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Categoria: Energia

Porto de Fujairah

Postado em por Sir Gwi

Fujairah Port: A Key Maritime Hub in the UAE

The Port of Fujairah, located in the emirate of Fujairah on the Gulf of Oman, is the only multi-purpose deep-sea port on the eastern seaboard of the United Arab Emirates (UAE). Strategically positioned 130 km south of the Strait of Hormuz, it serves as a crucial gateway for international trade and energy exports.

Dextra was involved in the expansion of the port between 2007 and 2008.

Oil Terminal 2 (OT2)

For the new Oil Terminal 2 (OT2), Dextra engineered and supplied the Marine Tie Bar systems used for the anchoring of the Main Quay walls.
More than 1,400 tons of tie bars were provided for this large-scale project.

Berços do Quebra-mar Sul

In 2008, Dextra also engineered and supplied Marine Tie Bar systems for the anchoring of the Tugs Jetty, Craft Docks, and Main Quay Wall. Short Barra de gravata marítima assemblies were installed between King Pile Walls.
To facilitate transportation and installation, high-performance Grade 700 steel was selected, allowing for a higher level of performance with relatively smaller diameters.

Barragem de Chaglla

Postado em por Sir Gwi

Barragem de Chaglla

Chaglla Dam is a hydroelectric dam built on the Huallaga River in the Huánuco region of Peru. The dam stands 203 meters high and has a maximum installed capacity of 456 MW.

For this major dam project, Dextra consistently supplied its Rolltec rebar coupler solution to Brazilian contractor Odebrecht from 2012 to 2015.

Rolltec is the most popular rebar splicing solution in Latin America, offering a competitive alternative to lap splices.

Rebar preparation is supported by a unique lightweight machine, which can be operated by a single person. The Rolltec machine is relatively easy to transport and convenient to install, even in remote locations such as dam construction sites.

Beyond just couplers and equipment, Dextra also took charge of machine commissioning and operator training, ensuring the contractor’s team made the most of their rebar coupler solution.

Petronas RÁPIDO

Postado em por Sir Gwi

Petronas RAPID: A Strategic Petrochemical Complex in Malaysia

Petronas RAPID (Refinery And Petrochemical Integrated Development) is a large-scale petrochemical complex located in the southernmost part of Johor, Malaysia, across the sea from Singapore.

Commissioned in 2016, the RAPID development aims to increase local production capacity by 300,000 barrels per day, making it a strategic asset for the Malaysian peninsula.

Para este projeto a Dextra forneceu seus Bartec system for the construction of precast pipe racks across the site. A total of 30,000 Bartec Barras com cabeça were used to create horizontal anchoring points for pipe rack beams.

To support the project, a Bartec machine was installed directly on-site and commissioned by the Dextra team, ensuring efficient bar preparation and seamless integration into the construction process.

Instalação recorde de tratamento de águas residuais do Egito

Postado em por Sir Gwi

Instalação recorde de tratamento de águas residuais do Egito

O Bahr El Baqar wastewater treatment plant is located in the northern governorate of Port Said and has a daily output capacity of 5.6 million cubic meters. It is a joint venture between the Arab Contractors Company e Orascom Construction.

The plant is the world’s largest of its kind, holding three Guinness World Records:

  • O largest water treatment facility, processing 64.8 cubic meters per second
  • O largest sludge treatment plant
  • O largest single-operator ozone generating plant

Dextra is proud to contribute to this project by supplying Rolltec rebar couplers for the reinforcement of the plant’s concrete structures.

Rolltec is a CARES-approved, rolled parallel-threaded mechanical splicing system designed for connecting concrete reinforcing bars from Ø12 to 50 mm (ASTM #4 to #18). It offers fast and easy preparation and installation on-site.

Fonte das imagens: https://www.arabcont.com/english/project-624

Reservatórios de Cylingas

Postado em por Sir Gwi

Cylingas Reservoirs: Industrial Gas Storage in the UAE

The Cylingas gas tanks are part of the industrial complex of Cylingas, located in Al Quoz, United Arab Emirates.

For the installation of new gas tanks, Dextra supplied its tension rods systems, which were used for the cross-bracing of the tank footing structure. Carbon steel rods in Grade 355, with a diameter of 120 mm (thread M123), were selected for this application. The rods were delivered with forks, lock covers, and turnbuckles. A total of 48 sets were installed for this project.

The assemblies were fixed onto the pylons using gusset plates connected to the forks. Turnbuckles were installed in the lower part of the assembly to facilitate installation, allowing for length adjustment and stress control by bringing two bar segments closer together.

For more information on Tension Bars in industrial settings, please download our dedicated introduction brochure.

Para obter mais informações sobre a disponibilidade de sistemas de barras de alto desempenho no Oriente Médio, entre em contato com nosso Escritório em Dubai.

Barragem de Xayaburi

Postado em por Sir Gwi

Barragem de Xayaburi

O Barragem de Xayaburi is a hydroelectric dam located in northern Laos. Planned to begin operations in 2019/2020, it is the first of 11 dams planned in the lower Mekong region. The dam is expected to generate 1,285 MW of electrical capacity.

For this remote construction site, a Bartec rebar preparation equipment set was delivered in its container. A total of 120,000 rebar couplers were used on the project over a two-year period.

Expansão da refinaria de Jamnagar

Postado em por Sir Gwi

Jamnagar Refinery Expansion: The World’s Largest Refinery by Production Capacity

Located in Gujarat, western India, the Jamnagar Refinery is the largest refinery in the world by production capacity. Owned by Reliance Industries, it was commissioned in 1998 and spans a vast 50 km² area.

For Phase 3 alone, more than 305,000 tons of steel reforço were used in a 36-month project, involving over 100,000 engineers and construction workers.
Dextra has been involved in Jamnagar since the early phases, supplying rebar splicing solutions for Phases 1, 2, and 3 of the project.

Dextra’s Rebar Splicing Solutions for Phase 3:

Three rebar coupler solutions were used in Phase 3:

  • Bartec Solution
    Used for cast-in-situ applications, including bar-to-bar connections in foundations, pile cages, and column cages.
    Also utilized in heavily congested rafts and pile caps to facilitate efficient emenda de vergalhões.
  • Groutec Couplers
    Applied to pipe racks, which were constructed from pré-moldado elements in a dedicated pré-moldado factory within the project.
    Positioned in the bottom elements and filled with grout, eliminating the need for in-situ wet articulações and ensuring fast, secure connections between beams and columns.
  • Unitec Couplers
    Used in applications where rebar length was too short to allow traditional overlap connections.

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Canal de Mitigação de Inundações de Jizan

Postado em por Sir Gwi

Canal de Mitigação de Inundações de Jizan

O Canal de Mitigação de Inundações de Jizan is an ongoing infrastructure project in Jizan Economic City, Saudi Arabia.

Located along the coastline, the city is at risk of flooding due to frequent torrential rainfall. The flood channel plays a crucial role in protecting downstream areas from major flood damage.

As the channel will be exposed to seawater and environmental contaminants that can accelerate steel corrosion, Dextra ASTEC glass fiber-reinforced polymer (GFRP) rebar was chosen as the ideal solution for the project. Nearly 2 million meters of GFRP rebar were supplied.

ASTEC GFRP rebar is a corrosion-free, non-metallic reinforcing bar that offers higher tensile strength than steel while being significantly lighter in weight.

Upon completion, this project will be the world’s largest construction using GFRP rebars as concrete reinforcement.

Terminal da Refinaria de Jizan

Postado em por Sir Gwi

Jizan Refinery Terminal: A Major Oil Infrastructure for Saudi Aramco

The Jizan Refinery & Terminal is a large-scale oil megaproject built for Saudi Aramco in the Jizan Economic Area, located on the Red Sea, on the west coast of Saudi Arabia.

For this project, Dextra engineered and manufactured marine tie bars systems, which were used in the construction of the quays of the marine terminal.

In total, Dextra delivered 412 tie rod sets in size M98. The Grade 500 steel rods were connected to combi walls on both sides using Dextra-designed captive nut accessories, which were cast into the concrete piles. Captive Nuts allow a 5° angle of adjustment in all directions, ensuring flexibility during installation.

Each assembly, measuring up to 36 meters in length, was divided into three main segments and reconnected using couplers and hinge couplers for efficient transport and installation.

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Para obter mais informações sobre a disponibilidade de soluções de barras de alto desempenho no Oriente Médio, entre em contato com nosso Escritório em Dubai

Usina Hidrelétrica de Armazenamento Bombeado Hatta

Postado em por Sir Gwi

Usina Hidrelétrica de Armazenamento Bombeado Hatta

O projeto da Usina Hidrelétrica de Armazenamento Bombeado de Hatta está localizado perto da comunidade de Hatta, nas Montanhas Hajar, 140 km a sudeste de Dubai.

A usina usará água armazenada em um reservatório superior na Represa Hatta, utilizando tecnologia de armazenamento bombeado com bombas movidas a energia solar do Parque Solar Mohammed bin Rashid Al Maktoum.

O projeto foi adjudicado a um consórcio que inclui a STRABAG Dubai LLC, a STRABAG AG, a austríaca Andritz Hydro e a Ozkar, uma construtora sediada em Omã. A francesa EDF está atuando como consultora para o projeto.

A usina compreenderá um poço de turbina com diâmetro de aproximadamente 36 metros e profundidade de quase 70 metros, projetado para acomodar duas turbinas com potência total prevista de 250 MW. Além disso, serão escavados um túnel de pressão de 1,2 km de extensão e dois túneis rodoviários, com aproximadamente 470 metros e 440 metros de comprimento.

A Dextra esteve envolvida na escavação dos túneis hidráulicos, fornecendo milhares de parafusos de aço GEOTEC™, incluindo Parafusos de rocha autoperfurantes, pregos do solo, e parafusos de combinação, variando em diâmetro de 22 a 32 mm, para estabilização de maciços rochosos e taludes.

Os sistemas de parafusos de aço GEOTEC™ da Dextra estão disponíveis para diversas condições de solo em aplicações como rodovias, energia hidrelétrica, armazenamento subterrâneo de petróleo e gás, submarinos e túneis de esgoto.

O projeto está programado para ser comissionado no início de 2024.

Faz parte da Estratégia de Energia Limpa de Dubai 2050, que visa fornecer 75% da geração total de energia de Dubai a partir de fontes de energia limpa até 2050.