Mold Insert Member with Arched Walls for Retaining Wall Block Malformation
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Solution Overview
Problem
Interlocking concrete retaining wall blocks often experience malformation during manufacturing, such as slumping and bulging, due to pressure and weight distribution issues, leading to structural instability and aesthetic problems when stacked.
Innovation Solution
The use of a mold insert member with convexly-arched front and rear wall portions that form concavely-arched surfaces on the blocks, which resist and channel malformations, ensuring they remain within the block's envelope and do not interfere with stacking or interlocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional mold designs are used for manufacturing interlocking concrete blocks, then production efficiency is maintained, but malformation such as slumping and bulging occurs during manufacturing
Solution Approach 1:
The patent applies curvature by incorporating convexly-arched wall portions in the mold insert member that form concavely-arched surfaces on the blocks. This curvature design actively resists and channels malformations during manufacturing, preventing slumping and bulging while maintaining production efficiency. The arched geometry distributes pressure more evenly across the concrete block during curing.
2Stability of the object's composition
If no malformation resistance features are added to the mold, then mold complexity remains low, but block structural stability deteriorates due to slumping and bulging
Solution Approach 1:
The patent applies local quality by adding convexly-arched wall portions specifically at critical locations in the mold insert member where malformations tend to occur. These localized arched features provide targeted resistance against slumping and bulging without requiring complete redesign of the entire mold structure, thus improving block stability while limiting increased complexity.
Solution Approach 2:
The convexly-arched wall portions in the mold insert member provide preliminary anti-action by preemptively resisting malformations during the manufacturing process. The arched geometry is designed to counteract slumping and bulging forces before they can significantly affect the block structure, ensuring structural stability is maintained from the outset.
3Reliability
If malformations are allowed to occur, then manufacturing process simplicity is maintained, but aesthetic appeal and interlocking functionality are compromised
Solution Approach 1:
The patent uses local quality by implementing convexly-arched wall portions at specific locations in the mold insert member where interlocking features are present. This localized approach ensures that malformations are resisted precisely where they would compromise interlocking functionality, while avoiding unnecessary complexity in other areas of the mold design.
Data Source
AI summary
Provided herein are various embodiments of molds, mold insert members, and methods, for mitigating malformation of interlocking retaining wall blocks, and retaining wall blocks produced thereby. In an embodiment, an insert member for a retaining wall block mold includes a convexly-arched front wall portion and a convexly-arched rear wall portion, for forming respective concavely-arched top side and bottom side portions of respective concrete retaining wall blocks. The concavely-arched portions resist malformation such as bulge and/or slump that may tend to occur between molding and curing of the concrete retaining wall blocks due to pressure within the block. The concavely-arched portions additionally provide respective concavities into which such malformations—should they occur despite being resisted by the concavely-arched portions—may be channeled, thereby to keep malformations within the intended envelope of the retaining wall block.