What is the pressure on the roof pressure?
Construction requirements
1, according to "masonry structure design code" Article 6.3.3 provides: To prevent or reduce the bottom of the building wall cracks, the following measures can be taken: A, increase the thickness of the foundation ring beam. B, in the bottom of the windowsill under the wall of the gray seam set 3 welded steel mesh or 2 Φ6 steel, and deep inside the window between the walls of not less than 600mm. C, the use of reinforced concrete sill plate, windowsill plate embedded on both sides of the wall of not less than 600mm.
2, Jinshan Huacheng windowsill pressure top only use the end of ribs. Reinforcement with 3Φ8 steel bar, into the wall on both sides of the gray stitch 60mm, for the pressure elevation, according to the drawings window, height of 100mm or so, ranging.
1, as a common quality control, reduce or avoid the stress caused by the phenomenon of wall cracks (in both sides of the wall and the window of the junction of the location of the eight-shaped cracks).
2, can prevent the external rain into the impact of the lower part of the wall strength.
3, the installation of windows, flat iron can be fixed on it, increase the stability of the window.
4, to increase the integrity of the lower wall of the windows and stability.
The windowsill tops the roof in the building at the top of the wall of the reinforced concrete overlay, usually at the top of the facade of the facade, at the top of the parapet.
