Results 121 to 130 of about 162,105 (299)

Cryogenic physico-geological phenomena in permafrost regions

, 1964
This translation is the sixth arranged by the Permafrost Subcommittee of the Associate Committee on Soil and Snow Mechanics of the National Research Council of Canada, of the Russian permafrost publication, "Principles of Geocryology". This translation of Chapter XI by S.P.
Kachurin, S. P., National Research Council Canada. Division of Building Research   +1 more
openaire   +1 more source

Study on the failure mechanism of the shield excavation face in the sandy cobble stratum under different buried depths

Deep Underground Science and Engineering, EarlyView.
Abstract One of the significant challenges faced in shield tunnel construction is the risk of collapse resulting from abrupt changes in soil conditions in advance of the working face, particularly within the sandy cobble stratum. This study aims to effectively manage these sudden variations and to further investigate the failure mechanisms associated ...
Hua Jiang, Chongyang Liu, Ao Zhang, Xiaoyan Zhang, Yuhang Li   +4 more
wiley   +1 more source

Morphotectonic Schematization for the Sector of Guamá, Santiago de Cuba

Minería y Geología, 2016
The relief was classified and the active nature of the faults located in the sector of Guamá was evaluated. The application of morphotectonic methods generated a 1:25 000 morphotectonic scheme.
Sandra Rosabal-Domínguez, Alina Rodríguez-Infante, José A. Zapata-Balanqué   +2 more
doaj  

Multi-source data integration and multi-scale modeling framework for progressive prediction of complex geological interfaces in tunneling

Underground Space
A reliable geological model plays a fundamental role in the efficiency and safety of mountain tunnel construction. However, regional models based on limited survey data represent macroscopic geological environments but not detailed internal geological ...
Jingxiao Wang, Peinan Li, Xiaoying Zhuang, Xiaojun Li, Xi Jiang, Jun Wu   +5 more
doaj   +1 more source

Effect of confining pressure on fracture characteristics and mineralogical behavior of tight sandstone specimens after hydraulic fracturing

Deep Underground Science and Engineering, EarlyView.
Hydraulic fracturing in tight sandstone and fracture propagation characteristics using backscattered electron‐scanning electron microscope (BSE‐SEM) images. Abstract This study focuses on hydraulic fracturing experiments conducted under triaxial conditions on tight sandstone specimens from Shivpuri district, Madhya Pradesh, India.
Pankaj Rawat, Narendra Kumar Samadhiya
wiley   +1 more source

Optimization of cut‐hole layout under high in situ stress based on numerical simulation and field tests

Deep Underground Science and Engineering, EarlyView.
This study investigates the blast‐induced rock damage patterns under different cut‐hole layouts and ground stress conditions through numerical simulations and field tests. The findings in this study provide valuable insights for similar underground engineering applications.
Junjie Zhao, Diyuan Li, P. G. Ranjith, Xinxin Lü, Yanliang Li, Xiaoli Su   +5 more
wiley   +1 more source

Remote sensing interpretation and application of geological environment conditions in early identification of potential geo-hazards: A case study of Huaping county

Carsologica Sinica
Huaping county is located in the mountains bordering the Yunnan–Guizhou Plateau and the Qinghai–Xizang Plateau, where geo-hazards occur frequently. In order to understand the background of disaster generation and the laws of their occurrence, as well as ...
Yanfang YANG, Hejian JU, Yang CHENG, Yong WANG, Shuhao YAN, Shanshan WANG, Qin LI   +6 more
doaj   +1 more source

Resonance‐induced restoration of rock permeability degraded by heavy components of crude oil

Deep Underground Science and Engineering, EarlyView.
Resonance‐induced changes occur in filtration properties of sedimentary rocks in crude paraffin oil flow under acoustic vibrations. Experimental data on (a) pressure drop; (b) permeability; (c) pressure at the rock inlet; and (d) pressure at the rock outlet are presented.
Evgenii Riabokon, Qian Yin, Mikhail Guzev, Mikhail Turbakov, Evgenii Kozhevnikov, Nadezhda Riabokon, Ivan Panteleev   +6 more
wiley   +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

Science or fiction? What the anthropocene means for EPT [PDF]

, 2018
How should environmental political theorists deal with environmental science? The question has acquired a new urgency with the rise of the Anthropocene, a geological-cum-ecological concept received with skepticism by many political theorists.
Arias-Maldonado, Manuel Jesus
core   +1 more source