PROCEEDINGS OF TUNNEL ENGINEERING, JSCE
Online ISSN : 1884-9091
ISSN-L : 1345-0832
REPORT ON THE RESULTS OF HIGH SPEED DRILLING OF A ROUND VERTICAL SHAFT USING A RATIONAL VERTICAL SHAFT CONSTRUCTION METHOD
Taiichi OKADATakahiro HOSHINOAkira YOSHINOFumitaka ICHINOSEKITakeru TANAKA
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JOURNAL FREE ACCESS

1996 Volume 6 Pages 351-356

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Abstract
This report describes the drilling of a deep vertical shaft in a short period of time while preserving the environment and maintaining safety at a narrow site nearby residential dwelling.
The method of drilling, newly developed, integrates use of a reverse-circulation-drill for vertical shaft excavation, round steel supports for earth retention, and caisson using pressurizing.
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© by Japan Society of Civil Engineers
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