TRID
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Title:

THE OVERALL STABILITY OF FREE AND PROPPED EMBEDDED CANTILEVER RETAINING WALLS

Accession Number:

00342392

Record Type:

Component

Availability:

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Order Number: DOTL JC

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Order URL: http://worldcat.org/issn/00174653

Abstract:

This paper examines some of the commonly used design methods for overall stability based on factoring the passive resistance of the toe. These methods lead to widely differing levels of safety with respect to shear strength for a variety of conditions and sometimes give illogical results (e.g. A decreasing factor of safety with increasing wall penetration for uniform ground conditions). A revised definition of factor of safety with effect to passive failure is proposed. This revised definition is based on an analogy with bearing capacity theory and is shown to be consistent with the factor of safety as regards shear strength. The calculations take into account cohesive and frictional strength components, undrained conditions, surcharges and seepage pressures. A section deals with the application of the revised load factor to unpropped cantilever walls. The revised definition is shown to be logical and consistent for a wide range of conditions and overcomes the major difficulties that are inherent in current definitions. (TRRL)

Corporate Authors:

Foundation Publications Limited

7 Ongar Road
Brentwood CM15 9AU, Essex England

Authors:

Burland, J B
Potts, D M
Walsh, N M

Pagination:

p. 28

Publication Date:

1981-7

Serial:

GROUND ENGINEERING

Volume: 14
Issue Number: 5
Publisher: EMAP CONSTRUCT LIMITED
ISSN: 0017-4653

Features:

Figures (17) ; References (10)

Old TRIS Terms:

Subject Areas:

Bridges and other structures; Design; Geotechnology; Highways; Hydraulics and Hydrology; Safety and Human Factors; I24: Design of Bridges and Retaining Walls

Source Agency:

Transport Research Laboratory

Crowthorne House, Nine Mile Ride
Wokingham, Berkshire RG40 3GA United Kingdom

Source Data:

IRRD 255982

Files:

ITRD, TRIS

Created Date:

Dec 22 1981 12:00AM

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