A simple diy test will help you to find out.
How thick are concrete basement walls.
The r value of an uninsulated 8 inch thick basement wall built using normal weight concrete is 1 35 based on data from the 1993 american society of heating refrigeration and air conditioning engineers handbook.
Strength reduced from 136 7 to 89 1 in kips.
As soon as you go higher or have greater depths of soil pushing against the wall you need to increase the thickness to 10 inches.
What is the typical concrete basement wall thickness.
One will be poured concrete while the other one will be standard 8 inch hollow core block.
Holding up under pressure.
By doubling the thickness of the wall to 16 inches the r value only increases by 0 50.
Poured concrete basement walls cost.
Poured concrete foundation walls that are less than 8 feet tall and have soil outside that is 6 or 7 feet deep against the wall can often be 8 inches thick and function quite well.
There are two forces which act primarily upon foundation walls.
Tape a one foot by one foot square of plastic sheeting.
Concrete is ordered by volume in cubic yards.
In general poured concrete basement walls that are 8 feet tall or less and have no more than 7.
The taller the wall the thicker it must be.
Increasing the strength of the concrete mix or the thickness of the wall increases the wall s capacity.
When planning the thickness of foundation walls.
The calculator will automatically estimate the number of cubic yards of concrete that will be required.
The presence of reinforcing steel dramatically increases the overall strength characteristics of masonry or concrete.
Even if your basement walls have no visible cracks or leaks you may still have moisture issues.
Table 4a is based directly on the aci method but for table 4b the author has applied a reduced strength reduction factor a factor of safety.
2 5 clear to strength steel 4 10 rather than the designed 5 10 bending strength of the section has been reduced by about 35.
To use the concrete wall calculator simply enter the width length and thickness of your pour.
If you re just pouring concrete walls and don t need a foundation slab your costs might range from 2 900 to 10 350 however a large basement with thick concrete walls could easily cost upwards of 25 000.