What is the dam deal together

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2018-03-25 11:19:08

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Let's Talk about what the dam is, and on the practical application of this structure.

what is a dam

What this is

Near dam mean an artificial hill in the form of a shaft, which is constructed of earth, stones. To build it from scratch. Let's take a closer look at the concept of “levee”.

The meaning of the word in different dictionaries are the same. We are talking about elevations that are building in the swamps, valleys, riverbeds of the large rivers along the coast. The main purpose of such structures is to conduct engineering works, construction of over-water road and rail cloths.

Features

So what is the dam at the present time? Primarily it is a protective structure protecting the roadway against possible flooding with water. In order to carry out the function entrusted to it, in full, the dam must rise above the water surface not less than one meter. There are certain requirements and constructed to the width of the protective strip.

So, for roads and Railways it should be wider than the road itself, and for seawalls width depends on soil stability. Also, take into account the kind of material used for construction.

dam the meaning of the word

The Specifics of creating

How to build the dam? What is its slope? Depending on the purpose, the establishment of such protective strips, choose different angle. For roads and Railways choose a soil that does not absorb water.

Mainly use sandy materials, clay for dikes shall not be used. Excavation slopes can be single or semi-double slope, width is calculated on the basis of one meter per meter height.

To increase the strength of the structure, using 2-8 meters high slopes make the ledges in the form of horizontal sites (berms) that increase the stability of the created structure.

Answering the question of what the Causeway, we note that it involves the location of the sandy soil layers. After laying one layer is necessarily compacted earth, only after that work is continuing to create a protective strip.

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In cases where the soil used to backfill the dams, not suitable for seeding, slopes or turf covered with a layer of soil 15-20 cm, and sow it with vegetation. River dikes are planted with shrubs of willow, to secure the surface.

Those slopes that are exposed to permanent water pressure, or waves, are additionally strengthened with stone to high water level. For new technologies, the slopes of the dams in the water doing more gentle compared with mountain views.

To strengthen the erected structure used stakes to block rows and fences of brushwood.

During the construction of the dam in a swampy area, first in the ground dug a deep trench, tamped it with clay, and only on the basis carry out all subsequent construction work.

dam which means

Conclusion

In search of the answer to the question, what is a dam, we managed to find out the purpose of this building. Without these bulk bands it would be impossible to interconnect, for example, Saint Petersburg and Kronstadt.

Of Course, the cost of such construction work, billions of rubles, as well as a huge time-consuming, but the result in the end, it is possible to fully pay for all incurred expenses.

Before the construction of the dam, the project has a huge number of experts. Conducted detailed soil investigations, analyses the feasibility and possibility of creation of the dam. Thereafter, calculations for number of required embankment materials are selected for construction, and only after this the approved project is implemented in reality.


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ZH: https://tostpost.com/zh/education/3583-what-is-the-dam-deal-together.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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