Overseas projects - ESDESCON – Seismic Protection & Engineering Solutions

USA - Talmadge Memorial Bridge Done

Fri, 17 Jul 2026 07:40:59 -0400

Precision Measuring Instrument for Stay Cable Bridge Repair
The Eugene Talmadge Memorial Bridge underwent cable and damper system repairs after 15 years of service. DYWIDAG’s state-of-the-art precision measuring technology enabled the successful retrofit.
Background:
• Originally built (1953-1954), the old Talmadge Bridge was replaced with a new cable-stayed bridge in 1991 to accommodate larger vessels.
• The bridge features a 185 ft (311m) vertical clearance at high tide and 1,023 ft (56m) horizontal clearance.
Problem & Challenges:
• Urethane dampeners, placed at the base and top of each cable, suffered from continuous vibration, causing them to loosen over time.
• Due to temperature variations, both the cables and deck expand and contract, making damper placement highly complex.
• Retrofit difficulty: The new dampeners had to fit within the existing exit pipe geometry, requiring extreme precision.
DYWIDAG’s Solution & Innovation:
• State-of-the-art measuring instruments and reverse engineering software enabled precise data collection.
• Robotic arms measured down to one-thousandth of an inch, ensuring exact damper fit.
• A 3D model was generated based on real-time measurements for fabrication and installation.
Results & Impact:
• New dampeners were fabricated and installed within just one week.
• DYWIDAG’s advanced technology streamlined the measurement, production, and installation process.
• The Talmadge Memorial Bridge’s stability was restored, extending its service life and ensuring safe operation.
This project demonstrated cutting-edge precision engineering, reinforcing DYWIDAG’s expertise in structural rehabilitation.

USA - The Golden Bridge Done

Fri, 17 Jul 2026 07:39:40 -0400

Seismic Retrofit of the Golden Gate Bridge Using Geotechnical and Post-Tensioning Systems
The Golden Gate Bridge in San Francisco is located in a highly active seismic zone. Studies indicated that a magnitude 7+ earthquake near the bridge could cause severe damage, making a comprehensive seismic retrofit essential.
Project Scope
The retrofit was planned in three phases, ensuring seismic resilience while preserving the bridge’s historic architectural beauty:
1. North Approach Viaduct – Strengthened to prevent the collapse of its tall support towers.
2. South Approach Viaduct & Fort Point Arch – Included anchorage housing, pylons (S1 & S2), and energy-absorbing devices to control movements.
3. Suspension Bridge & North Anchorage Housing – Strengthened main span trusses, tower connections, and foundations to withstand seismic forces.
DYWIDAG’s Contribution
• Supplied and installed multistrand post-tensioning tendons and epoxy-coated multistrand tiedown anchors.
• Reinforced pylons S1 & S2 with steel plates and concrete coverings for seismic resistance.
• Strengthened foundations using 90 multistrand tendons (pylon S1) and 24 tiedown anchors (pylon S2).
• Upgraded South Anchorage Housing with high-strength THREADBAR® tendons.
• Installed shear walls and additional reinforcements in the south abutment and multiple foundation sections.
Completion & Impact
• Construction began in 2001, with DYWIDAG’s key installations completed in August 2004.
• The Fort Point Arch uplift risk was mitigated using controlled lifting mechanisms.
• The Golden Gate Bridge remains safe and operational, now capable of withstanding earthquakes of up to magnitude 8.3.
This retrofit ensures the long-term structural integrity of the Golden Gate Bridge, maintaining its role as both a critical transportation link and a global landmark.

Indonesia - The Pulau Balang Island Bridge Done

Fri, 17 Jul 2026 07:38:27 -0400

Project: Pulau Balang Bridge – Overcoming Logistical Challenges
The Pulau Balang Bridge in Borneo, Indonesia, connects Balikpapan Bay’s eastern side to Balang Island and is Indonesia’s longest concrete deck stay cable bridge with an 804m span.
DYWIDAG’s Role:
• Provided 4 full-time supervisors, 12 PT Delta Engineers, and 100 team members.
• Overcame challenging terrain—though only 25km from Balikpapan, road transport took a full day, making boat transport essential despite capacity and safety issues.
• Installed first cables in October 2019, with bridge completion in November 2020.
This project highlights DYWIDAG’s adaptability in overcoming extreme logistical challenges. As of January 2021, it became the 4th DYWIDAG stay cable bridge in Indonesia.

Spain - The Guadiana International Bridge Done

Fri, 17 Jul 2026 07:37:10 -0400

Project: Smart Stay Cable Upgrade for the Guadiana Bridge
The Guadiana International Bridge, spanning 666m with a 324m central span, connects Spain and Portugal. After multiple strand failures, inspections in 2018 confirmed the need for a full stay cable system replacement.
DYWIDAG’s Role:
• Inspection & testing (June – Aug 2018)
• Stay cable replacement (Nov 2019 – Apr 2021)
The replacement involved removing old cables, modifying anchorages, and installing new DYWIDAG monitoring stay cables with sensors for continuous force measurement. The system includes elasto-magnetic sensors, cable vibration dampers, and automated force monitoring.
With completion in April 2021, the bridge is now safer, stronger, and equipped with smart monitoring technology.

India - Chenab River Done

Fri, 17 Jul 2026 07:36:12 -0400

Project: “Supporting the World’s Highest Railway Bridge”
A bridge was needed to connect a railway across the deep Chenab River gorge in India, posing a major engineering challenge. The Chenab Rail Bridge, located in Jammu and Kashmir, stands 359 m (1,178 ft) high, making it the world’s highest railway bridge.
DYWIDAG’s Role:
• Supplied and installed ground anchors (May 2014 – June 2017) and temporary stay cables for arch erection (Dec 2017 – June 2021).
• Ensured local fabrication to prevent transport damage.
• Completed arch construction in April 2021 and stress-tested 56 cables by Dec 2021.
• Installed horizontal ties in March 2022, finalizing the arch, with cable dismantling set for fall 2022.
Designed to last 120 years, the bridge can withstand winds of 266 km/h and zone-V earthquakes.

NOEplast Rotterdam Bridge

Fri, 17 Jul 2026 07:34:03 -0400

The images show a bridge project in the Netherlands. The entire bridge facade was decorated with a unique pattern using NOE architectural formwork. When choosing patterns, you can order the desired size and then paint it in the desired color.

ESDESCON LLC represents Germany`s NOE, which has been manufacturing formwork products since the 1950s, in Azerbaijan. Along with construction formwork, NOE also manufactures architectural ones.

Architectural formwork allows for creating any patterns, images, designs, ornaments, logos, etc., on concrete surfaces, which can be chosen from the NOE catalog or ordered according to an individual design.

NOE, which strives to create unique designs using architectural formwork, also offers cost-effective solutions since each formwork can be used up to 100 times.

NOEplast Vroenhoven Bridge

Fri, 17 Jul 2026 07:32:51 -0400

The images show a project implemented in Belgium on the facade of the bridge (Vroenhoven Bridge), which passes over a water canal. The Granite IV form liner from the NOEplast catalog was chosen. As can be seen in the images, the form liner was designed to replicate the effect of natural granite with relief and depressions. In such projects, after the concrete is poured, various additives can be used to emphasize the color and unique features of the product.

ESDESCON LLC represents Germany`s NOE, which has been manufacturing formwork products since the 1950s, in Azerbaijan. Along with construction formwork, NOE also manufactures architectural ones.

NOE, which strives to create unique designs using architectural formwork, also offers cost-effective solutions since each formwork can be used up to 100 times.

NOE bridge at near Chemnitz

Fri, 17 Jul 2026 07:30:57 -0400

The images show a bridge project in Chemnitz, Germany.

For this project, NOE supplied
1. circular formwork,
2. wooden beams with corresponding accessories,
3. as well as formwork accessories.

ESDESCON LLC represents Germany`s NOE, which has been manufacturing formwork products since the 1950s, in Azerbaijan. These systems are used in the construction of buildings and other similar structures, bridges, and tunnels.

NOE bridge at Zwickauer Mulde Valley

Fri, 17 Jul 2026 07:30:09 -0400

The images show a bridge project in Penig, Germany, in the Zwickauer Mulde valley area.

For this project, NOE supplied
1. flooring formwork,
2. panel formwork components,
3. formwork support systems,
4. NOEplast Freiburg architectural formwork,
5. wooden beams H20.

NOE Kirchberg Bridge

Fri, 17 Jul 2026 07:29:35 -0400

The images show the Kirchberg bridge project in Zwickau, Germany.
For this project, NOE supplied wooden beams H20.
ESDESCON LLC represents Germany`s NOE, which has been manufacturing formwork products since the 1950s, in Azerbaijan. These systems are used in the construction of buildings and other similar structures, bridges, and tunnels.