write down about pile groups and efficiency about pile group.
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Pile Group A pile group consists of multiple piles that are arranged together to support a structure or foundation. Piles are long, slender columns typically made from concrete, steel, or timber, and are driven into the ground to transfer the load from the superstructure to deeper, stronger soil layers. A pile group is generally used when a single pile is insufficient to carry the load or when the load distribution needs to be spread over a larger area. Types of Pile Groups · Rectangular Pile Group : The piles are arranged in rows and columns, forming a rectangle or square shape. · Circular Pile Group : The piles are arranged in a circular pattern, often used for more uniform load distribution. · Linear Pile Group : The piles are arranged in a single line, often used for linear structures. Efficiency of Pile Groups The efficiency of pile...