Abstract:
Selection of culverts in road construction and maintenance is quite difficult, because each region has a different terrain. The designer engineer chief engineer in government administration ignored the right design process, which cause the size of culvert selection differently. This study established tables display the relationship between the discharge flows through the culverts. in cubic meters per second and culverts cross section commonly used in Thailand, both pre-cast circular and in situ rectangular cross-section culverts. The design engineer, chief engineer in the government administration can select a suitable culverts cross-section whenever the discharges are available.
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