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First, I am not an engineer, nor am I formally studying the subject. So, please pardon my ignorance.
I recently found these in the walls of the staircase in our flat:
The walls of the staircase had not been painted properly by the builder. Due to water seepage and damp, parts of the plaster have absorbed water and swollen up. When I hit them slightly, they broke off, revealing the material inside.
The question is, what are these? Inside the cement, there is some kind of iron rod or twisted wires, that is rusted. They are barely 3mm inside.
My father is a civil engineer. He inspected and said that since these were further away from any beam or column, they would not harm the structural integrity of the building. But he is not sure about what they are.
These are not electric wires, because wires won't go like that. Neither are these parts of beams or columns. But they are visible on all the four walls of the staircase to the terrace: swelling up, breaking on hitting, with rusted iron inside. But these are visible only on the staircase walls - not inside our house.
Anyone has any idea what these are?
If it is related to earthquake protection, then I can say with 99.99% surety that our flat hasn't been built keeping earthquakes in mind (Kolkata is in Zone III according to this).
I recently found these in the walls of the staircase in our flat:
The walls of the staircase had not been painted properly by the builder. Due to water seepage and damp, parts of the plaster have absorbed water and swollen up. When I hit them slightly, they broke off, revealing the material inside.
The question is, what are these? Inside the cement, there is some kind of iron rod or twisted wires, that is rusted. They are barely 3mm inside.
My father is a civil engineer. He inspected and said that since these were further away from any beam or column, they would not harm the structural integrity of the building. But he is not sure about what they are.
These are not electric wires, because wires won't go like that. Neither are these parts of beams or columns. But they are visible on all the four walls of the staircase to the terrace: swelling up, breaking on hitting, with rusted iron inside. But these are visible only on the staircase walls - not inside our house.
Anyone has any idea what these are?
If it is related to earthquake protection, then I can say with 99.99% surety that our flat hasn't been built keeping earthquakes in mind (Kolkata is in Zone III according to this).