Reading Borehole Logs Without Missing the Soft Spots
How to cross-check SPT blows, moisture descriptions, and sample recovery before you trust a ground model for foundation sizing.
Guides from the Field School desk
Short articles on reading investigations, detailing drainage, and packing for a logging week—written for engineers who still stand beside the drill pad.
Why Drainage Behind Retaining Walls Still Fails on Site
Common detailing mistakes that leave walls holding water they were never designed to resist.
Groundwater Levels That Change Between Tender and Dig
Practical steps for updating bearing checks when monitoring shows a higher water table than the desk study suggested.
What to Pack for a Field Logging Week in the Midlands
Kit, clothing, and habits that keep descriptions consistent when the weather turns and the drill crew is waiting.