At present, with the popularization of epoxy floor paint, more and more underground garages begin to make epoxy floor paint, mainly because underground garages have the following advantages: whether ordinary parking or underground garage, a large number of cars come in and out every day, the general concrete ground after a long time of rolling will molt, shell, dust, when parked for a day after the car on the car. What's your mood with a lot of dust? So the floor of underground parking lot will become the mainstream development trend. Underground garage floor is clean, dustproof, anti-skid and wear-resistant, beautiful and clean, just need wet mop to mop the floor.
The later maintenance cost of garage floor is greatly reduced, which is mainly manifested in cleaning and maintenance. Only a few maintenance personnel are required to mop the floor and clean it without frequent washing and so on. At the same time, the garage floor also greatly reduces the cost of electricity, no dust reduces the electrical load of ventilation equipment, garage floor is not as light as concrete floor, so the cost of electrical equipment is also reduced.
The decoration grade of underground garage and parking lot can improve the grade and value of the whole property. The garage environment is very clean and tidy, even in rainy and rainy weather, there will be no water, sewage and so on. It is easy to clean and maintain. The owner feels very good and reacts very well. It is a win-win situation for the owner and the developer. It improves the use value of the whole property and achieves the effect of value preservation and appreciation.
However, due to the hot and rainy weather in summer, there are many wet phenomena on the ground of underground parking lot foundation, and the construction technology of epoxy floor paint requires that the water content of the ground should not be greater than 8%. Otherwise, blistering, shelling and delamination will occur, which will cause serious quality problems. So how to deal with the wet ground condition of underground garage?
1. Do a good job of damp-proof construction.
If it is in the period before decoration, we should focus on the construction of underground garage against dampness. In the early stage of decoration, we should focus on the moistureproof construction of the ground and wall to form the waterproof layer of underground garage. As long as the method is correct and the construction conforms to the specifications, the underground garage can keep proper humidity without dampness.
2. Important human intervention in the use of dehumidifiers.
The damp underground garage occurs in the later period of use, which requires human intervention. One of the intervention methods is the use of dehumidifier. The dehumidifier should be equipped according to the use area of the underground garage to ensure that the dehumidification efficiency of the dehumidifier can play a normal role.
3. Strengthen ventilation to reduce humidity.
At the same time, we should use the entrance and exit passages of underground garage to strengthen ventilation and ventilation, so as to reduce the humidity of underground garage. Ventilation can take advantage of natural ventilation brought about by architectural design structure, and can also be strengthened by manual intervention, so as to keep the humidity of underground garage in balance with the external environment as far as possible.
4. Attention should be paid to improving the temperature difference so as to prevent moisture.
The main methods to improve the temperature difference are as follows: geothermal can be used to increase the ground temperature of underground garage, so as to promote the evaporation of air humidity in underground garage, and to improve the phenomenon of humidity in garage. Another point is that it can timely block the air exchange between underground garage and the external environment, so as to avoid the moisture from the external environment entering the underground garage.
5. Attention should be paid to the timely use of desiccants.
In different seasons, different moisture-proof methods can also be used. If the humidity is not very serious season, can cooperate with the use of desiccant, so as to keep the underground garage dry and sanitary.
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