Interlocking Concrete Block Retaining Wall System
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Solution Overview
Problem
Existing wet-cast retaining wall systems are expensive, difficult to produce, transport, and install, and lack flexibility in construction techniques due to the large size and weight of massive concrete blocks, which limits their practicality and efficiency.
Innovation Solution
A retaining wall system comprising interlocking concrete blocks with face blocks and trunk blocks, where face blocks are designed with integral leg portions that connect to trunk blocks, allowing for flexible assembly and alignment, and using connecting elements and alignment devices to secure and position the blocks, enabling easier construction and reduced weight through the use of wet-cast or dry-cast concrete.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If massive wet-cast concrete blocks are used in retaining wall systems, then freeze-thaw resistance and structural strength are improved, but production cost, transportation difficulty, and installation complexity increase significantly
Solution Approach 1:
The patent divides the retaining wall system into separate face blocks and trunk blocks that can be manufactured independently using different casting methods. Face blocks are wet-cast to achieve superior freeze-thaw resistance and aesthetic appearance, while trunk blocks are dry-cast for easier manufacturing and handling. This segmentation allows each component to be optimized for its specific function without the constraints of manufacturing massive monolithic blocks.
2Strength
If large-dimensional concrete blocks are produced, then structural integrity and wall stability are improved, but transportation and installation become much more difficult
Solution Approach 1:
The wall system is segmented into smaller face blocks and trunk blocks that can be easily transported and handled by standard construction equipment. These smaller units are then interconnected through integrated connection mechanisms including recesses, protrusions, and interlocking features that ensure proper alignment and structural integrity, eliminating the need to transport and install massive monolithic blocks.
Solution Approach 2:
The patent combines multiple functional features into the block designs: connection elements are integrated directly into the block structures, alignment features are built-in during manufacturing, and interlocking mechanisms are incorporated during the casting process. This merging of functions into modular units simplifies both transportation and installation while maintaining structural integrity.
3Reliability
If wet-cast blocks are used to achieve higher density and freeze-thaw resistance, then block quality is improved, but manufacturing flexibility and production speed are reduced
Solution Approach 1:
The patent segments the manufacturing process by applying different casting methods to different block types. Wet-casting is used for face blocks where high density and freeze-thaw resistance are critical for durability and appearance. Dry-casting is used for trunk blocks where structural function is prioritized and production speed is beneficial. This segmentation allows simultaneous production using optimized processes for each application.
Solution Approach 2:
Different quality levels are applied to different parts of the wall system based on their functional requirements. Face blocks, which are exposed to weather and provide aesthetic appearance, are manufactured with wet-casting to achieve superior density and freeze-thaw resistance. Trunk blocks, which are primarily structural and less exposed, are manufactured with dry-casting for faster production. This local quality approach optimizes both performance and productivity.
Data Source
AI summary
Disclosed herein are embodiments of a retaining wall system, as well as embodiments of blocks and other devices for use in a retaining wall system. In some embodiments, a retaining wall includes a plurality of face blocks and a plurality of trunk blocks arranged in a plurality of courses of blocks. In some embodiments, a face block can include a face portion and a pair of leg portions, and each of the leg portions can be adapted to be coupled to a trunk block. In some embodiments, various block connecting devices can be used to connect blocks in a single course of blocks and various block alignment devices can be used to align blocks in adjacent courses.