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STUDY ON MONITORING OF DEFORMATION AND STREE STATE
OF LANDSLIDE ANTI-SLIDE PILES USING
BOREHOLE INCLINOMETER
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Abstract The horizontal lateral displacement of reinforced concrete or rail anti-slide piles is measured by setting up borehole incline-tube in pile. For reinforced concrete anti-slide piles，it is considered as beams on elastic foundation so as to obtain elastic curve differential equation，and the rotating-angle，bending moment，shear and resistance of soil or rock piles are deduced then. For rail anti-slide piles，the bending moment，normal stress and anti-slide force of rail anti-slide pile are calculated inversely based on flexure deformation measured by inclinometer. Finally，this method is applied to Hanjiaya and 0509 landslide with satisfying effects.
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Received: 23 August 2007
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