This is a continuous strip of concrete which support load bearing walls which sit on the centre of the foundation.
A reinforced wide strip concrete foundation is used if the soil is soft or is of a low bearing capacity. This would not work for heavy or clumpy soil.
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disvantages of a narrow strip foundation
its commonly used in made-up ground.
Load Distribution: The primary function of a strip foundation is to distribute the load from the building's walls evenly to the underlying soil. This prevents excessive settlement or soil bearing capacity issues. Width and Depth: The width and depth of a strip foundation depend on factors such as the building's load, the type of soil, and local building codes. The width is typically greater than the width of the wall it supports. The depth is determined by the frost depth (to prevent frost heave) and the soil's bearing capacity. Reinforcement: In some cases, steel reinforcement bars (rebar) may be added to the concrete strip to enhance its tensile strength and overall stability. Footing Dimensions: The footing, or the bottom part of the strip foundation, is wider and serves as the load-spreading element. It is usually wider than the wall it supports to provide stability. Construction Process: Strip foundations are typically cast directly on the ground or on a shallow trench. The trench is excavated to the required depth and dimensions, and then concrete is poured into the trench to create the foundation. Use in Residential and Light Commercial Buildings: Strip foundations are commonly used in residential buildings, small commercial structures, and other low- to medium-rise buildings. They are suitable for structures with relatively light loads. Cost-Effective: Strip foundations are cost-effective and relatively simple to construct, making them a popular choice for a wide range of building types.
A reinforced wide strip concrete foundation is used if the soil is soft or is of a low bearing capacity. This would not work for heavy or clumpy soil.
Strip foundations are used to support a line of loads, either due to a load-bearing wall, or if a line of columns need supporting where column positions are so close that individual pad foundation would be inappropriate.
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A strip foundation is best known as the lowest part of your structure. The strip foundation is the first piece of supporting layer that is used with a foundation.
disvantages of a narrow strip foundation
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THREE DIMENSIONAL DRAWING OF STRIP FOUNDATIONS
Normal Strip, Deep Strip, and Wide strip Advantages it is far more common farmiliar technology it doesnt require specialised plant It is Cheap no need for form work reduce bricklaying below ground level fast allows increase bearing on low strength soils avoids excessive depth of foundation as width increases
World Wide Web Foundation was created in 2009.
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20mm
unit weight of sand used in strip foundations is 1700kg per cubic meter