Guide to Reinforced Fill Structure and Slope Design




GUIDE TO

REINFORCED FILL

STRUCTURE

AND SLOPE

DESIGN


GEOTECHNICAL ENGINEERING OFFICE

Civil Engineering Department

The Government of the Hong Kong

Special Administrative Region


1.1 PURPOSE AND SCOPE


1. INTRODUCTION

This Geoguide recommends a standard of good practice for the design and

construction supervision of permanent reinforced fill structures and slopes in Hong Kong. It

is a companion to Geoguide 1 − Guide to Retaining Wall Design (GEO, 1993) and is aimed at

qualified engineers who are conversant with the relevant engineering principles and

procedures.

Reinforced fill is a compacted mass of fill with predominantly horizontal layered

reinforcing elements to improve its tensile and shear capacities. Permanent reinforced fill

features are made of reinforced fill, which may also comprise facing elements to form slopes

or structures with an intended design life longer than two years. A reinforced fill feature with

a face inclination of more than 20º from the vertical shall be considered as a reinforced fill

slope. A reinforced fill feature otherwise shall be considered as a reinforced fill structure.


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