METHOD OF CONSTRUCTING COFFERDAM FOR UNDERWATER STRUCTURE AND STRUCTURE FOR COFFERDAM

METHOD OF CONSTRUCTING COFFERDAM FOR UNDERWATER STRUCTURE AND STRUCTURE FOR COFFERDAM

PROBLEM TO BE SOLVED: To further enhance the level of water cut-off by an elastic member when the periphery of an underwater structure is brought into a waterless dry working environment. SOLUTION: This structure for a cofferdam comprises a working caisson 16 having one or more steel shells and the...

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Bibliographische Detailangaben
Hauptverfasser: TAKAHASHI TAKESHI, SUEDA AKIRA, KAMIYANAGI YOSHIAKI
Format: Patent
Sprache:eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To further enhance the level of water cut-off by an elastic member when the periphery of an underwater structure is brought into a waterless dry working environment. SOLUTION: This structure for a cofferdam comprises a working caisson 16 having one or more steel shells and the elastic seal member 24 attached to the bottom of the working caisson 16. A lateral deformation prevention member 26 for preventing the elastic seal member 24 from being deformed inward of the working caisson 16 is disposed on at least a part of the inner periphery of the elastic seal member 24. Even if the elastic member 24 hydraulically receives a horizontal force, the fixing water cut-off function of the elastic seal member is not reduced. COPYRIGHT: (C)2009,JPO&INPIT