What factors affect the safety of glass curtain walls?
2024-07-09 Back
Here are some factors that affect the safety of glass curtain walls:
1. Material quality
1. Glass quality
The strength, toughness and weather resistance of glass are directly related to its stability under various environmental conditions. For example, low-quality glass may be more likely to break when the temperature changes.
The self-explosion rate of glass is also an important indicator. Self-exploding glass may pose a danger to personnel and the area below.
2. Frame material
The material and strength of the metal frame. If inferior or insufficiently strong metal is used, the frame may be deformed, thereby affecting the structural stability of the entire curtain wall.
The frame has poor anti-corrosion performance and is prone to rust and corrosion in a humid environment, weakening its bearing capacity.
2. Construction quality
1. Installation accuracy
Whether the glass and frame are accurately aligned and whether the tightness of the connectors meets the requirements. If the installation is improper, it may cause uneven local force and increase the risk of cracking or falling off.
The construction quality of the sealant. Poor sealing may cause rainwater to penetrate and affect the internal structure.
2. Welding and anchoring
Whether the welding points of the frame are firm, and whether the position and number of anchoring points are sufficient. Insecure welding and anchoring may cause the curtain wall to loosen under wind loads and other effects.
III. Design rationality
1. Structural calculation
Inaccurate calculation of natural forces such as wind loads and earthquakes during design may cause the curtain wall structure to be unable to withstand actual external forces.
The impact of factors such as temperature changes and building deformation on the curtain wall is not fully considered.
2. Grid size
If the grid of the glass is too large or too small, it may affect its force performance and stability.
IV. Use and maintenance
1. Improper use
The user forcibly opens or closes the window sash beyond its normal use range.
Randomly posting heavy objects on the curtain wall or performing other destructive behaviors.
2. Lack of maintenance
Long-term lack of cleaning, inspection and maintenance leads to problems such as dirt accumulation, loose connectors, and aging of sealants.
3. Environmental factors
Natural disasters such as strong winds, heavy rains, and earthquakes may cause direct damage to glass curtain walls.
Pollution and chemical erosion in the surrounding environment will also affect the performance of curtain wall materials.
V. Impact of surrounding construction
1. Nearby construction
The vibration generated may affect the structural stability of the glass curtain wall.
Objects falling during construction may hit the curtain wall.
2. Renovation and expansion of the building itself
Changes to the original structure may affect the stress of the curtain wall.
The safety of the glass curtain wall is affected by a combination of factors such as materials, construction, design, use and maintenance, and the surrounding environment.