Hollow core slabs are up to 40% lighter than solid slabs and require less concrete during construction. The hollow core slabs are usually laid unsupported and can be fully loaded immediately. No concreting on site is required.
The use of the circulation system for MOTUS hollow core slab marks a change from traditional and unsupported production. The process of continuous casting on long production beds, the inability to build in reinforcement and cross connectors or other embedded components (e.g. lifting anchors, tension steel or concrete recesses) right away - all this meant that hollow-core slabs were not accepted for building systems in difficult locations (e.g. earthquake zones). In addition, a significant amount of waste was created in the cutting process, which generated costs.
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