Results 21 to 30 of about 66,396 (230)

Influence of Lower Double-Track Tunnel Spacing on the Stress and Deformation Characteristics of Upper Tunnel in Double-Level Condominium Tunnels

open access: yesGeofluids, 2022
The open-cut tunnels in Aixi Lake, Nanchang, are constructed in a condominium form of highway tunnel and subway tunnel, which are the first superimposed double-level tunnels in China.
Huang Zhanjun   +5 more
doaj   +1 more source

Arguments for a "U.S. Kamioka": SNOLab and its Implications for North American Underground Science Planning [PDF]

open access: yes, 2006
We argue for a cost-effective, long-term North American underground science strategy based on partnership with Canada and initial construction of a modest U.S. Stage I laboratory designed to complement SNOLab.
Aalseth   +22 more
core   +1 more source

Deformation Response and Safety Evaluation of Buildings Affected by Subway-Station Construction

open access: yesAdvances in Civil Engineering, 2021
Based on the sand and pebble stratum in the Beijing area, this paper studies the interaction between deep-foundation-pit excavation for subway stations and surrounding buildings using an orthogonal test.
Chunlei Feng   +3 more
doaj   +1 more source

Field experimental study of traffic-induced turbulence on highways [PDF]

open access: yes, 2012
This paper is focused on traffic-induced turbulence (TIT) analysis from a field campaign performed in 2011, using ultrasonic anemometers deployed in the M-12 Highways, Madrid (Spain). The study attempts to improve knowledge about the influence of traffic-
Alonso-Estébanez, A.   +4 more
core   +3 more sources

Estimation of the Occurrence Time of Thaumasite Sulfate Attack on Tunnel Lining Concrete

open access: yesAdvances in Civil Engineering, 2020
The thaumasite sulfate attack (TSA) on tunnel concrete structure has been reported increasingly in the past decades. Previous investigations on the formation of thaumasite were focused on identifying the deterioration products and reaction mechanisms ...
Chongbang Xu   +3 more
doaj   +1 more source

Settlement Analysis of Saturated Tailings Dam Treated by CFG Pile Composite Foundation

open access: yesAdvances in Materials Science and Engineering, 2016
Cement fly ash gravel (CFG) pile composite foundation is an effective and economic foundation treatment approach, which is significant to building foundation, subgrade construction, and so forth.
Jinxing Lai   +3 more
doaj   +1 more source

Quantitative Evaluation of Ground Movements Caused by Grouting during Shield Tunnelling in Clay

open access: yesAdvances in Civil Engineering, 2019
Grouting has been deemed as one of the most effective measures for mitigation of ground movements during tunnel construction in soft soil. Notwithstanding that, a reliable measure to quantitatively evaluate the grouting-induced ground movements during ...
Zhi-Feng Wang   +2 more
doaj   +1 more source

Experimental Study on the Effect of Freezing and Thawing on the Shear Strength of the Frozen Soil in Qinghai-Tibet Railway Embankment

open access: yesAdvances in Civil Engineering, 2022
The direct shear tests of different dry density and moisture content samples at different temperatures of the frozen soil in the Qinghai-Tibet Railway embankment between Tanggula South and Anduo section were carried out to analyze the influence rules of ...
B. Wang   +5 more
doaj   +1 more source

Transportation, Terrorism and Crime: Deterrence, Disruption and Resilience [PDF]

open access: yes, 2020
: Terrorists likely have adopted vehicle ramming as a tactic because it can be carried out by an individual (or “lone wolf terrorist”), and because the skills required are minimal (e.g.
Edwards, Frances L., Goodrich, Daniel C.
core   +1 more source

Advances and applications of wind engineering in exceptional terrain

open access: yesJournal of Traffic and Transportation Engineering (English ed. Online)
Wind engineering has made significant strides in addressing the challenges posed by exceptional terrains, where traditional methodologies often fall short.
Jiawu Li   +8 more
doaj   +1 more source

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