The sill roof is relatively unfamiliar to people. It is actually a reinforced concrete covering on the top of a wall in an open-air building. Generally speaking, it is on the top of the window sill of the outer wall and there will be a parapet. top. The following Xiao Bian will tell you what are the general requirements for the window sill top and the parapet must be pressed?
What are the requirements for sill pressure top ?
Construction requirements
1, first according to "Masonry structure design specification" 6.3.3 provides: The purpose of doing this is to prevent or reduce the cracks in the bottom wall of the house, then you can take the following measures:
A. For example, you can increase the stiffness of the foundation ring beam.
B. You can install 3 welded steel mesh or 2Φ6 steel bars in the bottom wall sill underneath the bottom of the window sill, and deepen the wall between the two side windows not less than 600mm.
C. You may also consider using reinforced concrete sill plates. Both sides of the sill plate can be embedded in walls not less than 600mm.
2, for example, like some sill pressure only use the bottom row of ribs. Then its steel reinforcement uses 3Φ8 steel bars and extends into the 60mm of the wall ash joints on both sides. Generally speaking, this kind of pressure ceiling elevation can be used according to the drawing window. The best is that its height can be about 100mm. The effect will be better.
Does the parapet must be topped?
Yes.
1. If you don't stick to the wall of the parasol, then it will bring serious consequences. We know that because of the temperature changes throughout the year, it is very easy to cause cracking at the top, for example, some water seepage will occur. This will give you outside. Walls and roofs cause some damage.
2, the daughter of the wall pressure This refers to the top of the parapet in-situ cast concrete (with two long fine reinforcement), this is used to suppress the parapet, so that continuity, integrity is better. When the top is pressed, it can be used as a verb, and when it is a noun, when it is a verb, it means to suppress the meaning of the wall of the parapet; when it is a noun, it is also a part of the parapet, and this is the top of the parapet.
3. The parapet wall refers to the low wall on the outside of the building’s roof. This main function is to maintain the safety, and it will be applied as a waterproof tile at the bottom. The purpose of this is to prevent water seepage from the waterproof layer, or It is rainy water on the roof. However, according to the provisions of the building technical rules, the parapet should be regarded as a railing. For example, if the building is over 10 floors, its height should not be less than 1.2 meters. This is to prevent the operator from deliberately raising the parapet to facilitate the future. To build illegally, it is also stipulated that the maximum height must not exceed 1.5 meters.
Summary: What are the general requirements of the window sills and the parapet must be topped? Related content is introduced to this, the role of the top pressure in the construction is still relatively large, so when the construction must be required to Caixing, but also to design suitable The height to achieve the effect you want.
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