Spline Connector System for High Containment Panel Joints
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Solution Overview
Problem
High containment laboratory wall and ceiling panel systems face challenges in maintaining a gas-tight, air-tight, and water-tight environment due to susceptibility to disruptions from building movements, pressure changes, and seismic activities, particularly in the bonding between spline elements and panel edges.
Innovation Solution
A wall and ceiling panel system using homogeneous fiberglass reinforced resin core panels with a spline connector system featuring wedge-shaped flange elements and transverse channels for enhanced bonding, along with longitudinal grooves for sealing agents, to create a strong and impermeable joint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional bonding methods are used between spline elements and panel edges, then installation is simple, but bond strength is insufficient under building movements and pressure changes
Solution Approach 1:
The spline element incorporates transverse channels that create porous pathways for sealing agent penetration. These channels allow the bonding compound to infiltrate deeply into the spline structure, creating extensive bonding surfaces that significantly enhance bond strength between the spline and panel edges while maintaining a relatively simple overall joint structure.
Solution Approach 2:
The invention adds a dimensional aspect to the bonding interface by creating longitudinal grooves and transverse channels that transform a simple surface bond into a multi-dimensional bonding network. This allows sealing agent to penetrate through thickness and width dimensions, creating interlocking bonds that resist shear and tensile forces from building movements and pressure changes.
2Manufacturing precision
If spline elements are inserted tightly into panel edges, then alignment is improved, but sealing integrity is compromised due to insufficient bonding
Solution Approach 1:
The spline element is pre-configured with transverse channels and longitudinal grooves before installation. This preliminary structuring ensures that when sealing agent is applied during installation, it automatically follows the predetermined pathways into the spline, ensuring both tight insertion for alignment and sufficient bonding for sealing integrity without requiring additional steps.
Solution Approach 2:
The transverse channels create a porous structure within the spline that allows sealing agent to penetrate and bond while the spline maintains its rigid shape for precise alignment. The porous channels provide bonding volume without compromising the structural integrity or alignment capability of the spline element.
3Productivity
If simple spline insertion is used, then installation is quick, but joint impermeability is insufficient against water and moisture
Solution Approach 1:
The spline element comes pre-formed with transverse channels and longitudinal grooves that create a bonding network ready for sealing agent application. This preliminary preparation allows installers to quickly achieve impermeable joints by simply applying sealant, without requiring complex preparation steps, thus maintaining high installation speed while ensuring water and moisture resistance.
Solution Approach 2:
The porous channel structure provides pathways for sealing agent to penetrate and create bonds that block water and moisture penetration. The channels allow the sealant to distributed throughout the joint structure, creating multiple bonding zones that collectively prevent harmful fluid infiltration while maintaining installation efficiency.
Data Source
AI summary
A wall panel and spline joining system and method for use in barrier designs used in high containment facilities. A system for joining the panels includes a spline connector designed to ensure planar alignment of the panel surfaces. Panel edges are provided with kerf grooves for receiving the spline connector. A sealing agent is placed within the kerf for bonding the spline connector to the panel. The spline connector is configured with flange elements having channels which permit the sealing agent to be distributed in and through the channels to enhance the bonding between the spline and the panels.