To keep the house and the room from being sucked into the air during a tornado large footings that work like anchors are added to the walls to hold the room in place.
Thickness for concrete wall.
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.
Reinforced concrete wall is designed as a compression member.
So taller walls in heavier soils should be made thicker or with stronger concrete.
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.
The thickness or depth of concrete basement walls plays an integral role in their long term strength and durability.
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.
Reinforced concrete wall is classified as.
The thickness of load bearing masonry wall should be at least 304 8 mm 1 ft thick for maximum wall height of 10 668m 35 ft.
Plain concrete wall when reinforcement 0 4 reinforced concrete wall when reinforcement 0 4.
Reinforced concrete wall is used in case where beam is not provided and load from the slab is heavy or when the masonry wall thickness is restricted.
Increasing the strength of the concrete mix or the thickness of the wall increases the wall s capacity.
Moreover the thickness of masonry wall need to be increased by 101 6 mm 4in for each successive 10 668m 35 ft height or fractions of this height measured from the top of the masonry wall.