Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
To provide an embankment structure in which an embankment layer is formed on a non-liquefied layer on a liquefied layer and which can prevent an embankment from being washed away by sand boils.SOLUTION: An embankment structure includes functions of preventing the entry of and draining groundwater 105 due to sand boils from a liquefied layer 100 to an embankment layer 103 built on a non-liquefied layer 101 on the liquefied layer 100. The embankment structure is characterized by including an impermeable layer 1 that is provided on a layer boundary 102 of the non-liquefied layer 101 to be banked before building the embankment layer 103 on the non-liquefied layer 101 on the liquefied layer 100, and that prevents the groundwater 105 from passing through the embankment layer 103 due to sand boils from the liquefied layer 100; and draining means 2 that drains the groundwater 105 spouting together with sand boils and flowing down along a lower surface 12 of the impermeable layer 1.SELECTED DRAWING: Figure 1
【課題】液状化層の上の非液状化層の上に盛土層を構成する盛土構造において、噴砂により盛土が流される被害を防止できるようにした盛土構造を提供する。【解決手段】液状化層１００の上の非液状化層１０１の上に造成される盛土層１０３への液状化層１００からの噴砂に伴う地下水１０５の侵入防止機能及び排水機能を備えた盛土構造であって、液状化層１００の上の非液状化層１０１の上に盛土層１０３を造成する前に、盛土予定の非液状化層１０１の層境界１０２に設けられて液状化層１００からの噴砂に伴う地下水１０５の盛土層１０３への透過を防止する不透水層１と、噴砂に伴って噴出して不透水層１の下面１２に沿って流下した地下水１０５を排水する排水手段２とを備えたことを特徴とする。【選択図】図１
To provide an embankment structure in which an embankment layer is formed on a non-liquefied layer on a liquefied layer and which can prevent an embankment from being washed away by sand boils.SOLUTION: An embankment structure includes functions of preventing the entry of and draining groundwater 105 due to sand boils from a liquefied layer 100 to an embankment layer 103 built on a non-liquefied layer 101 on the liquefied layer 100. The embankment structure is characterized by including an impermeable layer 1 that is provided on a layer boundary 102 of the non-liquefied layer 101 to be banked before building the embankment layer 103 on the non-liquefied layer 101 on the liquefied layer 100, and that prevents the groundwater 105 from passing through the embankment layer 103 due to sand boils from the liquefied layer 100; and draining means 2 that drains the groundwater 105 spouting together with sand boils and flowing down along a lower surface 12 of the impermeable layer 1.SELECTED DRAWING: Figure 1
【課題】液状化層の上の非液状化層の上に盛土層を構成する盛土構造において、噴砂により盛土が流される被害を防止できるようにした盛土構造を提供する。【解決手段】液状化層１００の上の非液状化層１０１の上に造成される盛土層１０３への液状化層１００からの噴砂に伴う地下水１０５の侵入防止機能及び排水機能を備えた盛土構造であって、液状化層１００の上の非液状化層１０１の上に盛土層１０３を造成する前に、盛土予定の非液状化層１０１の層境界１０２に設けられて液状化層１００からの噴砂に伴う地下水１０５の盛土層１０３への透過を防止する不透水層１と、噴砂に伴って噴出して不透水層１の下面１２に沿って流下した地下水１０５を排水する排水手段２とを備えたことを特徴とする。【選択図】図１
EMBANKMENT STRUCTURE
盛土構造
OGAWA ATSUSHI (Autor:in)
10.10.2019
Patent
Elektronische Ressource
Japanisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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