What does buttress dam mean?

Definitions for buttress dam
but·tress dam

This dictionary definitions page includes all the possible meanings, example usage and translations of the word buttress dam.

Wikipedia

  1. Buttress dam

    A buttress dam or hollow dam is a dam with a solid, water-tight upstream side that is supported at intervals on the downstream side by a series of buttresses or supports. The dam wall may be straight or curved. Most buttress dams are made of reinforced concrete and are heavy, pushing the dam into the ground. Water pushes against the dam, but the buttresses are inflexible and prevent the dam from falling over. Buttress dams do however, run into certain problems that are not as prevalent in other dams. Even though they tend to be more economical they run the risk of not reaching the proper height required to become effective. An example would be as follows with a slope of 50 degrees the crown of each arch will have to be 0.84 feet farther forward at the crest than at the base for each foot of height. This defect will demand that the dam is either much taller than calculated or a lot wider to accommodate for the problem. Another issue is that the dam has to have a proper foundation of bedrock or other suitable material. If the buttresses for the dam are not properly seated the dam runs the chances of a possible collapse. Some problems that might occur during the construction of a buttress dam is cracks along the convex side near the cresting of the dam due to thermal stresses and the dam not being 'loaded'. Once the dam has been reinforced if cracks continue to occur the cracks will close once the force of the water is against it. John S. Eastwood an engineer, was a designer and proponent of buttress dams. Buttress or hollow gravity dams were originally built to retain water for irrigation or mining, the benefits of multiple-arch dams can be most readily seen when looking into small agricultural towns. These people lack the necessary capital to build massive and expensive gravity dams but they could finance lighter, cheaper, multiple-arch designs. An example of the benefits that come from buttress dams was Littlerock dam, completed in 1924 it helped gather water from the Littlerock and Palmdale district in California. Throughout their history prominent engineers have denounced multiple-arch dams due to having financial and professional stakes in gravity dams . However, a buttress dam remains a good choice in wide valleys and areas were solid rock is not present.As designs have become more sophisticated, the virtues and weaknesses of the buttress type dams have become apparent. The Romans were the first to use buttresses to increase the stability of a dam wall. Buttress dams of slab concrete construction became popular in the United States in the early 20th Century with the patented process of Norwegian-American civil engineer Nils F. Ambursen.

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Numerology

  1. Chaldean Numerology

    The numerical value of buttress dam in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of buttress dam in Pythagorean Numerology is: 7


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"buttress dam." Definitions.net. STANDS4 LLC, 2024. Web. 31 Oct. 2024. <https://www.definitions.net/definition/buttress+dam>.

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