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Anonymous users2024-01-24There is no problem with this, the area is not large, and the concrete and floor tiles in the upper part are enough to ensure stability.
The primary role of ceramsite cushion is light and high-strength, light weight and high strength! So it should be good.
Do two times of waterproof coating, these two times of waterproofing must be done together with the wall, and the height of the wall should be more than 40 cm higher than the upper edge of the caisson. Ensure that the seepage water in the upper layer will not expand to the periphery, and can only be discharged to the floor drain. Red brick or concrete is used as a partition overhead, and the caisson is divided into several 400*400 lattices. >>>More
It is to first pile up the ceramsite to fill the caisson, and then level it with cement sand on it, the sand is good in the sand, and the ceramsite does not need to be compacted after backfilling, and the existing secondary drainage in the caisson is necessary to preserve.
Sunken bathrooms can be backfilled with ceramsite bricks. The material is mainly lightweight cement-based blocks, and it can also be a combination of large green bricks and ceramsite bricks. >>>More
How long can sunken toilet be waterproofed after backfilling with concreteIf it's summer, it's going to take alternate days at most, and it's going to take more than two days in winter... >>>More