Dry Wall Blocks With Grooves For Tolerance Control
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Solution Overview
Problem
Dry wall constructions face challenges with tolerance stacking, where size fluctuations of elements lead to deviations in wall size, especially in precise applications like houses and offices, and the traditional method of skilled masonry is becoming less viable due to dwindling skilled labor and time-consuming mortar setting processes.
Innovation Solution
The method involves forming grooves on building blocks to precise dimensions, allowing accurate positioning and orientation, enabling the use of irregularly shaped blocks and reducing material consumption and processing time, while using joining blocks and anchors for stability and alignment, facilitating faster and more cost-effective construction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional mortar-based masonry is used, then skilled labor can adjust varying brick sizes, but construction time increases due to mortar setting time and skilled labor scarcity
Solution Approach 1:
The wall construction is segmented into standardized building blocks with precise dimensional tolerances, allowing factory production of components that maintain accuracy without requiring skilled on-site adjustment. Each block is a discrete unit with controlled dimensions, enabling rapid assembly while maintaining overall wall precision.
Solution Approach 2:
Dimensional precision and positioning features are prepared in advance during block manufacturing, including pre-formed grooves and surfaces with controlled tolerances. This preliminary preparation eliminates the need for on-site adjustment and allows rapid assembly without mortar setting time constraints.
2Manufacturing precision
If building blocks are milled or polished to size, then tolerance stacking is prevented, but material consumption increases and appearance becomes harsh
Solution Approach 1:
Instead of milling or polishing entire block surfaces, precision is applied locally only to the critical grooves and support surfaces that affect tolerance stacking. The majority of the block surface retains its natural, unprocessed appearance, reducing material removal while maintaining dimensional accuracy where needed.
Solution Approach 2:
Only the minimum necessary surfaces are processed to precision tolerances - specifically the groove boundaries and support surfaces - rather than entire block faces. This partial processing achieves the required precision while minimizing material consumption and preserving aesthetic appearance.
3Measurement precision
If grooves are formed in building blocks, then positioning accuracy improves, but device complexity increases
Solution Approach 1:
The grooves in the blocks are designed to self-align and self-position during assembly, with the groove geometry itself providing the positioning function. The support surfaces within grooves automatically establish correct block orientation and location without requiring additional positioning devices or complex adjustment mechanisms.
Solution Approach 2:
The grooves act as intermediary elements that facilitate precise positioning between blocks. Rather than requiring direct surface-to-surface contact with high precision, the grooves serve as mediating structures that guide and constrain block placement, simplifying the overall positioning system.
Data Source
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AI summary
A method of building a wall comprises stacking alternating layers of building blocks and joining blocks on to each other with the joining blocks being at least partly received in grooves of overlying and underlying building blocks such that in each vertical pair of a building block and a joining block received therein the respective support surfaces engage each other and support the respective higher block on the respective lower block. In each building block a second groove of the grooves is formed, in particular cut, into the respective side of the building block such that at least one of a position, shape and orientation of the support surface in the building block of said second groove is determined by at least one of a position, shape and orientation in the building block of the support surface of at least a first groove of the grooves.