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Journal articles on the topic 'Geological failure'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Yuting, Zhang, Ding Xiuli, Pei Qitao, and Zhang Zhiguo. "Modelling Mechanical Response of Geological Fault Structures and their Interaction Analysis with Surrounding Rock." Open Civil Engineering Journal 9, no. 1 (2015): 471–76. http://dx.doi.org/10.2174/1874149501509010471.

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The mechanical response of geological fault structure and its interaction with surrounding rock are crucial for the stability of caverns in hard rocks. Geological fault structure exhibits unique mechanical response subjected to rock excavation. Potential failure patterns and their corresponding criterions of geological faults, including open failure, slip failure and block instability, are summarized. Corresponding numerical models and proper supporting measures are recommended for open and slip failures, respectively. Rock damage model is adopted to better illustrate the interaction of rockma

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2

Idhan, Muh Arif, Gina Audina Alhabsyi, and Muhammad Ikbal. "STRUCTURAL GEOLOGY FAULT EFFECT ON HIGHWALL COAL MINING AND FAILURE EVALUATION BASED ON VELOCITY DATA AT BENGALON, EAST-KUTAI DISTRIC, EAST KALIMANTAN PROVINCE." Indonesian Mining Professionals Journal 3, no. 1 (2021): 9–16. http://dx.doi.org/10.36986/impj.v3i1.31.

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The geological structure especially folds and faults will reduce slope stability at slope mining where many events are the main factors that trigger slope failure. The geological structure "unknown" is defined as a minor geological structure that was not defined in the initial geological modeling. This uncertainty geological structure is critical issue during the mining process in coal mining. Slope stability Radar is a monitoring instrument that has been used in this research. In SSR data analysis, graphical behavior from velocity data is for monitoring program. The analysis in this research

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3

Carroll, M. M. "Mechanics of Geological Materials." Applied Mechanics Reviews 38, no. 10 (1985): 1256–60. http://dx.doi.org/10.1115/1.3143685.

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Needed advances in various areas of energy resource recovery, underground construction, earthquake hazard reduction, and conventional and nuclear defense depend critically on the development of improved theories for mechanical and thermal behavior of geological materials. The areas include oil and gas (including off-shore and Arctic production), mining and in situ recovery, geothermal production, nuclear waste isolation, under-ocean tunneling, underground storage, nuclear test containment, and effects of surface explosions. The needed developments, some of which are detailed in earlier Nationa

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Chatziangelou M., Chatziangelou M., Ach Thomopoulos, and B. Christaras. "EXCAVATION DATA AND FAILURE INVESTIGATION ALONG TUNNEL OF SYMBOL MOUNTAIN." Bulletin of the Geological Society of Greece 43, no. 3 (2017): 1112. http://dx.doi.org/10.12681/bgsg.11285.

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The tunnel of Symbol Mountain, which is 1160m long, is placed on South-west of Kavala City at Northern Greece. The tunnel consists of two bores with NW-SE direction, which are connected with two small tunnels. The stability of the rock mass was limited, during the excavation, because the rock mass was often changing, the faults are open, and the aquifer is placed above the excavation. The aim of the present paper is to describe the dangerous geological status of Symbol Mountain and to propose excavation solutions of the unexpected failure conditions. For the above reasons, the sudden changes o

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Marinos, P. V. "GEOLOGICAL BEHAVIOUR OF ROCK MASSES IN UNDERGROUND EXCAVATIONS." Bulletin of the Geological Society of Greece 43, no. 3 (2017): 1238. http://dx.doi.org/10.12681/bgsg.11300.

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The paper deals with the engineering geological behaviour of rock masses in underground excavations. In general, the application of the well-known classification systems has the drawback of not displaying necessary information concerning the behaviour of rock masses, especially the weak ones, in tunnelling. Consequently, there are many cases in which the geological “identity” of the geomaterial is lost since it is not involved in the analysis. In that way it is possible that its special characteristics are mislaid. Within this framework, a system for assessing the failure type mechanisms of th

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Kynigalaki M., Kynigalaki M., D. Kanaris, N. Nikolaou, and V. Kontogianni. "BUILDINGS’ DAMAGE AT HOREMI VILLAGE, ARKADIA, GREECE: EVALUATION OF THE GEOTECHNICAL CONDITIONS AT SHALLOW DEPTHS." Bulletin of the Geological Society of Greece 43, no. 3 (2017): 1202. http://dx.doi.org/10.12681/bgsg.11295.

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Horemi village is located in Central Peloponnesus, at the western margins of Megalopoli basin. For several years failure phenomena on the village buildings have been reported, causing problems related both to the safety of the inhabitants, as well as to the development of the area. For the above reasons a geotechnical investigation program was carried out, to study the origin of the failures and lead to certain conclusions for the mitigation of the phenomena. In situ exploratory works, with reference to the investigation of litho-stratigraphy, ground foundation conditions, as well as laborator

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Aydin, Atilla, Ronaldo I. Borja, and Peter Eichhubl. "Geological and mathematical framework for failure modes in granular rock." Journal of Structural Geology 28, no. 1 (2006): 83–98. http://dx.doi.org/10.1016/j.jsg.2005.07.008.

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8

Romero, Salome, Glenn J. Rix, and Steven P. French. "Transportation Routes in Soils Susceptible to Ground Failure: New Madrid Seismic Zone." Transportation Research Record: Journal of the Transportation Research Board 1736, no. 1 (2000): 127–33. http://dx.doi.org/10.3141/1736-16.

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Geologic deposits susceptible to ground motion amplification under seismic loading in the New Madrid Seismic Zone are delineated using multiple data sources including in situ measurements, geologic maps, and remote-sensing imagery. Soils are classified on the basis of the recommendations from the National Earthquake Hazards Reduction Program, which recommends a classification based on the average shear wave velocity of the geologic material in the upper 30 m. Measurements of shear wave velocity were obtained from Central United States Earthquake Consortium state geologists, the U.S. Geological

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9

Devoli, Graziella, José Cepeda, and Norman Kerle. "The 1998 Casita volcano flank failure revisited — New insights into geological setting and failure mechanisms." Engineering Geology 105, no. 1-2 (2009): 65–83. http://dx.doi.org/10.1016/j.enggeo.2008.12.006.

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10

Han, Feng Shan, and Xin Li Wu. "Numerical Simulation of Compressive Experiment of Coal Seam in Deep Underground for Geological Storage of Carbon Dioxide." Applied Mechanics and Materials 387 (August 2013): 189–92. http://dx.doi.org/10.4028/www.scientific.net/amm.387.189.

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The geological storage of has been recognized as an important strategy to reduce emission in the atmosphere. Coal seam has strong absorption capacity for , hence the coal seam can be used as geological storage reservoirs, simple and easy to use modeling tools would be valuable in assessing the performance of deep underground geological storage. In this paper failure process of coal seam in deep underground under triaxial compressive experiment is presented by numerical simulation. That is of significance and valuable to those subjects of investigation of strength of coal seam in deep undergrou

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11

Havenith, H. B., A. Strom, F. Calvetti, and D. Jongmans. "Seismic triggering of landslides. Part B: Simulation of dynamic failure processes." Natural Hazards and Earth System Sciences 3, no. 6 (2003): 663–82. http://dx.doi.org/10.5194/nhess-3-663-2003.

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Abstract. From field observations it is possible to establish correlations between geological conditions and landslide occurrence. However, in general, it is difficult to assess the affect of individual factors on slope instability because of their mutual interaction. In addition, the dynamic effect of propagating seismic waves significantly increases the complexity of the slope stability problem. Wave diffraction, reflection and focusing effects are dependent on local geological conditions and make it difficult to analyse dynamic sliding mechanisms using field observations alone. As a consequ

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12

Meng, Hai Dong, Yan Xu, and Dong Yuan Zang. "The Failure Mode Analysis of Open Pit Slope Base on Finite Element Method." Applied Mechanics and Materials 405-408 (September 2013): 35–39. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.35.

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This paper is aimed at analysing the slope failure model for an open pit slope. Firstly, The method of engineering geological survey is carried out for the open pit south slope. Then, the appropriate geological model is established. And the slope model of the open pits was established and solved by finite elemen program. The analysis reveals the internal sliding of the open-cut and the failure modes of bottom sliding along the base weak level. It will be an important guiding significance for the safe production of open pit coal mine.

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13

Warburton, Jeff. "Chapter 9 Peat hazards: compression and failure." Geological Society, London, Engineering Geology Special Publications 29, no. 1 (2020): 243–57. http://dx.doi.org/10.1144/egsp29.9.

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AbstractPeat is a highly compressible geological material whose time-dependent consolidation and rheological behaviour is determined by peat structure, degree of humification and hydraulic properties. This chapter reviews the engineering background to peat compression, describes the distribution of peat soils in the UK, provides examples of the hazards associated with compressible peat deposits and considers ways these hazards might be mitigated. Although some generalizations can be made about gross differences between broad peat types, no simple relationship exists between the magnitude and r

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14

Tuttle, Martitia, K. Tim Law, Leonardo Seeber, and Klaus Jacob. "Liquefaction and ground failure induced by the 1988 Saguenay, Quebec, earthquake." Canadian Geotechnical Journal 27, no. 5 (1990): 580–89. http://dx.doi.org/10.1139/t90-073.

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Ongoing geological and geotechnical investigations are under way for two sites in Ferland, Quebec, where sand boil deposits, ground fissures, and liquefaction-related damage to homes were documented immediately following the M = 5.9 Saguenay earthquake of November 25, 1988. Both sites are about 26 km from the epicentre. To date, the geological investigation of the sites suggests that (i) liquefaction and ground failure have occurred in this area in the past, (ii) lateral spreading was the principal mode of ground failure in 1988 and in the past, (iii) 1988 and earlier displacements due to late

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15

Ni, Zhen Qiang, Ji Ming Kong, and A. Fayou. "The Failure Mechanism Research of Jointed Rock Mass Slope." Applied Mechanics and Materials 94-96 (September 2011): 1166–70. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.1166.

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It was difficult to analyze the stability of the rock slope for its complex geological structure. Rock mass was the geological body that subjected to intense deformation and suffered damage, which was composed by rock and jointed rock mass. When the rock mass was in the high steep rock, its loading state was further complicated. First we analyzed the failure mechanism of jointed rock mass in theory, and we used Flac3d with the Mohr-Coulomb yield criterion to simulate the displacements and stresses. We built three models that included angles with level line were 25°, 45° and 65°. The results sh

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Rakshit, Raghupratim, Lalhmingsangi, Devojit Bezbaruah, and Bubul Bharali. "Morphotectonic and sedimentological aspects in describing the relationship with ancient failure surfaces in southern part of Aizawl anticline, Mizoram, India." Science Vision 17, no. 4 (2017): 204–16. http://dx.doi.org/10.33493/scivis.17.04.04.

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Population growth in Aizawl city has caused urban areas to expand into landslide-prone areas. These areas comprised of Bhuban Formation rocks of Surma Group and have geological features that frequently generate ground instabilities. The present study integrated with morphotectonic analysis, geotectonic characterization, role of litho-units including their sedimentological aspects and analyses of precipitation time series reveals that the southern part of Aizawl city is tectonically active and lithologically vulnerable towards landslide disaster. Greater surface slope and similar bed attitude e

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17

Ademila, Omowumi, Abel Idowu Olayinka, and Michael Adeyinka Oladunjoye. "Land satellite imagery and integrated geophysical investigations of highway pavement instability in southwestern Nigeria." Geology, Geophysics and Environment 46, no. 2 (2020): 135. http://dx.doi.org/10.7494/geol.2020.46.2.135.

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The high global numbers of road accidents due to bad roads and the failure of other engineering structures have necessitated this study, particularly as road transport accounts for a higher percentage of cargo movement in African countries. The geophysical investigation was carried out on six failed and two stable sections along the Ibadan-Iwo-Osogbo highway to examine the geological factors responsible for highway failure in the area. A Landsat ETM+ (Enhanced Thematic Mapper Plus) imagery of the study area and its environs was acquired and processed for lineaments analyses. Magnetic, Very Low

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French, William J. "Presidential Address 2003: Why concrete cracks — geological factors in concrete failure." Proceedings of the Geologists' Association 116, no. 2 (2005): 89–105. http://dx.doi.org/10.1016/s0016-7878(05)80001-x.

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19

Ni, Zhen Qiang, Ji Ming Kong, and A. Fayou. "Numerical Simulation of Mechanical Behavior on Landslides Triggered by Heavy Rainfall." Applied Mechanics and Materials 50-51 (February 2011): 115–19. http://dx.doi.org/10.4028/www.scientific.net/amm.50-51.115.

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Deformation instability of slope due to rain was one of the most common geological disasters. Speaking from the mechanism, the destructive action and triggering action of rainfall affected the stability of slope itself, which made the slope deform and even lead to instability. June 28, 2010, Guanling in Guizhou province a large landslide occurred which triggered by continuous heavy rainfall, it caused that in two village-groups 107 villagers were buried, all the tragedy of houses were completely destroyed. Using finite element software ANSYS to simulate the mechanical behavior of the landslide

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20

Havenith, H. B., A. Strom, D. Jongmans, A. Abdrakhmatov, D. Delvaux, and P. Tréfois. "Seismic triggering of landslides, Part A: Field evidence from the Northern Tien Shan." Natural Hazards and Earth System Sciences 3, no. 1/2 (2003): 135–49. http://dx.doi.org/10.5194/nhess-3-135-2003.

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Abstract. Landslides triggered by strong earthquakes often caused most of the global damage and most of all casualties related to the events, such as shown by the M = 7.7 Peru earthquake in 1970, by the M = 7.6 El Salvador earthquake in 2001 or by the M = 7.4 Khait (Tajikistan) earthquake in 1949. The obvious impact of a landslide on the population is directly related to its movement. Yet, prediction of future failure potential and hence future risk to population is necessary in order to avoid further catastrophes and involves the analyses of the origin of seismic instability. The seismic land

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21

Kaafarani, Rouba, Grace Abou-Jaoude, Joseph Wartman, and Miriam Tawk. "Landslide susceptibility mapping based on triggering factors using a multi-modal approach." MATEC Web of Conferences 281 (2019): 02002. http://dx.doi.org/10.1051/matecconf/201928102002.

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Landslide susceptibility mapping has been done using statistical and physically-based assessment techniques with limited focus on mode-specific models to identify failure modes and runout patterns. Because each failure mode has different consequences, it is essential to identify the failure mode associated with each slope inclination category, triggering factor, and geological setting. This paper presents a multimodal regionalscale assessment procedure for rainfall and earthquake-induced landslides, in the country of Lebanon, where landslide inventories are not available. Three failure modes a

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22

Dong, Longjun, and Xibing Li. "Comprehensive Models for Evaluating Rockmass Stability Based on Statistical Comparisons of Multiple Classifiers." Mathematical Problems in Engineering 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/395096.

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The relationships between geological features and rockmass behaviors under complex geological environments were investigated based on multiple intelligence classifiers. Random forest, support vector machine, bayes' classifier, fisher's classifier, logistic regression, and neural networks were used to establish models for evaluating the rockmass stability of slope. Samples of both circular failure mechanism and wedge failure mechanism were considered to establish and calibrate the comprehensive models. The classification performances of different modeling approaches were analyzed and compared b

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Liu, Jianpo, Hongxu Shi, Ren Wang, Yingtao Si, Dengcheng Wei, and Yongxin Wang. "Quantitative Risk Assessment for Deep Tunnel Failure Based on Normal Cloud Model: A Case Study at the ASHELE Copper Mine, China." Applied Sciences 11, no. 11 (2021): 5208. http://dx.doi.org/10.3390/app11115208.

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The spatial and temporal distribution of tunnel failure is very complex due to geologic heterogeneity and variability in both mining processes and tunnel arrangement in deep metal mines. In this paper, the quantitative risk assessment for deep tunnel failure was performed using a normal cloud model at the Ashele copper mine, China. This was completed by considering the evaluation indexes of geological condition, mining process, and microseismic data. A weighted distribution of evaluation indexes was determined by implementation of an entropy weight method to reveal the primary parameters contr

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Dong, Jin Yu, Zi Li Li, Zhi Quan Huang, Ji Hong Yang, and Guo Xiang Yang. "Analysis of Typical Example and Genesis of Landslide Triggered by Wenchuan Earthquake in China." Applied Mechanics and Materials 238 (November 2012): 886–89. http://dx.doi.org/10.4028/www.scientific.net/amm.238.886.

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As the main geohazard triggered by Wenchuan earthquake, landslide is widely distributed. It caused many people lost their lives and incipient fault. This paper analyzes the genesis of these landslides from the aspects of geomorphy, geological structure of slope body, rock characters, earthquake motion, stable condition of slope, weathering effect and stream action. Strong earthquake motion near the fracture zone and geological structure of slope body are the main reasons caused the slope failure. Take Wangjiayan landslide as the typical example, the genesis of earthquake-induced landslide is a

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Tang, Xie Xing, Xiao Yong Luo, Kai Lei Li, and Ya Chuan Kuang. "Test Research on Bonding Strength between GFRP Anchor Bolt and Concrete under Corrosive Conditions." Applied Mechanics and Materials 212-213 (October 2012): 904–11. http://dx.doi.org/10.4028/www.scientific.net/amm.212-213.904.

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In practical projects, GFRP anchor bolts are in complex geological conditions with corrosive factors such as acid, alkalis, salt and freeze-thaw circle. In corrosive conditions, the bonding strength of GFRP anchor bolts are in direct relation to safety of anchoring works. Based on comparative tests on bonding strength between GFRP anchor bolt and concrete, failure modes in pull-out tests of GFRP anchor bolt and concrete are mainly pull-out failure and splitting failure. Pull-out failure is a chemical and mechanical interlocking failure between GFRP anchor bolts and concrete cubes, which can ac

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Xu, Su Chao, B. R. Chen, and C. Y. Jin. "Prediction of Hard Brittle Geological Disasters in Metal Mine from Microseismic Monitoring." Applied Mechanics and Materials 353-356 (August 2013): 2377–80. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2377.

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During the past decades, the microseismic technique has changed from a simple researching means for rock failure study to a practical method for daily safety monitoring at high geo-hazard tendency mines. This paper introduces the microseismic monitoring system built at a metal mine aiming at the prediction of the geological hazard. The arrangement of microseismic monitoring sensors should take consideration not only of the current mining situation, but also by the aid of experts experiences. By a successful case of prediction for hard brittle failure, the Shizhuyuan microseismic monitoring sys

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27

Tongkul, F., H. Benedick, and F. K. Chang. "Geology of slopes in the Crocker Range, Sabah, Malaysia." Journal of Nepal Geological Society 34 (October 9, 2006): 73–80. http://dx.doi.org/10.3126/jngs.v34i0.31881.

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Slope failures are frequent occurrences along roads in Malaysia. Not until recently, geological inputs were rarely sought when designing and constructing roads on mountainous areas. This paper highlights the result of a geological study on selected slopes along a major road across Sabah's main mountain range, the Crocker Range, which is comprised mostly of folded Eocene sedimentary rocks. A total of 48 slopes facing potential failure problems were studied. The following four main potential sources of failures were recognised: 1) related to intensely sheared mudstones within a localised fault z

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Song, W. K., and B. J. Lee. "Correlation between Geological Factors and Risk of Rock Slope Failure in Railroads." Geosystem Engineering 8, no. 1 (2005): 5–8. http://dx.doi.org/10.1080/12269328.2005.10541230.

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Schreyer, Howard L. "Modelling surface orientation and stress at failure of concrete and geological materials." International Journal for Numerical and Analytical Methods in Geomechanics 31, no. 2 (2007): 147–71. http://dx.doi.org/10.1002/nag.557.

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Takemura, Takato, Masanobu Oda, Hiroaki Kirai, and Aliakbar Golshani. "Microstructural based time-dependent failure mechanism and its relation to geological background." International Journal of Rock Mechanics and Mining Sciences 53 (July 2012): 76–85. http://dx.doi.org/10.1016/j.ijrmms.2012.03.012.

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Smith, John V. "Slope failure mechanism assessment based on regional geological information in layered rocks." Bulletin of Engineering Geology and the Environment 79, no. 10 (2020): 5249–58. http://dx.doi.org/10.1007/s10064-020-01902-y.

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Wang, Shengnian, Weiya Xu, and Jinyuan Liu. "Stability and Failure Mechanism Analyses of the Zhenggang Landslide in Southwestern China." Advances in Civil Engineering 2018 (2018): 1–16. http://dx.doi.org/10.1155/2018/6128401.

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The Zhenggang landslide is an ancient complex landslide located at southeastern Tibetan Plateau, China. Due to intensive rainfalls in 2008 and heavy snowfalls in 2009, the Zhenggang landslide exhibited a high probability of reactivation once again. In this study, geological structure, matter features, and macrodeformations of the Zhenggang landslide (including Zone I and Zone II) were investigated for uncovering its formation mechanism and evolution tendency first, and then the stability and failure mechanism analyses of the Zhenggang landslide were conducted in detail by a combined limit equi

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Shaller, Philip, David Sykora, Macan Doroudian, and G. Jock Churchman. "Rapidin situconversion of late-stage volcanic materials to halloysite implicated in catastrophic dam failure, Hawaii." Clay Minerals 51, no. 3 (2016): 499–515. http://dx.doi.org/10.1180/claymin.2016.051.3.10.

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AbstractKa Loko Dam, in Kauai, Hawaii, failed suddenly and catastrophically on March 14, 2006. The resulting breachwas marked by three topographic benches, the lowest of which exposed native volcanic deposits once resident in the dam foundation. These deposits were found to contain outcrops of a waxy, gel-like material that appeared to result fromin situweathering processes. This unusual material was found to be highly enriched in halloysite. Gravel-size pieces in the hydraulic fill of the embankment derived from these materials also exhibited significantin situweathering and significant hallo

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Khan, Sikandar, Yehia Khulief, Abdullatif Al-Shuhail, Salem Bashmal, and Naveed Iqbal. "The Geomechanical and Fault Activation Modeling during CO2 Injection into Deep Minjur Reservoir, Eastern Saudi Arabia." Sustainability 12, no. 23 (2020): 9800. http://dx.doi.org/10.3390/su12239800.

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The release of large quantities of CO2 into the atmosphere is one of the major causes of global warming. The most viable method to control the level of CO2 in the atmosphere is to capture and permanently sequestrate the excess amount of CO2 in subsurface geological reservoirs. The injection of CO2 gives rise to pore pressure buildup. It is crucial to monitor the rising pore pressure in order to prevent the potential failure of the reservoir and the subsequent leakage of the stored CO2 into the overburden layers, and then back to the atmosphere. In this paper, the Minjur sandstone reservoir in

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Dong, Jin Yu, Ji Hong Yang, Guo Xiang Yang, and Fa Quan Wu. "Analysis on Causes of Deformation and Failure of Large Scale Underground Powerhouse." Applied Mechanics and Materials 71-78 (July 2011): 644–50. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.644.

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Jinoping No.1 is a dominant reservoir cascade hydropower station which locates at the downstream of Yalong river. The underground powerhouse locates at the right bank of the dam, lithology is marble that belongs to the second member of Zagunao group. It is constructed at region with very complicated geological conditions and high geo-stress. Concrete cracking, spalling and steel buckling and bending occurred at the downstream crown after supporting. This paper analysed the causes of deformation and failure through geological analysis and numerical simulation, and concluded that deformation and

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Zhao, Jie. "Study on Failure Mechanism and Prevention Measures of Typical Rock Slope in Tibetan Plateau." Applied Mechanics and Materials 587-589 (July 2014): 1012–20. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.1012.

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The special geographical, climatic conditions and geological structure in Tibetan Plateau making high steep rock slopes along the valleys wide-spread in this area, and they are especially common in the construction of highways. In this study, geological genesis and potential sliding mode are discussed firstly, then numerical model results as well as actual data are used to analyze the cause and influence depth of unloading fissures. Finally, common problems exist in rock slope are summed up. Based on these, natural state, disturbed state and steady state after reinforcement are analyzed respec

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O'Neill, Craig, Simon Turner, and Tracy Rushmer. "The inception of plate tectonics: a record of failure." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 376, no. 2132 (2018): 20170414. http://dx.doi.org/10.1098/rsta.2017.0414.

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The development of plate tectonics from a pre-plate tectonics regime requires both the initiation of subduction and the development of nascent subduction zones into long-lived contiguous features. Subduction itself has been shown to be sensitive to system parameters such as thermal state and the specific rheology. While generally it has been shown that cold-interior high-Rayleigh-number convection (such as on the Earth today) favours plates and subduction, due to the ability of the interior stresses to couple with the lid, a given system may or may not have plate tectonics depending on its ini

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Smythe, David K. "Inadequate Regulation of the Geological Aspects of Shale Exploitation in the UK." International Journal of Environmental Research and Public Health 17, no. 19 (2020): 6946. http://dx.doi.org/10.3390/ijerph17196946.

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Unconventional oil and gas exploitation, which has developed in the UK since 2009, is regulated by four main agencies: The Oil and Gas Authority, the Environment Agency, the Health and Safety Executive and local Mineral Planning Authorities (usually county councils). The British Geological Survey only has an advisory role, as have ad hoc expert committees. I firstly define terms, and summarise the remits of the regulators and background history. Fourteen case histories are then discussed, comprising most of the unconventional exploitation to date; these cases demonstrate the failure of regulat

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Shao, Shuai, Shengjun Shao, Jun Li, and Bing Qiu. "An Analysis of Loess Tunnel Failure and Its Mechanism." Advances in Civil Engineering 2021 (March 2, 2021): 1–18. http://dx.doi.org/10.1155/2021/6671666.

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A series of changes of mechanical properties such as fracture development, relaxation, collapse deformation, and strength decreasing of the surrounding rock of loess tunnels occur due to shearing and immersing, and loess tunnels will be prone to engineering failures, including large deformation, fissure, ground collapse, landslide, and lining cracking, seriously threatening the construction and operation safety of tunnels. These problems are especially prominent for long-span loess tunnels. Based on the understanding of features in the construction and operation of the loess tunnel project and

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Qin, Zhe, Hai Bin Jia, and Hai Long Kong. "Influencing Factor Analysis on Non-Mining Fracturing of Shaft Lining in Thick Topsoil Layer." Advanced Materials Research 838-841 (November 2013): 667–70. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.667.

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Non-mining fracturing of shaft lining is a special mine geological disaster in Huadong thick alluvium Mining Districts, which is mainly induced by the additional stress result from compressive deformation of the bottom aquifer water loss. On the basis of summarizing the geological conditions and failure characteristics of non-mining fracturing of shaft lining, this paper analyses the size and variation with different influencing factors of additional stress in outer wall through establishing 3-D numerical modeling. The relationship between stress condition of non-mining fracturing of shaft lin

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Li, Yuan Yao, Chen Xin Zhou, and Zhi Wei Li. "Risk Analysis of a Closed Limestone Mine Geological Environment in Fengshan County, Southwest China." Advanced Materials Research 807-809 (September 2013): 1762–67. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.1762.

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There are many closed limestone mines in Fengshan county, Guangxi autonomous region, Southwest China. The geologic environment in the mining area had been destroyed during the mining period without carrying efficient environment governance and land restoration. In order to mitigate the potential geological hazard risk induced by the closed mines, one representative closed mine is chosen to carry out the research of risk analysis. In the paper, firstly, the mine is divided into different zones according to rock mass structure, and geological environmental problems have been analyzed in each zon

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Chen, Shikuo, Chenhui Wei, Tianhong Yang, Wancheng Zhu, Honglei Liu, and Pathegama Ranjith. "Three-Dimensional Numerical Investigation of Coupled Flow-Stress-Damage Failure Process in Heterogeneous Poroelastic Rocks." Energies 11, no. 8 (2018): 1923. http://dx.doi.org/10.3390/en11081923.

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The failure mechanism of heterogeneous rocks (geological materials), especially under hydraulic conditions, is important in geological engineering. The coupled mechanism of flow-stress-damage should be determined for the stability of rock mass engineering under triaxial stress states. Based on poroelasticity and damage theory, a three-dimensional coupled model of the flow-stress-damage failure process is studied, focusing mainly on the coupled characteristics of permeability evolution and damage in nonhomogeneous rocks. The influences of numerous mesoscale mechanical and hydraulic properties,

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Weiss, Malcolm, and Russell White. "Geological Society of America Election of 1921: A Reprise." Earth Sciences History 17, no. 1 (1998): 27–31. http://dx.doi.org/10.17704/eshi.17.1.51v20174160725m1.

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Charles Schuchert, of Yale, was in 1921 the nominee for President of the Geological Society of America for 1922. A campaign to prevent his election was mounted in Washington, D. C., principally by members of the U.S. Geological Survey (USGS). The campaign and its failure have been described by Weiss. Schuchert's own records of that campaign have been discovered recently, and from them we have learned how he discovered the attack on his candidacy, how he felt about the matter, and his opinons of the principals behind the campaign.

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Ke, Zun Lin, Bin Chen, Jiu Yan Ye, Qiang Cao, and Lin Wang. "VGFPS: An OpenSimulator-Based Virtual Geographic Environment for Geological Field Practice." Advanced Materials Research 955-959 (June 2014): 3845–49. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.3845.

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In traditional geological field practice (GFP), there are many problems, such as waste of human and material resources, dispersion of geological phenomenon and failure to reproduce geological processes, which lead to the inefficiency of traditional education. Recently, virtual geographic environment (VGE) has become increasingly popular. It can provide us an immersive, interactive and collaborative three-dimensional (3D) multi-user virtual environment which can help us to solve the above problems. In this paper, we present a Virtual Geological Field Practice System (VGFPS) for Huyu Region base

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Syaeful, Heri, Dhatu Kamajati, Yoshi Rachael, and Ebenheser Damaledo. "Analisis Geologi Teknik Longsor di Desa Kuatae, Kecamatan Kota Soe, Nusa Tenggara Timur." EKSPLORIUM 42, no. 1 (2021): 55. http://dx.doi.org/10.17146/eksplorium.2021.42.1.6081.

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ABSTRAK Bencana alam longsor di Desa Kuatae, Kecamatan Kota Soe sering terjadi pada musim hujan. Longsor telah menyebabkan rusaknya rumah dan infrastruktur lainnya. Penelitian longsor dilakukan dengan pemetaan geologi teknik, pengeboran geologi teknik, uji laboratorium, analisis kestabilan lereng, dan identifikasi opsi penanggulangan. Berdasarkan hasil pemetaan, longsor terjadi dalam dua model, yaitu blok batugamping terumbu yang mengalami longsor translasi di atas napal dan batulempung serta longsor rotasi pada napal yang dikontrol oleh lapisan dasar yang kontak dengan batulempung. Hasil uji

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Lollino, Piernicola, Vincenzo Martimucci, and Mario Parise. "Geological survey and numerical modeling of the potential failure mechanisms of underground caves." Geosystem Engineering 16, no. 1 (2013): 100–112. http://dx.doi.org/10.1080/12269328.2013.780721.

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CARPINTERI, A., G. LACIDOGNA, O. BORLA, A. MANUELLO, and G. NICCOLINI. "Electromagnetic and neutron emissions from brittle rocks failure: Experimental evidence and geological implications." Sadhana 37, no. 1 (2012): 59–78. http://dx.doi.org/10.1007/s12046-012-0066-4.

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Donnelly, L. J., M. G. Culshaw, P. R. N. Hobbs, R. C. Flint, and P. D. Jackson. "Engineering geological and geophysical investigations of a slope failure at Edinburgh Castle, Scotland." Bulletin of Engineering Geology and the Environment 64, no. 2 (2005): 119–37. http://dx.doi.org/10.1007/s10064-004-0260-7.

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Tang, Bo, and Xiao Guang Zhao. "The Investigation and Analysis of Environmental Geological Problems in Coal Mines in Yulin City." Applied Mechanics and Materials 496-500 (January 2014): 2933–36. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.2933.

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The activities of mineral development and utilization produced serious environmental geological problem in mines in Yulin city. There are mainly three problems. The first one is waste of resources, including encroach on land, destruction of the vegetation and waste of water resources, ect. The second one is geological hazards, including collapse, landslide debris flows, soil loss, sandy land and failure of tailings dams.ect. The third one is environmental contamination, including water pollution, air pollution, soil pollution and food chain destructions. Making reasonable plan to exploitation

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Zhao, Qifeng, Nong Zhang, Rui Peng, Guichen Ll, Changliang Han, and Yu Guo. "Discrete Element Simulation of Roadway Stability in an Efflorescent Oxidation Zone." Advances in Civil Engineering 2018 (2018): 1–15. http://dx.doi.org/10.1155/2018/4183748.

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Due to crustal movement, coal-bearing strata weather and oxidise when exposed to the atmosphere and water. The unique geological characteristics of the rock in efflorescent oxidation zones lead to variations in lithology, weak rock, and large failures due to deformation. This paper analyses the variable physical mechanics and microstructural characteristics of efflorescent-oxidised coal rock using the UDEC numerical simulation software. The software is used to study the gradual development, dynamic expansion, and deformation of cracks in the material surrounding efflorescent rock tunnels. Thes

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