The theoretical analysis of coupledmode selfexcited vibration of hydraulic gates is developed in the present paper. Radial gate as a part of dams, what are the advantages. Hydro gate radial gates are made for two types of installations. They consist of a curved skinplate reinforced by horizontal or vertical stiffening ribs and supported by radial arms on each side of the gate. Computation of flow through watercontrol structures using program damflo. Structural failure would endanger downstream life and property. Bureau of reclamation us government printing office, washington. This manual provides guidance for the design, fabrication, and inspection of spillway tainter gates, trunnion girder, and trunnion girder anchorage. Folsom dam california, 1995 case study asdso lessons. These gates, which are sometimes very large, are sturdily designed for long life and low maintenance in difficult. They are used to manage large flow or storage applications. Army corps of engineers this manual supersedes em 111022105, dated 31 march 1993, em 111022701, dated 30 november. There are many free pdf printer for mac that can do this, with no additional settings required. A spillway gate whose face is a section of a cylinder.
This manual supersedes em 111022702, 1 august 1966. This report is available online in pdf format 3 mb. Toledo bend dam tainter gate rehabilitation program. These repairs mark the corps first application of a formerly. Free pdf printer software print documents directly to pdf. Prestressed concrete anchorages for large tainter gates. The typical large profile of these gates requires rugged design and construction incorporating state of the art engineering methods for reliable operation with minimal maintenance. These gates, which are sometimes very large, are sturdily. Second form for tainter gate program and gate data. Tainter gates are considered to be the most economical, and usually the most suitable, type of gate for controlled spillways due to simplicity, light weight, and low hoistcapacity requirements.
This theoretical manual consists of a discussion of tainter gate design criteria. The result ing equations can be used to compute discharge. Tainter gates are the heavyweights in the gate market. More recently, radial gates are preferred as noted in section 19. Retrospective consideration of a plausible vibration mechanism for the failure of the folsom dam tainter gate noriaki ishii1, keiko anami2 and charles w knisely3 corresponding author.
The effect of different gate sill heights on contraction coefficient, dis. An innovative tainter gate dewatering system that could. Tainter gate lube installation fresno county, ca 93649. Stratton lock and dam life extension reconnaissance. Advantages and disadvantages of tainter gates vs other spillway crest gates22. Tainter gates are usually controlled from above with a chaingearboxelectric motor assembly. However, not having a tainter gate dewatering system makes it difficult to perform gate repairs safely. Material with welds will not be accepted unless the welding is specified or indicated on the drawings or otherwise approved. Inspection, evaluation, and repair of hydraulic steel. Lower cost, simple by design, easy to install and use. This report is a supplement to the physical hydraulic model study of folsom dam emergency spillway tainter gate alternatives svoboda, 2014.
Download data sheets for watch technologies irrigation gates, actuators and control systems for detailed product info. The theory is applied to the 87ton tainter gate at the folsom dam, which according to eyewitness testimony, experienced flowinduced vibrations and failed in l995. Geological survey openfile report 03473 columbia, south carolina. Pdf an efficient algorithm for ogee spillway discharge with. The bolt pdf printer driver adds a printer used to create rastor or vector pdf files from the print menu of any application for lightning fast pdf creation. Ufgs 05 59 20 fabrication of hydraulic steel structures. Pdfelement is a complex pdf tool that allows for editng, annotating, creating. Pin friction represents a special loading case for a radial gate under hydrostatic loading. Pdf ogee profile flood spillways equipped with radial gates are.
This specification relates to the design, materials of construction, fabrication, and furnishing of the tainter gate with appurtenant seals, side seal plates, sill, hoist, and accessories required for complete and proper operation of the gate. This reduces the efficiency of the lock and slows down ship traffic. Calculate the reaction force on a tainter gate hinge. The army corps operates and maintains over 700 dams, including the harlan county dam in nebraska. In 2010, a freese and nichols climbing team conducted an inspection of the tainter gates, hoists, and associated mechanical and electrical equipment. This manual describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification of critical locations such as fracture critical members and various connections that require close examination. General purpose computeraided analysis and design of tainter. Tainter gates waterman radial gates control water flow over a dam or drainage structure, providing a wide and unobstructed opening. Do not begin welding until welding procedures, inspectors, nondestructive testing personnel, welders, welding operators, and tackers. A separate chapter is also provided on seismic failure of spillway radial gates.
This gate is designed for 1 ft of water flowing over the top of the gate when the gate is closed. Adequate safety factors prevent damage to the gate if there is a moderate, additional overflow beyond that limit for a short. Tainter is an anthropologist, so he views history though that prism. Rodney hunt tainter gates are normally used to control the flow of water or wastewater over a dam or drainage structure to provide a wide and unobstructed opening. Com dean industrial enterprises installed six lincoln centralized lubrication systems on a large hydro dam on the kings river near fresno, ca. Download free pdf printer software to make creating pdfs as easy as printing. Computation of flow through watercontrol structures using. A tainter gate is a segment of a cylinder mounted on radial arms that rotate on trunnions anchored to the piers. Their shape, a convex curved faceplate supported from behind by two triangular arms, brilliantly transfers what can be enormous loads to two trunnion pins fixed to the sides of a. The team found areas of severe corrosion and section loss in the structural gate members. Discharge rating table for a tainter gate with submergedorifice flow for normal headwater and tailwater. The changing technology of the 9foot channel project all of the 9foot channel installations along the upper mississippi river include observation decks. New york state barge canal, ninemile creek spillway and.
The corps recently repaired this dams tainter gates which control water flow over the damto correct a design deficiency. The tainter gate and hoist will be as manufactured by rodney hunt company or approved equal. Indeed, the evolution of tainter gate design is arguably the most. Other types of control gates, including radial lock valves reverse tainter valves and sluice gates, may be referred to as tainter gates but also are. The first, and most commonly used, is an overflow type. The tainter gate is a type of radial arm floodgate used in dams and canal locks to control water.
Toledo bend dam is a 108foot high zoned earthfill dam that spans 11,000 feet and is located along the border of texas and louisiana. By modeling this problem this problem and testing the solution to it, the research team has been able to conclusively show that submergible tainter gates located near the approach will solve the abovementioned ice problems. As the size of tainter gates is increased, the problem of providing an anchorage system becomes more complex. Joseph tainter arrived in 1988, with this book, to offer an alternativenamely, total economic determinism filtered through a framework of his own devising. Dischge was measured at three different tainter gates with the gates closed hg 0 to evaluate th tainter gate leakagedischarge relations. The tainter gate failure at folsom dam awakened numerous dam owners to the thus, when lcra determined that their tainter gates needed gate repairs 237474834designofspillway tainter gates. Orthotropic shell, vertical framed, and stress skintype tainter gates may be suitable in some locations but are not covered in this manual.
It is generally economical to utilize the higher strength structural steels in the design of larger tainter gates. A critical factor in tainter gate design is the amount of stress transferred from the skinplate through the radial arms and to the trunnion, with calculations pertaining to the resulting friction encountered when raising or lowering the gate. Spillway radial gates sometimes called tainter gates transfer the reservoir load to the trunnion pin through compression of the relatively slender gate arms see figure 301. This was not uncommon for this era of dam construction. Their shape, a convex curved faceplate supported from behind by two triangular arms, brilliantly transfers what can be enormous loads to two trunnion pins fixed to the sides of a concrete bay. Tainter gate lube installation fresno county, ca 93649 2525 south east avenue fresno, ca usa 93706 phone 559. Other options include a multiple piece bulkhead type gate for center of control structure only closed after 5 yr event otherwise open for recreational boats with 2 tainter gates for controlling flows. Recommendations for determining debris loads for tainter gates. Miter gates spillway tainter gates vertical lift gates closure gates bulkheads and stoplogs l ton, p. However, their use is not feasible for the anchorages because of. The ferc tainter gate initiative will now recognize 2 categories of tainter gates, and adjust the requirements of the program accordingly.
New york state barge canal, ninemile creek spillway and tainter gate, south bank in oriskany flats state wildlife management area, 1 mile northwest of state route 49, marcy, oneida county, ny. Physical hydraulic model study of folsom dam emergency. Location of tainter and roller gates at lock and dam no. Abstractin this paper the submerged flow through radial gates with and without a gate sill was experimentally investigated.
Earthquake causes failure of tainter gate embedded anchorage. Not a very successful framework, to be sure, but at least one that provides some food for thought. Tainter gates, also referred to as radial gates are primarily used as spillway flood control gates due to their simplicity and efficient design. Typical hss are lock gates, tainter gates, tainter valves, bulkheads and stoplogs, vertical lift gates, components of hydroelectric and pumping plants, and miscellaneous structures such as lock wall accessories, local flood protection gates, and outlet works gates. Testing and reporting on spillway gate operations 1. Additional tasks completed in this supplement include collecting discharge rating data for 5, 10, 15, 20, and 25ft vertical gate openings with a top seal installed on the gates. New york state barge canal, waterloo dam and tainter gates. These decks offer scenic views of the river valley, as well as an opportunity to. Tainter gate article about tainter gate by the free. It can also discourage cycling gates when water supplies are critical and a fear exists of opening a. On the red river control structure, we are looking at possibly 3 tainter gates, 30 wide x 40 high, or more gates with smaller sizes.
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