Pattullo Bridge Replacement, Canada

Publié sur septembre 4, 2024novembre 8, 2024 par Kansuda Visesthanakorn

Pattullo Bridge Replacement, Canada

Dextra has proudly contributed to the construction of the Pattullo Bridge Replacement project in Canada, a vital infrastructure project that will enhance connectivity between Surrey and New Westminster. As part of this ambitious endeavor, Dextra supplied 100,000 Bartec couplers, ensuring robust and reliable rebar connections from the bridge’s foundations to its towering pylons.

Le Bartec couplers, known for their high performance and ease of installation, were integral in providing the necessary strength and durability required for this long-term infrastructure. Dextra’s involvement in the Pattullo Bridge project underscores the company’s commitment to delivering innovative solutions that support large-scale construction efforts worldwide. As the new bridge takes shape, it stands as a testament to the importance of reliable engineering components in building the infrastructure of tomorrow.

San Shek Wan Sewage Treatment Works, Hong Kong

Publié sur août 2, 2024août 2, 2024 par Kansuda Visesthanakorn

San Shek Wan Sewage Treatment Works, Hong Kong

The San Shek Wan Sewage Treatment Works (STW) project in Hong Kong marks a significant step towards addressing the sewage disposal needs of the South Lantau region. As the population of South Lantau is projected to grow, with an ultimate population reaching approximately 12,600 by 2039, the sewage flow is anticipated to increase to 5,800 m³/day. To accommodate this, a comprehensive sewerage system is being constructed, which includes a trunk sewerage system for Pui O area, a secondary STW at San Shek Wan, and a village sewerage system for Lo Uk.

A critical component of this ambitious infrastructure project is the use of advanced materials and technologies to ensure its successful and sustainable completion. Dextra, a global leader in engineered construction products, has played a pivotal role by supplying Glass Fibre Reinforced Polymer (GFRP) soil nails for the excavation and lateral support (ELS) works.

The Role of GFRP Soil Nails in ELS Works

The excavation and lateral support works are essential to the project’s foundation and stability. The challenging geotechnical conditions in Hong Kong, characterized by complex soil and rock formations, necessitate the use of robust and reliable reinforcement solutions. GFRP soil nails, provided by Dextra, are ideal for such conditions due to their high tensile strength, corrosion resistance, and lightweight nature.

GFRP soil nails are used to stabilize slopes and excavations, preventing landslides and soil erosion. Their corrosion resistance is particularly beneficial in environments exposed to moisture and chemicals, such as sewage treatment works. This ensures a longer lifespan and reduced maintenance costs compared to traditional steel reinforcement.

Benefits of Dextra’s GFRP Solutions

Corrosion Resistance: Unlike steel, GFRP does not corrode when exposed to harsh environmental conditions. This makes it an excellent choice for the wet and chemically aggressive conditions present in sewage treatment works.
High Strength-to-Weight Ratio: GFRP offers a high tensile strength comparable to steel but at a fraction of the weight. This ease of handling and installation translates to time and labor savings.
Durability: The longevity of GFRP soil nails ensures the structural integrity of the excavation and lateral support systems over the extended operational life of the sewage treatment works.
Durabilité: By using GFRP, the project reduces its reliance on steel, thereby contributing to more sustainable construction practices.

Impact on the San Shek Wan STW Project

Dextra’s involvement and the implementation of GFRP soil nails have significantly enhanced the efficiency and sustainability of the San Shek Wan STW project. The advanced materials have ensured that the excavation and lateral support works are not only robust and reliable but also cost-effective over the long term.

Upon completion, the sewage from South Lantau will be conveyed to the newly constructed STW for proper treatment. The treated effluent will then be safely discharged into the sea about 1.4 km off the South Lantau coast, ensuring minimal environmental impact. This project represents a crucial infrastructure upgrade that will support the region’s growth and development while maintaining high environmental and operational standards.

Cairo Monorail Bowstring Bridge, Egypt

Publié sur juillet 5, 2024juillet 5, 2024 par Kansuda Visesthanakorn

Cairo Monorail Bowstring Bridge, Egypt

The Cairo Monorail Bowstring Bridge project, a pivotal part of Egypt’s expanding urban infrastructure, has significantly benefited from the expertise and quality products supplied by Dextra. Known for their innovative engineering solutions, Dextra provided critical materials to support the construction of this state-of-the-art transportation link.

In particular, Dextra supplied tension rods in two distinct specifications for the project:

M78/OD75 in Grade CS520 – A total of 60 sets were delivered.
M83/OD80 in Grade CS520 – An additional 8 sets were provided.

These tension rods were specifically used as hangers for the bowstring bridge, ensuring a high level of strength and durability, which is crucial for the safety and longevity of the bridge, to maintain structural integrity and withstand the stresses of daily monorail operations.

Dextra’s tension rods, known for their high tensile strength and resistance to environmental factors while providing architectural pleasure, played a critical role in meeting these demands. This involvement underscores the importance of reliable and advanced engineering solutions in modern infrastructure projects, highlighting Dextra’s commitment to excellence and innovation in the field of civil engineering.

San’ao Nuclear Power Plant 1&2, China

Publié sur juin 12, 2024juin 12, 2024 par Kansuda Visesthanakorn

San’ao Nuclear Power Plant 1&2, China

Création has successfully supplied 340,000 Griptec couplers for the anti-aircraft impact shell construction of the San’ao Nuclear Power Plant units 1 and 2, featuring the advanced HPR1000 Hualong reactors.

Griptec, recognized as the only 100% proofed splicing system, has gained the trust of over ten nuclear reactors globally, cementing its reputation for reliability and safety in high-stakes environments. The system’s stringent quality assurance processes ensure that each coupler meets the demanding standards required for nuclear applications, providing unparalleled performance and durability.

One of the standout features of Griptec is its high-productivity bar end preparation equipment. This state-of-the-art machinery boasts an impressive processing speed of 30 to 45 seconds per bar end, significantly enhancing construction efficiency. Additionally, the equipment is designed for operation by a single operator, optimizing workforce utilization.

Moreover, Création is the first manufacturer of products for civil works construction whose quality management system is ISO 19443 certified for nuclear safety. This certification underscores Création‘s commitment to the highest standards of safety and quality in the nuclear industry, reflecting the company’s dedication to excellence and reliability.

The San’ao Nuclear Power Plant project is a key component of China’s strategic initiative to expand its nuclear power capacity, which is vital for meeting the country’s growing energy needs while reducing carbon emissions. By supplying Griptec couplers, Création is playing a crucial role in ensuring the safety and efficiency of this project.

A66 Salzbachtal Bridge, Germany

Publié sur juin 12, 2024juin 12, 2024 par Kansuda Visesthanakorn

A66 Salzbachtal Bridge, Germany

The A66 Salzbachtal Bridge, located in Wiesbaden, Hesse, is a 304-meter-long, four-lane motorway bridge on the A66. Originally constructed in the mid-20th century, the bridge has been subject to wear and tear due to increasing traffic loads and aging infrastructure.

Foundation piles are fundamental to the stability and longevity of bridge structures. Ensuring their integrity is crucial to preventing potential structural failures. Création played a pivotal role by supplying approximately 10,000 linear meters of Sonitec CSL (Cross Sonic Logging) tubes.

Sonic tubes are essential components in the CSL testing method, which is widely regarded as one of the most reliable techniques for assessing deep foundation integrity. Sonitec, designed for easy installation within the reinforcement cage, facilitates accurate cross-hole sonic logging, allowing engineers to precisely detect and locate defects within the piles.

(Image credit: PORR Deutschland, Wilhelm Schütz)

Cross Island Line (CRL) MRT, Singapore

Publié sur juin 12, 2024juillet 19, 2024 par Kansuda Visesthanakorn

Cross Island Line (CRL) MRT, Singapore

Création has played a pivotal role in the construction of Singapore’s Cross Island Line (CRL) MRT project, supplying Glass Fiber Reinforced Polymer (GFRP) soft-eyes, Bartec couplers and Barres à tête for several crucial packages. Création continues to support the ongoing packages of this extensive project.

The CRL is set to become Singapore’s eighth MRT line and its longest fully underground line, stretching over 50 kilometers. The project is being executed in three phases, with the first phase anticipated to be operational by 2030.

To minimize the environmental impact on the forested areas of the nature reserve, engineering solutions were meticulously chosen to further mitigate environmental disruption. These solutions include digging deeper into the ground and employing a large diameter boring machine, capable of accommodating two train tracks within a single tunnel. This approach not only reduces the surface footprint but also enhances the efficiency of the tunneling process.

Tunnel Boring Machines (TBMs) are a staple in Singapore’s subterranean infrastructure projects, adept at operating under a variety of ground conditions. The use of GFRP soft-eyes supplied by Création is integral to these operations. Soft-eyes are essential components in TBM tunneling, acting as temporary openings that allow the TBM to break through concrete walls without compromising structural integrity. The GFRP material is preferred for its high strength-to-weight ratio, corrosion resistance, and ease of installation, ensuring safe and efficient tunneling operations.

Création‘s expertise and reliable supply of GFRP soft-eyes, Bartec couplers and headed bars have significantly contributed to the progress of the CRL project, aligning with Singapore’s commitment to sustainable and innovative infrastructure development. As the CRL project advances, Création remains a key partner, supporting the construction of this monumental MRT line that will eventually enhance the daily commute for millions of Singaporeans.

Foundation for Public Housing Development at Pik Wan Road, Hong Kong

Publié sur mai 9, 2024mai 9, 2024 par Kansuda Visesthanakorn

The Foundation for Public Housing Development at Pik Wan Road, Hong Kong

The Foundation for Public Housing Development at Pik Wan Road stands as a testament to Hong Kong’s commitment to sustainable urban development and infrastructure enhancement. Situated amidst the vibrant cityscape, this construction project embodies a convergence of innovative engineering and community-focused initiatives.

At the heart of this endeavor lies the crucial aspect of slope stabilization—a fundamental requirement in Hong Kong’s hilly terrain, where land development often necessitates meticulous attention to structural integrity. Recognizing the significance of this aspect, the project turned to advanced solutions, seeking to marry effectiveness with environmental responsibility.

Enter Création, a renowned provider of engineering solutions renowned for its commitment to quality and innovation. Dextra’s contribution comprised over a thousand pieces of Glass Fiber Reinforced Polymer (GFRP) Soil Nails — a cutting-edge solution designed to address the specific challenges of slope stabilization. GFRP Soil Nails offer superior corrosion resistance, durability, and ease of installation while minimizing environmental impact.

Dextra’s GFRP solutions have earned the esteemed approval of various authoritative bodies in Hong Kong, including the Buildings Department, a crucial entity overseeing building codes, safety standards, and inspections. Additionally, they have garnered recognition from the Hospital Authority, ensuring their reliability and suitability for healthcare infrastructure. Moreover, recognition from the Housing Department and the Construction Innovation & Technology Fund (CITF) signifies their innovative edge and contribution to advancing construction practices in Hong Kong.

Réservoirs d'eau de la mission Jal Jeevan, Inde

Publié sur avril 2, 2024avril 2, 2024 par Kansuda Visesthanakorn

Réservoirs d'eau de la mission Jal Jeevan, Inde

La mission Jal Jeevan du gouvernement indien est une initiative phare visant à garantir un approvisionnement adéquat en eau potable de qualité à des tarifs abordables sur le long terme. Il souligne l'importance d'une bonne gestion de l'eau, du développement des infrastructures et de la participation communautaire pour atteindre l'objectif ambitieux de « Har Ghar Jal » (De l'eau pour chaque foyer).

Compte tenu de la géographie étendue de l’Inde, du terrain accidenté et des établissements humains situés dans des zones reculées, l’accès à l’eau continue constitue un défi. Par conséquent, les réservoirs aériens constituent une bonne option pour stocker et distribuer efficacement l’eau, en particulier dans les zones où les modes d’approvisionnement en eau sont incohérents. La construction et le développement des infrastructures sont encore un autre facteur clé qui a une influence directe sur le développement.

La construction préfabriquée est l'une de ces méthodes qui a pris un essor considérable ces derniers temps en raison de ses avantages, tels qu'une productivité accélérée, un meilleur contrôle de la qualité, le respect de l'environnement et une utilisation optimisée des matériaux et de la main-d'œuvre. Bien que cette méthode entraîne des coûts de mise en œuvre initiaux élevés, son attrait est renforcé par des projets à grande échelle avec des conceptions standardisées. Dans le cadre du projet, notre équipe a travaillé en étroite coordination avec Larsen & Toubro (L&T) dès la phase de conception, en sélectionnant soigneusement les coupleurs Groutec et Bartec pour relier les cadres H et U des réservoirs aériens.

Notre gamme de coupleurs Groutec est sans doute l'épissure mécanique la plus fiable, spécialement conçue pour relier deux éléments préfabriqués sans nécessiter de joints de béton humide sur place. Ces coupleurs ont été qualifiés et testés avec succès au fil des années sur plusieurs projets d'infrastructure majeurs, notamment des supports de canalisations d'usines de traitement, des bâtiments résidentiels et commerciaux et des centres de données, entre autres.

Tai Po Railway Pier – Reconstruction of Tai Po Kau Tide Gauge Station

Publié sur avril 2, 2024octobre 18, 2024 par Kansuda Visesthanakorn

Tai Po Railway Pier – Reconstruction of Tai Po Kau Tide Gauge Station, Hong Kong

Dans le paysage côtier dynamique de Tai Po Kau, dans les Nouveaux Territoires de Hong Kong, les projets d'infrastructure exigent des solutions robustes et résilientes. L'un de ces projets, le projet de reconstruction de la station marégraphique de Tai Po Kau, nécessitait des matériaux innovants pour résister aux défis uniques posés par son environnement. Dextra est intervenu pour fournir environ 1 000 mètres de Glass Fibre Reinforced Polymer (GFRP) rebar for the slab of the Tai Po Railway Pier, démontrant l'efficacité des matériaux composites avancés dans la construction marine.

Le projet de station marégraphique Tai Po Kau visait à revitaliser l'infrastructure existante, en renforçant sa résilience contre les forces de marée, la corrosion et la dégradation de l'environnement. Conscient des limites du renforcement traditionnel en acier dans les environnements marins, le projet a recherché des alternatives susceptibles d'offrir une durabilité et une longévité supérieures. Dextra Barres d'armature en PRV est apparu comme la solution idéale, offrant une résistance exceptionnelle à la corrosion, à la rouille et à la dégradation chimique généralement associée à l'exposition à l'eau salée.

Barres d'armature en PRV, composé de fibres de verre à haute résistance incorporées dans une matrice polymère, offre des propriétés mécaniques comparables à celles de l'acier mais avec des avantages supplémentaires. Notamment, Barres d'armature en PRV présente une conductivité thermique nettement inférieure, réduisant le risque de ponts thermiques et améliorant l'intégrité structurelle dans des variations extrêmes de température. De plus, ses propriétés non magnétiques éliminent les interférences électromagnétiques, ce qui le rend adapté aux applications sensibles telles que les stations marégraphiques.

L'application de Barres d'armature en PRV within the Tai Po Kau Tide Gauge Station project encompassed both straight and bend bars, catering to the diverse structural requirements of the public pier. Dextra’s expertise in custom fabrication ensured precise bending and shaping of the rebar to fit the intricate geometries of the pier structure, facilitating seamless integration and minimizing construction complexities.

Usine Nestlé LEO, Thaïlande

Publié sur avril 2, 2024avril 2, 2024 par Kansuda Visesthanakorn

Usine Nestlé LEO, Thaïlande

Le recours de Nestlé LEO Factory aux éléments préfabriqués nécessitait une méthode fiable et efficace pour assembler la structure préfabriquée du bâtiment. La construction a utilisé Groutec F, un système d'épissure bien connu conçu par Dextra, pour répondre aux exigences rigoureuses du bâtiment préfabriqué. Groutec F permet la connexion des barres d'armature sans avoir besoin de préparation des extrémités des barres et a été utilisé pour la connexion des joints préfabriqués de la poutre et du poteau dans ce projet.

Groutec F est une solution de connexion entièrement injectée, garantissant robustesse et durabilité face à des environnements opérationnels dynamiques. Conçu et fabriqué conformément aux normes de pointe de l'industrie telles que l'Eurocode 2, BS 8110, ACI 318, IBC et AASHTO, Groutec F garantit le respect de spécifications structurelles rigoureuses. Il est compatible avec les principales marques de coulis sans retrait disponibles sur le marché, réduisant ainsi les complexités logistiques et les délais d'approvisionnement.

Catégorie : Projets