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How to choose waterproof materials in the repair process of sewage pool leakage stoppage?

Hits: 295 2020-02-19 08:40:25 source: Jiangsu Xinda high altitude Engineering Co., Ltd

News Abstract: there are many water permeable pores, holes and cracks in the base of all waterproof layers. At the same time, new cracks are produced and enlarged in the process of application. Therefore, the selected waterproof layer should first deal with the blocking of the base surface.

(1) Meeting grassroots compliance
There are many water permeable pores, holes and cracks in the base course of all waterproof layers. At the same time, new cracks are produced and enlarged in the process of application. Therefore, the selected waterproof layer should first deal with the blocking of the base surface, blocking the pores, holes and cracks, which requires that the waterproof layer can block the pores, holes and cracks, bond firmly with the base surface, root water channeling at the bottom of the waterproof layer, and also comply with the generation and dynamic changes of new cracks in the base. In addition, due to the uneven base surface, a variety of shapes, waterproof data to comply with it. One or more kinds of materials can be used to meet the requirements of base course compliance. Most of the materials conforming to the base course are coatings, pressure-sensitive and creep type self-adhesive coiled materials. However, due to the different crack resistance of the base course, it is often combined with other waterproof materials such as coiled materials.
(2) Temperature compliance is satisfied
The working environment temperature of the waterproof layer is related to the building area, but in the roof engineering, the inverted waterproof layer temperature is positive temperature, and the open project is negative temperature below the frozen soil layer. If there is an insulation layer above the frozen soil layer, it should also be in a positive temperature. The indoor engineering is not related to the region, while the outer wall waterproof layer is completely under the action of regional atmospheric temperature.
When the temperature of ordinary waterproof layer is higher than 30 ℃, the aging of flexible waterproof data will be accelerated, and the shrinkage will be increased. When the temperature of sewage pool plugging is low, exceeding the flexibility index of waterproof data will cause the flexible waterproof data to become brittle and lose the performance of extension deformation. At this time, the structural shrinkage deformation will increase and the waterproof layer will be easily broken. Therefore, the lowest temperature of the working environment of the waterproof layer plays a decisive role in the selection of low temperature compliance of waterproof materials. Waterproof materials should also have certain deformation ability, certain elongation and toughness at low temperature, otherwise the waterproof layer will be destroyed.
Leakage stoppage of sewage tank
(3) Meet durability request
The durability of waterproof materials is the most important performance of waterproof layer quality. Without durability, there is no use value. It will be invalid in a very short time. It should be repaired or reworked. This should be a very serious quality accident. Therefore, the data of waterproof layer should be able to resist the aging and damage of natural elements and meet the requirements of people's normal use function, otherwise the quality of waterproof layer can not be guaranteed.
(4) Meet construction requirements
The constructability of waterproof data includes the reliability of construction technology and the compliance of construction environment. The selected data should be convenient for construction, cumbersome and feasible technology, advanced and reliable machines and tools, wide compliance with the construction environmental conditions, and not strict with the construction conditions, so as to ensure the construction quality.
(5) Meet complementary compatibility request
Each waterproof material has its own characteristics and advantages, but also has its weaknesses and defects. This is the general law of things. Therefore, in order to meet the functional requirements of various aspects, we should choose the data with complementary performance, give full play to their own advantages and characteristics, and compensate for the weakness of another data, so as to ensure the function of waterproof layer. For example, the selection of materials should be complementary, such as separation of elastic and plastic properties. Be compatible with each other in waterproof property.

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