By Paulo C.F. Erbisti
''Revised and multiplied second version of this center booklet masking the crucial elements of the layout, manufacture, set up and operation of hydraulic gates. Analyses extensive the choice of the gate sort, the bounds in their use, estimating their weight, operative forces, hoisting platforms, layout of constitution and help components, seals and hydrostatic and hydrodynamic forces. Inflatable gates and fusegates are additionally mentioned, and new chapters on consumption gates and consumption trashracks were additional. can be utilized either as a text-book and guide for the layout of gates, and comprises labored examples, drawings and lots of photos to demonstrate the ideas and techniques involved''-- Read more...
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Additional info for Design of Hydraulic Gates, 2nd Edition
The lifting beam is provided with lifting hooks operated by a system of levers and counterweight. It operates as follows: a) to remove the panel – the lifting beam is suspended by the crane hoist and the counterweight is set to the position ‘close’. The beam is introduced into the guides and lowered till it hits the panel. The beam hooks then slide their sloped faces over the suspension lugs, rotating on their suspension pins until the hook ends penetrate the lug holes, when by action of the counterweight, the hooks regain the vertical initial position, fastening the panel.
When seals and seats are metallic, materials of the same chemical composition should not be used in their manufacture. The seal material should be slightly softer than that of the seats, so as to avoid seizing of the mating surfaces under load and so that the wear take place on the seal and not on the seat. 2 m . 26). 24 Attaching of metallic seals. (a) skin plate; (b) seal seat; (c) metallic seal; (d) sliding surface. 25 Cast iron slide gate (Courtesy of RODNEY HUNT). 26 Wedge system (Courtesy of RODNEY HUNT).
A) guard gate; (b) service gate; (c) hydraulic hoists; (d) gate; (e) stainless steel; (f) bronze; (g) rubber seal. event of jamming of the regulating gate. Hydraulic hoists easily overcome the great friction force in slide gates of bottom outlets. An interesting example of this type of installation is the bottom outlet of the Emosson dam, on the boundaries between France and Switzerland, near Chamonix. The main feature of these gates is the leaf construction. It was designed as a massive steel plate with no reinforcements.
Design of Hydraulic Gates, 2nd Edition by Paulo C.F. Erbisti