Clear steps to size a rectangular combined footing, including area calculation, eccentricity checks, soil pressure distribution, and structural checks with an example.

An accessible look at raft slabs: how they spread loads, what soils need to be checked, reinforcement choices, and construction steps for durable foundations.

A mat foundation spreads loads across a large slab, reducing settlement and simplifying construction on weak soils. This post covers benefits, design points, and real-world considerations.