Mat Foundation Design Spreadsheet May 2026

She never sold the spreadsheet. She gave it away to every young geotech who asked. But she added one hidden feature: a line of text at the bottom of every printout that read:

But the crown jewel was the . Most engineers design top and bottom rebar uniformly—wasting steel. Maya’s spreadsheet sliced the mat into east-west and north-south design strips. It calculated the maximum positive and negative moment in each strip, then suggested different rebar spacing for the middle strip versus the column strips. It even accounted for development length, splicing, and temperature steel. mat foundation design spreadsheet

The building stands today. No cracks. No settlement. No lawsuits. She never sold the spreadsheet