Publication Abstract

Proceedings of the 30th Annual Conference on Deep Foundations, 2005, Chicago, Illinois, USA, (DFI)

Steel Innovation: Changing the Economics of Below Grade Foundations
Dean Abbondanza

Below grade foundation design has construction issues that above grade foundations do not. These cost factors are dependent on soil conditions and vary by region, but for the most part, the process remains standard. An innovative design concept using steel sheet piles as the permanent wall element changes the traditional cost and schedule for below grade foundations. The sheet pile application reduces dewatering requirements, does not require waterproofing on the vertical walls and eliminates the cast in place concrete wall structure. Foremost, this versatile application affords both Contractor and Designer the choice of two methods of construction; conventional bottom up or top down. The top down method not only provides the savings of bottom up, but also eliminates the cost of anchors while taking the foundation out of the critical path in the early stages of construction.

 article #1289; publication #72 (AM-2005)