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Definition of Concrete Dams

Characteristics of concrete dam  – Durable and virtually maintenance-free. Requires good geological conditions at the site of the dam.  – Implementation requires high accuracy. The properties of concrete  – Easy to work  – Concrete durable  – Meet the press the desired solid  – small seepage Power  – small concrete Penyusutsn  – Coefficient ...

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Dams Planning Factors

a. Topography If the review is only based on topography, the concrete dam would be more profitable. If the surrounding buildings on the river channel but cramped. otherwise the flow of the river shallow but wide, the dam would be cheaper urugan. However, due to many other factors that need to be taken into account between Lail} geological conditions in ...

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Soil Texture Determination In Laboratory

Soil is composed of soil grains of various sizes. Part grain land measuring more than 2 mm is called coarse material soil such as gravel, coral to rock when analyzed eliminated terelebih advance, as well as the organic material in the soil, so all that remains is fractions of land measuring less than 2 mm , Part ground grain size ...

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Forest and Land Rehabilitation

According Wahono (2002: 3), degraded land is land that is already no longer function as a regulator of the media regulator of the water system, the element of agricultural production, as well as elements of the protection of nature and environment. Degraded land is a land that has undergone soil conditions or in the process of physical, chemical or biological ...

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Soil and Water Conservation In Mechanics

Mounds of earth mounds are made elongated in the direction of the contour lines or cut slope (Sitanala Arsyad 1989). Ridges are usually made by the farmers with the soil stack height between 20-50 cm and width of the base between 30-60 cm. In the area around the point Buncir or Cinagara farmers-mounds mounds planted with corn, beans and cassava. ...

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Soil Cultivation (Tillage)

Various soil and water conservation techniques on mechanical methods mentioned above serve to: slow the flow of surface water, accommodate and channel the flow of surface water so as not to damage, repair and rebuild the water infiltration and soil aeration and provides water for the plants. The definition of tillage is any manipulation / engineering of the ground to ...

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