Stack road glass refers to special glass used for high-altitude landscape stack roads, usually composed of multi-layer laminated tempered glass to form a suspended transparent road surface, with high impact resistance and perspective effect.
1、 Its core structure includes:
• Substrate composition
(1) Tempered glass layer: single-layer thickness ≥ 8mm, surface pre stress enhances strength;
(2) Adhesive layer: filled with PVB resin film (1.52mm or more) in the middle to absorb impact force.
• Support system
(1) Concrete/steel structure frame anchoring rock mass, anchor rod embedded depth ≥ 1.3 meters;
(2) Stainless steel keel frame connects the glass with the main structure.
Typical configuration: 3 layers of tempered glass+2 layers of PVB film, with a total thickness of ≥ 38mm (such as Baishishan boardwalk).
2、 Core performance parameters
| Indicator | Standard value | Safety significance |
| Load bearing capacity | ≥ 1000kg/㎡ (measured up to 8 tons) | Can carry dense crowds of people |
| impact strength | Only crack under hammer impact | Accidental falling objects do not cause fragmentation |
| Anti slip coefficient | Surface frosted/anti slip coating treatment | Prevent falls in rainy and snowy weather |
| transmittance | ≥91% | Ensure clear viewing quality |
3、 Security protection mechanism
• Redundant design
(1) Double layer laminated structure: When a single layer breaks, PVB film adheres to fragments;
(2) Edge reinforcement: Stainless steel edging to prevent edge breakage.
• Dynamic monitoring
(1) Real time monitoring of structural deformation by load sensors;
(2) Automatically close the boardwalk when the wind speed exceeds 10m/s.
• Emergency measures
(1) Set up escape routes every 20 meters;
(2) Mountain stationed rescue team (response time<5 minutes).
Note: Self explosion rate ≤ 0.3% (can be reduced to 0.1% for ultra white glass).
4、 Scene adaptation and selection1. According to environmental requirements
| Scene | Recommended configuration |
| High cold mountainous areas (such as Zhangjiajie) | Heating anti fog layer+anti freezing adhesive film |
| Damp Canyon (such as Huangzang Valley) | Nano hydrophobic coating+high-frequency dehumidification system |
| Strong ultraviolet region | UV resistant coating (barrier rate ≥ 99%) |
2. Functional innovation
Immersive experience: 7D dynamic light and shadow glass (Jiushan Peak boardwalk, combined with sound and light effects);
Observation enhancement: Suspended platform (with an extension of 4.5 meters, such as Tianmen Mountain).
5、 Comparison of mainstream scenic spot technologies
| Scenic Area | Length of boardwalk | Glass thickness | Technical highlights | |
| Baishishan (Hebei) | 95m | 38mm | 1.5 meter deep rock anchoring | |
| Tianmen Mountain (Hunan) | 60m | 36mm | Double layer anti slip coating | |
| Jiushan Peak (Tianjin) | 320m | 40mm | Load bearing capacity of 8 tons/㎡+7D interactive | |
6、 Usage standards and maintenance
1. Taboo behavior
2. It is prohibited to walk in high heels/spiked shoes;
3. It is forbidden for hard objects to scratch the glass surface (scratches reduce strength);
4. Instantaneous carrying capacity ≤ 3 people/㎡.
• Maintenance requirements
1. Daily cleaning: neutral solvent+soft scraper to remove stains; Quarterly maintenance: Inspection of anchor rod tightness and sealant condition.
2. Selection suggestion: Priority should be given to anchoring systems and ultra white glass substrates with an embedded depth greater than 1.3 meters (lower self explosion rate), and the performance of hydrophobic coatings should be verified in humid areas (contact angle greater than 110 °).
Attachment: Latest Industry Standards
Safety testing: Conduct quarterly pressure tests in accordance with GB/T 38784-2020 for suspended floors, steps, walkways, and boardwalk glass;
Life expectancy standard: The Ministry of Housing and Urban Rural Development's 2025 new regulations require that the life expectancy of external window glass be ≥ 25 years, and the same applies to the glass on the walkway.
Plank road glass
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GLASS ENCYCLOPEDIA
Can frosted glass be cleaned with wet wipes?
→ Okay! Recommend using glass cleaner and fish scale cloth to avoid scratching the matte layer with hard objects.
How to choose between single-sided frosted and double-sided frosted?
→Single sided frosted (smooth surface facing inward) is easier to clean; Double sided frosted provides stronger privacy.
Will frosted glass reduce light transmittance?
→ It will decrease by about 20% -40%, and the ultra white glass substrate can reduce the loss of light transmission.
What are the common glass products in daily life?
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