Partition type waterproof structure of subsurface structure baseplate and construction method

Abstract

The invention provides a partition type waterproof structure of a subsurface structure baseplate and a construction method. The partition type waterproof structure comprises a concrete under layer, amodified asphalt waterproof roll layer, a non-solidified rubber asphalt partition grid layer, a waterproof mortar protection layer and a concrete structure baseplate layer which are laid from the bottom to the top in sequence. The waterproof layer of the structure baseplate is partitioned by adopting the non-solidified rubber asphalt, and the waterproof mortar protection layer is laid. The partition type waterproof structure greatly improves the maintenance efficiency, reduces the maintenance cost, and enhances the impermeability.

Description

technical field [0001] The invention belongs to the technical field of waterproof construction, and in particular relates to a sub-compartment-type waterproof structure for an underground structure floor and a construction method. Background technique [0002] The flexible waterproof layer has a large elongation rate, which can better adapt to the cracking of the base layer caused by various factors without losing the waterproof function. The use of flexible waterproof materials to construct the waterproof layer has always been the main means of building waterproofing. In engineering practice, due to various reasons, there are still many flexible waterproof layers that will fail due to cracking. The flexible waterproof layer is attached to the waterproof interface of the building structure in the form of attachment. In order to prevent water from flowing under the waterproof layer and it is difficult to find the real leakage point, most of them adopt the full sticky process....

AI Technical Summary

Problems solved by technology

After the construction of the structural slab, when the waterproof layer is structurally deformed (the tensile stress generated by the deformation has a great influence on the flexible waterproof material, the leakage caused by the failure of the flexible waterproof layer due to structural cracking accounts for more than half, even if the waterproof material is not used. It is in a state of stress for a long time, and it is very easy to fatigue, which will greatly affect its life), and after the damage occurs due to insufficient protection and self-deterioration during the construction process, because the waterproof layer and the structural plate are only physically pressed, it is very difficult It is easy to form a water channeling layer between the coiled material and the structural bottom plate, and form leakage under the action of defects

Even with a good combination of pre-paved anti-adhesive technology, the construction is more difficult. When the protective layer is directly tied to the waterproof layer, it is easy to damage the waterproof layer and lose the waterproof effect.

[0004] Therefore, the traditional underground waterproof technology currently has different degrees of shortcomings in the bottom plate, especially after the waterproof layer cracks, it is easy to form a water channeling layer, which seriously affects the judgment of the source of leakage, thus greatly increasing the difficulty of later repair and treatment of leakage.

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