Netting
Steel wire rockfall protection systems
Maccaferri DT Mesh is a core component of our MacRO rockfall mitigation and natural hazard protection application area. It is one out of a range of mesh systems that are selected according to our analysis of the project site conditions and client requirements.
Used for over 50 years, our DT Mesh is engineered from our double twisted hexagonal woven steel wire and is used as a drapery system to prevent rocks and debris from falling onto roads and railways. Due to the characteristics of the double twist, the steel wire mesh can withstand the punching force of falling rocks and without unraveling in the event of wire breakage.
DT Mesh is made from high quality steel wire, which is heavily galvanised to provide long term corrosion protection. An additional protective polymeric coating is also applied for meshes that are to be used in more aggressive environments, or where a longer design life is required.
Our DT mesh is manufactured in our factories around the world. In selected factories, the mesh is produced in compliance with CPR - Construction Product Regulation 305/2011, having EC marking in compliance with ETA-16/0758. The management and production system is certified in compliance with ISO 9001 and ISO 14001 (related to the environmental management system).
Success Stories
Built, not just drawn
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DESIGN AND BUILD OF ROCK STABILIZATION AND WADI INTERCEPTORS
Saudi Arabia
The Red Sea Project, one of the giga-projects announced by the crown prince in 2017, is billed as one of the World’s most ambitious tourism and hospitality projects: An ultra-luxury destination that is being created around one of the world’s hidden natural treasures. The Red Sea Project will set new standards in sustainable development and redefine the world of luxury tourism with objectives to position the Kingdom on the global tourism map. Once completed, visitors will be able to explore the wonders and rich cultural heritage of Saudi Arabia’s untouched Red Sea Coast. This touristic project includes more than 90 unspoiled islands between the cities of Umluj and Al-Wajh. It covers several of the Red Sea’s untouched islands and a nature reserve containing regional flora and fauna. The project location is characterized by the presence of steep rock slopes that become susceptible to instabilities once it is altered from their original form during the expected construction activities required for the project. Therefore, one of the main challenges was to adopt the right solution that would protect the workers and the visitors from the potential geo-hazards that could happen during the construction period and in the future.
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HELMHOLTZ-ZENTRUM BERLIN ADLERSHOF
Germany
The University Campus in Berlin-Adlershof is well known for the many research institutions present in its area. One of those is the HZB Helmholtz - Zentrum Berlin, where a prototype of a linear accelerator with energy recovery is placed. In this building, electrons are accelerated to almost the speed of light using a great deal of energy. After passing through a high-speed path, the electrons are to be recaptured in bERLinPro and their energy recovered. Therefore the hall is protected by a reinforced soil structure made with the wrap-around system. In the last times, some foxes started to dig and excavate tunnels inside the embankment, creating some instability problems.
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LÖTZGALERIE
Austria
The busy Inntal motorway from Arlberg towards Innsbruck is a very important west-east connection. For the construction of a new gallery below steep rock faces, ASFINAG has planned 3000 kJ rockfall protection nets. These barriers will protect the construction site and the motorway during construction.
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