Soil Mechanics Topics

Proctor Compaction Test: OMC, MDD, Procedure and Worked Example

Quick answer: The Proctor compaction test finds the water content at which a soil reaches its highest dry density. That…

Soldier piles, sheet piles, secant piles, soil nails and slurry walls compared, with soil and groundwater limits, OSHA triggers, reported…

A practical guide to site testing of concrete, soil and asphalt: what slump, cube, Proctor, sand replacement, CBR, aggregate and…

A retaining wall holds back soil so you can level a yard, stop erosion or make space for a driveway….

Almost every house gets some cracks. Most are harmless. A few are early warnings of a foundation problem that gets…

A crack in the foundation is scary, and the first question is always the same: how much will this cost…

Coulomb earth pressure theory explained: Ka and Kp formulas with wall friction, Coulomb vs Rankine, a values table and a…

Every retaining wall, basement wall, sheet pile, and braced excavation must resist lateral earth pressure — the horizontal force a…

When a saturated clay layer is loaded — by a new building, embankment, or fill — the applied stress is…