CASE STUDY OF EQUIPMENT REQUIREMENT FOR THE CONSTRUCTION OF A DAM

Jun 18th, 2015
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A Solid gravity concrete dam of length 500 m and height 80 m is required to construct in a calendar period of 4 years. Assume suitable L and cross section. It is proposed to work 3 shifts/day and 7 months in a year to complete the project. Suitable granite rock for the concrete aggregates is available in a hill at a distance of 2 Km from the dam site. There is no overburden. The product of the quarry has to be processed to produce the aggregates in size ranges of 150 mm- 75 mm, 75 mm- 40 mm, 40 mm- 20 mm and 20 mm- 6 mm.

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CHAPTER 1CASE STUDY OF EQUIPMENT REQUIREMENT FOR THE CONSTRUCTION OF A DAMA Solid gravity concrete dam of length 500 m and height 80 m is required to construct in a calendar period of 4 years. Assume suitable L and cross section. It is proposed to work 3 shifts/day and 7 months in a year to complete the project.Suitable granite rock for the concrete aggregates is available in a hill at a distance of 2 Km from the dam site. There is no overburden. The product of the quarry has to be processed to produce the aggregates in size ranges of 150 mm- 75 mm, 75 mm- 40 mm, 40 mm- 20 mm and 20 mm- 6 mm. Good quality sand is not available around the site and a blending of nalural sand with the processed fines of the crusher will be necessary- Assume suitable concrete mix design.CHAPTER 2PLANNING AND SCHEDULING FOR THE CONSTRUCTION OF A DAM2.1 Construction of a Dam There are four major stages for dam construction. It begins with diverting or draining water from the site, building small dams upstream and downstream of the main dam, constructing the dam and finally bringing the water supply and generating facility together.2.1.1 Construction of a Dam - Stage 1 To build a dam first dewatering of the part of the river valley in which the dam is to be constructed. This is usually achieved by diverting the river through a tunnel. A tunnel is built through one side of the valley around the planned construction area. A series of holes are drilled in the rock. Explosive

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