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الوسم: Construction

Seismic Strength: Ensuring Seismic-Resistant Connections

نشر على بواسطة Kansuda Visesthanakorn

 

Ensuring Seismic Performance: The Critical Role of Rebar Coupler Testing and Certification

In regions prone to seismic activity, the structural integrity of reinforced concrete connections is a matter of life and death. The performance of rebar couplers, which play a crucial role in transferring loads between reinforcing bars, is especially critical in ensuring the resilience of buildings, bridges, and infrastructure during earthquakes. Without rigorous testing and certification, these components could become weak points in a structure, leading to catastrophic failure.

The Importance of Seismic Performance in Rebar Couplers

Seismic forces impose dynamic, cyclic loads on structures, making it essential for rebar couplers to withstand repeated stress reversals without losing strength or ductility. To ensure reliability, couplers must undergo stringent testing that simulates real-world seismic conditions. These tests evaluate factors such as:

  • High-cycle and low-cycle fatigue resistance to measure how well couplers perform under repeated stress loading.
  • Tensile strength and ductility to ensure couplers can maintain structural integrity during an earthquake.
  • Failure modes to confirm that the connection does not introduce brittleness into the reinforced concrete structure.

 

Dextra’s Commitment to Seismic Performance

At Dextra, we understand the critical nature of seismic performance and have made it our mission to ensure that our rebar couplers meet and exceed industry standards. We achieve this through a combination of:

 

Third-Party Certifications from Reputable Certification Bodies

To guarantee compliance with global seismic design requirements, Dextra’s rebar couplers are tested and certified by internationally recognized third-party organizations. These certifications validate that our couplers meet the most stringent regulatory codes, including:

  • ISO15835-1 Class S – The international standard when it comes to compliance of mechanical splices in seismic applications.
  • AC133 – A widely recognized qualification for mechanical splices used in seismic zones.
  • NF A35-020 – Currently, the most demanding product standard for rebar couplers when it comes to seismic performance.

Local approvals and performance assessment in key markets, based on ACI 318, ASTM A1034, IS16172.

By obtaining these certifications and performance, we provide engineers and contractors with confidence that Dextra’s coupler solutions will perform reliably even under the most extreme seismic conditions.

 

Internal Seismic Testing Capabilities

In addition to external certification, Dextra operates advanced internal testing facilities to push our products beyond standard requirements. Our in-house ISO/IEC 17025-accredited materials testing laboratories’ scope of testing includes advanced equipment for cyclic loading tests to simulate the behavior of our products under different simulated earthquake conditions. Our testing encompasses low-cycle loading tests under both tension and combined tension and compression forces.

Our internal testing ensures continuous product development and innovation, allowing us to stay ahead of evolving seismic design standards and customer expectations.

 

 

Building Safer Structures for the Future

Seismic resilience is not just about compliance; it is about safeguarding lives and protecting infrastructure investments. This is why our rebar couplers undergo extensive testing and certification. Our commitment to seismic performance, validated by third-party approvals and rigorous internal testing, guarantees that our solutions meet the highest standards of safety and reliability.

By choosing Dextra, designers, contractors, and engineers can trust that their structures are built to withstand the challenges of seismic forces—because when it comes to safety, there is no room for compromise.

Learn more about our rebar couplers
Contact us for more information

Streamline Your Designs with PC Headed Bar CAD/BIM Tools!

نشر على بواسطة Kansuda Visesthanakorn

Dextra’s Pressed Connection (PC) Headed Bar is now available as CAD/BIM tools for Tekla, Revit, AutoCAD, and Allplan! 🎉

Easily integrate PC Headed Bars into your designs with precision and efficiency. Download now and streamline your workflow!

 

Get your files today:

📥AutoCAD tool package

📥Revit

📥Tekla

PC Headed Bars are engineered for anchoring shear and shear load-bearing steels, offering a superior alternative to bends and hooks. They make transverse reinforcement installation faster and less tiring, especially in thick structures or hard-to-access areas. Plus, they eliminate the need for on-site bending, ensuring compliance with required bend diameters.

Learn more about PC Headed Bar
تحميل الكتيب

Dextra Partners with NCS Steel, Offering Rolltec Couplers in Europe

نشر على بواسطة Kansuda Visesthanakorn

 

Dextra is proud to announce its newest partnership with NCS Steel, a dynamic new player in the Portuguese construction industry. As the latest addition to Dextra’s growing network of cut & bend fabricators in Europe, this collaboration reinforces our commitment to delivering high-quality reinforcement solutions for major infrastructure projects across the continent.

A Powerhouse Backed by Industry Leaders

Though newly established, NCS Steel brings a wealth of expertise to the market. It is a joint venture between three of Portugal’s most prominent steel suppliers:

  • Nordesfer – Armazéns de Ferro S.A.
  • J. Justino das Neves S. A.
  • Metalofarense

By combining their extensive industry experience and resources, NCS Steel is poised to elevate reinforcement solutions in Portugal’s growing construction sector.

State-of-the-Art Facility in São Lourenço

Strategically located in São Lourenço, near Lisbon, NCS Steel’s brand-new facility is designed to set new benchmarks in precision, efficiency, and product quality. The plant is equipped with advanced machinery and cutting-edge technology to meet the rising demand for reinforcement-related products and services.

Expanding Access to Dextra’s Rolltec Coupler System

A key aspect of this partnership is the integration of Dextra’s رولتيك coupler system into NCS Steel’s portfolio. Rolltec, known for its superior strength, reliability, and ease of installation, has been a preferred reinforcement solution in major European projects, including:

  • Storstrøm Bridge (Denmark): A critical infrastructure project enhancing connectivity between Zealand and Falster.
  • Oosterweel Ring Road (Antwerp, Belgium): One of Europe’s largest urban mobility projects aimed at transforming the city’s transport network.

By bringing Rolltec to the Portuguese market, NCS Steel will enable local contractors and engineers to benefit from high-performance reinforcement technology, ensuring faster, safer, and more efficient construction.

A Shared Vision for the Future

This partnership represents more than just a business collaboration, it is a shared commitment to innovation,

For more information about our reinforcement solutions, feel free to browse our website or visit the Rolltec page or NCS Steel website for further information.

Learn more about rolltec
Visit NCS Steel website

Dextra Laboratories Achieve ISO 17025 with New Fatigue Testing Capability

نشر على بواسطة Kansuda Visesthanakorn

 

In the construction and engineering world, precision, reliability, and flexibility are non-negotiable. At Dextra, we take these principles seriously—so seriously that we have invested in our own state-of-the-art laboratories in Thailand, India, and China. These testing facilities, accredited by ISO/IEC 17025 and recognized by IAPMO, set us apart by ensuring unparalleled quality control, innovative testing solutions, and maximum flexibility for our customers worldwide.

This certification now includes fatigue testing, expanding their capabilities to ensure superior performance and reliability of construction materials.

What Makes Our Laboratories a Game-Changer?

  1. Beyond Standard Testing: Unrivaled Capabilities

Unlike conventional laboratories, Dextra’s testing facilities go beyond basic tensile testing. We conduct a comprehensive range of mechanical tests that guarantee the highest levels of performance and durability:

  • Static Testing – Tension, Compression, and Permanent Elongation Measurement.
  • Cyclic & Fatigue Testing – Oligocyclic, Cyclic Tension, Low Cyclic Loading, Cyclic Tension & Compression, Low Cycle and High Cycle Fatigue.
  • Hardness test – Rockwell, Brinell, and Vicker scale.
  • Chemical composition for steel materials.
  • Fibre Reinforced Polymer Test – Tensile Strength, MOE, Strain, Transverse Shear, Torque, Cross-sectional Area, Alkaline Resistance, GFRP Glass Content, Water Absorption, and Plastic Density.

By mastering these advanced methodologies, we ensure that our solutions perform under real-world conditions—making our products stronger, safer, and more durable.

  1. ISO/IEC 17025 Accreditation: A Global Seal of Excellence

Achieving ISO/IEC 17025 accreditation is no small feat—it represents global recognition of our laboratory’s competence, precision, and reliability. This accreditation allows us to comply with the highest international and regional standards, including:

  • ASTM (American Society for Testing and Materials)
  • ISO (International Organization for Standardization)
  • ICC-ES (International Code Council – Evaluation Service)
  • EN, NF, IS, AS, JGJ, EAD, RMS – Covering Europe, India, Australia, China, and beyond

This certification isn’t just a stamp of approval—it is a testament to our relentless pursuit of quality in construction solutions worldwide.

  1. Expanding Our Capabilities: Continuous Innovation

At Dextra, we believe in pushing boundaries. That’s why we are constantly evolving to offer even more comprehensive, efficient, and precise testing for our customers.

  • New Accreditation: We now hold ISO/IEC 17025 certification for Fatigue Testing, further enhancing our ability to ensure the long-term durability and reliability of our products.
  • Coming Soon: Extensometer calibration accreditation—which will provide greater efficiency, accuracy, and confidence in test results. This step will further optimize our testing processes, reinforcing our commitment to world-class quality assurance.

 

Why This Matters for Our Customers

Having our own accredited testing facilities means greater control over product quality and faster innovation cycles. Our clients benefit from:

  • Speed & Flexibility – In-house testing eliminates delays and allows for quick adjustments based on project needs.
  • مصداقية – Adherence to international standards ensures consistent and high-performance solutions.
  • Cost Efficiency – Eliminating third-party testing reduces costs while maintaining superior quality control.
  • Technical Expertise – Our in-house specialists continuously refine our testing methodologies, keeping us at the forefront of construction technology.

 

Dextra: Your Trusted Partner for Quality & Innovation

By owning and operating our accredited laboratories, Dextra reaffirms its commitment to delivering superior, high-performance solutions for the construction industry. We don’t just test products—we ensure that they stand the test of time.

 

Learn more about our testing facilities

Dextra Joins International Institute for FRP in Construction (IIFC) as Patron Member

نشر على بواسطة Kansuda Visesthanakorn

 

Dextra is pleased to announce its patron membership with the International Institute for FRP in Construction (IIFC), a globally recognized organization dedicated to the advancement of Fiber-Reinforced Polymer (FRP) composites in the construction industry. This partnership underscores Dextra’s commitment to innovation, sustainability, and the development of next-generation structural reinforcement solutions.

What is IIFC and How It Supports the Industry

The International Institute for FRP in Construction (IIFC) is a leading global organization that promotes the use of FRP composites for civil infrastructure. Through a combination of research initiatives, educational programs, and industry collaborations, IIFC plays a pivotal role in driving the adoption of FRP solutions. Its key activities include:

  • Facilitating Knowledge Sharing: IIFC organizes conferences, workshops, and symposiums where researchers, engineers, and industry professionals exchange the latest findings and best practices.
  • Developing Standards and Guidelines: By working closely with standard-setting bodies, IIFC helps ensure that FRP technologies meet rigorous performance and safety requirements, paving the way for broader industry acceptance.
  • Encouraging Collaborative Research: IIFC fosters partnerships between academia and industry to push the boundaries of FRP innovation, focusing on both fundamental research and applied engineering solutions.

By offering a platform where experts can collaborate, IIFC contributes significantly to the advancement and standardization of FRP technologies, ultimately benefiting the construction industry and society at large.

Why FRP Matters in Modern Construction

As the industry moves toward more sustainable and durable infrastructure solutions, FRP composites have emerged as a game-changing material. Offering superior corrosion resistance, high strength-to-weight ratios, and extended service life compared to traditional steel reinforcements, FRP is being increasingly adopted in critical construction applications worldwide.

With growing concerns about the environmental impact and longevity of reinforced concrete structures, FRP presents a solution that significantly reduces maintenance costs and enhances resilience in harsh environments, such as marine, transportation, and industrial infrastructure.

Dextra’s Commitment to FRP Innovation

Dextra has long been at the forefront of developing advanced reinforcement solutions, including our Durabar+ GFRP Rebar, which recently earned ICC-ES certification for compliance with international building standards. By joining IIFC as a Patron Member, Dextra strengthens its role in shaping the future of FRP applications through research collaboration, knowledge sharing, and contribution to industry’s best practices.

Through this partnership, Dextra will actively engage with leading researchers, engineers, and policymakers to support the widespread adoption of FRP materials in construction projects worldwide.

What This Means for the Future

By joining forces with IIFC, Dextra continues to lead the way in providing high-performance reinforcement solutions that meet the evolving needs of modern construction. Our participation will drive:

✅Greater industry awareness of FRP’s advantages and applications
✅Collaborative research initiatives to further validate FRP solutions
✅Stronger regulatory and standardization efforts for FRP in structural applications
✅A sustainable future with durable, corrosion-resistant construction materials

Looking Ahead

At Dextra, we are excited to embark on this journey with IIFC and contribute to the ongoing transformation of the construction industry. As FRP adoption continues to grow, we remain committed to delivering high-quality reinforcement solutions that support resilient and environmentally responsible infrastructure.

For more information about IIFC and its mission, visit: www.iifc.org

Stay connected with Dextra for more updates on our innovations in FRP technology!

Collaboration Over Competition: The Power of the Supreme Solution for Precast Hybrid Connection

نشر على بواسطة Kansuda Visesthanakorn

In today’s rapidly evolving construction industry, collaboration is key to delivering cutting-edge solutions that address the growing demands for efficiency, safety, and sustainability. This philosophy is at the heart of the collaboration between Dextra and Peikko, two global leaders who have come together to create a hybrid precast connection system that combines the best of both worlds: Dextra’s Groutec Couplers و Peikko’s Column Shoes.

This innovative system was successfully implemented in the Triumph Motorcycle Office and Factory project in Thailand, showcasing how collaboration can drive excellence.

The Hybrid Advantage

The hybrid precast system merges the strengths of column shoes and grouted sleeves to maintain the continuity of reinforcement in precast structures. This system has proven especially valuable in seismic zones and heavily reinforced elements.

Column shoes و Groutec couplers are well-known products used to create connections between precast columns. A combination of the two – referred to as ‘hybrid precast connection’ has been utilized in several markets, particularly those with seismic requirements.

From a structural viewpoint, column shoes و Groutec couplers are both designed to maintain the continuity of reinforcement through the joints of precast elements. In the case of heavily reinforced elements, it might be challenging to accommodate all necessary column shoes within the column cross-section. In such cases, combining column shoes with Groutec couplers may prove to be a cost-effective alternative.

With this solution, column shoes are intended to secure the stability of the column during the erection stage, while Groutec couplers complement the column shoes by transferring loads applied to the structure in the final stage. The term ‘erection stage’ refers to the stage when the joint has not been grouted, and ‘final stage’ refers to when the joint is fully grouted and hardened.

Column shoes enable precast columns to be erected without props or braces, which improves the speed of erection and allows for other construction activities to proceed unimpeded, as braces and props do not obstruct corridors, thus ensuring the continuity of the construction process without distraction. جروتيك ensures rebar continuity at the “final stage” of erection.

Key Benefits of the System:

  • Faster Installation: Columns were installed without props or braces, reducing the installation time significantly.
  • Enhanced Safety: Eliminating bracing minimized site hazards.
  • Neat Finish: The method ensured a clean, professional result with no need for additional tidying.
  • Cost-Effective: Fewer materials and faster processes saved time and money. جروتيك contributes reliable connections while saving costs on material and labor.


Triumph Motorcycles Office and Factory: A Case Study in Success

Completed in December 2024, the Triumph Motorcycle Office and Factory spans an impressive 89,077 sq.m and features 128 precast columns installed in a record-breaking time. Dextra and Peikko’s hybrid solution played a critical role in achieving these results.

This collaboration enabled Thai Obayashi, the project’s contractor, to achieve exceptional speed, safety, and quality.

 

A Future Built on Collaboration

ال Triumph Motorcycles Office and Factory project exemplifies what can be achieved when industry leaders combine their strengths. As Dextra and Peikko, we believe that partnerships like ours are the future of construction innovation. Together, we can deliver solutions that exceed expectations and set new standards for the industry.

Let’s continue to lead through collaboration, making the construction industry stronger, safer, and more efficient for all.

Environmental Strategy: Aligning with the 5 Elements for a Sustainable Future

نشر على بواسطة Kansuda Visesthanakorn

At Dextra, we take a holistic approach to environmental responsibility, drawing inspiration from the five elements—Fire, Water, Earth, Air, and Wood. This comprehensive strategy ensures that every aspect of our operations aligns with our commitment to sustainability, benefiting both our customers and the planet. Here’s how each element plays a role in our environmental initiatives and why this is important for our customers.

 

  1. Fire: Reducing Carbon Emissions through Energy Management

Our “Carbon Footprint for Organization” (CFO) program is a crucial step toward understanding and reducing our carbon emissions. By closely monitoring our electricity consumption, we aim to identify the primary contributors to our carbon footprint and focus on strategies to reduce energy use across our operations.

 

Customer Benefits:

  • Low-Carbon Products: As we reduce our carbon footprint, customers gain access to products with lower embedded emissions, supporting their own sustainability goals.
  • Cost Efficiency: Reducing energy use contributes to cost savings, which can help make our products more competitive while enhancing value for our customers.

 

  1. Water: Autonomous Water Treatment Solutions

Dextra is fully autonomous in water treatment, thanks to the advanced water treatment plants installed at our factories in Thailand and India. This ensures that all water used in our production processes is treated and reused where possible, minimizing waste and reducing our impact on local water resources.

 

Customer Benefits:

  • Resource Responsibility: By minimizing our impact on water resources, we provide customers with products manufactured using responsible water practices, aligning with sustainable supply chain requirements.
  • Environmental Assurance: Our commitment to water treatment supports environmentally sensitive projects, ensuring customers can trust our commitment to preserving natural resources.

 

 

  1. Earth: Integrated Waste Sorting Facilities

In Thailand, we have integrated our own waste sorting facility to manage production waste responsibly. This facility allows us to sort, recycle, and properly dispose of waste materials, minimizing landfill contributions and enhancing our waste management practices.

 

Customer Benefits:

  • Eco-Conscious Sourcing: Dextra’s waste sorting practices mean customers are sourcing products from a company that prioritizes responsible waste management, supporting their goals of sustainable procurement.
  • Reduction in Environmental Impact: Proper waste sorting reduces environmental pollution and reinforces a circular economy, adding value to customers looking to minimize their environmental footprint.

 

  1. Air: Emissions Control and Quality Standards

While not explicitly listed in the details above, “Air” is a fundamental part of Dextra’s strategy. By implementing stringent emissions control measures and adopting cleaner production processes, we ensure that our operations minimize air pollution and improve air quality around our facilities.

 

Customer Benefits:

  • Health and Safety: Reduced emissions contribute to cleaner air quality, benefiting local communities and providing a safer environment for our workforce.
  • Alignment with Green Standards: For customers aiming to meet international green building and environmental standards, our emissions control efforts ensure that Dextra products align with these rigorous requirements.

 

  1. Wood: Reforestation Efforts to Combat Deforestation

Dextra is actively involved in reforestation initiatives to combat deforestation. We regularly participate in tree-planting programs, helping restore natural habitats and reduce the carbon footprint through enhanced carbon sequestration.

 

Customer Benefits:

  • Carbon Offset and Biodiversity: Our reforestation efforts support biodiversity and provide a natural offset for carbon emissions, helping customers align with biodiversity goals and nature-based solutions.
  • Commitment to Sustainability: Customers benefit from partnering with a company that supports global efforts to fight deforestation, adding social and environmental value to their own sustainability programs.

 

ESG-5-Elements

 

Why Dextra’s Holistic Approach Matters for Our Customers

Our five-element environmental strategy goes beyond individual initiatives to create a comprehensive, responsible approach that meets today’s high sustainability standards. For our customers, this approach provides a range of valuable benefits:

 

  • Enhanced Brand Value: Partnering with Dextra means choosing a supplier with a firm commitment to environmental responsibility, which can enhance the sustainability credentials of our customers.
  • Alignment with Global Standards: Our holistic environmental strategy aligns with key global sustainability standards, providing customers with products that meet increasingly rigorous environmental and social expectations.
  • Trusted, Sustainable Products: By integrating these five elements into our operations, we ensure that our products are made responsibly and transparently, giving our customers confidence in the quality and sustainability of the solutions we offer.

 

We believe that our holistic environmental strategy benefits not only our company but also our customers and the planet. By aligning our operations with the elements of Fire, Water, Earth, Air, and Wood, we are committed to building a sustainable future together.

Tension Rod Earns European Technical Assessment (ETA)

نشر على بواسطة Kansuda Visesthanakorn

Dextra is proud to announce a significant achievement for our Tension Rod System: the successful attainment of the European Technical Assessment (ETA-24/1184). This milestone underscores our commitment to technical excellence, reliability, and innovation in the construction industry.

A Rigorous Evaluation Process

The European Technical Assessment (ETA) is a prestigious voluntary certification issued under the framework of the European Organisation for Technical Assessment (EOTA). In this case, the certification was granted by the Deutsche Institut für Bautechnik (DIBt), a leading authority in the field.

Achieving this certification involved a comprehensive and meticulous evaluation process conducted by the highly regarded engineering firm, IPU Ingenieurgesellschaft mbH. As part of the assessment, extensive full-scale testing was carried out at the Karlsruhe Institute of Technology (KIT), one of Europe’s foremost research institutions. These tests confirmed that the Dextra Tension Rod System meets the stringent requirements of EAD 200032-00-0602. The results validated the system’s exceptional reliability, performance, and compliance with European standards.

Setting New Benchmarks in Construction Solutions

The Dextra Tension Rod System is designed to address the demanding needs of modern construction projects. Its certification is not only a testament to its robust engineering but also an assurance to our clients that they are investing in a product that meets the highest standards of quality and safety.

This accomplishment highlights Dextra’s ongoing commitment to providing innovative and high-performance solutions that empower engineers, architects, and builders worldwide. By continuously raising the bar, we aim to contribute to the creation of stronger, safer, and more efficient structures across the globe.

 

A Commitment to Technical Excellence

Securing the ETA-24/1184 is a reflection of Dextra’s dedication to advancing the construction industry through reliable and cutting-edge products. Our Tension Rod System exemplifies our mission to deliver solutions that combine innovation, durability, and performance.

New Pamban Bridge, India

نشر على بواسطة Kansuda Visesthanakorn
 

New Pamban Bridge, India

Dextra is proud to support the construction of the New Pamban Bridge in Ramanathapuram, Tamil Nadu, India, by supplying critical structural components for the steel tower and lifting mechanism.

For this landmark project, Dextra provided:

  • 244 sets of fully-threaded (FT) bars (930/1080 grade, 32mm diameter, in lengths of 2,700mm and 3,400mm) along with swivel plates, nuts, end caps, and tube assembly for securing the steel tower/pylon.
  • 24 sets of tension rods (carbon steel M48, grade 700, in lengths of 3,450mm and 3,850mm) for the counterweight position, which are connected to steel wire ropes to lift the bridge vertically.

The New Pamban Bridge is India’s first vertical lift railway sea bridge, enhancing connectivity to Rameswaram Island. Dextra’s high-performance tensioning and post-tensioning solutions ensure durability, stability, and precise load handling, contributing to the bridge’s reliable and efficient operation.

Triumph Motorcycles Office and Factory, Thailand

نشر على بواسطة Kansuda Visesthanakorn
 

Triumph Motorcycles Office and Factory, Thailand

 

Dextra is proud to have played a key role in the construction of the Triumph Motorcycles Office & Factory in Chonburi, Thailand, by supplying high-performance rebar connection solutions for the precast structure.

For this project, Dextra provided جروتيك إس 32mm couplers and بارتيك standard and weldable couplers (diameter 16-32mm), supporting the reinforcement of precast columns. The structural system combined Groutec and Peikko’s Column Shoe, a hybrid approach that enhances construction efficiency, structural integrity, and installation speed.

By integrating Dextra’s advanced rebar splicing solutions, the project benefited from high-strength, reliable connections, reducing on-site labor and ensuring seamless assembly of the precast components. This contribution aligns with Dextra’s commitment to innovative, high-quality construction solutions that meet the demands of modern infrastructure.