
What Is Subgrade Preparation for Denver Commercial Lots on Swelling Clay Soils?
June 25, 2026
Subgrade preparation for Denver commercial lots on swelling clay soils is the process of testing, treating, and stabilizing expansive clay beneath a parking lot or commercial surface so the pavement structure can resist heave, settlement, and cracking over its full service life. This guide covers clay behavior and identification along the Front Range, the step-by-step
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