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English
English

HYDRAULIC EARTH-MOVING: QUALITY, EFFICIENT PERFORMANCE, ENVIRONMENTAL SECURITY

In 2009 it was seventy-one years since the method of hydraulic earth-moving had been first implemented in transport construction.
The hydro-mechanical technology was created originally as a single-functional branch within the system of Railway Ministry for railway crib material hydraulicking and construction of new railways. Eventually the technology became an integral part of the national economy as a method for construction of projects implying large scopes of earthworks, construction of projects in hard-to-get-at places and also in places where no dry borrow-pits are available. Besides hydraulic earth-moving is marked by certain decisive superiorities compared to other methods of construction.

The history of hydro-mechanical operations has accumulated the experience in construction of engineering structures using sandy soils with a high content of clay and sill particles making it possible to avoid removal and refill of the lower stratum. Hydraulicking has been widely used for construction of gentle-slope inundated embankments pro-viding a stable roadbed without additional slope protection as well as the possibility to run service lines along them. Also the hydro-mechanical technology (trestle-free thickener-involving hydraulicking without intake wells) has been used in construction of highly spec ial i zed structures.
The hydraulic method has been recognized in many countries 88 highly effective in performance of earthwork operations and some mining operations.
This method is most effective for shorter periods and larger scopes of operations such as bridge approaches, river developments, and hydraulicking of aquatic areas for both sea ports and river ports, dredging operations etc.

This method is essential for large projects in constructional engineering, industrial construction, also railway and highway construction. In certain operations such as mining of water-bearing sand and gravel aggregate deposits hydraulicking is in most cases the only one effective procedure making it possible to perform preparation of the massive material as well as its tossing, decontamination, hydraulic classification and grading.


Dae to the accumulated experience and extensive material and technical facilities hydromechanic method of earth-moving is efficiently used for the following operations:

  • railway construction, highway construction (roadbed hydraulicking), dam and bridge-approach hydraulicking, hydraulicking for industrial and civil construction sites,
  • oil-field and gas-field construction,
  • earth excavation in construction of aquatic areas for sea- and river-ports, river dredging operations, water reservoirclean-up,
  • sapropel production,
  • coombe and bottom land filling.
  • entombment hydraulicking on dangerous disposal sites and places of waste production storage,
  • navigation and irrigation canals, aquatic areas, sea- and river-ports,
  • dike dam and bank-protection beach hydraulicking.
  • dam construction and topping, dump construction, ash disposal and transportation,
  • overburden mining on mineral deposits,
  • flooded field nonmetalliferous structural and crib material mining, upgrading and classification,
  • moulding sand and glass-making sand production,
  • recreation site construction, artificial water reservoir construction.


HYDRAULIC EARTH MINING, TRANSPORTATION AND LAYING AS AGGREGATE TECHNOLOGY

    Hydraulic earth-moving has the following advantages:
  • low reference fuel energy-output ratio.
  • shorter setting time for weak base structures due to higher outer forces while hydraulicking.
  • possibility of earth natural classification in the process of depositing.
  • possibility to develop both flooded and dry borrow pits (water jet with the use of dredger pump method) and (consequently) larger borrow pit development, canal development (without draining or water drawdown operations),
  • possibility of more intensive earth conveyance to restricted areas (including canyons, structure pockets etc.) not easily accessible with motor transport,
  • no tote roads are required between pits and construction sites,
  • significantly smaller allot land area due to deeper pits.

Basic hydromechanical hardware manufactured by Tsimliansky industrial enterprise

Dredgers

Dredger modell

800 - 40

80-40ДГ

1400 - 40

1400 -40Д

180 - 60

1400 -40Д

300 - 70

220 - 60

Project

461

460

481

480

299

Ц480

цзоо

Ц220

Overall dimensions, m

18/ 7. 2/1.5

18/ 7.2/1.5

18/ 7.2/1.5

16/
7.2/1.5

22/ 9.2/1.5

22/7.2/ 1.75

29/ 8.2/1.75

22/8.2/1.75

Sinkage in transport position, m

0.75

0.82

0.79

0.95

0.83

0.95

0.9

0. 85

Suction dredger
capacity, m3/h

800

800

1400

1400

2000

1400

3000

2000

Dredger discharge head, m

40

40

40.70

40

63

40

71

63

Installed power, kVV

230

230

360

360

1020

360

1300

1050

Electric power installation

Е1-6Кв

6hla 23/30

Е1-6Кв

8hla
23/30

Е1-6Кв

8hla 23/30

Е1-6Кв El-ЮКв

Е1-6Кв El-ЮКв

Mec/hyd dredging depth, m

9/12

9/12

9/12

9/12

10/20

9/12

15/20

15/20

Slurry pipeline diameter, m

300

300

400

400

500

400

500

500

Displacement tonnage

79

83

79.5

87.5

150

91.6

145

135

Suction pump model

ГруТ

800/40

ГруТ

800/40

ГруТ

1400/70

ГруТ

1400/40

ГруТ

2000/63
16ГруТ
-8.М

ГруТ

1400/40

ГруТ

3000/71

ГруТ

2000/63

Suction dredgers

Suction dredgers model

ГруТ
860/40

ГруТ
1406/40

ГруТ
4000/71

ГруТ
3000/72

ГруТ
2000/63

Project №

423

424

420

Ц500

Ц510

Capacity
(by water), nvVh

800

1400

4000

3000

2000

Discharge head

40

40

71

72

63

Revolutions per minute

750

750

500

750

590

Drive power, kw-hr

230

330

1600

800

630

Efficiency factor

70

75

65

71

71

Rotor wheel diameter, mm

700

740

1360

1100

1050

Flow section, mm

150

150

215

180

180

Specified weight, t

3110

3550

13000

8100

7900

Компания участвовала в строительстве крупных и сложных объектов:

Куйбышевский, Волгоградский, Цимлянский гидроузлы.
Волго-Донской судоходный канал, Каракумский канал, Аму-Бухарский канал, Волго-Балтийский водный путь.
Инженерная защита от подтопления городов Ульяновска, Казани, Энгельса, Волжска, Камышина.
Железные дороги Тюмень – Тобольск – Сургут, Сургут – Уренгой, Рыбное – Узуново, Архангельск – Корпогоры, Асино – Белый Яр, Хребтовая – Усть-Илимская, Байкало – Амурская магистраль.
Автомобильные дороги Москва – Минск – Брест, Тюмень – Тобольск, Ростов – Батайск, Чита – Хабаровск, Комсомольск-на-Амуре – Хабаровск, Набережные Челны – Казань, Казань – Челябинск.
Спрямление русла реки Москвы в Нагатино.
Канонерский тоннель в Ленинграде, Замыв оврагов в Новосибирске.
Восточный порт в Находке.
Подходы к большим железнодорожным и автодорожным мостам.
Намыв территорий под жилищное строительство во многих городах страны.
Намыв площадок под кустовое бурение и автодорог к ним на нефтяных и газовых месторождениях Западной Сибири в условиях Крайнего Севера и Заполярья.

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