Concrete cased piles are a form of pile foundation characterized by a concrete encasement for enhanced strength and stability. The following are examples of concrete cased piles:
Raymond Pile: This concrete cased pile is formed by driving a steel casing into the ground, followed by filling it with concrete. It is frequently employed for deep foundations in soft soil conditions. Consequently, this qualifies as a concrete cased pile.
Swage Pile: The Swage pile also utilizes a driven steel casing, with concrete subsequently poured into it. This method is a type of concrete cased pile because the casing offers supplementary support and mitigates soil displacement during installation.
Vibro Pile: Vibro piles are generally installed using vibration to compact the surrounding soil or to drive the pile. As Vibro piles do not incorporate a concrete casing, they are not classified as concrete cased piles.
Simplex Pile: Simplex piles are not concrete cased piles. They typically do not utilize a casing but rely on alternative methods such as grout or concrete for stability. Therefore, this is not a concrete cased pile.
Conclusion: The appropriate selections are (A) Raymond Pile and (B) Swage Pile, as they represent concrete cased piles.