Flush Anchor Bolt Fastener Assembly for Concrete Slurry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing anchor bolt systems protrude above the concrete slurry surface during installation, complicating finishing processes and requiring cumbersome lifting of construction elements during attachment.
Innovation Solution
An improved anchor bolt fastener assembly with a float design that allows the anchor bolt to be embedded flush with the concrete slurry, featuring a threaded bore, inner receiving chamber, and outer slurry contact surface, enabling flush installation and simplified attachment of construction elements using specialized fastener studs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If anchor bolts protrude above the concrete slurry surface during installation, then the threaded portion is accessible for attaching construction elements, but the surface finishing process becomes complicated and automatic surface finishing machines cannot operate effectively
Solution Approach 1:
The anchor bolt is divided into two distinct portions: a submerged threaded portion for secure attachment and a protruding unthreaded portion for accessibility. This segmentation allows each portion to serve its specific function optimally - the threaded portion remains accessible while the protruding portion is minimal and does not interfere with surface finishing operations
Solution Approach 2:
The unthreaded portion of the anchor bolt acts as an intermediary element between the submerged threaded portion and the concrete surface. It provides a transition zone that allows the threaded portion to be accessible for attachment while maintaining a profile that does not significantly complicate the surface finishing process
2Ease of operation
If anchor bolts protrude above the concrete slurry surface, then the threaded portion can be used for fastening, but construction elements must be lifted over the protruding bolts during installation
Solution Approach 1:
By segmenting the anchor bolt into threaded and unthreaded portions with specific length ratios, the threaded portion can be optimized for fastening while the unthreaded portion minimizes the lifting obstacle, thereby improving installation efficiency without sacrificing fastening capability
Solution Approach 2:
The lengths of the threaded and unthreaded portions are specific parameters that can be adjusted to optimize both fastening capability and installation efficiency. By changing these dimensional parameters, the system achieves a balance where fastening is effective but the lifting requirement is minimized
3Ease of manufacture
If anchor bolts are embedded flush with the concrete slurry surface, then surface finishing becomes easy and automatic machines can operate effectively, but the threaded portion becomes less accessible for attaching construction elements
Solution Approach 1:
The anchor bolt is segmented into a submerged threaded portion and a protruding unthreaded portion, where the threaded portion is embedded flush with or below the surface for easy finishing, while the unthreaded portion protrudes to provide the necessary accessibility for attaching construction elements
Solution Approach 2:
The solution moves the threaded portion to another dimension - submerged below the surface level - while maintaining accessibility through the protruding unthreaded portion. This dimensional arrangement allows surface finishing to occur at the surface level without interfering with the threaded portion located at a different vertical dimension
4Reliability
If the threaded portion of anchor bolts is submerged deep below the slurry surface, then the anchor bolt is securely embedded, but finishing the slurry surface becomes difficult and costly
Solution Approach 1:
The anchor bolt is segmented into a submerged threaded portion for secure embedding and a protruding unthreaded portion for surface accessibility. This segmentation allows the threaded portion to be embedded at the optimal depth for security while the unthreaded portion emerges to facilitate easy and cost-effective surface finishing
Solution Approach 2:
Different portions of the anchor bolt have different local qualities - the threaded portion is optimized for embedding security with appropriate length and thread characteristics, while the unthreaded portion is optimized for surface accessibility with smooth contours that do not interfere with surface finishing operations
Data Source
AI summary
An anchor bolt fastener assembly with specialized connection capabilities and features for attaching building components to concrete slabs, walls, ceilings, and/or structural surfaces. Compression force can be established and maintained over time using a compression washer in combination with a specialized fastener stud that is designed to exploit the compression washer benefits. Methods of using exemplary embodiments include installing the anchor bolt fastener assembly relatively flush with the surface of the concrete slurry by direct insertion in the slurry using a specialized threaded anchor bolt float. Once the slurry hardens, the anchor bolt and anchor bolt float embedded in the concrete slurry cooperate with the specialized fastener stud to secure the building component to the concrete.