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Types of diversion head works
access_time 2021-09-06T08:48:01.459Z face online5
Types of diversion head works TYPES OF DIVERSION HEAD WORKS Diversion works can be classified under the following two heads: 1. Temporary bunds or spurs. 2. Permanent weirs and barrages. Temporary bunds or spurs are temporary works, which have to be constructed every year after floods. These bunds ...
Trash rack gate
access_time 2021-09-06T08:43:55.51Z face online5
Trash rack gate TRASH RACK It is not a gate but a sort of permanent structure that is install at the mouth of the opening. Its main purpose is to prevent the entrance of debris into the openings. A framed trash rack structure of steel sections or of R.C.C. members is a construct and iron bars openi...
Rolling gates
access_time 2021-09-06T08:39:39.455Z face online5
Rolling gates ROLLING GATE This grate is show in Fig. 14.24. It consists of a steel cylinder as large in diameter as the height of the opening and spanning between the piers. Each pier has an inclined rack. The gate is wound around the periphery of the cylinder. The gate is also attach to the incli...
Vertical lift gates
access_time 2021-09-06T08:33:02.297Z face online5
Vertical lift gates VERTICAL LIFT GATES This is the gate that is in most common use in all the irrigation structures. It consists of a Rectangular skin plate of mild steel. This plate remains supported on a framework of I-girders or channel sections. Grooves are constructed on the crest as well as ...
Tainter gate or Radial gates
access_time 2021-09-06T08:24:58.502Z face online5
Tainter gate or Radial gates TAINTER GATES OR RADIAL GATES This gate is in the form of a sector of a circle. A curved plate is use to support water. The curved plate is given adequate support by a frame work of steel sections. The gate remains hinged at the piers, on both the ends. This gate can th...