Strip , The main footing used in construction. Used on good ground. Usually a minimum of 1m deep., Wide strip, Reinforced and used on weaker or soft ground. Common on sandy soils., Trench fill, Where the footing is mass filled with concrete to use less blocks. Trench fill must be perfectly level, Stepped, Used on sloping ground. Level between each step, each step works block gauge. Prevents mass excavation., Raft, Used on unstable ground. Footing and floor are poured as one to create a whole structure. Reinforcement must be used., Pad, To support a point load like a pier or metal stanchion., Pile, Used on weak ground where the soil can not support the weight of the build. Common on industrial and commercial..

Foundation identification

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