformation in bridge construction in the country with the introduction of prefabricated bridges. Using prefabricated bridges in many different applications give many advantages.
There is great time savings if prefabricated are used. It takes time to construct the foundation for piers and abutments in traditional bridge building. Before beams and decks are placed, pier columns and caps must be built. There is fast installation of these elements if they are prefabricated and installed as needed.
The delay is minimized is prefabricated elements are used. Weather only affects the portion of work done onsite since these elements are typically constructed in a climate-controlled environment. There will no longer be much delays due to weather.
There is cost savings when construction time is reduced. Fewer delays and fewer road closures will result with the installation of prefabricated bridges. Rush-hour traffic will not worsen. If there is traffic congestions then gas and person hours are wasted per year. These costs can be controlled when there are fewer delays in construction projects.
When workers construct bridges on site, then they are exposed to moving traffic. During peak hours, it can be a hazard. There will be reduced exposure to these traffic hazards if the time it takes to install bridges is lessened.
Other hazards in constructing bridges is when you need to work over water or near power lines. The risks are lessened with lessened exposure to these dangers and this is a results of having prefabricated bridge constructions done in safe controlled environments. To reduce the time of workers to operate over water for over-water bridges is to use prefabricated bent and pier caps.
There are difficult constraints imposed on bridge construction in many job sites. Constructing a bridge on interstate traffic can cause heavy traffic. There can be difficulty in constructing bridge segments on places with high elevations. You can also be restricted if you will construct a bridge where there is a stores adjacent or other facilities near your construction area.
These problems can easily be solved with prefabricated bridges. When the bridge is ready to install , that is the only time that the prefabricated bridge elements are brought to the construction site but they are constructed offsite. All the processes can be done offsite including formwork erection, formwork removal, steel reinforcement and concrete placement, and concrete curing.
Since you only need to install the bridge, there is less construction-related traffic disruptions for commuters and other travelers. Bridges and roadway closures are shorter in duration because of shorter construction times. It only take a short time to have the traffic back to normal. Many times companies transport prefabricated bridges during non-peak times so that traveler inconvenience is minimized.
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