Precast Concrete Block with Integrated Recesses for Retaining Wall Handling
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Solution Overview
Problem
Existing retaining wall construction methods using stone riprap are inefficient, requiring heavy machinery, causing road disturbances, safety risks, and increased costs due to the need for multiple operators and complex handling of irregular blocks.
Innovation Solution
A concrete structure comprising parallelepipedic blocks with recesses and inlets allows for secure handling and stacking, facilitated by anchoring devices, enabling efficient construction and reduced traffic disruption by allowing single-operator placement and stabilization, and optimized transportation using lifting carts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If stone riprap blocks are used for retaining wall construction, then environmental impact is reduced and landscape integration is improved, but heavy machinery is required and road disturbances are caused
Solution Approach 1:
The retaining wall is divided into modular precast concrete blocks with standardized dimensions and integrated handling features. Each block is segmented into manageable units that can be individually manufactured, transported, and installed, eliminating the need for heavy machinery while maintaining structural integrity and environmental benefits.
2Shape
If irregular stone blocks are used, then natural appearance is achieved, but multiple operators are needed for alignment and stabilization, increasing safety risks
Solution Approach 1:
The concrete blocks incorporate localized features including recesses and protrusions at specific locations for interlocking and alignment, integrated lifting points for easy handling, and drainage channels positioned to maintain natural water flow. These localized quality enhancements provide both natural appearance and operational simplicity.
Solution Approach 2:
The blocks are designed with self-aligning features where recesses and protrusions automatically guide proper positioning during installation. The integrated lifting points enable single-operator handling without requiring additional personnel for alignment and stabilization, reducing safety risks while maintaining natural aesthetic appearance.
3Productivity
If pre-fabricated retaining wall blocks are used, then construction speed is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The precast concrete blocks are designed as universal units that perform multiple functions: structural support, interlocking for wall assembly, integrated drainage through recesses, and built-in lifting points for handling. This multi-functionality reduces the variety of different block types needed, simplifying manufacturing while maintaining fast construction speed.
Data Source
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AI summary
Concrete structure comprising at least one parallelepipedic concrete block (1) that includes two opposing bases (1a, 1b), two first opposing lateral faces (1c, 1d) and two second opposing lateral faces (1e, 1f). The structure characterised in that one of the bases and one of the first lateral faces, contiguous to said base, includes at least two parallel recesses (2, 3) comprising first sections included in the respective base and second sections included in the respective first lateral face. The sections of the recesses (2, 3) come together coinciding with a common edge of the block (1) in which the base and the first lateral face which include said recesses (2, 3) merge. The block (1) includes inlets (4, 5) located in end areas of the first lateral face which is opposed to the first lateral face that includes the second sections of the recesses (2, 3). This facilitates its handling and the joining between blocks (1).