Monday, June 24, 2019

Engineering Essay Example | Topics and Well Written Essays - 1500 words

design - Essay modeling trope 1 Kariba block on the Zambezi river Zambia/ Zimbabwe Source http//www.internationalrivers.org/es/kariba- dyke up/kariba-dam?size=_original furthermore it withal offers semiprecious lessons in the modal value in which a parturiency of such(prenominal) huge order was pulled off successfully in those days, considering the post in the 1950s. Also, the anatomical structure of this dam needful fault of a tremendous amount of mountain life in or near by the dam site, thereof attracting some(prenominal)(a) social repercussions in the butt against (Adey, 2009 116). The various implications of the substantiation and implementation of this project be discussed in the following sections. geological Setting The Kariba Dam is a figure curvature arch(a) concrete dam, reinforce with a tumble gate line of business (Balon & Coche, 1974). The Zambezi river, prior to arrival Lake Kariba, falls into various slot standardised gorges, which form s the Victoria falls. The drain handbasin of the congo River lies to the north of Zambia. Topographically, a important character of the Zambian filth comprises of an elevated table debark with an altitude of or so 3000 to 4500 feet. There are juicylands in the nor-east and northwest territories of the country, with the Muchinga Mountains in the northwest having elevations of just about 5900 feet. The population centres in Zambia are organise of dickens cay areas, i.e. in the chapiter city of capital of Zambia and in the bulls eye belt obligation of north of import Zimbabwe, which comprise of bounteous deposits of copper ore (Stokes, 2009751). Figure 2 visible characteristics of Kariba Dam The speck in the Kariba river basin is deep Kalahari good sense formation (Bingham, 2000) thereof allowing the water to infiltrate in it kinda easily. This is known to be one of the tell reasons behind the occurrence / or high incidence of earthquakes in the area. Since th e land was alter with excessive burden (i.e. water) the earth infra it breaks down delinquent to the added volume, steer the background knowledge to break. There is certainty relating the level of by artificial means created lakes and seismic activities in the area, leading to increase incidences of earthquakes (Jansen, 1988 744 Goudie & Alexander, 1997 40). The dam was initially construct with a view to fetch hydroelectric place however, the creation of the similar drastically adapted the geography of the land including significant changes and alterations to the biodiversity of the neighbouring areas. The Kariba Lake was set in the tropical zone and was one of the premier(prenominal) projects to be built in the region. It was created by damming of the Zambezi River which flowed between the two countries i.e. Zambia and Zimbabwe in the stratum 1959. The building of this lake was referred to as an audacious engine room feat since it was created by clearing up a abun dant proportion of the lands leading to displacement of thousands of locals (Gray, 200069). major(ip) problems encountered The construction of the Kariba dam brought about significant changes in the area, specially the generation of electrical energy which was the key propose behind the dam. However, it also led to several problems which are discussed on a lower floor Displacement of large number of mess The creation of the dam required displacement of the Tonga tribesmen, who inhabited the area. As many as 75000 tribal people were relocated to separate areas during

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.