Floor Slab Structural Module with Perpendicular Bearing Elements
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Solution Overview
Problem
Conventional prefabricated self-supporting floor slabs with apertures face issues such as visible support elements, uneven construction, heat transmittance problems, limited aperture size flexibility, and labor-intensive installation processes due to the use of saddle-shaped metal slab supports.
Innovation Solution
A structural module for floor slabs featuring concrete slabs with protruding bearing elements that can be connected to supports positioned perpendicular to the laying direction, allowing for flexible aperture creation without visible supports, improved heat resistance, and reduced construction time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If saddle-shaped metal slab supports are used to support sectioned slabs at aperture locations, then the slabs can be supported at the aperture points, but the support elements become visible from inside the building and create aesthetic limitations
Solution Approach 1:
The invention extracts the support function from visible metal saddle elements and transfers it to the slab itself through recesses and bearing elements. The support capability is removed from the ceiling-visible portion and embedded into the slab structure, making the support mechanism invisible from inside the building while maintaining structural support at aperture locations.
Solution Approach 2:
The invention applies local quality by creating recesses only at the specific locations where support is needed (aperture points) rather than using universal visible support elements across the entire ceiling. The bearing elements are locally embedded in the slab at these specific points, providing support only where required while keeping the rest of the ceiling surface uniform and aesthetic.
2Reliability
If saddle-shaped metal slab supports are used to support sectioned slabs, then the slabs can be supported at aperture points, but heat transmittance increases and corrosion resistance decreases
Solution Approach 1:
The invention changes the material parameter from metal (high thermal conductivity, susceptible to corrosion) to concrete (low thermal conductivity, corrosion-resistant). By embedding bearing elements made of concrete or similar materials into the slab, the support structure achieves the same mechanical function while dramatically reducing heat transmittance and eliminating corrosion risks at the support points.
3Reliability
If predetermined-sized slab support elements are used, then the slabs can be supported at aperture points, but the aperture size flexibility is limited
Solution Approach 1:
The invention introduces dynamics by making the aperture size adaptable rather than fixed. The recess dimensions can be varied to accommodate different aperture sizes, and the bearing elements can be positioned at different locations along the slab. This allows the same structural approach to support slabs with apertures of various dimensions, providing flexibility in architectural design while maintaining structural integrity.
4Reliability
If conventional slab support elements are used to create apertures in floor slabs, then the slabs can be supported at aperture points, but the construction process becomes laborious, long and complex
Solution Approach 1:
The invention applies preliminary action by pre-forming the recesses and embedding the bearing elements into the slab during the slab manufacturing process itself. This preliminary preparation eliminates the need for complex on-site assembly operations, as the support structure is already integrated into the slab before installation. The slab arrives at the construction site ready-to-install with its support elements in place, significantly reducing construction time and complexity.
Data Source
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Figure 3
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AI summary
Structural module for a floor slab, comprising at least one slab (17) made of concrete or suchlike, positionable in a first laying direction (P), configured to form part of a ceiling (36). The slab (17) is provided with bearing elements (21) at least partly protruding from its surface and able to be engaged, by means of suitable connection means (27, 30, 33), with one or more supports (18). The supports (18) are provided with support parts (19) protruding from the slab (17) in a second direction (T), different from the first laying direction (P).