DAMPER OF VIBRATION PILE DRIVER

PURPOSE:To improve operation efficiency by providing an added weight on the immovable portion at the upper side of a damper and relatively increasing the weight of the immovable portion side over a particular ratio with respect to that of a vibration portion side. CONSTITUTION:An immovable portion,...

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Bibliographic Details
Main Authors MIZUTA SADACHIKA, EGAWA KIKUJI
Format Patent
LanguageEnglish
Published 18.06.1990
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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