Report No. : GEO Report No. 33

Report Title : An Evaluation of the Suitability of Decomposed Granite as Foundation Backfill for Gravity Seawalls in Hong Kong (1993), 34 p. (Reprinted, 1995)

Author : E.B. Choot


This report presents an evaluation conducted to determine if decomposed granite can be used to replace marine sand as the foundation backfill for gravity seawall in Hong Kong. It consists of a review of the available literature on the properties and behaviour of decomposed granite marine fill, and the analysis of seawall stability during various stages of construction, with due consideration to the probable pore pressure developed in the foundation backfill. Conclusions are drawn and recommendations made as appropriate.

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