ASSEMBLY-TYPE BOX-SHAPED MANHOLE

To provide an assembly-type box-shaped manhole capable of structuring an ultra-large manhole using a precast box-shaped block and remarkably improved in bending bearing force and torsion bearing force at a joint part between a pair of split pieces formed by dividing the box-shaped block.SOLUTION: An...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SAKAI TOKUJI, GOTO TOMOYUKI, TERADA IKUO, OKI NORIYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CESSPOOLS EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SEWERAGE SEWERS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES WATER SUPPLY
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