Construction de rampes en caoutchouc EPDM pour fauteuils roulants pour personnes handicapées
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À l’heure où la société se préoccupe de plus en plus du confort de déplacement des personnes handicapées, la construction de rampes d’accès pour fauteuils roulants pour personnes handicapées est d’une importance vitale.
EPDM granules have become a popular material for ramp paving due to their excellent anti-slip, wear-resistant and elastic properties. However, to ensure that the ramp can serve people with disabilities safely and efficiently, there are many key points that need special attention when laying EPDM granules.
Material selection is the basis
Quality identification
High-quality EPDM granules are the first step to ensure the quality of the ramp. When choosing, carefully observe the appearance of the granules. Real EPDM granules have uniform color, consistent particle size, and no obvious impurities. If the granules are dull in color, of different sizes, and even impurities such as dust and debris can be seen, it is likely that the product is of poor quality. For example, some low-priced granules on the market seem to be low-cost, but they are easy to wear and fade in subsequent use, affecting the normal use and appearance of the ramp.
Environmental considerations
Ramps for wheelchairs for the disabled are mostly set up in public places, and environmental protection cannot be ignored. Environmentally friendly EPDM particles that meet national standards must be selected. The addition of harmful substances is strictly controlled during the production process of such particles, and there is no pungent smell. After paving, it will not cause harm to the surrounding environment and the health of disabled people. If non-environmentally friendly particles are used, not only will the smell be unpleasant, but long-term contact may also cause respiratory diseases and other problems.
The base layer must be properly treated
Cleaning work
Before laying EPDM particles, the cleaning of the ramp base layer is crucial. Dust, oil, and debris on the surface of the base layer must be thoroughly removed. Brooms, vacuum cleaners and other tools can be used for cleaning. For stubborn stains such as oil, professional cleaning agents are required. If the base layer is not clean, the bonding force between the EPDM particles and the base layer will be greatly reduced, causing the particles to fall off easily, affecting the service life of the ramp.
Flatness inspection
The ramp base layer should be kept flat, and the flatness error should be controlled within the specified range. Levels and other tools can be used for measurement. For uneven areas, cement mortar and other materials need to be used for leveling. If the base is not flat, the wheelchair will bump during driving, increasing the difficulty and danger of disabled people’s travel.
Construction process needs to be standardized
Glue ratio
The ratio of EPDM particles to glue directly affects the paving effect. Generally speaking, the manufacturer will provide clear ratio instructions, and the construction personnel must strictly mix the glue according to the ratio. Too much glue will make the ramp too sticky and easy to be contaminated with dust and debris; too little glue will make the bonding between the particles not strong and easy to loosen. For example, if the glue ratio is not appropriate, after the ramp has been used for a period of time, the particles may fall off and sand may appear.
Laying thickness control
The EPDM particle laying thickness of the special ramp for wheelchairs for the disabled should be determined according to the actual use needs, and it is generally recommended to be between 10-15 mm. If the thickness is too thin, the anti-slip, elasticity and other properties of the ramp will be affected; if the thickness is too thick, it will not only waste materials, but also cause the surface of the ramp to be uneven. During the construction process, tools such as scrapers can be used to control the laying thickness to ensure that the thickness of each part of the ramp is uniform.
Compaction and curing
After paving, the EPDM particles should be compacted so that the particles and glue are fully combined to form a tight whole. Professional compaction equipment can be used to operate to ensure that the compaction degree meets the specified standards. At the same time, attention should be paid to the curing time. During the curing period, people and vehicles should be avoided from passing on the ramp to avoid affecting the curing effect. If the curing time is insufficient or the compaction is not sufficient, the strength and stability of the ramp will not be guaranteed.
Safety and maintenance
Anti-slip performance test
After the ramp is paved, an anti-slip performance test must be carried out. Professional anti-slip testing instruments can be used to test in accordance with relevant standards. Only ramps with anti-slip performance that meets the requirements can ensure the safety of disabled people during wheelchair travel. If the anti-slip performance does not meet the standards, the wheelchair is very easy to slip in bad weather conditions such as wet and icy, causing safety accidents.
Daily maintenance points
Daily maintenance is essential to extend the service life of the ramp. The ramp should be cleaned regularly to remove dust and debris on the surface. For worn and damaged parts, repair them in time. At the same time, avoid placing sharp objects on the ramp to prevent scratches on the surface of the EPDM particles. For example, if a small area of particles are found to fall off on the ramp, they should be repaired with glue and particles in time to prevent the damage area from expanding.
The construction of a special ramp for wheelchairs for the disabled is a reflection of social civilization and progress. When laying ramps with EPDM particles, from material selection to construction process, to later safety and maintenance, every link is related to the travel safety and convenience of the disabled. Only by strictly controlling each key point can we create a high-quality, safe and reliable wheelchair ramp to escort the travel of the disabled.
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Construction de rampes en caoutchouc EPDM pour fauteuils roulants pour personnes handicapées
À l’heure où la société se préoccupe de plus en plus du confort de déplacement des personnes handicapées, la construction de rampes d’accès pour fauteuils roulants pour personnes handicapées est d’une importance vitale.
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