Order Strengthening of slopes, vertical planning, terrasirovaniye
Strengthening of slopes, vertical planning, terrasirovaniye

Strengthening of slopes, vertical planning, terrasirovaniye

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Ukraine, Dnipro
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Description

Works on a terrasirovaniye and vertical layout, also strengthening of slopes. Terrasirovaniye of slopes - creation on slopes of platforms in the form of the wide steps limited to rollers for cultivation of fruit crops, grapes, etc.

By Terrasirovaniye of slopes of an old time it is extended in the countries with a mountainous terrain (Japan, India, Sri Lanka, the countries Yuzh. Africa, Turkey, Greece, Italy, etc.), in the USA; in the USSR - in the Caucasus, in Moldova, the republics Cf. Asia, etc. Fruit crops place at height. to 2-3 thousand m over level. seas., a little. below - grapes, are even lower on a slope - citrus fruit crops.

The step terraces arranged on slopes from 10-12 to 40-50 are most widespread'. They consist of the platform (cloth) of a terrace, an extraction (internal) slope, a bulk (external) slope and a berma - untouched part of a slope between two terraces. At the device of terraces with vertical slopes of a berma are absent, and the extraction slope of the terrace lying below is a bulk slope of the top terrace.

Terraces can be horizontal or with some bias on a longitudinal or cross profile. On shchebnisty soils (for example in Dagestan) arrange terraces with the vertical slopes which are laid out by a stone (dry masonry) up to 2 m high. Grebnevy terraces are widespread in mountainous areas of Uzbekistan - on horizontals pull out small flutes near which fill rollers for planting of trees. At a terrasirovaniye arrange the mountain drainage ditches regulating a drain. With a width of platforms of 4,5-5 m mechanized is possible. processing of the soil. On terraces width. St. 6 m place 2 rows of an apple-tree and a pear on lanes. At the device of terraces use bulldozers, plantazhny and usual plows

Often sites are located on slopes, slopes of ravines, on coast of the rivers. Quite often after construction works on a site the artificial relief is formed. Planning of such garden will demand the device of horizontal surfaces for landings, but full alignment of a surface is inexpedient therefore use a terrasirovaniye method. Terrasirovaniye of a site is a formation of horizontal ledges (terraces) strengthened by retaining walls.

Such design decision will help to protect the earth from a soil erosion, and retaining walls will prevent washing out of the soil. If the wall has the buried base, then for the prevention of stagnant remoistening of the soil surely lay the closed drainage system. Otherwise water will gradually destroy a retaining wall, and on a terrace it will be impossible to grow up plants. That it did not occur, along inside of a retaining wall lay the closed drainage with such bias that water left out of site limits. On terraces place decorative landings, lawns, gravel gardens, rock arias, reservoirs, kitchen gardens and even orchards.

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Strengthening of slopes, vertical planning, terrasirovaniye
Strengthening of slopes, vertical planning, terrasirovaniye
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