Profiled Rail Edge Reinforcement for Concrete Load Capacity
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Solution Overview
Problem
Existing profiled rail systems embedded in concrete bodies, particularly near edges, face limitations in withstanding transverse loads, as the concrete itself can break under such stress rather than the rail, leading to inadequate load-bearing capacity.
Innovation Solution
A profiled rail assembly that includes a reinforcing body extending beyond the rail body on the concrete surface, overlapping it to enhance load distribution, combined with tension elements and anchors for improved force absorption and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If profiled rail is embedded near the edge of concrete body, then installation flexibility and space utilization are improved, but load-bearing capacity under transverse loads deteriorates due to concrete breaking
Solution Approach 1:
The reinforcing system is segmented into multiple components: the profiled rail body embedded in concrete, tension elements extending from the rail, and a separate reinforcing body that overlaps with the rail. This segmentation allows each component to perform its specific function - the rail provides mounting functionality, tension elements transfer loads, and the reinforcing body prevents concrete breaking, collectively solving the contradiction between installation flexibility and load-bearing capacity.
Solution Approach 2:
The invention creates a composite reinforcement system combining the profiled rail (metal profile), tension elements (metal rods or cables), and reinforcing body (metal structure) working together as an integrated composite system. This composite structure distributes transverse loads across multiple components, preventing concrete failure while maintaining the rail's functionality near edges, thus resolving the strength limitation.
2Strength
If additional transverse anchors are added to anchor rail, then load-bearing capacity is improved, but device complexity increases
Solution Approach 1:
The invention merges multiple reinforcement functions into a single integrated reinforcing body that combines transverse anchoring, longitudinal support, and concrete reinforcement into one component. This consolidates what would otherwise require multiple separate anchors and reinforcement elements, improving load-bearing capacity while minimizing the increase in device complexity.
Solution Approach 2:
The reinforcing body serves multiple functions simultaneously: it acts as a transverse anchor to prevent rail movement, provides longitudinal reinforcement along the rail, and strengthens the concrete body near the edge. This multi-functionality achieves enhanced load-bearing capacity without proportionally increasing structural complexity, as one component performs multiple reinforcement tasks.
3Reliability
If reinforcing body extends to surface and overlaps rail body, then reinforcement effectiveness is improved, but manufacturing complexity increases
Solution Approach 1:
The reinforcing body is designed to be positioned and fixed to the formwork before concrete casting, with its contact surface prepared in advance. This preliminary positioning ensures optimal overlap with the future rail location and proper extension to the concrete surface, maximizing reinforcement effectiveness. The pre-prepared state simplifies the overall manufacturing process by eliminating complex post-casting adjustments.
Solution Approach 2:
The formwork serves as an intermediary element that facilitates the connection between the reinforcing body and the final concrete structure. By fixing the reinforcing body to the formwork during casting, the system achieves proper positioning and integration without requiring complex manufacturing processes. The formwork mediates the relationship between the temporary reinforcing body and the permanent concrete structure, simplifying the overall manufacturing approach.
Data Source
AI summary
A profiled rail assembly for casting into concrete. The profiled rail assembly includes a profiled rail including a rail body having a rail slot extending in the direction of a longitudinal axis of the profiled rail, and a reinforcing body including a head element and at least one tension element protruding from the head element, the head element opposite the at least one tension element having a head element major face defining a contact surface for a formwork element. The at least one tension element is connected to the profiled rail.