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Categoria: Notícias

Tension Rod Earns European Technical Assessment (ETA)

Postado em por 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.

Sustainability of Rebar Couplers: Greener Future for Construction

Postado em por Kansuda Visesthanakorn

In the construction industry, sustainability is becoming an increasingly critical consideration. One area where significant environmental benefits can be achieved is in the use of rebar couplers instead of traditional overlapping methods. This article explores the sustainability of rebar couplers, highlighting their impact on CO2 emissions, cost savings, waste reduction, and transportation efficiency.

 

Reducing CO2 Emissions

Traditional overlapping methods require additional lengths of rebar to create the necessary overlap, leading to increased material usage and higher CO2 emissions. In contrast, rebar couplers eliminate the need for overlapping, directly reducing the amount of rebar required. Studies have shown that using rebar couplers can reduce CO2 emissions by approximately 90% per connection compared to traditional overlap methods. This reduction is achieved through decreased material production and less energy-intensive manufacturing processes.

 

Cost Savings in Raw Material

The use of rebar couplers translates to significant cost savings in raw materials. By eliminating the overlap, contractors can purchase less rebar, which not only reduces costs but also minimizes the environmental impact associated with steel production. Research indicates that the adoption of rebar couplers can lead to a reduction in purchased rebar usage by up to 17.95% (Optimization of Rebar Usage and Sustainability Based on Special-Length Priority: A Case Study of Mechanical Couplers in Diaphragm Walls (mdpi.com). This decrease in material demand contributes to lower overall project costs and supports more sustainable construction practices.

Waste Reduction

One of the key advantages of rebar couplers is their ability to reduce waste. Traditional overlapping methods often result in excess rebar that must be cut and discarded, contributing to construction waste. Rebar couplers, on the other hand, allow for precise connections without the need for cutting, thereby minimizing waste. This approach not only conserves resources but also reduces the environmental footprint of construction projects.

 

Efficient Transportation

Transportation of rebar is another area where rebar couplers offer sustainability benefits. With traditional overlapping methods, the increased volume of rebar required leads to more frequent and larger shipments, increasing fuel consumption and CO2 emissions. Rebar couplers reduce the overall volume of rebar needed, leading to fewer shipments and lower transportation-related emissions. This efficiency in logistics further enhances the sustainability of construction projects.

 

Transparency and Accountability with Dextra’s EPDs

Dextra has taken significant steps towards sustainability by introducing Environmental Product Declarations (EPDs) for our rebar couplers. EPDs provide transparent and verified information about the environmental impact of products throughout their lifecycle. By offering EPDs for our rebar couplers, Dextra demonstrates a commitment to transparency and accountability in building a more sustainable future.

These EPDs cover the full range of Dextra’s rebar couplers, including Bartec®, Griptec®, and Rolltec®, and detail the environmental performance of these products from raw material extraction to end-of-life disposal. This level of transparency allows contractors to make informed decisions based on reliable data, ensuring that their choice of rebar couplers aligns with their sustainability goals.

 

Why Contractors Must Make the Switch

For contractors, the decision to switch from traditional overlapping methods to rebar couplers should be driven by both structural and environmental considerations. Rebar couplers not only provide a reliable and robust connection but also offer significant sustainability advantages.

 

In conclusion, the use of rebar couplers presents a compelling case for contractors seeking to enhance the sustainability of their construction projects. By reducing CO2 emissions, cutting costs, minimizing waste, and improving transportation efficiency, rebar couplers offer a greener and more cost-effective alternative to traditional overlapping methods. Making the switch not only supports environmental goals but also contributes to the long-term viability and success of construction projects.

Innovating Sustainable Construction: GFRP Rebar in Sea Sand and Seawater Concrete

Postado em por Kansuda Visesthanakorn

In today’s world, where sustainability is crucial, Dextra is at the forefront of innovative construction solutions. By promoting the use of sea sand and seawater in concrete, Dextra not only addresses resource scarcity but also enhances the durability and resilience of structures in marine environments. However, the real breakthrough lies in the use of Glass Fibre Reinforced Polymer (GFRP) rebar, which is essential for creating reinforced concrete by solving the corrosion issue of the sea salts.

The Need for Sustainable Solutions

The construction and building industry are a significant contributor to greenhouse gas emissions, accounting for approximately 37% of global emissions. As water-stressed regions face increasing challenges, the use of seawater and sea sand in concrete presents a viable alternative to traditional materials. This shift not only reduces the environmental footprint of construction projects but also mitigates the rising costs associated with freshwater and river sand.

The Challenge of Reinforced Concrete in marine applications

While the integration of sea sand and seawater into concrete is a significant advancement, the true challenge is in reinforcing this concrete effectively. Traditional steel reinforcement is prone to corrosion, especially in chloride-rich environments, which can lead to structural failures over time. GFRP rebar emerges as the keystone of this innovation, offering a sustainable and durable solution that outperforms conventional materials.

Cost-Effectiveness and Lifecycle Benefits

Dextra’s GFRP rebar not only matches the initial construction costs of traditional methods but also provides substantial lifecycle savings. Its resistance to corrosion means lower maintenance costs and longer service life, making it a more economical choice in the long run. This is particularly important in coastal regions where the harsh environment can significantly shorten the lifespan of traditional reinforced concrete.

The key ingredient in seawater concrete is the mineral admixture (granulated blast furnace slag, fly ash, or silica fume), which, when combined with lime and seawater, undergoes a reaction to create a durable and strong material. Some chemical admixtures such as Superplasticizers can also be added to enhance the concrete properties.

Dextra has emerged as the preferred partner to provide the needed GFRP reinforcement rebars of the sea sand and seawater concrete for the most important stakeholders who want to keep their advance in this subject. Additionally, Dextra ensures the highest product standards through rigorous in-house laboratory testing and a comprehensive traceability system, which is why the Hong Kong Polytechnic University has entrusted Dextra with their GFRP rebar requirements.

(Graph: Life cycle cost analysis of structural concrete using seawater, recycled concrete aggregate, and GFRP reinforcement

Younis, Ebead, Judd – Department of Civil and Architectural Engineering, Qatar University – Published in “Construction and Building Materials” (2018))

(Diagram: Life cycle cost analysis of structural concrete using seawater, recycled concrete aggregate, and GFRP reinforcement

Younis, Ebead, Judd – Department of Civil and Architectural Engineering, Qatar University – Published in “Construction and Building Materials” (2018))

SSSW-Picture-9

ACI Committee 243, chaired by Antonio Nanni, focuses on developing guidelines for concrete made with brackish, saline, and brine water, as well as sea aggregates. This committee aims to enhance sustainability in construction by promoting the use of alternative materials that conserve fresh water and natural aggregates.

Antonio Nanni, the immediate past president of the American Concrete Institute (ACI), and chair of ACI committee 243, emphasizes the importance of GFRP in modern infrastructure. He states, “The adoption of GFRP rebars is not just a trend, it’s a necessary evolution in our approach to sustainable construction. Composite reinforcement offers significant advantages over traditional black steel, particularly in environments where corrosion is a concern. GFRP can make several applications of reinforced concrete more sustainable in terms of durability, cost and environmental impact.”

Nanni notes, “I commend Dextra’s commitment to quality and innovation in GFRP manufacturing. Their products meet rigorous performance standards and provide a lightweight solution that enhances structural efficiency.” With a performance-to-weight ratio up to three times that of steel, Dextra’s GFRP rebars are ideal for projects requiring both strength and sustainability.

ANTONIO NANNI

Professor, Department of Civil- and Architectural Engineering

University of Miami, United States. 

Pierre Hofmann

General Manager – GEOTEC Product Line

Grupo Dextra

Dextra’s commitment to sustainability is further exemplified by Pierre Hofmann’s appointment to the American Concrete Institute (ACI) Committee 243 on Seawater Concrete.

His expertise will contribute to developing guidelines and standards that promote the use of seawater concrete in construction projects worldwide.

SSSW-Picture-6-2

(Picture: Coastal Enhancement Works in Hong Kong)

Dextra Group is not just a participant in the construction industry, it is a leader in sustainable practices. By embracing innovative materials like GFRP Rebar, sea sand and seawater concrete, Dextra is paving the way for a more sustainable future in construction. As research continues and new projects emerge, Dextra remains dedicated to finding better solutions that benefit both the environment and the industry.

SSSW Picture-8

Dextra Achieves ISO 19443 Nuclear Certification in India and Thailand

Postado em por Kansuda Visesthanakorn

We are proud to announce that Dextra’s manufacturing plants in India have successfully obtained the ISO 19443 Nuclear Certification for the first time, while our Thailand plants have achieved a successful renewal—both audited and certified by Bureau Veritas. This achievement underscores our commitment to delivering the highest quality and safety standards for the nuclear energy sector worldwide.

What is ISO 19443?

ISO 19443 is a nuclear-specific quality management standard that builds upon ISO 9001, focusing on the unique requirements of the nuclear energy sector. It ensures that organizations like ours consistently provide products and services that meet stringent nuclear safety standards.

 

Why This Certification Matters

Achieving ISO 19443 certification means that Dextra is recognized for its robust quality management systems and its dedication to nuclear safety. This certification is not just a badge of honor; it is a commitment to our customers that we prioritize their safety and satisfaction.

Benefits for Our Customers

  1. Enhanced Safety and Reliability: Our products meet the highest safety standards, ensuring reliability in critical nuclear applications.
  2. Quality Assurance: The certificate guarantees that our manufacturing processes are continuously monitored and improved, providing our customers with the best quality products.
  3. Sustentabilidade: By adhering to ISO 19443 standards, we contribute to sustainable practices within the nuclear industry, aligning with global efforts to promote environmental responsibility.

 

A Commitment to Excellence

At Dextra, we believe in leading by example. Being the only rebar coupler manufacturer with ISO 19443 certification sets us apart in the industry. It reflects our dedication to excellence and our proactive approach to meeting the evolving needs of the nuclear sector.

We extend our gratitude to Bureau Veritas for their rigorous audit process and to our incredible teams in Thailand and India for their hard work and dedication. This achievement is a collective effort, and we are excited to continue delivering unparalleled quality and safety to our customers.

Fortec+ Type 2 Approved by Hong Kong Buildings Department

Postado em por Kansuda Visesthanakorn

Dextra is proud to announce that its innovative Fortec+ Type 2 mechanical coupler has officially been listed in Buildings Department Central Data Bank of Hong Kong. This significant milestone reinforces our commitment to engineering excellence and providing cutting-edge solutions that meet the rigorous demands of the construction industry.

This approval is detailed for sizes 20,25 and 32mm for Type 2 (bar-break) performance.

The official listing can be viewed AQUI.

 

A Breakthrough in Construction Technology

Fortec+ is a next-generation solution designed to address the challenges of modern construction projects. Engineered to offer superior performance, efficiency, and reliability, it delivers exceptional strength and durability, making it an ideal choice for a wide range of applications in structural engineering.

This approval is not just a testament to the quality and innovation of Fortec+, it is also a recognition of its potential to contribute meaningfully to Hong Kong’s ambitious infrastructure projects. Known for its stringent building regulations and high standards, Hong Kong’s construction landscape demands solutions that are both advanced and dependable. Fortec+ meets and exceeds these expectations.

Dextra also provides cross-border rebar threading services, both in Hong Kong and Guangzhou-China, delivering a comprehensive end-to-end reinforcement solution. This service is highly acclaimed by customers who prioritize superior quality, exceptional performance, and hassle-free convenience.

Download Fortec+ brochure


Meeting Hong Kong’s Rigorous Standards

The Buildings Department’s approval process involves meticulous assessments to ensure products adhere to safety, performance, and sustainability criteria. The certification of Fortec+ reflects its:

  • Unmatched Quality: Manufactured using state-of-the-art technology and materials.
  • Structural Efficiency: Optimized for faster installation and reduced labor intensity.
  • Sustainability: Designed with environmental considerations to support greener construction practices.

Fortec+ not only meets the standard for Type 2 Couplers but has also previously been listed on the Central Data Bank for Type 1 Couplers in size 20mm.


Empowering Hong Kong’s Construction Projects

With this approval, Dextra’s Fortec+ is now positioned to play a pivotal role in some of Hong Kong’s most critical construction endeavors. From high-rise developments to large-scale infrastructure projects, Fortec+ offers engineers and developers a trusted solution to meet the city’s growing demands for safe, sustainable, and efficient construction.

 

A Testament to Dextra’s Dedication

This achievement highlights the dedication and expertise of the Dextra team, whose relentless pursuit of innovation and quality has made this milestone possible. It also strengthens our presence in the Asia-Pacific region as a leader in advanced construction solutions.

 

Looking Ahead

As we celebrate this achievement, we remain committed to driving the construction industry forward with innovative solutions that address its evolving needs. The approval of Fortec+ by the Buildings Department of Hong Kong is just the beginning. We look forward to seeing Fortec+ contribute to building a more resilient, efficient, and sustainable urban landscape.

For more information about Fortec+ or to discuss how it can benefit your next project, please CONTACT US.

Picture: Dextra rebar threading services in China

Dextra and Normet Sign MoU for Sustainable FRP Solutions

Postado em por Kansuda Visesthanakorn
Dextra, the leading manufacturer of engineered steel and fibre-reinforced polymer construction solutions, has signed a Memorandum of Understanding (MoU) with Normet International Ltd, a renowned technology company specializing in equipment, construction chemicals, and rock reinforcement products for underground mining and tunneling. This partnership underscores Dextra’s commitment to driving innovation, sustainability, and customer-centric solutions in the industry. This MoU signifies a strategic collaboration between the two companies to leverage their complementary expertise to develop and supply advanced FRP reinforcement products globally. Together, Dextra and Normet aim to expand the application of FRP in underground mining and tunneling, introducing lightweight, durable, and sustainable solutions to enhance operational safety and efficiency. “Partnering with Normet is an exciting step towards broadening our FRP portfolio and driving innovation in the industry,” said Pierre Hofmann, General Manager of Dextra’s Geotech Business Line. “This collaboration aligns with our commitment to delivering sustainable and cutting-edge reinforcement solutions for our customers while addressing the growing need for environmentally responsible construction materials.”
The partnership promises significant benefits for Dextra’s customers by combining Normet’s deep expertise in underground operations with Dextra’s established leadership in FRP technologies. Customers can expect solutions that not only enhance safety and durability but also reduce the environmental footprint of their projects. By utilizing FRP reinforcement, clients will benefit from materials that are lightweight, corrosion-resistant, and energy-efficient, contributing to longer-lasting and more sustainable infrastructure. Alan Pengelly, Senior Vice President of Normet’s GCCT (Ground Control & Construction Technologies) Business Line, added, “We are thrilled to partner with Dextra to develop PRFV Reinforcement Solutions for the tunneling and mining industries. This collaboration supports our mission to create the safest places underground while advancing sustainability and innovation.”
  About Dextra: Dextra is a globally recognized provider of high-quality steel coupling and FRP solutions for the Civil Engineering market. With a strong focus on innovation and sustainability, Dextra is dedicated to delivering products that meet the evolving needs of the construction industry. Headquartered in Thailand, Dextra serves a diverse client base worldwide, contributing to groundbreaking infrastructure projects and fostering a more sustainable future. Learn more at www.dextragroup.com About Normet: Normet is a world-leading, innovative technology company that defines the future of underground operations in mining, tunneling, and civil engineering projects. The company’s offerings include a complete portfolio of solutions designed to enhance safety, sustainability, and productivity throughout the project lifecycle. Headquartered in Finland, Normet employs over 1,800 professionals across 50 locations in 30 countries. Normet Group’s net sales totaled EUR 484 million in 2023. Learn more at www.normet.com For more information, please contact: Pierre Hofmann, General Manager, Geotech Business Line Dextra Group Email: phofmann@dextragroup.com Alan Pengelly, Senior Vice President, GCCT Business Line Normet Group Email: alan.pengelley@normet.com

Building a Greener Future: Dextra’s Commitment to Sustainability

Postado em por Kansuda Visesthanakorn

At Dextra, sustainability is not just a goal, it is an ongoing commitment deeply integrated into our operations, innovations, and partnerships.

In an era where environmental consciousness is more critical than ever, we are proud to lead the challenge of creating a sustainable future for the construction industry.

 

The Role of Construction in Environmental Impact

The construction industry is a cornerstone of modern development, shaping the homes, offices, and infrastructure that define our lives.

However, it also has a substantial environmental footprint. From resource-intensive processes to significant waste generation, the sector’s activities contribute to global environmental challenges.

Recognizing this, Dextra has embraced its responsibility to drive change and lead by example.

 

Proactive Solutions for a Sustainable Industry

Dextra has taken bold steps to offer innovative solutions that prioritize sustainability without compromising performance.

Our technologies are designed to:

  • Enhance Efficiency: By enabling more efficient building practices, we help reduce energy consumption and resource use during construction.
  • Minimize Waste: Our advanced systems are engineered to optimize material usage, significantly reducing wastage.
  • Promote Durability and Energy Efficiency: We support the creation of structures that are not only long-lasting but also energy-efficient, contributing to a lower carbon footprint over their lifecycle.

 

Sustainability as a Collaborative Journey

What truly sets Dextra apart is our philosophy that sustainability is a journey. Achieving meaningful progress requires constant adaptation, innovation, and collaboration.

This belief drives us to work closely with:

  • Industry Partners: Sharing knowledge and fostering innovation to develop groundbreaking solutions.
  • Customers: Providing tools and expertise to help them achieve their sustainability goals.
  • Communities: Engaging with local stakeholders to ensure our efforts align with broader environmental and social objectives.

 

Building a Greener Future, Together

We understand that the path to sustainability is a collective endeavor. By forging strong partnerships and maintaining a relentless focus on innovation, we aim to drive transformative changes in the construction industry. Together, we can create a greener, more sustainable world.

Join us on this journey.

 

Explore how Dextra is making a difference, visit our Sustainability page.

 

Watch on YouTube
Learn more about our sustainable approach

The Evolution of Precast Construction: Couplers vs. Corrugated Tubes

Postado em por Kansuda Visesthanakorn
Precast Couplers vs. Traditional Corrugated Tubes

Precast Couplers vs. Traditional Corrugated Tubes

Não é possível exibir o arquivo PDF. Download em vez de.
Download Groutec brochure

Read it on the CPi’s e-magazine (page 172-174)

Honoring Two Decades of Dedication from Our Long-Term Employees

Postado em por Kansuda Visesthanakorn

This year, we are thrilled to celebrate a significant milestone for several of our dedicated employees who have spent 20 years with us. Their journey is a testament to the strength of our team and the values we uphold as an organization.

At Dextra, we believe that our people are our greatest asset. Each of these employees has played a vital role in our achievements, contributing their skills, passion, and creativity to help us reach new heights. Their commitment not only reflects their personal dedication but also embodies the spirit of collaboration and innovation that drives our success.

As we celebrate this milestone, we want to express our heartfelt gratitude to these remarkable individuals. Your hard work and loyalty have not gone unnoticed, and we are proud to have you as part of our family.

Together, we look forward to continuing this journey, embracing new challenges, and achieving even greater successes in the years to come.

Thank you for being an integral part of our story!

Dextra Undergoes ISO 19443 Audit with Bureau Veritas

Postado em por Kansuda Visesthanakorn

At Dextra, we are committed to maintaining the highest standards of quality and safety in the nuclear industry. Our manufacturing plants in Thailand and India are currently being audited by Bureau Veritas for the prestigious ISO 19443 Nuclear Certification.

This marks a renewal of the certificate for our Thailand factory, reaffirming our long-standing commitment to excellence, and a new milestone for our India factory, as it undergoes this certification process for the first time.

Why Bureau Veritas?

Bureau Veritas is a global leader in testing, inspection, and certification, with nearly 200 years of experience.

Their reputation for technical expertise, high quality, and integrity makes them the ideal partner for our certification process.

Here are a few reasons why we chose to work with Bureau Veritas:

  1. Unmatched Expertise: Bureau Veritas has a long-standing history of providing top-notch services in quality management and certification. Their deep-rooted knowledge and experience in the nuclear sector ensure that we are in capable hands.
  2. Global Reach: With a presence in over 140 countries, Bureau Veritas offers a comprehensive understanding of international standards and practices. This global perspective is crucial for our operations in Thailand and India.
  3. Commitment to Sustainability: Bureau Veritas is dedicated to promoting sustainable practices. Their focus on environmental responsibility aligns with our own commitment to sustainability and quality.

The Audit Process:

The audit by Bureau Veritas involves a three-week, thorough examination of our quality management systems, safety protocols, and operational procedures. This rigorous process ensures that we meet the stringent requirements of the ISO 19443 standard, which is specifically designed for the nuclear industry.

Looking Ahead:

We are confident that this audit will further solidify our position as a leader in the rebar coupler manufacturing industry.

Achieving ISO 19443 certification will not only enhance our credibility but also provide our customers with the assurance that they are receiving products of the highest quality and safety standards.

 

Stay tuned for more updates on our certification journey.

We extend our gratitude to Bureau Veritas for their meticulous audit process and to our dedicated teams for their hard work and commitment.