Results 51 to 60 of about 950 (216)

Comparison of the Results of Analytical and Numerical Models of Pre-Reinforcement in Shallow Tunnels

Archives of Civil Engineering, 2017
The steel pipe umbrella is a widely used technology when tunnelling in weak soils in order to create pre-support ahead of the tunnel face. The design of steel pipes is frequently done through simplified analytical approaches which are easy to apply but ...
Peila D., Marchino C., Todaro C., Luciani A.   +3 more
doaj   +1 more source

Study on Vibration Superposition Induced by Dual‐Line Subway Train Operation in Submerged Tunneling Sections

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
Accurately predicting the vibration response when a new tunnel passes beneath an existing double‐track railway represents a major challenge in assessing the environmental impact of urban underground engineering. Traditional numerical simulations rely heavily on noisy field‐measured signals and simplified single‐source assumptions, leading to ...
Yunsi Liu, Yueyuan Huang, Yuxiao Wu, Shikha Binwal   +3 more
wiley   +1 more source

«یادداشت تحقیقاتی» بررسی اثر شکل دره و شعاع قوس بر نتایج آنالیز تراوش سدهای خاکی قوسی با مدل‌سازی عددی سه بعدی [PDF]

هیدرولیک, 2018
گاهی مشاهده می­شود بنا به دلایلی، شکل سدهای خاکی در پلان به صورت قوسی است. یکی از سوالاتی که در این ارتباط مطرح می­شود، اثر این قوس بر روی پدیده تراوش است. در این پژوهش به بررسی عددی تراوش در سدهای خاکی قوسی به صورت سه بعدی پرداخته می­شود. برای این منظور
شهراد جهانگیری, فواد کیلانه ئی, محمود حسنلوراد   +2 more
doaj   +1 more source

Mechanical Characteristics and Collapse Process Simulation of Tunnel Under Seismic Loading During Construction: A Case Study of a Deep Diversion Tunnel in Southwest China

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
To investigate the collapse mechanisms of diversion tunnels during construction under seismic loading, a coupled continuum‐discrete numerical simulation method was employed. Before seismic excitation, the initial support system was generally stable, with minor damage observed at the arch foot and arch crown (damage coefficient <0.033).
Bin Gan, Peiru Li, Gang Tang, Ruilang Cao, Yu Wei, Tengfei Nian   +5 more
wiley   +1 more source

Deformation Analysis of Deep Foundation Pits Based on Fluid–Structure Interaction

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
In foundation pit engineering design, the seepage‐induced impact of groundwater is often oversimplified when calculating the deformation of the retaining structure and the surrounding soil caused by excavation. Moreover, the coupled interaction between groundwater and soil is neglected, causing simulated conditions to deviate from actual site ...
Dong Li, Qisheng Li, Zongchen Han, Guohong Zeng, Yuwen Ju, Arnab Biswas   +5 more
wiley   +1 more source

3D instability analysis of an underground geological repository-an Indian case study

, 2011
Conceptual geological repositories are generally used for disposing spent nuclear wastes containing both high and low level of nuclear radiation and heat. Due to its long-lasting effect, it is imperative to analyze its long-term effect on the surrounding
NARAYAN, PK, DUTT, A, BAJPAI, RK, SINGH, TN, VERMA, AK   +4 more
core   +1 more source

Hydromechanical behavior of a quasi-saturated compacted soils on drying-wetting paths-experimental and numerical approaches

E3S Web of Conferences, 2016
This paper presents an experimental and numerical investigation funded by the French National Project “Terredurable”, which is devoted to the study of soils in quasi-saturated state. The experimental study is focused on the behavior of compacted soils on
Andriantrehina Soanarivo Rinah, Mahmutovic Dino, Taibi Saïd, Boutonnier Luc, Fleureau Jean-Marie   +4 more
doaj   +1 more source

Investigation on the Bearing Capacity Estimation of the High‐Step Dumping Site Foundation in Open‐Pit Coal Mines

Journal of Advanced Transportation, Volume 2026, Issue 1, 2026.
One important determinant of the safety and load‐bearing ability of the disposal area at an open‐pit coal mine’s external dumping site is the foundation’s bearing capacity. For open‐pit coal mines to operate effectively, this capacity must be calculated precisely.
Haoran Li, Kun Ni, Chuang Liu, Jing Zhang, Lingfeng Li, Yiming Zhang, Mustafa Zeybek   +6 more
wiley   +1 more source

Dynamic Numerical Analysis of Seismic Liquefaction and Deformation Failure in Silty Fine Sand of the Main Canal of Xixiayuan Irrigation District

Geofluids, Volume 2026, Issue 1, 2026.
Sand liquefaction has long been one of the key topics in the fields of soil dynamics and geotechnical earthquake engineering. Based on the Zhulong river section project of the main canal in Xixiayuan irrigation district, dynamic parameters of soil and rock masses were obtained through field and laboratory tests.
Fengmin Lu, Liang Zhao, Yingchen Li, Yawen Zhao, Ke Zhang, Jinyu Dong, M.I. Herreros   +6 more
wiley   +1 more source

With FLAC^3D Simulating Analysis the Rock Stability by Stretching Anchor Cables Reinforce on the Reservoir Dam Abutment

, 2011
By studying the geological structure and seepage character, in YanJin bridge reservoir region the harmful geological structure had been reinforced with anchor cable.
Yu Hui Dong, Jiang Liu, Hua Xing
core   +1 more source