PFRP Structural Frame Assembly for Lightweight Code-Compliant Buildings
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Solution Overview
Problem
Traditional building materials face challenges such as high weight, susceptibility to corrosion, rot, and insect damage, as well as limitations in fire protection, seismic resistance, and compliance with varying building codes, which hinder the adoption of new building materials.
Innovation Solution
The use of Pultruded Fiberglass Reinforced Polymer (PFRP) materials for composite building systems, which offer lightweight, corrosion-resistant, and durable solutions for structural components such as walls, floors, and roofs, while also providing ballistic and seismic protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional building materials (steel, concrete, wood) are used, then structural strength and stability are achieved, but weight is excessive and susceptibility to corrosion, rot, and insect damage occurs
Solution Approach 1:
The patent employs Pultruded Fiberglass Reinforced Polymer (PFRP) composite materials that combine glass fibers with polymer resin matrices. This composite structure provides superior resistance to corrosion, rot, and insect damage while maintaining lightweight properties, directly resolving the contradiction between reliability and weight.
2Weight of stationary object
If new building materials like PFRP are adopted, then weight is reduced and durability is enhanced, but compliance with fire protection standards and building codes becomes challenging
Solution Approach 1:
The patent modifies the chemical and physical parameters of the PFRP material by incorporating fire-retardant additives and adjusting the polymer resin composition. These parameter changes enable the material to meet fire protection standards while preserving its lightweight and durable characteristics.
3Reliability
If traditional building materials are used, then fire protection standards can be met, but seismic resistance and adaptability to varying building codes are limited
Solution Approach 1:
The patent designs PFRP building systems with multi-functional capabilities that simultaneously provide fire protection, seismic resistance, and adaptability to various building codes. The composite material system can be engineered to meet multiple performance criteria across different geographical locations and code requirements.
4Strength
If heavy traditional materials are used, then structural strength is achieved, but transportation costs and installation complexity increase
Solution Approach 1:
The patent utilizes PFRP composite materials that provide high structural strength-to-weight ratio. The pultrusion manufacturing process creates strong, consistent profiles that are easier to transport and install compared to traditional heavy materials, while maintaining required structural strength through optimized fiber orientation and composite formulation.
5Productivity
If new building materials are adopted, then installation time and labor costs are reduced, but certification and engineering validation become more difficult
Solution Approach 1:
The patent implements a comprehensive engineering validation and certification process in advance of widespread adoption. Testing, analysis, and documentation are performed preliminarily to establish code compliance and structural performance, enabling faster installation without compromising certification requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
PFRP materials significantly reduce weight, labor, and construction costs, while enhancing durability and safety, and can be designed to meet specific performance criteria, including impact resistance and energy efficiency.
Implementation Method 1
The process involves pulling these raw materials (rather than pushing, as is the case in extrusion) through a heated steel forming die using a continuous pulling device
Implementation Method 2
PFRP can resist impact damage from winds in excess of 250 miles per hour, and deteriorates slowly compared to traditional building materials
Implementation Method 3
PFRPs have low thermal conductivity, are electrically non-conductive (making the material an excellent insulator)
Implementation Method 4
This technique removes all air/gasses from the product, allowing for a much stronger and safer product compared with other materials
Data Source
AI summary
A pultrusion fiber reinforced polymer (PFRP) structural frame assembly comprises a plurality of PFRP vertical columns, comprising at least one PFRP I-beam vertical column or PFRP wide flange vertical column; a plurality of PFRP horizontal beams, comprising at least one PFRP I-beam horizontal beam or PFRP wide flange horizontal beam; and at least one PFRP clip angle bracket configured to connect the at least one PFRP I-beam vertical column or PFRP wide flange vertical column to the at least one PFRP I-beam horizontal beam or PFRP wide flange horizontal beam.