Deterministic and Probabilistic Analysis of the Effect of Tunnel Location on Slope Stability – Application to the Eisenhower-Johnson Memorial Tunnel

Gutierrez, Marte; Baeza-Faundez, Simon

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Deterministic and Probabilistic Analysis of the Effect of Tunnel Location on Slope Stability – Application to the Eisenhower-Johnson Memorial Tunnel

Supporting Files

2022-10-31
By Gutierrez, Marte ; Baeza-Faundez, Simon

File Language:

English

Details

Creators:

Gutierrez, Marte ; Baeza-Faundez, Simon
Corporate Creators:

University Transportation Center for Underground Transportation Infrastructure ; Colorado School of Mines
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
Subject/TRT Terms:
Publication/ Report Number:

Report No. 11
Resource Type:

Tech Report
Geographical Coverage:

Colorado;United States
Corporate Publisher:

University Transportation Center for Underground Transportation Infrastructure (UTC)
Abstract:

Subsurface characterization in mountainous terrain is complex, requiring extensive analysis to optimize tunnel alignment based on rock quality, support systems, and groundwater flow. However, slope stability is often underexamined, especially for tunnels aligned parallel to slope faces. This is due to the rapidly changing terrain geometry, which increases the cost of detailed 3D modeling, leading to reliance on 2D simulations. This study uses the Eisenhower-Johnson Memorial Tunnel (EJMT) in Colorado to determine the minimum distance from the slope face at which slope stability is unaffected. Results from 600 simulations show stability improves as tunnels move deeper, with interaction minimized beyond 5.5 tunnel diameters. The study also includes access road considerations and a 3D analysis for perpendicular alignments.
Content Notes:

Zenodo data archive: https://zenodo.org/communities/utc-uti
Format:

PDF
Funding:

69A355174711
Download URL:

https://rosap.ntl.bts.gov/view/dot/83410/dot_83410_DS1.pdf
File Type:

[PDF - 3.65 MB]
Collection(s):

University Transportation Centers
Main Document Checksum:

urn:sha-512:4b39046fc6dc65a94decd98df95af49ce7659924cd5a44282181d8e0495727c17caf51d122d9e06ac8b72e826b2a2a7e677da86e7ff856d6ca57b94502b83641

Zenodo Data Archive

html

File Language:

English

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