How do you know the cracks in your home are dangerous or

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How do you know the cracks in your home are dangerous or

Postby GOG85 » Thu Sep 17, 2020 3:10 am

How do you know if the cracks in your home are dangerous or not?
1- Horizontal cracks: they occur in the meeting areas between bridges and brick walls and are caused by expansion and contraction and the difference in elasticity factor between the two materials. They appear on both sides of the room and are not dangerous.

2- Vertical cracks: they occur in the areas where the columns meet with the bricks. They are also not dangerous cracks.

Conclusion: Horizontal and vertical cracks appear on the edges of the room and are narrow cracks (1-2 mm) defective and not dangerous.
It is treated by removing the plaster layer, applying a layer of (fiber mesh) and re-applying the plaster.

3- Cracks tilted at an angle of 45 °:

They are often dangerous cracks and have many forms:

A - Cracks diagonally next to the upper door openings: short (25-30 cm), narrow (1-2 mm) .. These cracks are caused by the shortage of the length of the upper part of the door or that it does not exist at all .. which leads to the cracking of plaster and bricks sometimes under the blows of the door The successive fissures are not dangerous.

This crack is treated by executing an armed detection above the door and by arming (fiber mesh) for minors.

B - inclined cracks next to the lower openings of the windows: dangerous cracks caused by the existence of a differential landing in one or more bases of the building, and this crack is required to consult a specialized and expert engineer, especially if the length of the crack is large.

C - Two inclined cracks that go from the upper column angle to the middle of the lower bridge at an angle of 45 degrees from both ends of the wall: a very dangerous crack caused by the presence of weakness in the ancestral bridge or the ground spike, and the spike is often broken.

* The solution is to make a complete study to scientifically support the building. شركة كشف تسريبات المياة بالخبر

D - Two diagonal cracks running from the lower column angle to the middle of the upper bridge:
It is due to the presence of differential subsidence in one of the bases (the location of the crack) and is usually associated with cracks in the edges of the lower windows.

4- Horizontal cracks in the columns: a very dangerous crack caused by the collapse of the base completely, which led to the pulling of the column towards the bottom. The column is being supported by metal bracelets or other methods. شركة فحص فلل بالخبر

5- Vertical cracks in bridges: they occur either at the end and it is dangerous because of the shear forces exceeding the permissible value or in the middle and it is more dangerous due to the torque exceeding the permissible values ​​and this cracking starts from the bottom in the form of hair that increases steadily until it exceeds the middle of the bridge height and cannot be ignored Never ask to consult a professional engineer
GOG85
 
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