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Structural Engineering and Mechanics
  Volume 6, Number 3, April 1998 , pages 245-257

Analysis and design of inclined piles used to prevent downhill creep of unsaturated clay formations
Poorooshasb HB, Miura N, Noorzad A

    This paper present an analysis which may be used to obtain a rational design of a system of inclined piles used in preventing downhill creep of unsaturated clay formations. It uses two simple and relatively easy to measure parameters (an estimate of the maximum downhill creep together with a knowledge of the depth of the so called active zone) to calculate the required section size and the optimal spacing (pitch) of the piles for a desired efficiency of the system as a whole. Design charts are provided to facilitate the process.
Key Words
    saturated and unsaturated clays, downhill creep, piles, rainfall, pitch
Poorooshasb HB, Saga Univ, Inst Lowland Technol, Saga 840, Japan
Saga Univ, Inst Lowland Technol, Saga 840, Japan
Concordia Univ, Montreal, PQ, Canada

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