Neuenberg tunnel

Neuenberg tunnel
	The northwest portal
traffic connection	Mannheim – Stuttgart high-speed line
place	Bruchsal
length	761 m
Number of tubes	1
Largest coverage	21 m
construction
Client	German Federal Railroad
building-costs	approx. 33 million German marks
start of building	March 27, 1987 ( attack )
completion	May 11, 1988 ( carbon copy )
planner	Planungsbüro Obermeyer, Society for Planning in Construction mbH
business
operator	DB network
release	1991
location
Coordinates
West portal	49 ° 6 ′ 40 " N , 8 ° 40 ′ 42" E
East portal	49 ° 6 ′ 27 ″ N , 8 ° 41 ′ 15 ″ E

Map with all coordinates: OSM | WikiMap

The Neuenberg Tunnel is a 761 m long railway tunnel on the Mannheim – Stuttgart high-speed line in the Bruchsal district of Baden-Württemberg .

course

The structure passes under the wooded ridge of the Großer Wald between the Kraich and Saalbachtal between Oberacker and Heidelsheim . The tube accommodates two tracks that can be driven on at a speed of 250 km / h.

The north portal is (as of 1986) at km 50.878, the south portal at km 51.639. The route runs straight in the tunnel.

The gradient rises continuously from the north portal ( upper edge of the rail at a height of 199.46 m above sea level ) to the south portal: initially (up to km 51.312) with 12.401 per thousand, then with 6.0575 per thousand. At the south portal the upper edge of the rail is at a height of 206.63 m. The cover is up to 21 m.

Covering layers of the Quaternary with gypsum keuper are driven under in the northern and southern thirds, while in the middle third the tunnel was covered with deposits. This part is part of the Großer Wald landfill , into which around 1.2 million cubic meters of mass were deposited over an area of 15.5 hectares. The production costs were reduced by 1,986 to 4.5 million Deutschmark appreciated.

history

planning

At the beginning of 1983 the structure was planned with a length of 762 m.

construction

Between December 1985 and the end of 1986, a 255 m long protective cover was first installed for the later central section of the tunnel. The valley basin there, Großer Wald , between the Kraichbach and Saalbachtal valleys , was then filled with around 1.2 million cubic meters of excess material. This mass came from the tunnel construction and cuts between the Oberbruch viaduct and the Simonsweingarten tunnel . The area was then reforested .

The attack was celebrated on March 27, 1987, and the breakthrough on May 11, 1988.

Carla Doll, the wife of the Mayor of Bruchsal at the time, acted as tunnel sponsor .

The shell of the tunnel was completed in mid-1989.

ARGE Neuenberg Tunnel from the companies Beton- und Monierbau ( Stuttgart ) and Wix & Liesenhoff (Stuttgart) was commissioned with the construction . The structure was driven by Austrian miners .

The total production costs for the building amounted to DM 33 million. Extrapolated with the consumer price index , this corresponds to around 30,000,000 euros based on today's price level.

Installation

The tunnel went into operation with the start of regular operations on June 2, 1991.

Construction engineering

The excavated cross-section was around 148 m². The mining sections were built entirely using shotcrete . They received an outer shell at least 30 cm thick. The water-impermeable inner shell has a diameter of 50 cm.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Deutsche Bundesbahn (Ed.): Neuenberg Tunnel . Data sheet (2 A4 pages), no location, no year (approx. 1986).
↑ ^a ^b ^c ^d ^e NBS M / S: The shell of the Neuenberg tunnel is finished . In: Die Bundesbahn , year 65 (1989), issue 7, ISSN 0007-5876 , p. 591.
↑ Deutsche Bundesbahn (Ed.): Seitenablagung Großer Wald . Two-page data sheet, approx. 1986.
↑ New Mannheim – Stuttgart line. Overview map 1: 100 000 . As of January 1983.
^ Project group M / S of Bahnbauzentrale (publisher): New Mannheim – Stuttgart line: a concept for all of us . 28-page brochure from January 1986, Karlsruhe, 1986, p. 27.

[db-1986-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Deutsche Bundesbahn (Ed.): Neuenberg Tunnel . Data sheet (2 A4 pages), no location, no year (approx. 1986).

[bundesbahn-65-591-2] NBS M / S: The shell of the Neuenberg tunnel is finished . In: Die Bundesbahn , year 65 (1989), issue 7, ISSN 0007-5876 , p. 591.

[db-1986b-3] Deutsche Bundesbahn (Ed.): Seitenablagung Großer Wald . Two-page data sheet, approx. 1986.

[db-1983-01-4] New Mannheim – Stuttgart line. Overview map 1: 100 000 . As of January 1983.

[konzept-1986-5] Project group M / S of Bahnbauzentrale (publisher): New Mannheim – Stuttgart line: a concept for all of us . 28-page brochure from January 1986, Karlsruhe, 1986, p. 27.