There has been a major transformation in bridge construction in the country with the introduction of prefabricated bridges. Here are the major advantages of using prefabricated bridges in many applications.
The first benefit of using prefabricated bridges is that time is saved. It takes time to construct the foundation for piers and abutments in traditional bridge building. And before the placement of breams and decks, it is important that pier columns and caps are already built. Today, much time is saved because these elements can be prefabricated and installed as needed.
The delay is minimized is prefabricated elements are used. The bridge elements are constructed in a place where the climate is controlled so it is only the work that is done onsite that is affected by the weather. There will no longer be much delays due to weather.
If construction time is reduced, then this also results in cost savings. There are fewer delays and fewer road closures using prefabricated bridges. There will be no delays during rush-hour traffic. If there is traffic congestions then gas and person hours are wasted per year. So with prefabricated bridges causing fewer delays, there will be less traffic congestions which results in lower costs.
Working building bridges traditionally expose themselves to moving traffic. They are at risk of traffic accidents during peak hours. When construction time is reduced, then it also reduces exposure time to these hazards.
When constructing bridges, there can also be hazards when it comes to working over water or near power lines. If bridge construction is done in a safe controlled environment, then you get less exposure to these dangers. With the use of prefabricated bent and pier caps, the time of workers to operate over water for over-water bridges is greatly reduced.
Bridge construction is difficult is some job sites because of difficult constraints. You can cause heavy traffic if your bridge construction is on interstate traffic. It is also difficult for bridge construction to be done with high elevations. There may be adjacent stores of other facilities near the construction area that can restrict it.
Since you don’t have to do these jobs in the work area, prefabricated bridges gives us a solution to these problems. These prefabricated bridge elements are constructed offsite and brought to the project location ready to install. There are many processes in fabricating bridges that does not need to be done onsite and this includes formwork erection, formwork removal, steel reinforcement and concrete placement, and concrete curing.
IF fabricated bridges are used, then traffic disruptions for commuters and travelers caused by bridge construction are minimized. Bridges and roadway closures are shorter in duration because of shorter construction times. Traffic can quickly return to normal. To minimize the inconvenience of travelers, prefabricated bridges are usually transported on site during non-peak hours.
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