Do a good job in the foundation treatment of the bottom layer, and pay attention to the sufficient curing time of the newly poured concrete for no less than 28 days. The entire surface has good flatness, and the allowable error of the 3-meter ruler is 3mm. Note that the foundation of the basketball court has sufficient strength and compactness, and there are no cracks, delamination, powdering, etc. Do a good job in relevant drainage design, and set up drainage ditches around. In order to ensure smooth drainage, the base surface should have a slope of 5‰ and meet the design requirements. It is recommended to leave temperature expansion joints, which are generally treated according to a reasonable size to prevent concrete cracking caused by thermal expansion and contraction.
During the construction process, pay attention to understand the relevant weather conditions. Construction cannot be carried out on rainy days. Avoid construction under the scorching sun or when the temperature is greater than 85%. Note that the indoor venue of the basketball court should maintain good convection and ventilation. Pay attention to check the flatness and elasticity of the field plane, and measure the line drawing standard to ensure the qualification of the entire silicon PU stadium project.
Classification and selection of silicon pu court materials: If it is classified by diluent, it is mainly divided into three types: solvent-based, solvent-free and water-based. Among them, solvent-based means that the paint contains volatile thinners. Solvent-free coatings do not contain volatile diluents, but there are active diluents that do not volatilize and participate in the reaction with the curing agent. Water-based mainly uses water as the diluent, which does not contain various solvents. If classified by function: silicon pu court materials can be divided into anti-static coatings, anti-corrosion coatings, waterproof coatings, and anti-spark coatings. Different materials have different uses.
Selection of silicon pu court materials: When choosing, try to choose physical resistance, depending on the type and frequency such as abrasion, impact, scraping, load-bearing, low odor, and does not affect normal operation. At the same time, attention should be paid to anti-seepage to protect concrete or groundwater sources. Try to choose chemical resistance depending on the type of chemical, such as acid, alkali, solvent or grease. When selecting, pay attention to temperature difference, whether the system will be exposed to steam cleaning, climate temperature difference, heating and cooling, cold storage. Pay attention to the relevant anti-slip properties, such as dry, wet, oil, etc., and make a comprehensive selection based on construction conditions and budget.
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