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Corrosion damage, tolerances and inaccuracies often make the full-surface installation of bridge bearings difficult. MM1018 – The Liquid-Shim® – adapts flexibly to any gap geometry and ensures a force-fit and form-fit connection between the component surfaces.
Crane rails become deformed due to high loads, while corrosion causes additional damage to the substructure. MM1018 – The Liquid-Shim® – provides a stable foundation when refurbishing crane rails by compensating for unevenness and creating a full-surface, force-fit connection between the rail and the substrate.
Precise horizontal alignment is crucial when erecting silo towers. MM1018, as an innovative gap compensation material, ensures a force-fit and even connection that guarantees long-term stability.
The perfect connection of head plate joints is crucial for the stability of a structure. MM1018 reliably compensates for gaps and tolerances and, with its fluid form, ensures a full-surface, friction-locked connection – for maximum stability and precision.
Further case studies
Durable, corrosion-resistant connections are essential in hydraulic steel construction. MM1018 completely compensates for gaps, creates a force-fit connection and protects the steel connection from corrosion-related damage.
In order to withstand the highly dynamic loads acting on a wind turbine, it is necessary that the forces can be transmitted 100%. MM1018 – The Liquid-Shim® enables this 100% force-fit connection and thus ensures the safety and stability of wind turbines.
No problem! Our expert Carsten Vogels will be happy to help you find the perfect solution for your requirements.
Our MM1018 is fully cured after 24 hours and has then reached its high compressive strength of 161 N/mm2. From then on, the fully filled joint can be fully loaded.
Based on the investigations regarding the low loss of preload force of only ~ 9% after 50 years and the investigation of the fatigue strength, in which the material withstands >10 million load cycles (the same number as in investigations for steel), it can be concluded that the full-surface connection is stable and very durable for decades. The low creep coefficient and shrinkage also allow this conclusion to be drawn.
But the practical experience is even more impressive: since 1993, when MM1018 was first used to install bearings on the Cologne South Bridge, the full-surface connection has been proven to still be in top condition, as it was on day one.
Our MM1018 has a general building authority approval that recommends the use of the gap compensation material up to a gap height of 10 mm. However, MM1018 – the liquid lining sheet – is also ideally suited for higher gap dimensions and has been used many times. Tests up to a height of 140 mm are convincing. A combination with conventional lining sheets is also possible in order to achieve the abZ recommendation of a gap height of 10 mm.
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