Engineering culvert is a kind of culvert and a term in engineering. Culverts are not made by connecting body principle, but engineering culverts are a special kind of culverts, which are made by connecting body principle.
The purpose of culvert construction in highway construction is: first, to discharge streams and natural rainwater to protect the stability of subgrade and avoid the damage of rainwater; Second, it is specially used for farmland irrigation, so that the development of agricultural production water is not affected by road construction.
Classification of culverts: There are many kinds of culverts, and the cross-section shape, entrance type and flow pattern in culverts are also diverse.
Culvert consists of tunnel body, portal building, foundation and ancillary works.
Cave is the main part of culvert, and its cross section is circular, arched and box-shaped. The entrance building is located at both ends of the culvert and has two structural forms: I-shaped wall and I-shaped wall. There are two forms of foundation: integral and non-integral. Auxiliary works of culvert include: cone slope protection, river bed paving, subgrade slope paving, artificial waterway, etc.
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