The thickness of cast-in-place floor slab is generally 8cm, 10cm, 12cm, 14cm, 15cm and other specifications. In summer, because of the hot weather, water evaporates quickly, which has a great influence on the quality and strength of concrete and cracks will appear.

Before pouring, the template should be watered and wet; Control slump, commercial concrete is generally about 140mm; After pouring and vibrating compaction, plastering shall be carried out twice; Gypsum should be covered as soon as possible, and plastic film, straw curtain and felt can be used. It is generally required to add water for curing within 24 hours. If the weather is hot, it is recommended to water and maintain it in advance.