Understanding Foundation Structure and Formwork

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Learn about hydrostatic pressure, forms and your basement. #learn #concrete #basement #formwork

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What happens here

The presenter introduces a concrete foundation model, explaining that it comprises two main sections: a footing and a stem wall. He highlights the wooden braces used to prevent horizontal movement of the forms and explains that snap ties are embedded in the concrete forms to hold the bottom together, counteracting the forces of hydrostatic pressure.

Goal: Introduce the basic components of a foundation and the role of formwork in resisting pressure.

Tools and materials

Concrete foundation model — Demonstrating foundation components (footing, stem wall) and formwork
Snap ties — Connecting concrete forms to hold them together against pressure
Wooden braces — Supporting the concrete forms from horizontal movement

What they say

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This is your standard foundation. This gets poured in two sections. You have a footing and a stem wall. Because of hydrostatic pressure, there are some steps that have to be taken. Hydrostatic pressure will be low up here and high down here. The lowest one has the most pressure and as the water column comes down, it still stays that way. Because this pressure increases at the bottom, these braces hold the top from horizontal movement

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