Reinforcing Plaster with Round-Grain Granules for Fabric Embedding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing thermal insulation composite systems face challenges in ensuring precise embedding of reinforcing fabric within the plaster layer to meet building authority regulations, leading to potential complaints and inefficiencies in application and insulation performance.
Innovation Solution
The use of round-grain granules with a specific diameter distribution supports the reinforcement fabric, preventing deep penetration and maintaining its position in the outer third of the plaster layer, while the granules also act as rolling bodies for easy application and even surface buildup, reducing binder consumption and enhancing mechanical strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual application method is used to apply reinforcing plaster, then application flexibility is maintained, but embedding depth precision of reinforcement fabric deteriorates
Solution Approach 1:
Round-grain granules serve as intermediary elements between the plaster matrix and reinforcement fabric. These granules with diameter of 0.5-2.0mm create physical contact points that prevent the fabric from sinking too deeply into the plaster, thereby maintaining the required embedding depth in the outer third of the plaster layer while allowing manual application to proceed without requiring high precision
Solution Approach 2:
The invention changes the physical parameters of the plaster by incorporating round-grain granules with specific size distribution (0.5-2.0mm diameter). This parameter change creates a textured interface that mechanically controls the embedding depth of the reinforcement fabric, transforming the problem from one requiring precise manual control to one governed by the geometric parameters of the granules
2Strength
If reinforcement fabric is pressed deeply into plaster for secure embedding, then bonding strength improves, but compliance with building authority regulations deteriorates
Solution Approach 1:
The round-grain granules act as spacers that mediate between the reinforcement fabric and the plaster matrix. They provide sufficient contact area for bonding strength while physically limiting the maximum embedding depth to comply with regulations requiring the fabric to remain in the outer third of the plaster layer
Solution Approach 2:
The granules create local contact points distributed throughout the plaster layer. These localized contact zones provide sufficient bonding area for structural strength while the overall distribution pattern ensures the fabric remains at the required depth, satisfying both strength and regulation requirements simultaneously
3Reliability
If plaster layer thickness is increased to ensure proper embedding, then reinforcement stability improves, but binder consumption increases
Solution Approach 1:
By changing the plaster composition to include round-grain granules with optimized size distribution, the invention achieves reliable reinforcement embedding at reduced plaster thickness. The granules provide mechanical interlocking and spacing functions that would otherwise require greater plaster depth, thereby reducing binder consumption while maintaining reinforcement stability
4Temperature
If fine grain size distribution is used in lightweight aggregate, then thermal insulation properties improve, but structural support capability deteriorates
Solution Approach 1:
The invention segments the aggregate into round-grain granules with a controlled size distribution (0.5-2.0mm). This segmentation creates a hierarchy where smaller granules provide thermal insulation through air pockets, while larger granules provide structural support and spacing functions. The segmented structure achieves both thermal insulation and structural support capabilities simultaneously
Solution Approach 2:
The plaster system becomes a composite material combining binder, round-grain granules, and reinforcement fabric. The round-grain granules serve dual functions: their fine structure provides thermal insulation while their rigid geometry provides structural support and embedding depth control. This composite approach resolves the contradiction between thermal insulation and structural support
Data Source
AI summary
The invention relates to a reinforcing plaster of a heat-insulating composite system, comprising . - a binder (3), . - a reinforcing fabric (9) which is embedded into the binder (3) at a defined depth (T) relative to the target plaster thickness (P), and . - a lightweight aggregate grain which is distributed in the binder (3), wherein . - the lightweight aggregate grain is present as a round grain granulate (4) with a diameter distribution between a minimum value (d) and a maximum value (D) that corresponds to approximately 60% to 80% of the target plaster thickness (P). The reinforcing fabric (9) is supported on the outside of the granulate bodies (5) of the round grain granulate (4).