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Firstly, what is are Civil 3D pipes and structures? Well, let's find out in this online training course. Certainly, this step by step tutorial is a part of the Civil 3D essentials book and how-to manuals.
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The land development engineer usually designs the superficial infrastructure. However, he or she may also be required to design the underground wet system, especially the wet utilities like watermains, sanitary and stormwater sewers. As usual, the design should also be done in accordance with specific municipal by-laws. An example is illustrated by the municipality of Flower Bay’s typical street cross-section.
Civil 3D has a set of tools called Pipe Network Creation Tools. They enable us to design these utilities and meet the requirements, including maximum pipe lengths, minimum covers, minimum and maximum slopes, and flow velocities. Each flow type system, in Civil 3D, is categorized under a separate Pipe Network, with interlocking entities. A pipe network is composed of two main components: Pipes and Structures.
Pipes are the linear parts in the network and are made up of different type of materials (Concrete, PVC, HDPE, metal, etc.). Two of their main characteristics are the diameter and slope, which combine to determine the amount of flow a pipe can carry. That amount is typically estimated in terms of rate, such as cubic meters or cubic feet per second, rather than volume.
Structures are the elements that connect the pipes. Due to the maximum allowable length of pipes, Structures must be installed at regular intervals. We also need structures at the change of slopes, change of directions or when water is captured from the street surface.