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I struggle with foundation engineering books in giving a straightforward steps to determining the amount of excavation I need to do for a residential home. Any advice on this matter? When you make a sample pit, do you do it on surface? Do you do a sample pit at depth intervals? What soil...

I am a beginner engineer here. 1. Is the soil bearing capacity calculated by Terzaghi equation the same as the allowable soil pressure? 2. After determining the bearing capacity, how do I determine the foundation area that I need? 3. After determining the foundation area, how do I determine how...

I see. What I am comparing with is an isolated shallow foundation. Heres an image attached. I take thst the beloew is not a pier foundation.

Do ground slabs need excavation though? I know that with the bearing capacity formula there's a depth component. Hence the reason for making the shallow isolated foundations reach a certain depth. I noticed you use the term "block piers". Is this the same as a shallow isolated foundations?

Thank you for your time in responding to my query. I still don't get why they put the isolated shallow foundations. Are they cheaper than doing a monolithic raft foundation? What if there is groundwater, is that when you go for a raft foundation?

Hello all, I wonder on the decision choice between a Slab on Grade foundation versus a shallow foundation footing for a house. Why is it in some countries they use a slab on grade whereas others they use isolated foundations. The latter have a ground type of simsima limestone (strong ground...