A wider tunnel with cars, cyclists and pedestrians next to each other did not fit between the existing buildings. The Underpass is an area consisting of underground tunnels and is associated with the local sewer system, though the majority of the area explored is away. The reason that has been chosen for this is lack of space. This makes the underpass unique in the Netherlands! Never before has such a double-layered railway underpass been built in our country. Pedestrians and cyclists will soon be driving through the top layer. First double-layer railway underpass in the NetherlandsĪs you know by now, the Alexia tunnel has two floors. In addition, no petrol or diesel is used and there are therefore no emissions of harmful substances. These electrical machines are quieter, which means that local residents were less bothered by noise. Another example is the use of electrical construction equipment such as cranes, excavators and rollers. The saccade angle, saccade frequency, and fixa. And this sand was not transported by road by trucks, but by pumping water into the construction pit and sucking the wet sand with pipelines to the nature bridge. A total of 20 drivers were gathered to perform a real vehicle experiment in an urban underpass tunnel. For example, the sand that was released when digging the underpass was used for the construction of the nature bridge in Anna's Hoeve. The Alexiatunnel is built as sustainably as possible. A pump system drains the rainwater towards the sewer, so that you are not bothered by it. The water ends up under the road surface in a kind of large container. You don't see this as a motorist, but it is very important to prevent the tunnel from being flooded after a heavy rain shower. The deepest part of the Alexia tunnel is 12 meters deep. They adapt to the degree of daylight, so that you are not blinded all at once when you enter or exit the tunnel. That may sound like too much of a good thing, but these lights are smart. Finally, there are lamps in the center of the ceiling. As with bridges and overpasses, safe accommodation should be made for bicyclists to use roadway tunnels and underpasses to. In addition to this decorative lighting, there is functional lighting on the sides of the ceiling. Of course it also has to look a bit nice when you drive through it. There are LED strips in the walls of the car tunnel. The sun and leaves are formed by no less than 1,75 million round holes of 7,5 and 15 millimeters that are punched in the metal. The plates show images of the sun and leaves. These are made with a laser cutting machine. When you walk or cycle through the bicycle tunnel, you will see aluminum plates on the walls. No, the 249 meter long underpass is not as leaky as a basket.
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