Arabian Journal of Geosciences
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Detection of stress redistribution in a complex isolated coal pillar with active SVT technology
Arabian Journal of Geosciences - Tập 13 - Trang 1-12 - 2020
The detection of stress redistribution in a mining area is essential for forecasting and preventing coal burst disasters in underground mining practices. Active seismic velocity tomography (SVT) is an effective way of investigating large-scale regional stress distribution. Active SVT technology was applied to a complex isolated coal pillar twice to assess coal burst hazard level and to guide the d...... hiện toàn bộ
Assessment of shoreline dynamics on the Eastern Coast of Algiers (Algeria): a spatiotemporal analysis using in situ measurements and geospatial tools
Arabian Journal of Geosciences - Tập 13 - Trang 1-15 - 2020
The eastern coast of the Algiers, which stretches over 15 km, is currently experiencing very intense socioeconomic and urban development that is causing severe disturbances to the coastal environment. The main issue of this study concerns itself with understanding the evolutionary trends of this system and assessing its state of vulnerability towards erosion phenomena. This work focuses on the his...... hiện toàn bộ
Fractal analysis of logs to characterize the hydrocarbon and non-hydrocarbon zones of Bhogpara oil field, Northeast India
Arabian Journal of Geosciences - Tập 10 - Trang 1-13 - 2017
Identification with accuracy of prospective and dry zone from well log data is of prime importance in reservoir or hydrocarbon studies. This issue has greater stake, where in return many conventional methods have been established. The purpose of this study is to recognize the hydrocarbon and non-hydrocarbon bearing portion within a reservoir by using a non-conventional technique. Application of re...... hiện toàn bộ
Field test research on anti-crack performance of basalt fiber geogrid-reinforced semi-rigid base by optical fiber strain sensor
Arabian Journal of Geosciences - - 2024
In order to study the improvement of the mechanical properties of basalt fiber geogrids on semi-rigid base asphalt pavement and the prevention and control effect of reflection cracks, this paper laid the basalt fiber geogrid and test sensor in the different positions of the semi-rigid base of Yanchong Expressway experimental Sect. (625 m long) are divided into three working conditions: I, II, and ...... hiện toàn bộ
Effect of fault-slip source mechanism on seismic source parameters
Arabian Journal of Geosciences - Tập 9 - Trang 1-12 - 2015
Fault-slip bursts in underground mines could cause devastating damage to mine openings. In the present study, three types of underlying mechanisms that could trigger fault-slip are examined, namely asperity shear, stope extraction, and a combination thereof, with numerical analysis. First, a numerical model is constructed, in which a fault running parallel to a steeply dipping, tabular orebody is ...... hiện toàn bộ
Cấu trúc địa tầng, kiểu facies và paragenesis khoáng vật của chuỗi carbonate tại khu vực Jabal Farasan, Tây Trung Ả Rập Dịch bởi AI
Arabian Journal of Geosciences - Tập 14 - Trang 1-25 - 2021
Các carbonate được nghiên cứu có mặt trong phần trên cùng của Jabal Farasan, cách thành phố Jeddah 150 km về phía Đông Bắc, thuộc vùng Tây Trung Ả Rập. Những carbonate này nằm trên các lớp đá lửa cơ bản tối màu hơi biến chất dày và các trầm tích liên quan thuộc nhóm Samran. Các cuộc điều tra địa tầng và khoáng vật học hiện tại đã tiết lộ sự hiện diện của chín đơn vị xen kẽ chính (đơn vị I đến IX)....... hiện toàn bộ
The use of sodium chloride as strategy for improving CO2/CH4 replacement in natural gas hydrates promoted with depressurization methods
Arabian Journal of Geosciences - Tập 13 - Trang 1-10 - 2020
Natural gas hydrates represent a valid opportunity in terms of energy supplying, carbon dioxide permanent storage and climate change contrast. Research is more and more involved in performing CO2 replacement competitive strategies. In this context, the inhibitor effect of sodium chloride on hydrate formation and stability needs to be investigated in depth. The present work analyses how NaCl interv...... hiện toàn bộ
Soil salinization and critical shallow groundwater depth under saline irrigation condition in a Saharan irrigated land
Arabian Journal of Geosciences - Tập 10 - Trang 1-13 - 2017
In the arid irrigated lands, understanding the impact of shallow groundwater fluctuation on soil salinization has become crucial. Thus, investigation of the possible options for maintaining the groundwater depth for improving land productivity is of great importance. In this study, under saline irrigation condition, the effects of shallow groundwater depth on water and salt dynamics in the root-zo...... hiện toàn bộ
Structural analyses and geological studies of the Late Precambrian Basement Complex in Wadi Faliq El Sahl–Faliq El Waar area, North Eastern Desert, Egypt
Arabian Journal of Geosciences - Tập 14 - Trang 1-17 - 2021
The Wadi Faliq El Sahl–Faliq El Waar area comprises four various types of rocks including metavolcanics, older granites, Hammamat sediments, and younger granites of monzogranite and syenogranite composition. From the various structural analyses in the investigated area, the main trends controlling the structural and tectonic framework are ENE-WSW and NE-SW, while the trends NNE-SSW, WNW-ESE, and N...... hiện toàn bộ
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