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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.

    Fazenda Vertical Bustanica da Emirates

    A maior fazenda vertical do mundo

    A Fazenda Vertical Bustanica da Emirates é a maior fazenda vertical do mundo, uma ampla instalação agrícola interna que abrange impressionantes 330.000 pés quadrados. Esta instalação de última geração desempenha um papel crucial no fornecimento de alimentos frescos e de origem local a bordo para a Emirates e várias outras companhias aéreas que operam no Aeroporto Internacional de Dubai. No centro deste projeto inovador está uma engenharia meticulosa, e um componente crucial que contribui para o seu sucesso é o uso de acopladores Dextra Groutec para as conexões do módulo de parede de cisalhamento pré-moldado.

    Esta fazenda vertical emprega tecnologia de ponta para cultivar uma ampla gama de culturas em um ambiente controlado. Ao empilhar camadas de culturas verticalmente, a instalação maximiza a utilização do espaço e minimiza o consumo de recursos. O resultado é um sistema sustentável e eficiente que produz produtos frescos e de alta qualidade durante todo o ano, independentemente das condições climáticas externas.

    O papel dos acopladores Dextra Groutec

    Em qualquer projeto de construção, a escolha dos materiais e componentes é fundamental para garantir a integridade estrutural e a durabilidade a longo prazo. No caso da maior fazenda vertical do mundo, os engenheiros enfrentaram o desafio de conectar módulos de parede de cisalhamento pré-moldados com segurança. A solução veio na forma de acopladores Groutec L com diâmetro de 25mm.

    Os acopladores Groutec são conhecidos por sua confiabilidade e resistência na conexão de elementos pré-moldados de concreto. Esses acopladores fornecem um meio robusto e eficiente de unir componentes de concreto pré-moldado, garantindo a estabilidade estrutural de toda a instalação. O diâmetro de 25 mm foi cuidadosamente selecionado para atender aos requisitos específicos dos módulos de parede de cisalhamento, oferecendo uma conexão perfeita que aumenta a resiliência geral do conjunto vertical.

    Os acopladores Groutec não apenas facilitam a integridade estrutural da fazenda vertical, mas também se alinham ao compromisso do projeto com a sustentabilidade. A durabilidade e fiabilidade destes acopladores garantem que as ligações resistem ao teste do tempo, apoiando a longevidade da instalação e a sua contribuição para a agricultura sustentável.

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