This video explores the different categories of piles used in civil engineering. Piles are deep foundation elements driven or drilled into the ground to provide support for structures by transferring loads to deeper, more stable soil layers. Understanding the categories of piles is essential for engineers to determine the right foundation solution for various construction projects.
Four primary types of piles:
1. Bearing Piles: These piles allow vertical loads and transfer a structure's load directly to a solid layer of soil or rock. Bearing piles rest on hard strata and act as pillars to support the structure. They are used to find hard strata when bearing capacity is low.
2. Friction Piles: When no hard strata are available, friction piles are used to distribute the load through the soil by friction along the pile's length. Friction piles are long and roughened to increase surface area and friction resistance. These piles rely on the resistance between the pile surface and surrounding soil to support the structure.
3. Batter Piles: Unlike vertical piles, batter piles are driven at an angle to provide resistance to lateral forces. They are often used in structures subjected to horizontal loads, such as retaining walls, bridges, and wharves.
4. Guide Piles: These piles are used to form cofferdams, providing stable foundations for underwater construction.
By understanding these categories, civil engineers can choose the most effective pile type for specific ground conditions, ensuring the safety and longevity of construction projects. Watch this video to learn how each type functions and when to use them in practice!