Diaphragm Walls Design and Construction

[gianniorlati]

Embedded retaining Walls - Theory, Practice and Understanding

Author: Simpson - Powrie | Size: 1.37 MB | Format: PDF | Quality: Scanner | Publisher: n.a. | Year: 2001 | pages: 22 | ISBN: n.a.

ABSTRACT: Embedded retaining walls commonly comprise steel sheet piling or concrete walls, built as diaphragm walls in slurry trenches or using piling methods. Since the early 20th century, sheet piling has been in common use, particularly for waterfront structures and temporary works. More recently, concrete walls have been used extensively for construction of basements and underground infrastructure in urban areas. The performance and design of embedded walls has been debated extensively by Terzaghi, Brinch Hansen, Rowe, Tschebotarioff and many more recent authors, whilst codes of practice aim to specify design procedures. Although understanding has increased in some respects, controversy remains, notably in relation to distribution of earth pressures on walls subject to flexure, adoption of working or collapse states in design, and application of safety factors. This paper aims to summarise and extend this debate, and to suggest future developments which might help to clarify understanding and design procedures.

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