A Geotextile Reinforced Embankment for a Four Lane Divided Highway
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Abstract
Geotextile reinforcement was used to construct an embankment foll' a four lane divided highway over up to 22 feet of low strength peat. The embankment had heights up to 7 feet. Special field testing and conventional laboratory tests were performed to measure the shear strength and compressibility. Stability analysis indicated that geotextile reinforcement could be used to construct a stable embankment on the peat deposit, provided the geotextile had sufficient strength to prevent rotational shear failure and to limit lateral deformation of the embankment. Construction of the embankment was begun in late summer of 1984. The highway opened for traffic in late 1985. Performance of the embankment was monitored during and after construction. The design, construction procedures, and results of the settlement monitoring program are presented.
A Geotextile Reinforced Embankment for a Four Lane Divided Highway
Geotextile reinforcement was used to construct an embankment foll' a four lane divided highway over up to 22 feet of low strength peat. The embankment had heights up to 7 feet. Special field testing and conventional laboratory tests were performed to measure the shear strength and compressibility. Stability analysis indicated that geotextile reinforcement could be used to construct a stable embankment on the peat deposit, provided the geotextile had sufficient strength to prevent rotational shear failure and to limit lateral deformation of the embankment. Construction of the embankment was begun in late summer of 1984. The highway opened for traffic in late 1985. Performance of the embankment was monitored during and after construction. The design, construction procedures, and results of the settlement monitoring program are presented.
