Publication Abstract

Proceedings - Fourth International Conference - Piling and Deep Foundations, 1991, Stresa, Italy, (DFI)

Steel Sheet Piling used in the Combined role of Bearing Piles and Earth Retaining Members
G. McShane

Steel sheet piling is traditionally perceived to be a temporary works earth retaining material. It is used to support excavations of which the cofferdam is perhaps the most common form. In this presentation the author discusses current trends in construction practice where reductions in time and cost can be achieved by using sheet piles as permanent load bearing walls. Sheet piles are by definition, structural units which when connected, one to another, form a continous wall generally for retaining earth and/or water. They are found extensively in permanent applications forming seawalls, floodwalls, jetties and bulkheads - including quay walls for marine terminal facilities. Used in the above situation the sheet piling may utilize fully its earth retaining capacity but take little advantage of its inherent ability to support substantial vertical load. By developing the full carrying capacity of the section in terms of horizontal and vertical components of load the material is well placed to be considered for application into many other forms of construction. Consideration is given in this paper to a basic design approach which involves both geotechnical and structural considerations and their complicated interaction. Possible structural problems are identified, briefly explained and preventative measures are noted.

 article #500; publication #37 (IC-1991-IT)