EARTH RETAINING WALL FOR SHIELD EXCAVATING

To provide an earth retaining wall for shield excavating that can densify the placed position and its periphery and retain an underground structure in a stable state for a long time.SOLUTION: An earth retaining wall for shield excavating according to the present invention is used when excavating by...

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Bibliographische Detailangaben
Hauptverfasser:	KARIKAYA KOICHI, SAITO AKANE, KURODA TAKEO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	To provide an earth retaining wall for shield excavating that can densify the placed position and its periphery and retain an underground structure in a stable state for a long time.SOLUTION: An earth retaining wall for shield excavating according to the present invention is used when excavating by a shield method. The earth retaining wall for shield excavating includes an earth retaining wall body and an ion emissive chemical compound capable of discharging a cation or an anion. The ion emissive chemical compound can produce a water-insolubility salt.SELECTED DRAWING: None 【課題】設置した箇所及びその周囲を緻密化し、地下構造物を長期に安定した状態に保持することができるシールド掘削用土留め壁を提供する。【解決手段】本発明に係るシールド掘削用土留め壁は、シールド工法により掘削するときに用いられるシールド掘削用土留め壁であり、前記シールド掘削用土留め壁が、土留め壁本体と、陽イオン又は陰イオンを放出可能なイオン放出性化合物とを含み、前記イオン放出性化合物が、難水溶性塩を生成可能である。【選択図】なし