What are closed-floor systems and leak-proof floors?
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What does the last sentence of clause 5.2.20 in GB50160-2018, which states that \"closed floor slabs shall be leak-proof floors,\" mean? Can openings be made in a closed-type floor slab? Does a leak-proof floor mean that no holes can be made in it?
A closed-type floor refers to a floor whose all holes and joints are sealed, preventing leaks. A leak-free floor means that the entire surface of the floor has no holes or openings, preventing water leakage. In clause 5.2.20 of GB50160-2018, the last sentence states that \"the closed floor slabs shall be leak-proof slabs,\" which means that the floor slabs must be sealed to prevent any leakage, so as to ensure the structural integrity and safety of the slabs in use. Closed floor slabs can have openings, but strict design and construction measures are required to ensure that these openings do not affect the slab’s airtightness and load-bearing capacity. A leak-free floor cannot have any openings or leakage points. .
Impressive. I was wondering if there is a clear source for this entry explanation?