INTER-PANEL JOINT WORK OF UNDERGROUND CONTINUOUS WALL

PURPOSE:To strengthen the joint of an underground continuous wall between panels by introducing a prestress between panels formed by placement of concrete. CONSTITUTION:An iron bar cage 12 with sheaths set in a multi-stage for preceding panels is set in vertical trenches provided at a given interval...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OKAJIMA TOYOYUKI, AIHARA ISAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EMBANKMENTS ENGINEERING ELEMENTS AND UNITS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULIC ENGINEERING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SOIL SHIFTING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To strengthen the joint of an underground continuous wall between panels by introducing a prestress between panels formed by placement of concrete. CONSTITUTION:An iron bar cage 12 with sheaths set in a multi-stage for preceding panels is set in vertical trenches provided at a given interval for the preceding panels. Concrete is placed between partition plates 14a to form a preceding panel 22. A vertical trench 24 for the following panel is excavated, an iron bar cage with sheaths 20b set in a multi-stage for the following panel is set in the vertical trench 24, and concrete is placed to form a following panel 28. The inside ground surrounded by the continuous wall is excavated until the ends of the sheaths 20a and 20b are exposed, the filler inside is removed, and steel materials are penetrated into the sheaths 20a and 20b and tensed to introduced a prestress into the adjacent panels 22 and 28.