ANALYSIS AND PREDICTION OF CONSOLIDATION SETTLEMENT OF NORMALLY CONSOLIDATED CLAY FOUNDATION UNDER EMBANKMENT LOADING

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概要

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• Piecewise linear approximation technique is newly applied for describing multi-dimensional elasto-plastic consolidation deformation behaviour of a normally consolidated clay foundation. The stiffness factor of clay foundation in terms of effective stresses can be determined from time to time by applying the linearization technique to observations of non-linear consolidation deformation behaviour of the foundation. When gradual load application such as an execution stage of embanking with finite width is considered, although shear deformation of the clay should proceed under partially drained condition, the stiffness factor of the clay foundation is still found to deteriorate. On the other hand, when consolidation becomes more predominant than shear deformation, the stiffness factor will recover its value from the deteriorated state. This is typically found just after the finish of embanking, although consolidation never proceeds without the occurrence of a considerable amount of shear deformation even in the halt of external loading. Thus, it is found that the partially drained behaviour of clay deformation in which consolidation proceeds with shear deformation is well described by monitoring the process of deterioration and recovery of the stiffness factor of a clay foundation. The piecewise linear approximation technique gives this monitoring procedure. The developed procedure is applied to the observational method of predicting consolidation settlement.

• 社団法人地盤工学会の論文
• 1988-09-15

著者

• 浅岡 顕

  Department of Civil Engineering, Nagoya University

• 浅岡 顕

  Department Of Civil And Geotechnical Engineering Nagoya University

• 三隅 浩二

  Department of Ocean Civil Engineering, Kagoshima University

• 三隅 浩二

  Department Of Ocean Civil Engineering Kagoshima University

関連論文

• AN ELASTO-PLASTIC DESCRIPTION OF TWO DISTINCT VOLUME CHANGE MECHANISMS OF SOILS
• SIMULATION OF SHEAR AND ONE-DIMENSIONAL COMPRESSION BEHAVIOR OF NATURALLY DEPOSITED CLAYS BY SUPER/SUBLOADING YIELD SURFACE CAM-CLAY MODEL
• MODEL TESTS AND THEORETICAL ANALYSIS OF REINFORCED SOIL SLOPES WITH FACING PANELS
• UNDRAINED SHEAR STRENGTH OF CLAY IMPROVED WITH SAND COMPACTION PILES
• SEEPAGE FAILURE EXPERIMENTS AND THEIR ANALYSES OF LOOSE AND MEDIUM DENSE SANDS
• ELASTO-PLASTIC BEHAVIOR OF NATURALLY DEPOSITED CLAY DURING/AFTER SAMPLING
• SUPERLOADING YIELD SURFACE CONCEPT FOR HIGHLY STRUCTURED SOIL BEHAVIOR
• COUPLING ANALYSES OF LIMITING EQUILIBRIUM STATE FOR NORMALLY CONSOLIDATED AND LIGHTLY OVERCONSOLIDATED SOILS
• BEARING CAPACITY ANALYSIS OF A NORMALLY CONSOLIDATED CLAY FOUNDATION
• Editor in Chief, Soils and Foundations
• Prediction of the Partially Drained Behavior of Soft Clays under Embankment Loading(浅岡顕,中野正樹,松尾稔著,本誌Vol.32,No.1,1992年3月掲載)
• OBSERVATIONAL PROCEDURE OF SETTLEMENT PREDICTION
• 軟弱地盤上の盛土の信頼性設計
• 正規圧密粘土地盤の盛土荷重による圧密沈下の解析と予測
• ANALYSIS AND PREDICTION OF CONSOLIDATION SETTLEMENT OF NORMALLY CONSOLIDATED CLAY FOUNDATION UNDER EMBANKMENT LOADING
• DISPLACEMENT/TRACTION BOUNDARY CONDITIONS REPRESENTED BY CONSTRAINT CONDITIONS ON VELOCITY FIELD OF SOIL
• PROGRESSIVE CONSOLIDATION SETTLEMENT OF NATURALLY DEPOSITED CLAYEY SOIL UNDER EMBANKMENT LOADING
• EFFECTS OF CHANGES IN GEOMETRY ON THE LINEAR ELASTIC CONSOLIDATION DEFORMATION
• MASS PERMEABILITY CONCEPT IN THE ANALYSIS OF TREATED GROUND WITH SAND DRAINS
• SOIL-WATER COUPLED BEHAVIOR OF HEAVILY OVERCONSOLIDATED CLAY NEAR/AT CRITICAL STATE
• ANNEALABLE BEHAVIOUR OF SATURATED CLAY : AN EXPERIMENT AND SIMULATION
• IMPERFECTION-SENSITIVE BIFURCATION OF CAM-CLAY UNDER PLANE STRAIN COMPRESSION WITH UNDRAINED BOUNDARIES
• PREDICTION OF THE PARTIALLY DRAINED BEHAVIOR OF SOFT CLAYS UNDER EMBANKMENT LOADING
• PREDICTION OF THE PARTIALLY DRAINED BEHAVIOR OF SOFT CLAYS UNDER EMBANKMENT LOADING

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