Hello, greetings from Russia.
I am building my house here. Temperatures reach up to +45°C (113°F) in summer and down to -20°C (-4°F) in winter. Two years ago, I poured the foundation with 18 mm (0.7 inch) reinforcing steel inside.
Groundwater appears already at 50 cm (20 inches) depth, so I raised the foundation. It is 50 cm (20 inches) deep and 50 cm (20 inches) high.
Now I have noticed a crack that was not there last year. I am not exactly sure of the cause, but first, I had 200 cubic meters of soil delivered and raised the plot. I suspect the groundwater at depth froze.
The crack runs from the top down to about half the height of the foundation, as if it was pushed up from below.
My question is, how dangerous or problematic could this crack become? I am considering pouring a 15 cm (6 inch) high slab completely over it, including on the foundation.
I am building my house here. Temperatures reach up to +45°C (113°F) in summer and down to -20°C (-4°F) in winter. Two years ago, I poured the foundation with 18 mm (0.7 inch) reinforcing steel inside.
Groundwater appears already at 50 cm (20 inches) depth, so I raised the foundation. It is 50 cm (20 inches) deep and 50 cm (20 inches) high.
Now I have noticed a crack that was not there last year. I am not exactly sure of the cause, but first, I had 200 cubic meters of soil delivered and raised the plot. I suspect the groundwater at depth froze.
The crack runs from the top down to about half the height of the foundation, as if it was pushed up from below.
My question is, how dangerous or problematic could this crack become? I am considering pouring a 15 cm (6 inch) high slab completely over it, including on the foundation.
So, I’m checking in again. I have replaced the layer with gravel, about 100cm (40 inches), and I’m planning to pour concrete soon.
However, I’m concerned about the temperatures. During the day, it can reach up to 10°C (50°F), but at night it drops to around -3°C (27°F).
I spoke with the company supplying the concrete, and they said it’s not a problem at all since they also operate in northern Russia where they pour concrete in temperatures as low as -20°C (-4°F).
They mentioned that a frost protection additive is used, but how reliable is that?
What would you suggest? Should I go ahead with the concrete pour or wait for warmer weather?
However, I’m concerned about the temperatures. During the day, it can reach up to 10°C (50°F), but at night it drops to around -3°C (27°F).
I spoke with the company supplying the concrete, and they said it’s not a problem at all since they also operate in northern Russia where they pour concrete in temperatures as low as -20°C (-4°F).
They mentioned that a frost protection additive is used, but how reliable is that?
What would you suggest? Should I go ahead with the concrete pour or wait for warmer weather?
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