<p>This Architectural Drawing of AutoCAD 2d drawing of Bottom and top Reinforcement layer of pile cap. The pile cage has <strong>vertical reinforcement held together by outer and inner rings</strong>. The Reinforcement in pile construction include: Vertical Reinforcement. Outer Ring Reinforcement. Inner Ring Reinforcement. Pile foundations are principally used to transfer the loads from superstructures, through weak, compressible strata or water onto stronger, more compact, less compressible and stiffer soil or rock at depth, increasing the effective size of a foundation and resisting horizontal loads. For more details and information download the drawing file.</p>