Therefore, it is necessary for us to appeal to those architects who must fully consider the installation and some necessary performance when designing at the deformation joints. The inherent deficiency is a difficult and troublesome issue if it can be eradicated from the source. , but also save trouble and effort, why not do it. Let's take everyone together to understand the type and role of the deformation joint under the roof and the deformation joints.
Roof deformation joint types
According to the structural and deformation joints, the expansion function is divided into the following three types:
First, metal cover type roof deformation joint metal cover type roof deformation joint
Second, rubber roof deformation joints
Third, earthquake-resistant roof deformation joints
The role of roof deformation joints
Roof deformation joints, in addition to the expansion and contraction capabilities of deformation joints, also play a very good waterproof effect. The implementation of its waterproof function is achieved through three components:
1. A metal cover with a hemmed edge and a metal cover with a hemmed edge can effectively prevent rainwater from penetrating into the expansion joint due to the influence of wind.
2, rubber water stop, the water stop can make the water due to wind and other factors will not lead to direct leakage, play the second layer of protection.
3, with a folded aluminum alloy base, do not underestimate the fold, but also because of this fold, to better support the product's waterproof performance.
What is the practice of deformation joints?
1, before installation should carefully check whether the slot meets the product requirements, the excess part should be chiseled, the defect part should be repaired, too deep and wide part of the need for straight reinforcement, to ensure the straightness and solidity of the slot.
2. The ground deformation joint device of the building shall meet the requirements of the atlas construction details. If it cannot meet the requirements of the groove or abutment, it shall be fixed with the expansion bolt of the reinforced concrete main structure. Use a M6 expansion bolt with a minimum depth of 40mm and an M8 expansion bolt with a minimum depth of 50mm.
3. When installing, take the center of the deformation joint as the base point, according to the selected model, set the two sides according to the requirements of the atlas and fix the position of the fixed aluminum alloy base. Use the same method to determine the location of the expansion bolts. The spacing is in accordance with the installation drawing.
4, according to the actual requirements of fire resistance installation.
5. Apply a special base layer adhesive on both sides of the gap-connected base layer and the water stop tape. Place the water stop tape on the concrete base layer and compact it with the corresponding tools. There must be no bubbles or openings in the joints between the two sides and the concrete after the water stop is fixed.
6. Put the aluminum alloy pedestal into the slot, adjust the design elevation so that the vertical slope, cross slope and the decorative surface are consistent, and fix the aluminum alloy base with expansion bolts.
7. The sliders are arranged according to the designed spacing and are initially fixed.
8. Cover the panel and fix it with bolts. After installation, the surface cover of the deformation joint device should be consistent with the vertical slope and horizontal slope of the floor.
9. Embed rubber strips, marble or other materials as required.
10. Fill joints and scrape evenly at individual joints.
11, roof joints should pay special attention to joint processing. Special nodes and accessories are specially processed by the manufacturers. See the deformation joints on the roof for details.
12, according to the node diagram processing two different types of deformation device. See the connection between the deformation joint and the external wall of the roof.
13, do a good job of product protection.
The above points are related to the summary of the types and effects of roof deformation joints and the practice of deformation joints for everyone on this site. I believe we will have a certain understanding after reading them. This way, everyone will know a lot. If you still have those who want to know, you can check it out on our website.
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