Temporary Fire Door Structure With Wall-Sealing Flanges
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Solution Overview
Problem
Existing temporary barriers for safety or security in building construction are often lightweight and perforated, making them ineffective as fire barriers and difficult to transport and assemble, especially in locations requiring multiple flights of stairs.
Innovation Solution
A modular, frameless temporary fire door structure comprising a door and panels that can be easily assembled and secured to a wall, using intumescent sealant and flanges for fire resistance, allowing for customizable sizes and secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If lightweight perforated panels are used for temporary barriers, then ease of transport and assembly is improved, but fire resistance is worsened
Solution Approach 1:
The temporary barrier is divided into multiple modular panels that can be easily transported and assembled individually, yet when combined form a complete fire-resistant structure. Each panel is a separate unit that can be carried by one person, but together they create a barrier meeting fire safety standards.
Solution Approach 2:
The panels utilize composite construction combining steel framing with fire-resistant core materials (such as mineral wool or cementitious boards). This composite structure provides both the structural integrity needed for fire resistance and the manageable weight for easy transport, eliminating the trade-off between lightweight design and fire safety.
2Reliability
If solid non-perforated panels are used for fire resistance, then fire resistance is improved, but weight and difficulty of transport are worsened
Solution Approach 1:
Instead of using large solid panels that are difficult to transport, the fire-resistant barrier is segmented into smaller modular panels. Each panel maintains fire-resistant properties through its core material and construction, while the reduced size and optimized weight make them easy to carry and assemble by individual workers.
Solution Approach 2:
The panels are designed with different properties in different regions: the core material provides fire resistance, the framing provides structural support, and the overall panel dimensions are optimized for handling. This local optimization allows each part of the panel to serve its specific function while maintaining overall fire resistance without excessive weight.
3Ease of operation
If modular panels are used for easy assembly, then ease of operation is improved, but structural integrity for fire rating is worsened
Solution Approach 1:
The modular panels are designed to connect through integrated framing systems that merge the individual panels into a unified structural assembly. The connections between panels are engineered to maintain the continuity of the fire-resistant barrier, ensuring that the assembled structure achieves the required fire rating while retaining modular assembly benefits.
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
The structure provides a portable, reusable, and sustainable fire-rated barrier that meets fire safety standards, facilitating easy assembly and secure attachment to various openings, enhancing safety and security without the limitations of traditional lightweight barriers.
Implementation Method 1
a flange on both sides and above which is configured to lie against a wall to be attached thereto to form a fire seal
Implementation Method 2
applying intumescent sealant to the flange of the door structure or to the wall
Data Source
Figure 1~2
Figure 3
Figure 4~6
AI summary
The invention provides a temporary fire door structure 10 comprising a door 12 and a plurality of panels 16, 18, 20 on both sides and above the door 12, the door 12 being openable to allow a person to pass through, the structure including a flange 250, 251, 270, 280 on both sides and above, the flange 250, 251, 270, 280 being configured to lie against a wall to be attached thereto to form a fire seal.