Results 151 to 160 of about 76,494 (364)

The hydraulic fracturing design technology and application of geological-engineering integration for tight gas in jinqiu gas field

, 2022
Ji Zeng, Wenzhe Li, Hongming Fang, Xin Huang, Tao Wang, Dandan Zhang, Shuhang Yuan   +6 more
openalex   +1 more source

Data‐driven analysis of the spatial dependence of grouting efficiency during tunnel excavation

Deep Underground Science and Engineering, EarlyView.
Prediction of grouting efficiency using machine learning is enhanced by adopting a training strategy that accounts for the grouting process across multiple rounds. Abstract Grouting with water–cement mixtures is the most widely used and cost‐effective method for managing excess water inflow during tunnel construction.
Huaxin Liu, Xunchang Fei, Wei Wu
wiley   +1 more source

Impacts of Injection Induced Fractures Propagation in CO2 Geological Sequestration – Is Fracturing Good or Bad for CO2 Sequestration

, 2014
Zhiyuan Luo, Steven L. Bryant
openalex   +1 more source

An efficient lubrication-based code for solving non-Newtonian flow in geological rough fractures

, 2021
Alessandro Lenci, Yves Méheust, Mario Putti, Vittorio Di Federico   +3 more
openalex   +1 more source

Analytical Fractured Reservoir Characterization by using Geological and Petrophysical Logs [PDF]

, 2022
Zohreh Movahed, Farzaneh Aghajari
openalex   +1 more source

Rockburst prediction based on data preprocessing and hyperband‐RNN‐DNN

Deep Underground Science and Engineering, EarlyView.
A data preprocessing workflow is proposed to address challenges in rockburst data analysis. Coupled algorithms preprocess the data set, and hyperband optimization is used to enhance RNN performance. Results show that preprocessing improves accuracy, while dense layers enhance model stability and prediction performance.
Yong Fan, Chenxi Yin, Guangdong Yang, Shengyong Ding, Bin Tian   +4 more
wiley   +1 more source

Comprehensive geological dataset for a fractured crystalline rock volume at the Grimsel Test Site

, 2018
Hannes Krietsch, Joseph Doetsch, Nathan Dutler, Mohammadreza Jalali, Valentin Gischig, Simon Loew, Florian Amann   +6 more
openalex   +2 more sources

Creep properties and constitutive model of diabase in deep water conveyance tunnels

Deep Underground Science and Engineering, EarlyView.
The axial and lateral creep characteristics of diabase were analyzed based on compression creep tests. The nonlinear viscoelastic‐plastic model capable of describing the whole creep process was established based on the fractional derivative and damage theories.
Zhigang Tao, Pengxiao Guan, Xiaojie Yang, Keyuan Liu, Mingjiu Cai, Hong Yang   +5 more
wiley   +1 more source

Failure characteristics and the energy criterion of rock with a through‐going joint under true‐triaxial unloading conditions: Insights from the DEM model

Deep Underground Science and Engineering, EarlyView.
The rock failure mode is significantly influenced by the contributing factors, such as the joint inclination, the initial confining pressure, and the unloading point. We found six typical rock failure modes after a large number of numerical tests. Abstract Excavation unloading damages rock masses, with preferential failure along geological defects in ...
Fei Liu, Changhui Liang, Sijia Liu, Yongjun Zhang, Luo Wang   +4 more
wiley   +1 more source

Characterizing Fractured Zones in Urban Karst Geology Using Leaky Surface Waves From Distributed Acoustic Sensing

Journal of Geophysical Research: Solid Earth
AbstractUrban karst geology poses significant geohazard risks, most notably sinkholes and surface depression stemming from soluble and fractured bedrock that is prone to dissolution and collapse. However, mapping and characterizing these hazards using traditional geophysical surveys in cities is challenging due to dense infrastructure and high levels ...
Zhinong Wang, Tieyuan Zhu
openaire   +1 more source