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Renovação das Torres Kielpark

Renovação das Torres Kielpark

The new Kielpark towers will be a tribute to the current towers. The building is equipped with the most sustainable techniques, such as a collective heating installation that works with a heat pump, solar panels for electricity in the common areas, extra insulation, and low temperature floor heating and precast concrete panels.

Dextra supplied Groutec couplers for precast concrete panel connection to slabs. Precast construction technique contributes to sustainable building practices in significant ways:

  • Require less materials such as grout, rebar, and concrete
  • 3x faster construction cycles compared to cast in place = less pollution, and waste
  • Offsite construction= 20% less man-hours compared to conventional corrugated pipes
  • Ensure accuracy and reduce mistakes during the installation at site
  • Mega Home Chiang Mai

    Mega Home Chiang Mai

    Mega Home is a prominent operator of home and construction materials chains in Thailand with more than ten branches across the country. In recent years, Mega Home has been investing in its mega expansion projects, including the construction of its flagship store in Chiang Mai.

    Mega Home turned to Groutec couplers. Groutec couplers are a proven solution for connecting precast columns to foundations. They are designed to provide a reliable and durable connection that can withstand the rigors of construction.

    Groutec couplers are designed to be easy to install, which made the construction process smoother and faster. The couplers work by connecting the steel reinforcement bars in the precast columns to the reinforcement bars in the foundation. This creates a strong and stable connection that ensures the structural integrity of the building.

    The use of Groutec couplers also provided several other benefits to the Mega Home Chiang Mai construction project. For example, the couplers allowed for the use of smaller diameter reinforcement bars, which reduced the overall weight of the precast columns. This, in turn, reduced the size and weight of the cranes required for installation, making the construction process more efficient.

    Groutec couplers also provided a cost-effective solution for the project. They eliminated the need for welding or other costly connection methods, which helped to keep the overall cost of the project within budget.

    The successful completion of the Mega Home Chiang Mai project was a testament to the technical expertise and experience of the construction team. By using innovative and proven solutions like Groutec couplers, the team was able to overcome the challenges of the project and deliver a high-quality building that will serve Mega Home customers for many years to come.

    Laboratório de Isolamento da Universidade Tecnológica de Nanyang (NTU)

    Laboratório de Isolamento da Universidade Tecnológica de Nanyang (NTU)

    O novo laboratório de vibração ultrabaixa da Universidade Tecnológica de Nanyang (NTU) está sendo construído.

    Como o equipamento de teste não pode ser posicionado dentro de um raio de 1,5 m de quaisquer elementos magnéticos, os vergalhões Dextra GFRP foram instalados em lajes de base e lajes flutuantes em substituição aos vergalhões de aço. Os vergalhões GFRP foram entregues na quantidade de 3.000 metros lineares.

    Os vergalhões GFRP permitem que os empreiteiros substituam os vergalhões de aço por reforços compostos não corrosivos e não metálicos. Oferece desempenhos de tração muito elevados para um peso leve: até 8 vezes a relação desempenho/peso do aço.

    SeaWorld Abu Dhabi

    SeaWorld Abu Dhabi

    SeaWorld Abu Dhabi is an under-construction marine life theme park and animal research, rescue and rehabilitation center, planned to open in 2023 on Yas Island in Abu Dhabi, United Arab Emirates.

    It will be the first SeaWorld park outside of the US, under a license from SeaWorld Parks & Entertainment. The Abu Dhabi-based company Miral is the owner and operator of the project.

    Dextra have supplied 400,000 Bartec couplers for the connection and reinforcement of columns, beams, and slabs.

    Moreover, 20,000 linear meters of cuttable GFRP (Glass Fiber Reinforcement Polymer) rebar have also been installed in the overlay slabs of the swimming pools, replacing steel rebars as the product of choice.

    Thanks to its durability and corrosion-free nature, GFRP is an ideal material when the concrete structure is surrounded by water.

    Dextra GFRP Rebar

    Source of images: https://www.constructionweekonline.com/projects-and-tenders/267779-construction-of-mirals-seaworld-abu-dhabi-hits-40-milestone, https://www.thenationalnews.com/lifestyle/things-to-do/2023/05/22/seaworld-abu-dhabi-opens-with-star-studded-event/

    Um centro da cidade (OCC)

    Um centro da cidade (OCC)

    One City Center (OCC) é um projeto de edifício de escritórios de 61 andares no coração de Bangkok, na Tailândia.

    O edifício é organizado por duas massas – o núcleo elegante a oeste e o espaço de escritório de vidro a leste. A torre é definida pela intersecção destes dois volumes e envolvida pelo sistema estrutural diagonal que envolve o núcleo.

    150.000 acopladores de vergalhões Bartec e 20.000 barras com cabeça foram instaladas na subestrutura e superestrutura subterrânea como segue.

    Subestrutura subterrânea:

  • Aplicado em paredes de diafragma.
  • Para reforçar vergalhões de aço na fundação da esteira.
  • Para simplificar o construção de cima para baixo processo.
  • Para facilitar a etapa de concretagem da fundação em manta (barras com cabeça).
  • Superestrutura:

  • Aplicado em paredes centrais.
  • Usado como cavilha para barras iniciais.
  • Para conectar colunas e colunas para vigas.
  • Para facilitar o trabalho de construção em aberturas temporárias.
  • A conclusão do projeto está prevista para o último trimestre de 2022.

    Fonte das imagens: https://www.facebook.com/onecitycentrebangkok/

    Desenvolvimento da Central Elétrica de Battersea: A Revitalização de um Marco do Reino Unido

    Battersea Power Station Development:

    The Revitalization of a UK Landmark

    Battersea Power Station was a decommissioned coal-fired power station, located on the south bank of the River Thames, in Nine Elms, Battersea, in the London Borough of Wandsworth.

    The power station was one of the world’s largest brick buildings and one of the last major symbols of London’s industrial past.

    After the building remained empty for almost 40 years, a redevelopment plan kicked off with the mission to build a new iconic London landmark.

    The 3rd phase consists in the creation of the so-called ‘Electric Boulevard’, which will include a connection to the Northern Line Extension station, more than 1,300 residential units, a 160-room hotel, retail spaces, restaurants and leisure facilities.

    Dextra has been supplying several rebar coupler solutions to the site.

    More than 100,000 Griptec and Rolltec cast-in-situ couplers were applied in masonry cells to alleviate the problem of rebar congestion due to long lap length.

    Moreover, precast concrete panels reinforced by rebars were used in the building, equipped with 30,000 Groutec couplers for onsite connection of continuation bars.

    The panels were easily lifted into place at the construction site: coupler cavities were then filled with non-shrink grouting mortar through the injection holes.

    Finally, 3,000 Unitec bolted couplers were installed on rebars for repair works. These couplers were used to replace the damaged reinforcements with new ones and to connect to the finished structure.

    The mixed-use community is anticipated to be completed in 2020 and to become a new landmark for locals, tourists and residents.

    O Link La Défense

    O Link La Défense

    The Link is a 242-meter-high skyscraper in France, and one of the most recognizable structures in the heart of Europe’s largest business district. The building, located in Paris La Défense, will be the tallest high-rise in the country and a prime example of innovative engineering and cutting-edge technology in the world of architecture.

    One of the key factors that sets this building apart from others is the use of Dextra’s Fortec coupler for the reinforcement of its structure. Fortec coupler is a highly advanced and innovative solution for reinforcing concrete structures, and it was used throughout the building to ensure maximum strength and stability.

    The building is being constructed with a focus on sustainability and durability. The use of Fortec coupler was an important part of this effort, as it provides a reliable and long-lasting solution for reinforcing concrete structures. The coupler is made of high-strength steel, which makes it extremely durable and able to withstand the harsh weather conditions in the La Défense area.

    Fortec coupler also offers a number of benefits over traditional reinforcement methods. For example, it is faster and easier to install than traditional reinforcement methods, which helps to reduce construction time and costs. It also helps to maintain the structure’s integrity even in the event of an earthquake or other natural disaster.

    The Link La Défense building is set to be a marvel of modern engineering, and the use of Fortec coupler is a critical component in its design. The coupler’s durability, reliability, and sustainability will ensure that the building remains a prominent structure in the La Défense area for many years to come.

    Image credit: www.skyscrapercity.com, thelink-ladefense.com, The Link © PCA-Stream

    Museu Guggenheim

    Museu Guggenheim

    Guggenheim Abu Dhabi is a museum of modern and contemporary art, located in Saadiyat Island cultural district in Abu Dhabi, United Arab Emirates. As this awe-inspiring museum took shape, numerous challenges needed to be overcome, and Dextra provided crucial reinforcements to the structure, ensuring its stability, durability, and overall success. We supplied an astounding 140,000 Bartec couplers, 30,000 RepairGrip couplers, 50 tons of Geotec rock bolts, and 199 sets of DCP anchors, contributing significantly to the construction of this iconic masterpiece.

    Strengthening the Structure with Bartec Couplers:

    The Guggenheim Abu Dhabi stands tall and proud, thanks to the reinforcement provided by Dextra’s Bartec couplers. With a supply of 140,000 Bartec couplers, Dextra ensured that the concrete reinforcement in the structure remained robust and resilient. These couplers provide a reliable mechanical connection between reinforcing bars, enhancing the overall strength of the structure.

    Seamless Rebar Connection with RepairGrip Couplers:

    The use of 30,000 RepairGrip couplers helps connect rebars with no prepared threads, ensuring a seamless connection of rebars and minimizing the risk of structural failure.

    Stabilizing Rocks with Geotec Rock Bolts:

    In addition to the couplers, Dextra provided 50 tons of Geotec rock bolts to stabilize the rocks surrounding the museum. These rock bolts serve as critical anchors, reinforcing the natural formations and enhancing their stability. By utilizing them, the construction team effectively mitigated the geological risks associated with the site, ensuring a secure foundation for the museum.

    Retaining the Seawall with DCP Anchors:

    The museum, standing gracefully on the shores, required robust seawall retention, and Dextra’s DCP anchors provided the ideal solution. With the supply of 199 sets of DCP anchors, the seawall was reinforced and secured effectively. The anchors offer reliable and efficient retaining solutions for coastal structures, providing stability in the face of dynamic forces such as waves and tides.

    Upon completion, it is planned to be the largest of the Guggenheim museums.

    Mega Reservatórios do Catar

    Mega Reservatórios do Catar

    Qatar’s General Electricity & Water Corporation (KAHRAMAA) is currently building fresh water reservoirs to store the equivalent of 7 days of Qatar’s national consumption of fresh water at WHO (World Health Organization) standards. The primary reservoirs are located in five different sites in Doha area: Um Baraka, Um Salal, Rawdat Rashid, Abu Nakhla, and Al Thumama.

    The first phase of the project involves the construction of 5 mega reservoir sites, and will support the expected water demand at horizon 2026. The second phase includes the construction of 16 additional reservoirs within the five existing mega sites. With a capacity of 3.5 million m3 each, the Reservoirs are among the largest of their kind in the world.

    For this project, Dextra Middle East delivered more than 3 million Bartec couplers to the rebar fabricators and contractors involved on the different packages.

    Project requirements regarding corrosion protection specify that the complete reinforcement, including couplers, should be epoxy coated. Dextra is therefore delivering all Bartec couplers with epoxy coating, giving them a distinctive green look.

    qatar-reservoir-epoxy-bartec

    Couplers are used in the raft and columns all over the different reservoirs as a way to reduce steel congestion and generate savings.

    For more information about Dextra solutions and project in the Middle East, please contact our Dubai office.

    Fujairah Port Service Harbour Marine Works & Buildings

    Serviço Portuário de Fujairah Obras e Edifícios Marítimos do Porto

    Dextra involved in the expansion of Fujairah Port in 2007, supplying more than a thousand tons of marine tie bar systems for the construction of the new Oil Terminal 2 and South Breakwater Berths.

    In 2017, Dextra took part in the service harbour construction project. The project includes the construction of the service harbor building, new quay walls, and marine works.

    Marine tie bars totaling about 380 tons were provided for the anchoring of the quay walls. The high-performance grade 700 bars, which enable a higher degree of performance for comparatively smaller diameters, were chosen to ease transportation and installation at site.

    For the new Service Harbour in the Port of Fujairah, two breakwaters are being built: the 800-meter-long northern breakwater and the 1.2-kilometer-long southern breakwater, which features varied rock grades.

    Source of images: https://overseas-ast.com/projects/fujairah-port-service-harbour-marine-works-buildings/

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