Geological basics, geotechnical design and lining of the new headrace system for the Rodundwerk I

Reinhold Gerstner; Christopher Dich; Franz Tschuchnigg; Lukas Bickel

doi:10.1002/geot.201900009

Geological basics, geotechnical design and lining of the new headrace system for the Rodundwerk I

Titel in Übersetzung: Geologische Grundlagen, geotechnische Planung und Auskleidung des neuen Kraftabstiegs Rodundwerk I

Reinhold Gerstner, Christopher Dich, Franz Tschuchnigg, Lukas Bickel

Publikation: Beitrag in einer Fachzeitschrift › Artikel › Begutachtung

Abstract

Aktuell arbeitet die Vorarlberger Illwerke AG an der Neukonzeption des Kraftabstiegs zum Rodundwerk I. Der Altbestand besteht aus einem oberen Druckstollen, einem Schrägschacht, einem
unteren Druckstollen samt der Verteilrohrleitung zu den vier Turbinen und einer Pumpe. Felsmechanisch bedingt werden dieselben Triebwasserabschnitte mit einer optimierten Trassenführung im Nahbereich des verbleibenden Altbestands errichtet. Für die
optimierte Trassenführung wurden mittels 2D-Analysen ausführbare Möglichkeiten isoliert. Die zur Ausführung gelangende Variante wurde mittels einer 3D-Analyse bestätigt und deren
Ergebnisse bilden die Grundlage der Festlegung der Auskleidungsbereiche und somit der Bemessung der einzelnen Auskleidungsarten.
Im vorliegenden Beitrag werden einleitend die geologischen Randbedingungen und die Erkenntnisse aus dem Altbestand, die in der 2D FE-Analyse vermuteten und durch die 3D FE-Analyse bestätigten neuen Erkenntnisse und die daraus resultierende Trassenwahl erläutert. Abschließend werden aus
geologischer und geotechnisch-felsmechanischer Sicht die Grundlagen des Auskleidungskonzepts vorgestellt.

Titel in Übersetzung	Geologische Grundlagen, geotechnische Planung und Auskleidung des neuen Kraftabstiegs Rodundwerk I
Originalsprache	englisch
Seiten (von - bis)	228-236
Seitenumfang	9
Fachzeitschrift	Geomechanics and Tunnelling
Jahrgang	12
Ausgabenummer	3
DOIs	https://doi.org/10.1002/geot.201900009
Publikationsstatus	Veröffentlicht - 7 Juni 2019

Zugriff auf Dokument

10.1002/geot.201900009

Dieses zitieren

@article{2d60575af8494417be721b5c31e0d4f9,

title = "Geological basics, geotechnical design and lining of the new headrace system for the Rodundwerk I",

abstract = "The Vorarlberger Illwerke AG is currently working on redesigning the headrace system to the existing Rodundwerk I. The old power water way consists of an upper pressure tunnel, a penstock, a lower pressure tunnel along with the distribution pipeline to the four turbines and a pump. The same headwater sections are being constructed with an optimized route in the immediate vicinity of the existing structure. For the optimized layout of the new headrace, system options were isolated by means of 2D analyses. The variant for construction was investigated by means of a 3D analysis and the obtained results are the basis of the definition of the lining areas and thus the dimensioning of the individual types of lining. The present contribution deals with the geological boundary conditions, the findings from the old headrace, the assumptions and the resulting layout of the redesign. Finally, the basics of the lining concept and the design results are presented.",

author = "Reinhold Gerstner and Christopher Dich and Franz Tschuchnigg and Lukas Bickel",

year = "2019",

month = jun,

day = "7",

doi = "10.1002/geot.201900009",

language = "English",

volume = "12",

pages = "228--236",

journal = "Geomechanics and Tunnelling ",

issn = "1865-7362",

publisher = "Ernst & Sohn",

number = "3",

}

TY - JOUR

T1 - Geological basics, geotechnical design and lining of the new headrace system for the Rodundwerk I

AU - Gerstner, Reinhold

AU - Dich, Christopher

AU - Tschuchnigg, Franz

AU - Bickel, Lukas

PY - 2019/6/7

Y1 - 2019/6/7

N2 - The Vorarlberger Illwerke AG is currently working on redesigning the headrace system to the existing Rodundwerk I. The old power water way consists of an upper pressure tunnel, a penstock, a lower pressure tunnel along with the distribution pipeline to the four turbines and a pump. The same headwater sections are being constructed with an optimized route in the immediate vicinity of the existing structure. For the optimized layout of the new headrace, system options were isolated by means of 2D analyses. The variant for construction was investigated by means of a 3D analysis and the obtained results are the basis of the definition of the lining areas and thus the dimensioning of the individual types of lining. The present contribution deals with the geological boundary conditions, the findings from the old headrace, the assumptions and the resulting layout of the redesign. Finally, the basics of the lining concept and the design results are presented.

AB - The Vorarlberger Illwerke AG is currently working on redesigning the headrace system to the existing Rodundwerk I. The old power water way consists of an upper pressure tunnel, a penstock, a lower pressure tunnel along with the distribution pipeline to the four turbines and a pump. The same headwater sections are being constructed with an optimized route in the immediate vicinity of the existing structure. For the optimized layout of the new headrace, system options were isolated by means of 2D analyses. The variant for construction was investigated by means of a 3D analysis and the obtained results are the basis of the definition of the lining areas and thus the dimensioning of the individual types of lining. The present contribution deals with the geological boundary conditions, the findings from the old headrace, the assumptions and the resulting layout of the redesign. Finally, the basics of the lining concept and the design results are presented.

U2 - 10.1002/geot.201900009

DO - 10.1002/geot.201900009

M3 - Article

SN - 1865-7362

VL - 12

SP - 228

EP - 236

JO - Geomechanics and Tunnelling

JF - Geomechanics and Tunnelling

IS - 3

ER -

Geological basics, geotechnical design and lining of the new headrace system for the Rodundwerk I

Abstract

Zugriff auf Dokument

Fingerprint

Dieses zitieren