What is a Retaining Wall? Functions, 4 Types & How to Build It Correctly [2026 Guide]
*What is a Retaining Wall? Functions, 4 Types & How to Build It Correctly [2026 Guide]* *Introduction* If you have traveled to a hilly area or seen a basement, you must have noticed a thick wall along the roadside holding back soil. *That wall is called a Retaining Wall.* This is not an ordinary wall. Its job is not just to make a room, but to *resist tons of soil and water pressure*. If it fails, entire roads or buildings can collapse. In this complete 2026 guide, you will learn: 1. *What is the main function* of a retaining wall and why is it necessary? 2. *What are the 4 most common types*: Gravity, Cantilever, Counterfort, and Gabion walls? 3. *Which wall should be used where* based on height? 4. *Why do they fail* and 3 ways to prevent it? 5. *Basic cost idea* based on 2026 rates. Whether you are a civil engineering student or a contractor, bookmark this post. It will help in both viva and on site. --...