Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Behavior of Geosynthetics-Strengthened Saturated Cushion Layer in Disconnected Piled-Raft System Under Seismic Loading
https://orcid.org/http://orcid.org/0000-0003-1304-0303
The geosynthetic reinforcement has been widely used in earthen structures, such as in geosynthetic-reinforced pile-supported embankments and buried pipes which reduces the vertical stresses on the buried structures and consequently reduces the soil arching and soil degradation under local loading. The soil arching had been investigated previously using trapdoor tests under soil self-weight and/or uniform surcharge, but the effects of using geosynthetic material in reinforcement of the cushion layer in disconnected piled-raft system under seismic loading in saturated sandy soil have been investigated in this work. This study addresses the settlement and mitigation of the acceleration in the foundation under seismic load by conducting a series of physical model tests using a shaking table. The degradation of the cushion layer soil in a saturated state and the reinforcement of the cushion layer with one, two, and three layers of geosynthetic materials with different thicknesses of cushion layer will be investigated to understand the interaction mechanisms between raft-cushion-piles-soil. The results of tests showed increasing the settlement of disconnected piled-raft systems with increasing the thickness of the cushion layer, but the reinforcement of such layer with two layers of geosynthetic materials will reduce settlement better than using one layer of geosynthetic material.
Behavior of Geosynthetics-Strengthened Saturated Cushion Layer in Disconnected Piled-Raft System Under Seismic Loading
https://orcid.org/http://orcid.org/0000-0003-1304-0303
The geosynthetic reinforcement has been widely used in earthen structures, such as in geosynthetic-reinforced pile-supported embankments and buried pipes which reduces the vertical stresses on the buried structures and consequently reduces the soil arching and soil degradation under local loading. The soil arching had been investigated previously using trapdoor tests under soil self-weight and/or uniform surcharge, but the effects of using geosynthetic material in reinforcement of the cushion layer in disconnected piled-raft system under seismic loading in saturated sandy soil have been investigated in this work. This study addresses the settlement and mitigation of the acceleration in the foundation under seismic load by conducting a series of physical model tests using a shaking table. The degradation of the cushion layer soil in a saturated state and the reinforcement of the cushion layer with one, two, and three layers of geosynthetic materials with different thicknesses of cushion layer will be investigated to understand the interaction mechanisms between raft-cushion-piles-soil. The results of tests showed increasing the settlement of disconnected piled-raft systems with increasing the thickness of the cushion layer, but the reinforcement of such layer with two layers of geosynthetic materials will reduce settlement better than using one layer of geosynthetic material.
Behavior of Geosynthetics-Strengthened Saturated Cushion Layer in Disconnected Piled-Raft System Under Seismic Loading
https://orcid.org/http://orcid.org/0000-0003-1304-0303
The geosynthetic reinforcement has been widely used in earthen structures, such as in geosynthetic-reinforced pile-supported embankments and buried pipes which reduces the vertical stresses on the buried structures and consequently reduces the soil arching and soil degradation under local loading. The soil arching had been investigated previously using trapdoor tests under soil self-weight and/or uniform surcharge, but the effects of using geosynthetic material in reinforcement of the cushion layer in disconnected piled-raft system under seismic loading in saturated sandy soil have been investigated in this work. This study addresses the settlement and mitigation of the acceleration in the foundation under seismic load by conducting a series of physical model tests using a shaking table. The degradation of the cushion layer soil in a saturated state and the reinforcement of the cushion layer with one, two, and three layers of geosynthetic materials with different thicknesses of cushion layer will be investigated to understand the interaction mechanisms between raft-cushion-piles-soil. The results of tests showed increasing the settlement of disconnected piled-raft systems with increasing the thickness of the cushion layer, but the reinforcement of such layer with two layers of geosynthetic materials will reduce settlement better than using one layer of geosynthetic material.
Behavior of Geosynthetics-Strengthened Saturated Cushion Layer in Disconnected Piled-Raft System Under Seismic Loading
Indian Geotech J
Jihad, Amer (Autor:in) / Karkush, Mahdi (Autor:in)
Indian Geotechnical Journal ; 54 ; 2062-2075
01.12.2024
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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