A, what waterproof material is used in the basement?
The basement is relatively dark and humid, and the area is also very narrow, and there are many places such as Yin and Yang corners and pipelines. If waterproofing membrane is used, it is not only difficult to cut and paste, but also requires high construction technology for workers. And because it is used indoors, it may have a pungent smell, which is not environmentally friendly. Therefore, commonly used basement waterproofing materials include waterproof coating and mortar waterproofing agent. Compared with mortar waterproofing agent, the strength of waterproof coating is limited, and a mortar protective layer needs to be made after coating waterproof coating. Therefore, considering the construction difficulty, waterproof years, cost and other factors, mortar waterproof agent is the most suitable waterproof material at present, and the cost is the lowest among the three.
Second, how to make the villa basement waterproof?
1, internal defense processing
After porch decoration and civil engineering decoration, it is necessary to waterproof all the walls and floors of the basement again to ensure that liquid water cannot penetrate into the room.
2. External defense therapy
After the construction of the enclosure wall is completed, waterproof materials should be used to waterproof the external wall immediately. This process should be completed by the developer when building the villa. After the owner closes the house, he must always pay attention to check whether there is any water seepage point in the rainstorm or rainy season. Once there is any water seepage point, he should contact the property or developer in time to make the external wall waterproof again after breaking ground.
3. Isolation treatment
In order to prevent the damage of keel and trunking to the waterproof layer during decoration, it is suggested to isolate the new single-sided brick wall from the wall where trunking or keel installation is needed, and then pour concrete with a certain thickness on the ground.
Third, the basement waterproof construction standard
1. The design of basement waterproof engineering should be accurate in classification, reliable in measures, suitable in materials, economical and reasonable.
2, basement waterproof construction should consider the role of surface water, diving, upper stagnant water, capillary water, etc. , and the influence of the nearby hydrogeological changes caused by human factors, and reasonably determine the waterproof elevation of the project.
3. Waterproof concrete self-waterproof structure should be adopted in basement waterproof construction, and additional waterproof layer can be set up or other waterproof measures can be taken according to needs.
4, for deformation joints, construction joints, wall tube (box), embedded parts, reserved holes and other special parts, strengthening measures should be taken.
Fourth, what are the waterproofing in the basement?
1, waterproof concrete structure
By improving the compactness and impermeability of concrete structure itself, the waterproof work of basement is realized.
2, add waterproof layer
Waterproof layer is added to the surface of underground structure to isolate groundwater from the structure, so as to achieve the purpose of waterproofing. Commonly used waterproof layers include cement mortar, coiled material, asphalt cementing material and metal waterproof layer.
3. Leakage and drainage measures
Seepage prevention and drainage measures are combined with waterproof and drainage, and blind ditch and seepage prevention and drainage layer are usually used to drain groundwater to achieve waterproof purpose.
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