Chapter 3. Construction Equipment and Methods-Design and .EQUIPMENT AND METHODS. Impact hammers were used to drive all of the piles for the CA/T project. An impact hammer consists of a heavy ram weight that is raised mechanically or hydraulically to some height (termed "stroke") and dropped onto the head of the pile. During impact, the kinetic energy of the falling ram is.construction equipment for piles,Design And Construction Of Continuous Flight Auger Piles - Federal .This manual presents the state-of-the-practice for design and construction of continuous flight auger. (CFA) piles, including those piles commonly referred to as augered cast-in-place (ACIP) piles, drilled displacement piles, and screw piles. CFA pile types, materials, and construction equipment and procedures are.
construction equipment for piles