Results 71 to 80 of about 116,075 (283)

A novel geophysics and fractal-based approach for predicting engineering geological structures in subsurface underground engineering

International Journal of Coal Science & Technology
Constructing underground structures in coastal regions poses significant challenges, particularly due to seawater intrusion, which can cause corrosion and threaten the safety and stability of the caverns and surrounding facilities.
Shengquan He, Rentao Gou, Biao Cao, Majid Khan, Dazhao Song, Xiaomeng Miao, Jiuzheng Liang, Tuo Chen, Xueqiu He, Zhongquan Kang   +9 more
doaj   +1 more source

Array optimisation for multichannel electrical resistivity tomography instruments [PDF]

, 2007
In recent years there has been considerable research into the selection of near-optimal arrays of electrode configurations that enhance the resolution of electrical resistivity tomography (ERT) images.
J.E. Chambers, O. Kuras, P.B. Wilkinson, P.I. Meldrum, R.D. Ogilvy   +4 more
core   +2 more sources

Blasting effects of cross‐fault deep‐buried excavation on adjacent existing tunnel stability

Deep Underground Science and Engineering, EarlyView.
Based on the theoretical analysis of cylindrical wave propagation in a deep rock mass in the fault with a filling layer, the calculation method of peak particle velocity caused by wave propagation in the existing tunnel is established. The viscoelastic characteristics of a rock mass are examined in the analysis.
Shaobo Chai, Lianzeng Chai, Chao Meng, Kai Liu, Lang Song, Shaojie Zheng   +5 more
wiley   +1 more source

Jet grouting column measurement and soil assessment with electric measurements and cross-hole electric tomography [PDF]

E3S Web of Conferences
In the context of the construction of the new M3 Bordet-Albert metro line in Brussels, the new Tools Thielemans station will be built near the Gare du Midi. For this purpose, jet grouting work is planned at several sites.
Saade Maria, Fourmy Julien, Fontanarava Olivier, Robert Simon, Ziaei Yekta Sina, Kouakam Kamdem Yannick-Franck   +5 more
doaj   +1 more source

Integrated geotechnical and geophysical investigation of a proposed construction site at Mowe, Southwestern Nigeria [PDF]

, 2018
The subsurface of a proposed site for building development in Mowe, Nigeria, using Standard Penetration Test (SPT), Cone Penetrometer Test (CPT) and Horizontal Electrical Profiling (HEP), was investigated with the aim of evaluating the suitability of the
Nduka, Adaobi C., Oladele, Sunday, Oyedele, Kayode F.   +2 more
core  

Failure mechanism of the coal wall at the working face based on an eccentric compression mechanical model

Deep Underground Science and Engineering, EarlyView.
In this study, the nonuniform distribution of the bearing pressure in front of the coal wall has been revealed based on in situ monitoring data and numerical simulation results. Therefore, an eccentric compression mechanical model of the coal wall was established to study the deformation and failure characteristics of a coal wall. The slenderness ratio
Maolin Tian, Jiabao Wang, Changsheng Wang, Shijie Sun, Lijun Han, Qingbin Meng, Sunhao Zhang   +6 more
wiley   +1 more source

Geophysics and geotechnical engineering

Eos, Transactions American Geophysical Union, 1979
A number of years ago, M. King Hubbert, then a geophysicist with the Shell Development Corporation, stated that a problem in geophysical modeling always arises in scaling a physical process. He tried to make a case with the example of finite strength of a person's muscle.
openaire   +1 more source

Connection between electrical conductivity and diffusion coefficient of a conductive porous material filled with electrolyte [PDF]

, 2017
The paper focuses on the cross-property connection between the effective electrical conductivity and the overall mass transfer coefficient of a two phase material. The two properties are expressed in terms of the tortuosity parameter which generalized to
Merodio, J., Penta, R., Rodriguez-Ramos, R., Sevostianov, I., Trofimov, A.   +4 more
core   +1 more source

Hotspots, trends, and regional focus on oil or gas exploration: A bibliometric comparative study

Deep Underground Science and Engineering, EarlyView.
This paper explores the research trends in global oil and gas exploration through the bibliometric analysis of 3460 articles collected from the Web of Science database on oil and gas exploration published from 2013 to 2023. The research hotspots, objects, regional distribution, methods, and evaluation methods of oil and gas exploration are analyzed and
Jihong Wang, Zhongkai Li, Jianguo Wang, Zhiqiang Li   +3 more
wiley   +1 more source

Seismic Response to Injection Well Stimulation in a High-Temperature, High-Permeability Reservoir [PDF]

, 2019
Fluid injection into the Earth's crust can induce seismic events that cause damage to local infrastructure but also offer valuable insight into seismogenesis.
Chet Hopp, Evans K. F., Grant M. A., Horne R., John Townend, Martha Savage, Massiot C., Stefan Mroczek, Steven Sewell, Zoback M. D.   +9 more
core   +2 more sources