Water is the biggest enemy of retaining walls. When rain builds up behind the wall, pressure rises rapidly—and that’s what causes cracking, leaning, or even total failure. Engineers solve this by giving water a way out. Drainage layers, gravel backfill, weep holes, and perforated pipes work together to release pressure before it becomes dangerous. A retaining wall isn’t just holding soil—it’s managing water. When drainage is done right, these walls can remain stable for decades, even during heav

How to Build a Retaining Wall - Step by Step | Home RenoVision DIY

This is how a RETAINING WALL works 😀 📹Structures Explained | Civil Engineering&Architecture