Dextra Group | Reliable Connections

Suvarnabhumi Bangkok International Airport – Phase 2

Suvarnabhumi Bangkok International Airport – Phase 2

Suvarnabhumi Airport is the main international airport of Thailand, operating both domestic and international flights and acting one of the main gateway to South East Asia for travelers in the region. The airport is located at the east of Bangkok, less than 15 minutes from Dextra main manufacturing facility.

Dextra has involved in the construction of the airport since the beginning in 2001, and has still contributed to the airport’s latest expansion projects.

Suvarnabhumi Airport’s second phase expansion is intended to increase the airport’s annual passenger handling capacity to 60 million passengers and provide an additional 28 gate assignments for international flights, bringing the service up to international standards and improving the convenience of passengers and airlines in a total area of 960,000 square meters.

More than 600,000 Bartec rebar couplers have been used extensively in all parts of the airports, including beams, columns, diaphragm walls and pile cages. This popular rebar splicing solution allow for a safe and reliable connection of rebars, for both vertical or horizontal applications.

The solutions were delivered with rebar preparation equipment, along with our trained experts, to ensure that production requirements were met in a timely manner.

Moreover, RepairGrip and Unitec couplers were also used for the connection of two rebars with no thread or rebars that have splicing issue.

Heathrow Airport Terminal 5

Heathrow Airport Terminal 5

Heathrow Airport, located approximately 25 km west of central London, is the busiest international airport in the United Kingdom.

Dextra was involved in the construction of Terminal 5 and its associated structures.

For Heathrow Airport, Dextra provided its most advanced rebar splicing solution: Griptec, which is distributed in the United Kingdom by local expert fabricators.

Due to its high performance, inherent reliability, systematic proof loading of every connection in factory conditions, and comprehensive certification, Griptec is specified by major consultants worldwide. In the United Kingdom, Griptec holds all three CARES splicing product certificates: TA1-A, TA1-B, and TA1-C.

For our distributors servicing rebar preparation, the Griptec solution is both convenient and productive. It is supported by a smart machine operated by a single operator, offers highly efficient cycle times (approximately 45 seconds per rebar prepared), and includes a test that systematically proof loads each and every bar/sleeve connection.

For contractors, Griptec provides a simple, effective, and reliable way to connect rebar in columns, diaphragm walls, and slabs. One application at Heathrow was for the roof of the new underground station. Griptec connections were also used to create temporary openings that allowed workers and equipment to move freely through the rebar structure and could easily be “closed” using single lengths of rebar with Griptec connections at both ends.

Thanks to its parallel-thread technology, Griptec does not require any specific torque wrenching and can be verified through simple visual inspection, offering a significant advantage in simplifying the project schedule and maximizing operational productivity.

Dubai Airport

Dubai Airport

Dubai Airport is the main airport in the United Arab Emirates. The famous airport, located just a few kilometers north of Dubai city, is home to the renowned Emirates airline. Dubai International Airport is the world’s #1 airport in terms of international passenger traffic.

Dextra Middle East, also based in Dubai, has been involved in numerous projects related to the construction of Dubai Airport, particularly from 2003 to 2005, during the development of Terminal 3 and the associated concourses.

For the Dubai International Project, Dextra supplied its popular Bartec coupler solution, the leading rebar coupler solution in the UAE. A total of 1.5 million couplers were used at Dubai International Airport.

Superstructure

Bartec couplers provided a technical solution for reconnecting second-phase reinforcement between columns and beams, as well as between walls and beams.

Rebar couplers were also used to create temporary openings in the reinforcement, allowing the passage of personnel and equipment.

Foundations

Bartec couplers were utilized for the foundation piles. In this application, the couplers became part of a highly integrated and automated cage manufacturing process, enabling the quick connection of large-diameter rebar and maximizing cage production output.

To complement the Bartec rebar coupler solution, Dextra Sonitec tubes were used to ensure the swift installation and reconnection of the sonic tubes along the entire length of the cages. Sonitec tubes are particularly easy to install due to their Push-Fit rubber mouth and easy to set up in the cage thanks to their welded heads. Over the years, more than 1,800,000 meters of Sonitec tubes have been installed at Dubai International Airport!

Mumbai Chhatrapati Shivaji Airport

Mumbai Chhatrapati Shivaji Airport

Mumbai Chhatrapati Shivaji International Airport is the primary airport serving international airports to Mumbai. It is the second airport in India in term of passenger traffic.

Dextra has been involved in the construction of Terminal 2 and associated structures, which took place between 2009 and 2013.

For Mumbai Airport, Dextra delivered its popular Bartec rebar coupler solution, which is the primary rebar coupler used on large projects in India.

Dextra operates its own threading yard in Mumbai and took responsibility for the rebar preparation for this project.

On the construction site, Bartec was used extensively for vertical connections (bar-to-bar vertical column connections) as well as horizontal applications (column-to-beam), typically for reinforcement of ⌀32mm. Bartec offers an exceptional level of performance, ensuring “bar break” performance on the rebar used at Mumbai Airport.

For the contractor (Larsen & Toubro on this project), Bartec offers a simple and cost effective way of connecting rebar.

Thanks to its parallel thread technology and rebar prepared with various thread lengths, it requires the same coupler for both standard applications (when one bar can be rotated inside the coupler) and positional applications (when no bar can be rotated). This is a convenient feature that simplifies stock management and prevents product mismatches on site.

Hong Kong International Airport Terminal 2

 

Hong Kong International Airport Terminal 2

Hong Kong International Airport (HKIA) stands as a global aviation hub, ranking among the world’s busiest airports for both cargo and passenger traffic. As part of its commitment to excellence and efficiency, the recent Terminal 2 Expansion project aimed to enhance the airport’s capacity and infrastructure. Dextra’s contribution played a pivotal role in ensuring the project’s success.

With the continuous growth in air travel and cargo shipments, HKIA recognized the need to expand and upgrade its facilities to accommodate the increasing demand. Terminal 2, a vital component of the airport’s infrastructure, became the focus of an extensive expansion project. This redevelopment aimed not only to increase passenger capacity but also to improve operational efficiency and provide a seamless experience for travelers.

Dextra, a leading provider of engineered construction products, played a crucial role in the success of the Terminal 2 Expansion project. The company supplied an impressive 200 tons of post-tensioning bars, specifically the M78 and M88 sizes, Grade 1080. These post-tensioning bars were instrumental in several key aspects of the construction process.

Connection of Jacking Towers:

The expansion project involved intricate engineering, requiring the precise connection of jacking towers to ensure the structural integrity of the new terminal. Dextra’s post-tensioning bars provided the necessary reinforcement, allowing for a secure and reliable connection between the towers.

Heavy Lifting of Roof Structure:

Terminal 2’s redevelopment included the installation of a robust and aesthetically pleasing roof structure. The weight and complexity of the roof required a sophisticated lifting mechanism. Dextra’s Grade 1080 post-tensioning bars played a key role in the heavy lifting process, ensuring that the roof structure was securely and efficiently positioned.

As HKIA continues to uphold its status as a global aviation leader, the Terminal 2 Expansion project, along with Dextra’s significant contribution, stands as a remarkable example of innovation and excellence in airport infrastructure development.

Abu Dhabi International Airport

Abu Dhabi International Airport

Abu Dhabi Airport is the main airport of Abu Dhabi, the capital of the United Arab Emirates, located approximately 15 km east of the city. It is the second busiest airport in the UAE, after Dubai International.

Dextra has been involved in the construction of the new Midfield Terminal (Terminal 3), which is set to enter service at the end of 2017. This expansion significantly boosts the airport’s capacity and provides new gates for large airliners, such as the A380.

Dextra played a key role in several aspects of the new terminal, including the foundation, concrete structures, roof, and façade.

Foundations & Concrete structures

For the foundation piles, Bartec couplers were used to reconnect prefabricated cages forming the foundation piles, as well as for other concrete applications. This solution was complemented by the use of Sonitec sonic logging tubes. The tubes, used for Crosshole Sonic Logging (CSL) integrity testing, are delivered in segments that can be easily reconnected by hand thanks to their bell mouth, saving time during installation. A total of 650,000 Bartec couplers and more than 110,000 meters of Sonitec tubes were installed at the Abu Dhabi Midfield Terminal.

Roofing and Façade

For the roofing structure, the Dextra engineering team provided two customized structural solutions.

For all applications requiring structural members to work in compression, Dextra supplied its Compression Strut solution. Compression Struts are easy to install thanks to their fork ends and conveniently allow for minor length adjustments at each fork. A total of 529 Compression Struts were installed for this project.

For trusses where the force is in tension, Dextra supplied its Tension Rod Systems. Similar to the Compression Struts, Tension Bars are easily installed thanks to fork ends, provide adjustment capability at the forks, and feature in-line turnbuckles. Dextra’s Stainless range was selected for this application, ensuring unmatched aesthetics with its mirror surface finish.

King Abdulaziz International Airport (KAIA)

King Abdulaziz International Airport (KAIA)

King Abdulaziz International Airport (KAIA) is an international airport located in Jeddah, Saudi Arabia.

The airport, named after the founder of Saudi Arabia, King Abdulaziz Al Saud, is the country’s third-largest and busiest airport.

KAIA has four operational passenger terminals: the North Terminal, South Terminal, Hajj Terminal, and Terminal 1. The Hajj Terminal was specifically created for Muslim pilgrims traveling to Mecca each year for the Hajj.

Dextra supplied more than 300,000 Bartec couplers, which were installed in various structures, including bridges, tunnels, railway stations, terminals, the ATC tower, and car parking facilities.

Suvarnabhumi Bangkok International Airport สนามบินสุวรรณภูมิ

Suvarnabhumi Bangkok International Airport

สนามบินสุวรรณภูมิ

Suvarnabhumi Airport is the main international airport of Thailand, serving both domestic and international flights and acting as one of the primary gateways to Southeast Asia for travelers in the region. The airport is located east of Bangkok, less than 15 minutes from Dextra’s main manufacturing facility.

Dextra has been involved since the beginning of the Suvarnabhumi construction in 2001 and continues to play a role in the airport’s latest expansion projects.

Over the years, Dextra has provided a wide range of technical solutions to support various contractors on different parts of the project.

For foundation piles, diaphragm walls, columns, beams, and other concrete structures, Bartec rebar couplers have been extensively used throughout the airport. This popular coupler solution ensures safe rebar connections, both vertical and horizontal. In Thailand, Dextra also handles rebar preparation services, which are carried out at our own threading yard in Bangkok.

The terminal roofs and concourses were designed to use Dextra Tension Rod Systems as cross-trusses. These high-performance large bar systems are easy to install and adjust in length, thanks to their fork ends and in-line connectors, while also contributing to the overall aesthetics of the terminal structure.

For the plane remote parking area, where aircraft fine-tune communications with the control tower, Dextra supplied large-diameter FRP dowel bars to connect the tarmac concrete slabs. Dextra’s FRP bars offer similar tensile performance to steel bars but help reduce the interference typically associated with metallic structures.

Kuwait International Airport Expansion: Terminal II Building

Kuwait International Airport Expansion: Terminal II Building

Kuwait International Airport is the country’s main airport, located to the south of Kuwait City. The hub currently handles more than 9 million passengers annually and is home to the renowned Kuwait Airways, Jazeera Airways, and Wataniya Airways.

A new state-of-the-art terminal

This new infrastructure is part of the airport’s expansion project, aimed at enhancing its status as the State of Kuwait’s gateway. When completed, the Terminal II building will form a triangular shape, symbolizing Kuwait and reflecting the country’s rich culture and civilization.

Scheduled for completion in 2020, this striking five-story terminal building will be capable of handling 25 million passengers annually and will be connected to the first terminal via a tunnel.

From the foundations to the roofs

For this project, the lead Turkish contractor Limak Holding and its Kuwaiti agent Kharafi National selected Dextra’s Rolltec rebar coupler solution for rebar splicing in all the building’s concrete structures. Thanks to its rolled-parallel threaded system, along with its simple preparation and installation process, this splicing solution helps shorten construction cycle times.

For the terminal’s impressive structure, the contractors also chose Dextra’s high-performance Smooth Post-Tensioning Bar Systems. Featuring smooth carbon steel bars and rolled threads, the high-tensile PT Bar system offers exceptional fatigue and strength performance, as well as high impact resistance.

For more information about our products, including rebar splicing and engineered bar systems, please contact the Dextra team in Dubai.

New International Airport for Mexico City

New International Airport for Mexico City

The Mexico City New International Airport is a major infrastructure project designed by Sir Norman Foster and launched in 2014. It aims to provide Mexico’s capital with a state-of-the-art airport hub by 2020. The project is located to the east of Mexico City and is set to accommodate an annual passenger capacity of 68 million, surpassing the previous Benito Juarez Airport, which currently handles 41.7 million passengers annually and is the busiest airport in Latin America. The project features an X-shaped passenger terminal, three runways, and a control tower.

For this, the largest infrastructure project in Latin America, Dextra has been involved in supplying its Bartec rebar couplers for the foundations of the terminal building (contractor ICA), the transport building (contractor Sacyr), and the control tower (contractor Aldesa).

Bartec couplers, often preferred in seismic areas like Mexico, replace the traditional lapping of large ASTM #12 rebar (equivalent to 38mm) on this project. For such large diameters, it is both faster and more cost-effective to connect bars with couplers rather than using traditional overlapping methods.

Bartec rebar coupler equipment a the New Interational Airport of Mexico construction site

Dextra has provided Mexico Airport with up to 10 sets of Bartec equipment (a total of 30 machines, with each set delivered in a container) for all rebar preparation operations. This impressive setup has been supported by our local After Sales team, who have trained the machine operators and maintained the equipment to ensure optimal productivity.