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BACKFILLING METHOD FOR DEEP-DIG UNDERWATER DEPRESSION
To provide a backfilling method for an underwater depression of a water bottom which can effectively use viscous soil-based dredge soil.SOLUTION: Construction for backfilling a deep-dig underwater depression of the sea bottom installs viscous soil-based dredge soil to the vicinity of a bottom surface of the underwater depression, and forms a viscous soil layer upward from the bottom surface of the underwater depression, and then further forms a modified soil layer at the original position so as to cover the top of the viscous soil layer by using a modifier in the surface layer part of the viscous soil layer formed in the underwater depression.SELECTED DRAWING: Figure 7
【課題】粘性土系の浚渫土を有効活用することが可能な水底の窪地の埋戻し方法を提供する。【解決手段】海底の深堀窪地を埋め戻す施工において、はじめに、粘性土系の浚渫土を窪地の底面付近に打設し、窪地の底面から上部に向かって粘性土層を形成する。次いで、窪地に形成した粘性土層の表層部に改質材を用いて、粘性土層の上を覆うように、原位置で改質土層を更に形成する。【選択図】図7
BACKFILLING METHOD FOR DEEP-DIG UNDERWATER DEPRESSION
To provide a backfilling method for an underwater depression of a water bottom which can effectively use viscous soil-based dredge soil.SOLUTION: Construction for backfilling a deep-dig underwater depression of the sea bottom installs viscous soil-based dredge soil to the vicinity of a bottom surface of the underwater depression, and forms a viscous soil layer upward from the bottom surface of the underwater depression, and then further forms a modified soil layer at the original position so as to cover the top of the viscous soil layer by using a modifier in the surface layer part of the viscous soil layer formed in the underwater depression.SELECTED DRAWING: Figure 7
【課題】粘性土系の浚渫土を有効活用することが可能な水底の窪地の埋戻し方法を提供する。【解決手段】海底の深堀窪地を埋め戻す施工において、はじめに、粘性土系の浚渫土を窪地の底面付近に打設し、窪地の底面から上部に向かって粘性土層を形成する。次いで、窪地に形成した粘性土層の表層部に改質材を用いて、粘性土層の上を覆うように、原位置で改質土層を更に形成する。【選択図】図7
BACKFILLING METHOD FOR DEEP-DIG UNDERWATER DEPRESSION
深堀窪地の埋戻し方法
AWAZU SHINGO (Autor:in) / HONDA HIDEKI (Autor:in) / SUGAWARA KEISUKE (Autor:in) / AKASHI YUZO (Autor:in) / NONAKA SOICHIRO (Autor:in) / ASADA HIDEYUKI (Autor:in) / SAEGUSA HIROYUKI (Autor:in) / YAMAMOTO YOSHITOMO (Autor:in) / CHIKAMOTO MASAHIKO (Autor:in)
18.01.2022
Patent
Elektronische Ressource
Japanisch
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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