Doka - Concrete Formwork - Climbing Systems

Aiming High with High Expectations Taller and taller buildings, more and more complex bridge structures, ever-more difficult layouts -- these are typical of the architecture of our times. All over the world. Doka technicians work closely with the client's planners to put together the most suitable solutions, exactly tailored to each individual situation and to the requirements of the structure.Doka helps you decide which is the right system for you-- and for your success on the site. Individually, flexibly, and thus efficiently. Doka's modular system, based on its decades of experience of widely varying construction tasks -- in many different countries, and covering the entire architectural spectrum -- means that it can deliver the right climbing technology solution in every case. For both crane-lifted and self-climbing systems, Doka has the biggest and most flexible range of offerings on the market --anywhere in the world. What they all have in common is this: The very highest standard of safety, combined with extremely high cost effectiveness and easy, safe handling.



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Formwork Systems: Actual Setting and Flying Out of FASI Table Forms - Part 3

URL: www.fasiformsystem.com Formwork Systems Actual Setting and Flying Out of FASI Table Forms. Forming Access and Support Inc. (FASI) Sales, Rental and Management of Affordable, Most Practical, Most Sophisticated Formwork Systems -- FASI Form System. FASI Table Forms are the most sophisticated table form system in the world for Beam and Slab Structure. It can be assembled to support various soffit heights. FASI is primarily engaged in the design, manufacturing, sale and rental of its own Fasi Form Systems for formworks and scaffolding supportwork systems for construction of concrete structures such as a wide array of wall forms and flying table forms and various accessories of products with technical support services. We have been proven as a dependable supplier of formwork and scaffolding requirements, which is an important ingredient to the success of any concrete structure project. A formwork company that provides a high level of expertise in formworks and scaffolding for the needs of contractors and a company that is developed for global competition. Already a proven expert in the Philippines, FASI has achieved an established market of their high quality formwork systems and competent engineering services in the Middle East and key regions in Asia. Beyond providing outstanding formwork products, FASI offers unmatchable formwork solutions, working closely with individual contractor-clients from beginning to end of every building project to make sure the FASI formwork ...



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www.wallties.com WTF Concrete Formwork System (Wall-Ties & Forms, Inc.) WTF aluminum formwork is a rapid paced construction system for forming cast in place concrete structures. WTF provides aluminum formwork for reinforced concrete construction of single and multi-story buildings and enables the walls and slab to be placed monolithically in the same operation. This increases efficiency, and also produces an extraordinarily strong structure with excellent concrete finish. Due to the fine tolerances achieved in the aluminum formwork components, consistent concrete shapes and finishes are obtained floor after floor, building after building, conforming to the most exacting standards of quality and accuracy. This allows plumbing and electrical fittings to be prefabricated with the certain knowledge that there will be an exact fit when formwork is assembled. The dimensional accuracy of the concrete work also results in consistent fittings of doors and windows. The smooth finish of the concrete greatly reduces or eliminates the need for costly plastering. The WTF formwork system has been used in the construction of hundreds of thousands of structures including residential and commercial structures in single story, low rise, and high-rise construction. It has been proven to be very successful in the construction of mass housing projects worldwide. It is fast, simple, adaptable and very cost effective. The WTF formwork system is unique because it forms all of the concrete in the ...



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www.smartblockplus.com New building tecnology of costruction concrete reinforced monolith fireproof wall . Innovative technology construction of Science & Emerging Technologies: Application of building energy saving The innovative technology Fortified insulated concrete forms by formwork blocks thermal acoustic "remain" EPS SmartBlockPlus o ICF for safer living program specifies construction of building echo compatible , design and landscaping guidelines to increase a new home's resistance to natural disaster from the ground up. All regions of the planet are exposed to one or more extreme weather events, such as high wind, wildfire, flood, hail and earthquake. Indeed, the innovative technology of polystyrene foam formwork high-density in blocks thermal acoustic "remain" EPS SmartBlockPlus or ICF ensure the best compromise of structural reliability in comparison with conventional technologies. Highlights the many benefits that can be gained from using Insulated Concrete Form (ICF) Construction. New proprietary design building with no thermal bridge, Energy Efficient "Green" panels polystyrene expanded are the complete framing and insulating system for your building structure - walls, floors and roof. The newest generation of structural insulated panels forms- not sandwiched. The technology 100% recyclable. Reduce air conditioning and heating capacity by 1/3. Reduce greenhouse gas emissions and aid in efforts to stop global warming. The Innovative technology resistant to ...



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Affordable, Practical and Sophisticated Formwork Systems: FASI Sales, Rental and Management

URL: www.fasiformsystem.com Forming Access and Support Inc. (FASI) Sales, Rental and Management of Affordable, Most Practical, Most Sophisticated Formwork Systems -- FASI Form System. FASI is primarily engaged in the design, manufacturing, sale and rental of its own Fasi Form Systems for formworks and scaffolding supportwork systems for construction of concrete structures such as a wide array of wall forms and flying table forms and various accessories of products with technical support services. We have been proven as a dependable supplier of formwork and scaffolding requirements, which is an important ingredient to the success of any concrete structure project. A formwork company that provides a high level of expertise in formworks and scaffolding for the needs of contractors and a company that is developed for global competition. Already a proven expert in the Philippines, FASI has achieved an established market of their high quality formwork systems and competent engineering services in the Middle East and key regions in Asia. Beyond providing outstanding formwork products, FASI offers unmatchable formwork solutions, working closely with individual contractor-clients from beginning to end of every building project to make sure the FASI formwork technology interfaces seamlessly with their projects' needs. Forming Access and Support Inc. (FASI) Sales, Rental, Management Affordable Formwork, Less Cost Formwork, Formworks Systems, Plastic Panel, Panel System, Table Form ...



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Formwork Systems: Actual Setting and Flying Out of FASI Table Forms - Part 1

URL: www.fasiformsystem.com Formwork Systems Actual Setting and Flying Out of FASI Table Forms. Forming Access and Support Inc. (FASI) Sales, Rental and Management of Affordable, Most Practical, Most Sophisticated Formwork Systems -- FASI Form System. FASI Table Forms are the most sophisticated table form system in the world for Beam and Slab Structure. It can be assembled to support various soffit heights. FASI is primarily engaged in the design, manufacturing, sale and rental of its own Fasi Form Systems for formworks and scaffolding supportwork systems for construction of concrete structures such as a wide array of wall forms and flying table forms and various accessories of products with technical support services. We have been proven as a dependable supplier of formwork and scaffolding requirements, which is an important ingredient to the success of any concrete structure project. A formwork company that provides a high level of expertise in formworks and scaffolding for the needs of contractors and a company that is developed for global competition. Already a proven expert in the Philippines, FASI has achieved an established market of their high quality formwork systems and competent engineering services in the Middle East and key regions in Asia. Beyond providing outstanding formwork products, FASI offers unmatchable formwork solutions, working closely with individual contractor-clients from beginning to end of every building project to make sure the FASI formwork ...



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Formwork Systems: Actual Setting and Flying Out of FASI Table Forms - Part 4

URL: www.fasiformsystem.com Formwork Systems Actual Setting and Flying Out of FASI Table Forms. Forming Access and Support Inc. (FASI) Sales, Rental and Management of Affordable, Most Practical, Most Sophisticated Formwork Systems -- FASI Form System. FASI Table Forms are the most sophisticated table form system in the world for Beam and Slab Structure. It can be assembled to support various soffit heights. FASI is primarily engaged in the design, manufacturing, sale and rental of its own Fasi Form Systems for formworks and scaffolding supportwork systems for construction of concrete structures such as a wide array of wall forms and flying table forms and various accessories of products with technical support services. We have been proven as a dependable supplier of formwork and scaffolding requirements, which is an important ingredient to the success of any concrete structure project. A formwork company that provides a high level of expertise in formworks and scaffolding for the needs of contractors and a company that is developed for global competition. Already a proven expert in the Philippines, FASI has achieved an established market of their high quality formwork systems and competent engineering services in the Middle East and key regions in Asia. Beyond providing outstanding formwork products, FASI offers unmatchable formwork solutions, working closely with individual contractor-clients from beginning to end of every building project to make sure the FASI formwork ...



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Formwork Systems: Actual Setting and Flying Out of FASI Table Forms - Part 2

URL: www.fasiformsystem.com Formwork Systems Actual Setting and Flying Out of FASI Table Forms. Forming Access and Support Inc. (FASI) Sales, Rental and Management of Affordable, Most Practical, Most Sophisticated Formwork Systems -- FASI Form System. FASI Table Forms are the most sophisticated table form system in the world for Beam and Slab Structure. It can be assembled to support various soffit heights. FASI is primarily engaged in the design, manufacturing, sale and rental of its own Fasi Form Systems for formworks and scaffolding supportwork systems for construction of concrete structures such as a wide array of wall forms and flying table forms and various accessories of products with technical support services. We have been proven as a dependable supplier of formwork and scaffolding requirements, which is an important ingredient to the success of any concrete structure project. A formwork company that provides a high level of expertise in formworks and scaffolding for the needs of contractors and a company that is developed for global competition. Already a proven expert in the Philippines, FASI has achieved an established market of their high quality formwork systems and competent engineering services in the Middle East and key regions in Asia. Beyond providing outstanding formwork products, FASI offers unmatchable formwork solutions, working closely with individual contractor-clients from beginning to end of every building project to make sure the FASI formwork ...



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Understanding Concrete Formwork Pressure

It is important to know and understand the factors that can affect concrete formwork pressure to ensure a successful pour. When placing concrete, we will consider the different factors that play a role in determining the placement rate and height of pour.

Unit Weight of Concrete

The unit weight of concrete, which can vary geographically, is typically 140 to 150 pounds per cubic foot. Concrete weighing less will have a lower concrete form pressure, while concrete weighing more will increase the pressure.

Height of Concrete Pour

Height of concrete pour means the total height of the wall that concrete is being placed during one pour. concretepressure=unitweightxheight

If the concrete is not achieving initial set between lifts, then this is what the concrete formwork pressure would be. Ideally, it is good practice to place concrete so that each lift reaches initial set.

Setting Time

The following factors will affect concrete set up time. Once concrete is set up there is zero concrete pressure.

Concrete mix chemistry

- This affects the concrete formwork pressure. Factors include: cement type, slag or fly ash and retarders

- all of which increase formwork pressure. Subsequently, accelerators speed up the setting time and reduce pressure.
Concrete temperature

- Higher temperature equals shorter setting time. The ambient temperature will affect the concrete temperature; therefore, one would use a slower rate of placement in the winter.
Vibration method and depth

- Any consolidation method, internally or externally, should be done by lift. Disturbing the lift will affect the set up of previous lifts, increasing the unset height of the concrete, creating greater formwork pressure.
Rate of placement and method - This affects the concrete pressure

- slow placement results in less pressure. The rate of placement is in feet per hour.

Example: If concrete was placed in a 10foot wall and it took two hours; the placement rate would be 5 feet per hour.
Concrete flowability

- Concrete with a slump of 7.0 or greater, as well as self consolidating concrete (SCC), has no initial setting time.
Wall thickness

- In theory, the wall thickness does not affect concrete formwork pressure; however, a narrow wall may produce lower pressures due to bridging effects.
In summary, the main factors that will affect the concrete formwork pressure include the rate of placement, concrete mix and temperature. Generally, the rate of placement should be lower in the winter than summer. Essentially it doesn't matter how many cubic yards are placed per hour or how big the project is. What matters is the rate of placement per height and time (height of wall poured per hour).

This information is intended to provide knowledge that can then be used in the decision making of placing concrete by being cognizant of the different factors affecting the concrete formwork pressure.

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