The basis of the construction of a tunnel that has already been used, there are two categories of General.The tunnel excavation and fill up 1. Built in a shallow Groove in the upper laeoklop2. the tunnel drilling. Create a job site without the need to demolish the ground above the page, cut out a circle or its.The current tunnel is created in the tube as the tube by tube on the side and then placed on the seabed or buried beneath the sea floor tuen.The basis of the construction of the tunnel are used in general there are two types is 1. The tunnel excavation and fill up, built in the shallow groove then cover the top 2. The tunnel drilling, build on the construction site without dismantling the ground top out. Most likely to be cut into circular or horseshoe .Likewise, is currently building a tunnel pipe pipe tube by creating a shore. Then the sea floor or on shallow buried under the sea floor.
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