Structure layout and hydraulic calculation of a bottom sluice gate in intensive shrimp pond type of T – pipe holed

Abstract

    Drainage from shrimp ponds is an important issue for intensive shrimp farming. There are many types of sluice gate used for water drainage from shrimp ponds, in which, the bottom sluice gate (TPipe holed) is one that has many strong points and is used popularly in many shrimp culture areas in the world. This type of sluice gate has been applying to a few of coastal intensive shrimp farming areas in Vietnam. Structure and dimension of this sluice gate are very different from open types of sluice gate placed at the dike of pond. In this paper, the author recommends a procedure for calculating discharge coefficient aiming to simplify hydraulic calculation for size and dimension of this sluice gate based on the results of experiments carried out at the intensive shrimp culture plant Tan An, Yen Hung district, Quang Ninh province.