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A gravity dam is a solid structure, made of concrete or masonry, constructed across a river to
create a reservoir on its upstream. The section of the gravity dam is approximately triangular
in shape, with its apex at its top and maximum width at bottom. The section is so
proportioned that it resists the various forces acting on it by its own weight. Most of the
gravity dams are solid, so that no bending stress is introduced at any point and hence, they are
sometimes known as solid gravity dams
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What are the causes of failure of a gravity dam?
over turningslidingcrushingtensionthese are the failures of gravity dam
Can you produce electricity with gravity?
Yes, electricity can be produced from gravity. One popular method is to find a place where gravity is pulling water down, and guide the water through an electrical generator while it's falling. The power that comes out of the generator is then called "hydroelectric" power. A lot of it can be found in places connected to Hoover Dam, Niagara Falls, etc.
What forces act on a dam?
Lateral forces from water act on the damn. To find a point load on a damn, ypu must find the centre of pressure. How much pressure depends on velocity, flow rate, depth and the specific gravity of the water. the force is tension because the dam is stuck to something and the water pushes this to make it expand.
If water falls over a dam 300 feet high what would its velocity be just before striking the bottom if air resistance is ignored?
V = SQRT(2gh), where g is the acceleration of gravity and h is the height.
What is the biggest man made Hydroelectric dam in the World?
Tarbela Dam is a large dam on the Indus River in Pakistan. It is located in Haripur district of Hazara Division of North-West Frontier Province about 50 km (31 mi) northwest of Islamabad,at height of 485 ft (148 m) above the river bed. Reservoir size of some 95 sq mi (250 km2) makes it the largest earth filled dam in the world. The dam was completed in 1974 and was designed to store water from the Indus River for irrigation and flood control
What are the causes of failure of a gravity dam?
over turningslidingcrushingtensionthese are the failures of gravity dam
What kind of dam is Hoover Dam?
It is an arch-gravity dam.
World largest gravity dam is located?
Three Gorges dam in China
What is a masonry dam?
masonry dam is usually built by masonry that is basically stones,bricks and cement and in which the force that holds the dam in place against the push from the water is earth's gravity pulling down the mass of the dam
What is the main energy source for a hydroelectric dam?
Gravity
How do determine position of drainage gallery in a gravity dam?
Draingae
What are the relative advantages and disadvantages of the gravity dams over earth dams?
Advantage of a gravity dam is that every section will be stable and reliable. An Earth dam can overflow and collapse because of erosion.
What type of resource is the Hoover Dam?
Hoover Dam is what is called an arch-gravity dam. The name curved-gravity dam or arched dam might also be applied. This type of dam uses a curve or arch which has it's apex or "top" directed ''against'' the force of the water it is retaining. This sets up a condition wherein the water will compress the dam against the sides to which it is anchored. Less material fill is required to hold this dam in place compared to a simple gravity dam. Use the link below to learn more. Another link will show lots of images of this and other dams of the same type.
What type of bridge is the Hoover Dam bridge?
gravity arch bridge
Which is the world's highest gravity dam?
the sardar sarovar dam built across river narmada in hirkud.
What is the process of creating a dam?
The process for creating a dam depends on the kind of dam, like a wooden or concrete one. For concrete dams, the main materials are concrete and steel reinforcements. The basic and most commonly used shapes to build dams include the buttress dam, the arch dam, the arch-gravity dam, and the multiple-arch dam.
What type of structure is a dam?
ANSWER A dam is an embankment/a dike made of concrete or earth or other material to form a water reservoir or a hydroelectric reservoir or a defensive barrier against the sea.
