AN EXPERIMENTAL STUDY ON THE PERFORMANCE OF FULL SCALE GEOGRID REINFORCED EMBANKMENT
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概要
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A full scale embankment (height 6.25m, front slope 1:0.2, fill material: dry sand) is constructed by reinforcing with geogrids and these are successively disconnected by passing electricity through the nichrome wire which are intertwined in advance. With the decrease of the number of reinforcing grids the embankment gradually loses the stability and finally collapses when all the grids are disconnected.In the present research the fracture behaviors of the embankment are observed at every stage of grid-disconnection and the analysis on fracture phenomenon is conducted by the conventional limit equilibrium method. It was learnt that the effects of the pseudo retaining wall (width 70cm) formed by the pile of sandbags sandwiched by geogrids on the front slope is required to be taken into consideration in the stability analysis of the embankment. In that the collapse-phenomenon of the embankment without reinforcement is fully explained and understood as a result of the study.
- 国際ジオシンセティックス学会 日本支部の論文
国際ジオシンセティックス学会 日本支部 | 論文
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