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Suppliers of: thermal breaks thermal bridging balcony rebars reinforcement, connectors load bearing connectors structural reinforcement balcony connectors thermal breaks
Schöck are specialists in the supply of innovative and effective solutions for applications such as structural thermal insulation, thermal bridging breaks and noise suppression in new buildings.
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Schöck are the UK suppliers of:
Schöck Isokorb® is the heat-insulating load-bearing thermal break for cantilever balconies. The Isokorb® prevents thermal bridging and is used for connecting reinforced concrete to reinforced concrete, reinforced concrete to steel and steel to steel balcony decks. Isokerb can be used on both new build and for upgrading of existing balconies and even offers an effective alternative to wrapped parapets.
Schöck Tronsole® for impact sound insulation Staircase noise is detrimental to the quality of living conditions and can reduce the value of a building. For high construction quality it is recommended to include top-quality impact sound insulation in sustainability planning. Schöck Tronsole® is an efficient solution. The perfectly matching system of impact soundproofing elements combines dependable sound insulation with simple installation. The Schöck Tronsole® variants are perfectly matched to each other and ensure efficient impact sound insulation that encompasses all structural element subsections on both straight and winding staircases.
The Schöck Thermoanker® is the energy-efficient alternative to conventional stainless steel lattice girders when connecting the concrete skins of core-insulated sandwich and element walls. Compact and easy to install, it also improves cost efficiency when prefabricating concrete parts. The Schöck Thermoanker® can be used in conjunction with any type of insulating material, thus offering prefabricating plants and architects a construction material for thermal breaks in façades that is fit for the future.
The point between the basement slab and outer walls is a danger area where thermal bridges and damp can easily form. Novomur® is an insulated block that prevents thermal bridging and damp penetrating buildings at ground level. It serves as the first course at the point where the basement ceiling forms the ground floor outer and inner walls. Novomur® thermal block is built into the first course of brick or blockwork and is available in all regular wall thicknesses: 100 mm, 115 mm, 150 mm, 175 mm, 200 mm and 240 mm and comes in 750 mm standard lengths.
Whether you are installing concrete slabs in high-rise buildings or supporting walls in underground garages: Distributing the shear forces in dilation joints usually requires additional time and effort. Schöck Dorn® are quite the opposite. The shear reinforcement and heavy-duty dowels for transferring shear forces in expansion joints are ready for installation and dispense with the need for complex detailed solutions. This shear reinforcement is affordable, reliable and intelligent.
The Schöck Bole® is an anti-punching shear system that offers specifiers the advantages of a free floor area. Non-load bearing partition walls are possible, lower noise and reinforcement expenditure, Bole allows room to work freely right up to the ceiling and full use of storey height.
For decades, steel has been the material of choice for reinforcement in concrete construction. But in particularly corrosive surroundings or construction that must be executed without steel, conventional steel rebar does not satisfy the relevant requirements. This is where Schöck Combar® glass fibre reinforcement offers all sorts of options.
Schöck customer support offers a totally comprehensive information service which includes: software, planning, in-house training, seminars and comprehensive technical specification details.
Further technical information is available to download from the BPi download Libraries or from the manufacturer’s own website.
Latest Wembley success for the Schöck Isokob
The 85 acre redevelopment of Wembley Park, in North West London, one of Europe’s largest regeneration projects continues apace. And one of the latest buildings to be completed is The Alameda (Spanish for ‘walkway shaded by trees‘), which sits next to the tree-lined Wembley Park Boulevard. The Alameda comprises two blocks, 10-storey and 15-storey, which provide 340 new residential apartments with cafes and restaurants planned for the ground level. The slide-on balconies, both at the front and rear of the buildings, are a striking feature of the new development – but critical to their structural and long–term insulation performance is the incorporation of Isokorb structural break units from Schöck. The type used in the detailing on the Alameda is a load bearing thermal element with 80 mm insulation thickness. Early involvement was necessary to ensure that the connectors were accurately cast into the building during the mainframe construction phase. A stub bracket was attached to the Isokorb units and the balcony cantilever support arm was then attached (same depth as the balcony) to the stub and the fully pre-assembled balcony chassis slid on to the cantilever arm and locked into position.
Thermal bridging is a critical issue
If there is ineffective insulation at the connection points, especially with so many balconies involved, there will be local heat loss, resulting in more energy being required to maintain the internal temperature of the building. This is a major consequence of thermal bridging, but there are other issues too. Low internal surface temperatures in the area of the thermal bridge can cause condensation, which leads not only to structural integrity problems with absorbent materials such as insulation products or plasterboard, but It also encourages mould growth, which can have serious health implications for residents, particularly older people and children, in the form of asthma and allergies. So for any project involving balcony connectivity the prevention of thermal bridging is a critical issue.
Construction dependability and freedom of design
As the leading international supplier of structural thermal breaks, Schöck has almost limitless variants available in its main Isokorb range, offering planners complete construction dependability and enormous freedom of design. The comprehensive Schöck Isokorb range offers solutions for concrete-to-concrete, concrete-to-steel, steel-to-steel, a thermally insulating connection for reinforced concrete walls – and even a maintenance free alternative to wrapped parapets. All products meet full compliance with the relevant UK building regulations; have NHBC approval; offer LABC Registration and independent BBA Certification. The temperature factor used to indicate condensation risk (fRSI) which must be greater than, or equal to, 0.75 for residential buildings, is also easily met by incorporating the Isokorb.
For a free copy of the Schöck Thermal Bridging Guide; the Schöck Specifiers Guide or to view the range of downloadable software, contact Schöck on 01865 290 890 or visit the website at www.schoeck.co.uk
Schöck Combar reinforcement for Eurotunnel power delivery
Already running almost 400 trains a day, Eurotunnel is forecasting a significant increase in traffic. But increasing the power of its network to ensure a constant flow of electricity is critical. A new Converter Station is being constructed – and it requires substantial concrete ground-bearing base units. Traditionally steel rebar has been used as standard reinforcement – but here Combar is the preferred material.
With more than 4.2 million vehicles and 20 million passengers travelling under the Channel each year, the Eurotunnel is recognized as the world’s busiest rolling motorway. It takes almost 400 trains a day to transport these numbers and traffic is forecast to increase significantly within the next few years. To meet this level of demand, Eurotunnel needs to substantially increase the power and stability of its network to ensure a constant flow of electricity. This is especially pertinent during peak demand times when up to eight trains can be running simultaneously inside the Tunnel. As a result, Eurotunnel has awarded GE Grid Solutions a contract to supply a Static Synchronous Compensator (STATCOM), to improve the stabilisation of power supply on the catenary traction system of the Channel Tunnel. Used on alternating current electricity transmission networks, this regulating device provides grid operators with reactive power compensation and an improved range of operational voltage.
World’s largest for a railway traction system
The new Converter Station will be sited at Folkestone in Kent; and when completed will be the world’s largest load balanced STATCOM technology connected to a railway traction system. It is claimed that the solution will reliably power almost double the Eurotunnel traffic capability. Michel Boudoussier, Chief Corporate Officer at Getlink (formerly Groupe Eurotunnel, the public company that manages and operates the Channel Tunnel) commented: ‘Our choice to go with GE’s STATCOM will put Eurotunnel at the forefront of electrical regulation technology for the new generation Velaro trains. It will also enable us to continue to purchase electricity where it is least expensive“.
Steel is not the ideal solution for reinforcement
The STATCOM utilises highly dynamic voltage source compensators and along with the reactor and transformers, the Folkestone Converter Station requires substantial multiple concrete ground-bearing base unit slabs. Traditionally steel rebar has been used as the standard reinforcement in constructions like this, but despite its inherent strength, steel is not the ideal solution for reinforcement – especially in electromagnetically sensitive environments. Where high electric currents are concerned, inductive currents are generated within the reinforcing steel. If located too close to these coils there will be a loss of strength as the steel rebar heats up. There are seven base units at the Folkestone site and all have Schöck Combar reinforcement specified, with a minimum design value tensile strength of 445N/mm2. The elements involved on the project are all part of the Schöck Combar range of ribbed reinforcing bars, made of corrosion resistant glass fibre bound by a vinyl ester resin. The reinforcement cages incorporate a combination of prefabricated bent bars, straight bars, tubes and spacers – all installed within the concrete ground-bearing base unit slabs – a total area of around 416 square metres.
A special two-part manufacturing process
It is the two-part manufacturing process which enables the ribbed GRP bars to meet the requirements of reinforcing bars. First, in the pultrusion process, high-strength glass fibres, bundled as densly as possible, are pulled through a closed chamber where they are impregnated with a synthetic resin. The parallel alignment of the fibres results in maximum strength of the material. The profiling process then sees the ribs cut into hardened bars and given a final coating. As the vinyl ester resin is diffusion tight and every glass fibre is completely surrounded by resin, the result is a durability in concrete of up to 100 years. Because the product is so highly durable, much stronger than steel, corrosion resistant and not electrically conductive, Schöck Combar reinforced foundations can be built near transformer coils and reactors.
The enclosures can be much smaller, without hindering the units performance, which significantly reduces construction and operating costs. Combar is therefore also ideally suited for installations in switchyards; steel mills; aluminium smelters; research and industrial facilities. Wider application examples include its easy machinability in tunnel construction and complete corrosion resistance when building bridge parapets and barrier walls.