Results 21 to 30 of about 9,754 (259)

Design and operation of App-based intelligent landslide monitoring system: the case of Three Gorges Reservoir Region

Geomatics, Natural Hazards & Risk, 2019
Nowadays, mobile applications (Apps) have become a main form of mobile Internet services, and related applications in the geological disaster monitoring domain must follow this development trend.
Zhigang Tao, Haijiang Zhang, Chun Zhu, Zhenli Hao, Xiulian Zhang, Xiao Hu   +5 more
doaj   +1 more source

Numerical Investigations on the Effect of Fracture Length Distribution on the Representative Elementary Volume of 3D Discrete Fracture Networks

Geofluids, 2022
Determination of the representative elementary volume (REV) of fractured rock masses based on equivalent permeability (K) is significantly dependent on the geometric characteristics of fractures.
Ding Liu, Hai Pu, Shiru Guo, Ziheng Sha, Chong Li   +4 more
doaj   +1 more source

Pore Structure and Fractal Characteristics of Coal-Measure Sedimentary Rocks Using Nuclear Magnetic Resonance (NMR) and Mercury Intrusion Porosimetry (MIP)

Energies, 2023
Analyzing and mastering the fractal features of coal-measure sedimentary rocks is crucial for accurately describing the pore structure of coalbed methane resources.
Na Zhang, Shuaidong Wang, Xingjian Xun, Huayao Wang, Xiaoming Sun, Manchao He   +5 more
doaj   +1 more source

Deep Underground Science and Engineering Laboratory - Preliminary Design Report [PDF]

, 2011
The DUSEL Project has produced the Preliminary Design of the Deep Underground Science and Engineering Laboratory (DUSEL) at the rehabilitated former Homestake mine in South Dakota. The Facility design calls for, on the surface, two new buildings - one a visitor and education center, the other an experiment assembly hall - and multiple repurposed ...
Lesko, Kevin T, Acheson, Steven, Alonso, Jose, Bauer, Paul, Chan, Yuen-Dat, Chinowsky, William, Dangermond, Steve, Detwiler, Jason A, Vries, Syd De, DiGennaro, Richard, Exter, Elizabeth, Fernandez, Felix B, Freer, Elizabeth L, Gilchriese, Murdock GD, Goldschmidt, Azriel, Grammann, Ben, Griffing, William, Harlan, Bill, Haxton, Wick C, Headley, Michael, Heise, Jaret, Hladysz, Zbigniew, Jacobs, Dianna, Johnson, Michael, Kadel, Richard, Kaufman, Robert, King, Greg, Lanou, Robert, Lemut, Alberto, Ligeti, Zoltan, Marks, Steve, Martin, Ryan D, Matthesen, John, Matthew, Brendan, Matthews, Warren, McConnell, Randall, McElroy, William, Meyer, Deborah, Norris, Margaret, Plate, David, Robinson, Kem E, Roggenthen, William, Salve, Rohit, Sayler, Ben, Scheetz, John, Tarpinian, Jim, Taylor, David, Vardiman, David, Wheeler, Ron, Willhite, Joshua, Yeck, James   +50 more
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An Elastoplastic Softening Damage Model for Hydraulic Fracturing in Soft Coal Seams

Advances in Civil Engineering, 2018
In order to improve the permeability of soft coal seams with low intensity and permeability by hydraulic fracturing, an elastoplastic softening damage model of soft coal seams has been established, which takes into consideration the lower elastic modulus
Yang Hao, Yu Wu, Xianbiao Mao, Pan Li, Liqiang Zhang, Jing Tao   +5 more
doaj   +1 more source

Analysis on the Vertical Additional Force of Shaft and Drainage Settlement Characteristics of Topsoil Containing Multiaquifers

Geofluids, 2022
The vertical additional force induced by the drainage consolidation settlement of the topsoil is one of the main factors for shaft wall fracture. To date, the number of aquifers of topsoil rises with the depth increasing of shaft, which would lead to a ...
Tao Han, Tingting Luo, Tao Zhang, Yong Yan, Xiaoxu Hu, Tao Yan, Weihao Yang   +6 more
doaj   +1 more source

Recent development and prospects of energy-absorbing bolt in underground engineering

矿业科学学报, 2021
There are many challenges in the process of underground engineering construction, such as high stress, extremely soft rock, strong mining and other complex conditions. The surrounding rock is difficult to control and its deformation is serious due to the
Jiang Bei, Wang Qi, Wei Huayong, Xin Zhongxin, He Manchao, Wu Wenrui, Ma Fenglin, Xu Shuo, Wang Yetai   +8 more
doaj   +1 more source

Multiscale Research on Pore Structure Characteristics and Permeability Prediction of Sandstone

Geofluids, 2021
The random existence of many irregular pore structures in geotechnical materials has a decisive influence on its permeability and other macroscopic properties.
M. A. Shi-Jia, L. I. N. Yuan-Jian, L. I. U. Jiang-Feng, Kundwa Marie Judith, Ishimwe Hubert, W. A. N. G. Pei-lin   +5 more
doaj   +1 more source

Study on Rockburst Tendency of Deep Underground Engineering based on Multi-Factor Influence

Electronic Journal of Structural Engineering, 2023
Rockburst disaster seriously threatens the construction schedule of underground tunnel engineering and the safety of construction workers. Rockburst prediction has become one of the critical methods for evaluation of surrounding rock stability and safe construction of deep underground engineering.
Zihui Zhu, Feiyue Sun, Jiaqi Guo
openaire   +2 more sources

Modeling the Spatial and Temporal Evolution of Stress during Multiworking Face Mining in Close Distance Coal Seams

Advances in Civil Engineering, 2021
Mining in close distance coal seams (CDCSs) is frequently associated with engineering disasters because of the complicated nature of stress distribution within CDCSs.
Yong Zhang, Jinkun Yang, Jiaxuan Zhang, Xiaoming Sun, Chen Chen, Xiaoyu Zheng, Huichen Xu   +6 more
doaj   +1 more source