GROUND LOOSENING DEVICE

GROUND LOOSENING DEVICE

PURPOSE:To shorten a term of works while reducing costs by mounting water and air jet means to a pile unit while mounting the unit a vibro-hammer. CONSTITUTION:The original ground is loosened by vibration while press- inserting a steel pipe 20 into the original ground by a vibro-hammer. In a water j...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: TAKETSUKA MASATAKA
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 shorten a term of works while reducing costs by mounting water and air jet means to a pile unit while mounting the unit a vibro-hammer. CONSTITUTION:The original ground is loosened by vibration while press- inserting a steel pipe 20 into the original ground by a vibro-hammer. In a water jet device, water is jetted into the original ground from the water jet port 30a of each water pipe 30. Soil sediment is lifted by jetted air into the original ground from the air jet port 40a of each air pipe 4 to generate an upward flow in water in the original ground, by an air lift device. Further the soil sediment and water, lifted in the steel pipe 20, are discharged from its slit 21.