Dextra Group | Reliable Connections

Yellow Wood 3 Warehouse & Office, Thailand

Yellow Wood 3 Warehouse & Office, Thailand

Yellow Wood 3 is a warehouse and office building spanning approximately 40,000 square meters in Samut Prakan, Thailand.

To ensure efficient and rapid installation on-site, Groutec S couplers were used to connect precast concrete columns. With their slimmer design and smaller outside diameter, Groutec S couplers are ideal for narrow columns and slim panels, making them particularly effective in space-constrained applications.

Additionally, Bartec couplers were installed within the precast columns to serve as high-performance rebar splices, ensuring structural integrity and durability.

One Nine Elms, UK

One Nine Elms, UK

Changing the skyline of London

One Nine Elms is a new mixed-use high-rise project in London, overlooking the River Thames.

This real estate development will replace the 44-year-old Market Towers with two skyscrapers: the 56-story City Tower and the 42-story River Tower, 18 floors of which will be dedicated to a 173-room luxury hotel.

High-performance rebar connectors are essential for reinforcing the structure of these two iconic towers. Dextra was entrusted with this task and supplied 70,000 Griptec couplers, renowned for their exceptional performance under tension, compression, and fatigue conditions.

Supported by high-productivity rebar preparation equipment, Griptec couplers were installed in columns, beams, starter bars for slabs, and other structural elements.

Additionally, the integrity of the buildings’ bored piles was tested using the Cross Sonic Logging (CSL) methodology. This technique involves inserting a transmitter and receiver into parallel water-filled tubes along the pile depth to measure the speed of ultrasonic pulses and ensure structural soundness.

Dextra’s Sonitec tubes facilitated the test with their easy installation into reinforcement cages. A total of 4,000 meters of ST50 sonic tubes were provided for this project.

Upon completion, anticipated in 2022, City Tower will become one of the tallest residential buildings in London and the United Kingdom.

Urban Deca Homes Ortigas, Philippines

Urban Deca Homes Ortigas, Philippines

Urban Deca Homes Ortigas is one of the largest residential projects currently under development in the Philippines. It involves the construction of 22 residential buildings with 19,000 one- and two-bedroom units on a 13-hectare property in Metro Manila.

The developer aims to attract young working families from the surrounding areas of Ortigas, Eastwood, and Vertis North by offering affordable accommodations, starting at just $30,000 per unit.

Dextra has supplied nearly 150,000 Groutec couplers for 20 of the residential buildings. Model S25 and S28 couplers are used to connect rebars in load-bearing shear walls.

This type of mechanical splice is designed to simplify the installation of precast concrete elements, such as panels or columns.

On-site, connections are made in seconds by injecting non-shrink grout into the Groutec cavity.

The project is expected to be completed by 2022.

Xiao En Cheras, Malaysia

Xiao En Cheras, Malaysia

Xiao En Cheras is a 15 story, 3 basement memorial center in Kuala Lumpur, Malaysia, owned by Xiao En Group, a bereavement care provider who offers professional counselling for grieving families and the Malaysian community.

Dextra Sonitec tubes were installed to test the structural integrity and consistency of concrete within the building’s bored piles using crosshole sonic logging (CSL) testing method.

Sonitec is the steel pipe system specifically designed and manufactured for CSL concrete testing. Since 1999, over 50 million feet of Sonitec CSL tubes have been used on over 400 projects around the world.

Xiao En Cheras memorial center will emphasize not only the functions of traditional funeral services, but also integrate memorial activities, cultural and educational activities.

Trilogy Limassol Seafront, Cyprus

Trilogy Limassol Seafront, Cyprus

Trilogy Limassol Seafront is a prestigious construction project located in the beautiful city of Limassol, Cyprus. It is a massive development consisting of three towers, featuring luxury apartments and offices with private facilities. The construction of Trilogy Limassol Seafront required the use of over 200,000 Bartec couplers and headed bars for slab and column connections.

Bartec couplers provide reliable and robust connections. They are designed to join reinforcement bars quickly and easily. The couplers were used for the slab, column, and column-to-slab connections in all three towers of Trilogy Limassol Seafront.

The use of Bartec couplers and headed bars dia. 40, grade 500C, ISO 15835 S (Seismic) provides exceptional seismic resistance, a crucial factor for buildings in areas prone to earthquakes. Bartec couplers have been tested and certified to meet the highest standards for seismic performance, ensuring the safety and durability of the new landmark beachfront buildings.

Image credit: https://trilogylimassol.com/

The Reef at King’s Dock Condominium, Singapore

The Reef at King’s Dock Condominium, Singapore

The Reef at King’s Dock, a prestigious waterfront development in Singapore, has introduced an impressive feature to its residential project. Boasting the country’s first-ever 180-metre floating deck, this luxury development offers residents a truly unique experience. With a total of 429 units spread across 10 residential blocks, the development is situated in the Harbourfront precinct, within the Greater Southern Waterfront area.

In the construction of this remarkable project, Dextra provided the new Groutec F couplers, marking the first introduction of this innovative product in Singapore for precast household shelter connections.

Groutec, a mechanical splicing system specifically designed for connecting precast elements, offers superior strength and reliability. The Groutec F model stands out due to its fully grouted system, which enables the connection of two rebars without the need for any threading procedure, setting it apart from the well-known Groutec L and S models.

The incorporation of the Groutec F couplers by Dextra in The Reef at King’s Dock exemplifies the commitment to innovation and quality within the construction industry. This cutting-edge technology not only enhances the structural integrity of the development but also simplifies and streamlines the construction process.

Expansion of Lai King Building in Princess Margaret Hospital, Hong Kong

Expansion of Lai King Building in Princess Margaret Hospital, Hong Kong

The expansion project of the Lai King Building, established in 2001 at Princess Margaret Hospital in Hong Kong, aims to enhance ambulatory care services and ensure compliance with infection control and service standards in modern healthcare settings.

The project involves the demolition of the existing structure, construction of a new extension block, renovation and refurbishment of the existing building, construction of link bridges connecting the new extension block and the existing building, as well as external works and landscaping.

Dextra is actively involved in the site formation and foundation works, which commenced in August 2021. Our contribution includes supplying Astec GFRP (Glass Fibre Reinforced Polymer) soil nails with a diameter of 32 for temporary support during excavation. These soil nails are renowned for their lightweight composition, making them easier to handle and install. This characteristic significantly reduces labor requirements and construction time, thereby allowing for greater productivity on-site.

Furthermore, the GFRP material used in these soil nails exhibits high resistance to corrosion, distinguishing it from traditional steel soil nails. This attribute ensures the longevity and durability of the temporary support system, ultimately reducing the need for costly maintenance and replacements in the future.

The exceptional tensile strength of the GFRP soil nails plays a crucial role in effectively restraining the lateral displacement of the soil, thereby minimizing the risk of ground movement and potential collapse.

The construction works for the entire project are expected to be completed by 2026.

Kielpark Towers Renovation, Belgium

Kielpark Towers Renovation, Belgium

The new Kielpark Towers will pay tribute to the existing towers. The building is equipped with the most sustainable technologies, including a collective heating system that operates with a heat pump, solar panels for electricity in common areas, extra insulation, low-temperature floor heating, and precast concrete panels.

Dextra supplied Groutec L and Groutec S couplers for the connection of precast concrete panels to slabs. The precast construction technique significantly contributes to sustainable building practices in the following ways:

  • Requires fewer materials, such as grout, rebar, and concrete.
  • Accelerates construction cycles by three times compared to cast-in-place methods, reducing pollution and waste.
  • Offsite construction reduces man-hours by 20% compared to conventional methods using corrugated pipes.
  • Enhances accuracy and minimizes mistakes during on-site installation.

Mega Home Chiang Mai, Thailand

Mega Home Chiang Mai, Thailand

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.

Nanyang Technological University (NTU) Isolation Lab, Singapore

Nanyang Technological University (NTU) Isolation Lab, Singapore

The new ultra-low vibration lab at Singapore’s Nanyang Technological University (NTU) is currently under construction.

Since the testing equipment cannot be positioned within a 1.5m radius of any magnetic elements, Dextra GFRP rebars were installed in the base slabs and floating slabs as a replacement for steel rebars. A total of 3,000 linear meters of GFRP rebars were delivered.

GFRP rebars allow contractors to replace steel reinforcement with a composite, non-corrosive, and non-metallic alternative. They offer exceptionally high tensile performance while being lightweight—up to eight times the performance-to-weight ratio of steel.