SVIBOR - Project code: 2-11-068

MINISTRY OF SCIENCE AND TECHNOLOGY

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tel.: +385 1 459 44 44, fax: +385 1 459 44 69
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Project code: 2-11-068


MECHANICAL BEHAVIOUR OF SANDS UNDER CYCLIC LOADING


Main researcher: SZAVITS-NOSSAN, ANTUN (45750)


Assistants
Type of research: applied
Duration from: 04/30/91. to 04/30/95.
Papers on project (total): 28
Institution name: Građevinski fakultet, Zagreb (82)
Department/Institute: Department of Geotechnics
Address: Fra Andrije Kačića-Miošića 26, 41000 Zagreb
City: 10000 - Zagreb, Croatia
Communication
Phone: 385 (0)1/442600
Fax: 385 (0)1/416621
E-mail: Szavits@master.grad.hr
Summary: Research aims to revise and enhance the current knowledge of stress-strain behaviour of water saturated sands under cyclic loading in the range of small and medium strains. Experiments on sand samples in the triaxial apparatus are part of the project. Measurements of strains will be enhanced by Hall-effect transducers mounted inside the triaxial cell chamber on the sample sides. Stress-strain relationships obtained by the experimental program will be used to formulate a constitutive equation for sands. The constitutive equation will be used in an appropriate computer program for the analysis of earth structures under seismic loadings.

Keywords: sand, cyclic loading, constitutive equation, traxial apparatus, liquefaction, strains

Research goals: - Determination of influence of drained and undrained conditions on stress-strain behaviour under cyclic loading under various initial stresses and densities; - Formulation of a unique constitutive equation for sands under monotonic and cyclic loadings; - Implementation of the developed constitutive equation into an appropriate computer program for simulation of the behaviour of foundation soils under various loads including earthquakes; This would enhance the design of engineering structures founded on potentially unstable soils.

OTHER ACHIEVEMENTS


  1. Name: Postupak mjerenja malih deformacija na uzorku tla u triaksijalnom uređaju u laboratoriju
    Type of achievement: Technology
    Authors: doc.dr. Predrag Kvasnička
Other information about the project.
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Last update: 10/13/95
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