HALFEN Cast-In Channel is the most forward-thinking and safe technique for fastening elements to concrete structures in tunnels.
Fully embedded in concrete, HALFEN Cast-In Channels provide permanently flexible anchoring lines in the concrete components. Adjustable and less dependent on the skill of the installer, they allow for simple compensation of construction tolerances and fast, predictable installation programs.
In particular in construction projects adopting precast technology like in tunnels with precast concrete lining (TBM), the application of Cast-In Channels offers great advantages. All the installation works are being done with high precision and under permanent control at the precast factory. This not only improves productivity and quality but also shortens construction time. There is no need for time-consuming & unhealthy dust-generating drilling on-site anymore. Safety issues related to the incorrect installation of post-installed anchors as well as health issues due to drilling operation can be eliminated and the risk of water leakage (water leakage is the main concern for most tunnels, particularly in Singapore) through possibly resulting cracks can be reduced!
The use of high-quality HALFEN Cast-In Channels has a thoroughly positive impact on the planning process, construction efficiency, and life-cycle cost. As fixtures can be enormously fast and adjustably mounted onto the Cast-In Channels during the initial tunnel fit-out phase and likewise throughout the entire operational phase, this forward-thinking fastening concept offers the highest degree of flexibility, allowing trouble-free modifications and refurbishments in the future.
Given the growing significance of safety, construction time, durability, and life-cycle cost, Cast-In Channels have become more and more preferred as alternatives to traditional methods.
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