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<p>This paper presents an overview of the present state of construction of cofferdam techniques with special emphasis and a brief on other techniques developed world over for mitigating hydraulic forces on the temporary structures. A cofferdam is a temporary ...
Reference: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) e-ISSN: 2278-1684, p-ISSN: 2320-334X PP 45-50
<p>This research was set with the objective of investigating the possibility of constructing Roller Compacted-Concrete Dam, RCCD, using local material to reduce its cost. Trial laboratory concrete mixtures were conducted to define RCCD proportions in stage-I. ...
Reference: Alexandria Engineering Journal (2014) 53, 131–142
 
<p>Inadequate spillway capacity is a common problem with many dams. Thousands of dams throughout North America have been determined to have inadequate spillway capacity and would be overtopped during the inflow design flood (IDF). Dam failure from overtopping ...
Reference: FEMA P-1014
<p>The Enlarged Cotter Dam (ECD) Project, located in ACT, consisted of the construction of a new 87 m high roller-compacted concrete (RCC) dam and two central core zoned earth and rockfill saddle dams up to 23 m high on the low points of a ridge to the south-west ...
Reference: Multiple Use of Dams and Reservoirs: Needs, Benefits and Risks, IPENZ Proceedings of Technical Groups 39 (LD)
This paper will present the trials and tribulations of how the RCC gravity dam option changed over time to an earth fill dam. Also, the paper will discuss some design elements of the new 125 foot tall earth fill dam and how the design incorporates a future ...
Reference: Innovative Dam and Levee Design and Construction for Sustainable Water Management, 32nd Annual USSD Conference New Orleans, Louisiana, April 23-27, 2012
 
<p>Filters in embankment dams are composed of specifically-designed entities (zones) of coarser-grained soils placed at specifically-targeted locations within or adjacent to the dam structure. Filters are designed and constructed to achieve specific goals ...
Reference: FEMA October 2011
The Authors served in key roles for the design and rebuild of the Dam for the Taum Sauk Rebuild Project between 2007 and 2009. Taum Sauk is the largest RCC Dam in the United States and has a symmetrical cross-section with conventional concrete faces upstream ...
Reference: 21st Century Dam Design - Advances and Adaptations, 31st Annual USSD Conference, San Diego, California, April 11-15, 2011
The 182 m high concrete face rockfill dam (CFRD) is one of the main components of the Nam Ngum 2 (NN2) hydropower scheme in Lao PDR. Construction of the dam was essentially completed in March 2010 and reservoir impounding commenced subsequently. This paper ...
Reference: 6TH INTERNATIONAL CONFERENCE ON DAM ENGINEERING, C.Pina, E.Portela, J.Gomes (ed.), Lisbon, Portugal, February 15-17, 2011
 
RCC is batched and mixed onsite using a portable mixing plant. Occasionally, one or more aggregates are obtained on or near the site and graded to conform to the specified aggregate gradation. It is more common to purchase aggregates from an aggregate supplier ...
Reference: Part 645 Construction Inspection National Engineering Handbook
 
<p>The ICOLD &ndash; International Committee on Large Dams decided to prepare a bulletin on small dams in consideration to the great number of this type of dams, that represents generally more than 90% of the total number of dams.<br />There are clear evidences ...
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