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Kodu vald, Saue municipality edition

E-Betoonelement, operating in the village of Vatsla, in the municipality of Saue in the Harku municipality, promptly argued that the concrete was cold, gray and bored.

Tegelikult on betooni näol tegemist äärmiselt põneva ja hulgaliselt erinevaid võimalusi pakkuva materjaliga. Betooni viimistlus võib kõikuda hallist vormipinnast kuni eksklusiivse kõrglihvitud sinise pinnani. Lõputu hulga kordumatuid variatsioone pakub erinevate pinnatöötlusviiside omavaheline kombineerimine ning betooni eksponeerimine koos klaasi, terase, plastiku, puidu ja teiste materjalidega. Isegi graafilise pildi iseendast võib soovi korral oma kodumaja välisfassaadile vormida. Seda, et betoonist majaseinu, katuseid ja teisi suuremõõdulisi ehituselemente valmistatakse, on üldteada. Aga E-Betoonelemendis valmistatakse ka väikevorme - pinke, prügikaste ja skulptuure. Näiteks sai just mõned nädalad tagasi ettevõte Aasta Betoonehitise konkursil eripreemia Tallinnale ja Pimedate Ööde Filmifestivalile kingitud kuu poole ulguva hundiskulptuuri eest.

E-Betoonelement kuulub rahvusvahelisse kontserni Consolis Grupp ja opereerib Eestis kolme tehast. Lisaks Vatsla külas tegutsevale tehasele on tootmisüksused veel ka Tamsalus ja Rakveres. Vatslas töötab ühtekokku ca 120 inimest, tõsi küll, vallaelanikke on nende seas paar-kolm. Tehas töötab kolmes vahetuses ja ööpäevaga toodetakse umbes kolme Veskimöldre lasteaia mahus betooni. Oma lähema kogukonna – Saue valla – peale mõeldes, on ettevõte toetanud näiteks Harku Hooldekodu ja pooleli on projekt Laagri Lasteaiale mänguväljaku elementide paigaldamisega. Aga ollakse valmis kaasa lööma rohkemgi - valla oma vapilooma (kui see peaks tekkima) vormi valama või läbi ekskursioonide koolilastele insenerteadusest esimesi vihjeid andma. Kooskõla keskkonnaga – see on ettevõte moto nii ehituses ja samavõrd kehtib kokku kõlamise tahe ka tegutsemiskeskkonnaga.

Municipality governer at excursion:

On March 11, a municipality governor (left) was pressed helmet on the head and safety vest on, on the left (and left) and brought directly to the object. A review was taken of the production slurry and the process of molding the liquid gray mass of cement, gravel, sand and water, and then either the compact stairs or the multi-square meter wall blocks are fascinated. Managing director of the wall elements (from the right) Andres Aas, company manager Vaido Leosk, skilled marketing manager Mari-Liis Tenno

VARIOUS PRODUCT PORTFOLIO
Ettevõte on osaline olnud suurehitiste valmimisel nii Lätis, Venemaal kui ka koduses Eestis. Veel enam - ka Saue vallast saab näiteid tuua. Eramud ja ridaelamud Laagris, korterelamud Veskimöldres, aga ka kõigile teadatuntud Laagri Maksimarket ja RAM lasteaed Veskimöldres.

Company: E-Betoonelement AS
Location: Vatsla village, www.betoonelement.ee
Field of activity: development of concrete concrete solutions, design, fabrication and installation of elements
Turnover in 2009: 177 million kroons

Product portfolio: frame, roof and slab systems, wall and facade systems, stairs, wind turbine masts, parking system systems, bridges, viaducts, tunnels, small forms (benches, sculptures), etc.

Ajakiri Ehitaja
Mart Arro, AS E-Betoonelement marketing manager

Since wind energy has become one of the most important sources of renewable energy, while also creating a completely new industry, it is important to understand how to collect wind energy most effectively. Until today, wind turbine towers have been mostly manufactured from steel; however, it is reasonable to use concrete for building more powerful and higher towers.

Mast

Many years ago, wind generators mostly served agricultural purposes, for example, grinding grain and pumping water through the energy they received. Many of these masterpieces made by man have survived to this day.

In the history of wind generators with both horizontal and vertical axes, as well as single, double and triple generators, have been tested.

How to get energy from the wind?
It can be calculated using the simplified formula P = KD2V3, where P is energy; K-factor; D-rotor diameter; V-wind speed. In other words, the energy from the wind is proportional to the rotor's diameter and the wind velocity cube.

Higher masts are reasonable to build from prefabricated concrete
The use of 2.5-3MW turbines in the field of wind turbines to be set up in the countryside is a standard, which presents a major challenge to wind turbines in the towers. For example, a 2.5-3MW turbine with a 100-meter diameter rotor will weigh about 150 tons.

The concrete structure provides the tower with sufficient rigidity for large turbines and long blades, helping to control vibration and secure the turbine without disturbing work. It is also easier to create a resonant-proof mastic solution.

In the case of metal towers, the sections are joined together with bolts and hundreds of bolts are needed to make one mast. Under constant vibration conditions, the bolts must be checked continuously.
The concrete tower elements to be erected are of high quality because they are manufactured under controlled conditions of the factory, of high quality concrete.

Access to wind farms is often limited, roads are narrow and curvy. During design, the size of the elements to be assembled is selected in such a way as to ensure easy access to even the hardest accessible objects.

Concrete is environmentally friendly material, well-accessible and at a relatively stable price, and its use helps to reduce the risks associated with the project.
For concrete masts over 100 m high, the concrete solution gives a significant price advantage in front of the steel, as the diameter of the mast and the thickness of the steel sheet used for its construction increase significantly.

A concrete tower 100 meters high weighs up to 1,500 tons
The E-Betoonelement product portfolio has two mast based on mounting solutions - 100-110m high concrete towers, in which the concrete section extends to the turbine or 100 to 150m high hybrid towers, a combination of concrete and steel tower.

The masonry of a concrete wind turbine is a truncated cone with a wall thickness of approximately 30 cm. This concrete masonry, in turn, is divided into cylinders placed on top of each other, approximately 10 to 15 m in size, which in turn is divided into segments or assembled elements.

The E-Betoonelement offers its customers a complete solution of concrete masonry from its design, finishing the tower assembly and after-tensioning at the construction site.

The ever-growing demand for wind energy has added wind turbine towers made of precast concrete elements into the product range of Consolis enterprises, incl. E-Betoonelement. As wind energy has become one of the most important sources of renewable energy in the world, Consolis offers its clients concrete towers that provide an alternative solution to steel. So far, wind turbine towers on mainland have been primarily built of steel, because the heights of towers have mostly remained below 100 metres and the capacities of turbines have been low, less than 2 MW.

More powerful turbines need to be installed on top of higher towers where the wind is stronger. It is financially practical to use concrete when building 100-150-metre high towers. Concrete towers can be built entirely of concrete or as a hybrid of concrete and steel, in the case of which the lower part of the tower is made of concrete and the upper part of steel. The sister company of E-Betoonelement, Parma Oy, has already entered into a contract for manufacturing the first four hybrid towers of concrete-steel. The windmills will be set up in Hamina, 100 km east of Helsinki. The agreement of Parma Oy includes the technical design of the concrete part, production, transportation and assembly. The height of the tower is approximately 100 m, of which half is formed of concrete and the other half of steel.

Read more about wind turbine towers here.

The wolf sculpture given as a gift to the city and the Black Nights Film Festival (PÖFF) earned a special prize to E-Betoonelement at the competition of the best concrete building.

E-Betoonelement nominated the PÖFF wolf to the competition “Concrete Building of the Year 2009” to promote the use of concrete more widely and show that, independently, concrete is a beautiful material for creating a better living environment.
E-Betoonelement nominated the PÖFF wolf to the competition “Concrete Building of the Year 2009” to promote the use of concrete more widely and show that, independently, concrete is a beautiful material for creating a better living environment. The jury found that even though the competition rules do not allow a concrete wolf wailing towards the moon to win the title of the concrete building of the year, because it is not a building, the wolf was nevertheless their big favourite. The wolf statue was also the first sculpture among the nominees throughout the ten-year history of the competition and, if we exclude street barriers, the first concrete sculpture altogether. The jury decided unanimously that concrete sculptures are an interesting challenge for concrete manufacturers and there should be more of such statues in Estonia. Therefore, the concrete wolf was awarded a special prize for its tasteful outlook and flawless realisation.

Special prize at the competition “Concrete Building of the Year”: the wolf sculpture of PÖFF. ustomer: AS E-Betoonelement in co-operation with the Black Nights Film Festival (PÖFF). Author: sculptor Simson von Seakyl. Supplier of concrete products: AS E-Betoonelement.
In addition to the wolf sculpture of PÖFF, the jury highlighted elements delivered by E-Betoonelement for the production, warehouse and office building of Otto Bock Estonia AS which won the architect’s special prize at the competition “Concrete Building of the Year 2009”.

The architect’s special prize at the competition “Concrete Building of the Year 2009”: to Andres Kadarik for the production, warehouse and office building of Otto Bock Estonia AS. Customer: OÜ Industriaalvara OBE. Constructor: Timo Erik Brauer. Builder: Celander Ehitus OÜ. Supplier of concrete products: AS E-Betoonelement.
The opinion of the jury: The objective of the architect has been to value the simple production building with strongly articulated external finishing, using interesting sculptured and smooth concrete elements. This is a sympathetic architectural aspiration and everything that the architect aspired for has been nicely put into practice in the case of this building. The result is a fine-looking house without excessive elements. The most exciting part of the building is its element surface resembling a barcode which has been achieved by means of rubber form liners.

Concrete Building of the Year 2009: the office building of Tallink. Grand prize: Meelis Press, Meelis Press Architects. Customer’s prize: OÜ Fastinvest. Constructor’s prize: Finnmap Consulting OY. Builder’s prize: AS Merko Ehitus. Prizes to the supplier of concrete and concrete products: AS Rudus, AS Tartu Maja Betoontooted
The opinion of the jury: The office building of Tallink clearly stood out from the other nominees and received the first place with the majority of votes. The best aspects of the building are its decorative concrete crosses – the crosses’ surface that is of high quality and has no defects or cracks leaves no doubt that their preparation and assembly has required a great amount of work. The beautiful and striking staircase demonstrates clean concrete surface in interior design.

Aasta Betoonehitis 2009 arhitekti eripreemia: Alver Architects OÜ for the underground parking lot of the Liberty Square (in the territory of the Statue of Liberty to SWECO Project AS). Customer: Tallinn Municipal Engineering Services Department. Constructor: Estkonsult OÜ. Builder: AS Oma Ehitaja, Nordecon Betoon OÜ. Supplier of concrete and concrete products: AS Tartu Maja Betoontooted, AS HC Betoon.
The opinion of the jury: The work of the architect deserves to be highlighted the most. The architect had to manage the integration of historic wall parts into the building and their appropriate exposition, whereas they comprise a quarter of the surface of the whole structure. This is an honest and very concrete-like building in every way, and all concrete works have been carried out with excellent quality.

Favourite of the readers of the magazine Ehitaja (The Constructor). The pier of Virtsu Harbour was elected

Composed based on articles published in the magazine Ehitaja (The Constructor).

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