BACK-FILLING SYSTEM OF SOIL IN PILE REMOVING, AND BACK-FILLING METHOD OF SOIL

BACK-FILLING SYSTEM OF SOIL IN PILE REMOVING, AND BACK-FILLING METHOD OF SOIL

To provide a back-filling system in pile removing without affecting workability, allowing back-filling of soil corresponding to natural soil, and a back-filling method of the soil.SOLUTION: There is provided a back-filling system S1 for back-filling a cave 300 formed in soil from which a pile is rem...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ENDO MASAMI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:To provide a back-filling system in pile removing without affecting workability, allowing back-filling of soil corresponding to natural soil, and a back-filling method of the soil.SOLUTION: There is provided a back-filling system S1 for back-filling a cave 300 formed in soil from which a pile is removed, in pile removing. The system comprises slurry recovering means 100 for recovering slurry 301 remaining in the pile-removed cave, and back-filling material feeding means 200 for feeding the back-filling material 500 consisting of a mixture of bentonite and silica sand into the cave.SELECTED DRAWING: Figure 1 【課題】施工性に影響を与えない原地盤に相当する地質の埋戻しを行うことが可能な杭撤去時における地盤の埋戻しシステムおよび地盤の埋戻し方法を提供する。【解決手段】杭撤去時において、杭を撤去した地盤に形成される空洞３００を埋め戻す埋戻しシステムＳ１であって、杭を撤去した空洞内に残存する泥水３０１を回収する泥水回収手段１００と、ベントナイトと珪砂との混合物から成る埋戻し材５００を、空洞内に供給する埋戻し材供給手段２００と、を備える。【選択図】図１