SOIL ROADBED REPLACEMENT METHOD

PROBLEM TO BE SOLVED: To provide a soil roadbed replacement method which can reinforce and enhance the bearing capacity of a soil roadbed in a short time and suppress subsidence of structures on the roadbed such as tracks and road surfaces.SOLUTION: An earth auger drilling machine 1 drills without t...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAJIMA SATOSHI, TAKAHASHI SAKIKO, NAGAO TATSUJI, ASARI KAZUMASA, IZAI NOBORU, SATO HARUO
Format:	Patent
Sprache:	eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MACHINES FOR MAKING RAILWAYS OF ALL KINDS PERMANENT WAY PERMANENT-WAY TOOLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a soil roadbed replacement method which can reinforce and enhance the bearing capacity of a soil roadbed in a short time and suppress subsidence of structures on the roadbed such as tracks and road surfaces.SOLUTION: An earth auger drilling machine 1 drills without timbering a borehole h of a prescribed diameter in the soft portion of a soil roadbed to a prescribed depth. Water is added to a filler containing cement for mixing them and filling the borehole h with them. A part of the soft portion of the soil roadbed is replaced by a column C of the filler to reinforce the bearing capacity of the entire soil roadbed.