The correct answer is D. All the above.
Pre-stressed concrete piles are made by pre-stressing the concrete, which means that the concrete is under tension before it is loaded. This makes the concrete stronger and more durable. Pre-stressed concrete piles are also lighter in weight than traditional concrete piles, which makes them easier to handle and install.
Here is a brief explanation of each option:
- Easy to handle: Pre-stressed concrete piles are made in long, slender sections that can be easily handled and transported. This makes them a good choice for projects where access is limited or where the piles need to be installed in difficult-to-reach areas.
- Lighter in weight: Pre-stressed concrete piles are lighter than traditional concrete piles. This makes them easier to handle and install, and it also reduces the cost of transportation.
- Extremely durable: Pre-stressed concrete piles are extremely durable. They are resistant to cracking, and they can withstand a high level of stress. This makes them a good choice for projects where durability is a critical factor.
Overall, pre-stressed concrete piles are a versatile and durable option for a variety of foundation applications. They are easy to handle, lightweight, and extremely durable.