METHOD OF SETTING EARTH ANCHOR

METHOD OF SETTING EARTH ANCHOR

PURPOSE:To keep the interval between the inner wall of an excavated pit and an anchor exactly by a method in which an excavated pit having a large- diameter tip portion for fixation is formed, an earth anchor having an expandible tip portion is penetrated into the pit, and the expandible tip portion...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MIYASHITA TERUSHIGE, MATSUSHITA EIJI, SATO KUNIAKI
Format: Patent
Sprache:eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:PURPOSE:To keep the interval between the inner wall of an excavated pit and an anchor exactly by a method in which an excavated pit having a large- diameter tip portion for fixation is formed, an earth anchor having an expandible tip portion is penetrated into the pit, and the expandible tip portion is expanded in the large-diameter tip portion for fixation. CONSTITUTION:A cap 6 is attached to the lower end of 4-PC strands 5, and a corrugated pipe 9 is set around a fixing portion 2. An expandible part consisting of a spirally coiled steel wire 10 is fixed to the periphery of the pipe 9 to form an earth anchor 1. A pit 4 having a large-diameter fixing portion is excavated, the anchor 1 is penetrated into the pit 4, and a stick-shaped stopper 11 is pulled out through a rope 12. The wire 10 is expanded outwards, thereby keeping the interval between the inner wall of the pit 4 and the anchor 1 constant.