Bulletin of Engineering Geology and the Environment
Papers 2,744
1 page of 275 pages (2,744 results)
#1Jinquan Liu (CAS: Chinese Academy of Sciences)H-Index: 6
Last. Jing-Liang Dong (ECJTU: East China Jiaotong University)
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During tunnel construction, water and mud inrush disasters from completely weathered granite usually lead to the serious casualties and economic losses. Predicting these disasters are vital to the safety construction. Considering the critical erosion condition and flow pattern variation at the three stages (Darcy, rapid, and stable flow stages), a seepage erosion model is developed to perform the coupling analysis of water and mud inrush evolution. The model is shown to have favorable accuracy i...
#1Gan Li (THU: Tsinghua University)
#2Yu Hu (THU: Tsinghua University)
Last. Hai-long Huang (CTG: China Three Gorges Corporation)
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Prestressed anchorage systems have been gradually applied in the treatment of large deformation in soft rock tunneling. However, the research of support parameters on the mechanical behavior of large section cavern surrounding rocks with high joint density and deep buried high ground stress is not enough. In order to study the mechanical behavior of surrounding rocks under prestressed anchor support, a mechanical model is established. It is determined that the main controlling factors of the sup...
#1Inci Develioglu (IKCU: Izmir Kâtip Çelebi University)H-Index: 3
#2Hasan Firat Pulat (IKCU: Izmir Kâtip Çelebi University)H-Index: 4
Alluvial soils can be defined as sediments that have not completed their geological formation have high void ratios, low bearing capacity, and low shear strength. To eliminate the unfavorable properties, various improvement methods can be applied, such as injection, compaction, and mixing. Polypropylene fibers, a kind of geosynthetic, are used to improve the geotechnical properties of soil. In this study, the shear strength characteristics of natural and polypropylene-reinforced alluvial soils w...
#1Aamir Ali (QAU: Quaid-i-Azam University)H-Index: 10
#2Matee Ullah (QAU: Quaid-i-Azam University)H-Index: 3
Last. Zia ul Qamar (QAU: Quaid-i-Azam University)H-Index: 1
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Most of the surface wave-based geophysical methods require an accurate estimate of the shear wave velocity (Vs) for geotechnical site investigation. The Vs gives a measure of shear modulus which is an important engineering parameter and also owns implications for delineating weak zones and cavities. Geotechnical investigation of such zones is imperative to avoid hazards related to high building construction. Among different surface wave-based geophysical methods, the multi-channel analysis of su...
#1Yudhidya Wicaksana (SNU: Seoul National University)H-Index: 2
#2Hoyoung Jeong (PKNU: Pukyong National University)
Last. Seokwon Jeon (SNU: Seoul National University)H-Index: 16
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Rock excavation is a dynamic process where rock is dynamically loaded by mechanical cutting tools. Previous researches have shown that rock strength in dynamic loading is greater than that in static loading. However, existing prediction models for mechanical excavation of rock do not take into account the dynamic features of the rock. This issue has the potential to deliver misleading outcomes when estimating cutting performance and assigning an equipment for excavation work. The mechanical cutt...
#2Shiguo Xiao (SWJTU: Southwest Jiaotong University)
Last. Anhui Wei
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Tunnel excavation in mountainous areas can sometimes reactivate or trigger landslides. The problem of tunneling-induced landslides may be influenced by not only the tunnel location and slope geological conditions but also construction deficiency without timely treatment. This paper presents a case study of Jimei landslide in Sichuan Province, China. This dormant landslide was largely induced by the excavation of a twin tunnel in the landslide body. Field investigation, slope movement monitoring,...
#1Yifei Hou (Northwest University)
#2Ping Li (Northwest University)H-Index: 12
Last. Jiading Wang (Northwest University)H-Index: 13
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Due to the special soil-forming environment and process, grain-size distribution, and mineral composition, loess has some poor engineering properties, such as high compressibility, strong water sensitivity, and severe collapsibility. These poor properties lead to frequent occurrence of geological disasters and engineering problems in loess area, so loess is often strengthened in engineering projects. Compared with the traditional methods, the use of stabilizing agents has the advantages of savin...
#1Shengtao Zhou (CUG: China University of Geosciences)H-Index: 3
#2Luo Xuedong (Jianghan University)
Last. Yu Lei (CUG: China University of Geosciences)
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Carbon dioxide phase transition fracturing is a safe rock-breaking technique. Its vibration effect cannot be ignored. It is valuable for fracturing safety control to investigate its ground vibration characteristics. In this paper, a single-hole test was implemented, and several vibration curves in jet direction and vertical jet direction were monitored to explore the ground vibration difference in these two directions. The attenuation laws of the peak particle velocity (PPV) and the Fourier domi...
One of the most destructive phenomena occurring during earthquakes is liquefaction-induced lateral spreading. So far, various prediction models have been proposed focusing only on the accuracy of the lateral spreading estimations. However, the reliability of predictive models is also essential since the uncertainties of input parameters result in uncertain estimates. To assess the performance of such models under uncertainty, the values of governing parameters from a well-known database are firs...
#1Xueyou Li (Sun Yat-sen University)H-Index: 11
#2Yadong Liu (Sun Yat-sen University)
Last. Li Min Zhang (HKUST: Hong Kong University of Science and Technology)H-Index: 59
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Slope reliability analysis can effectively account for uncertainties involved in a slope system. However, commonly used slope reliability analysis methods often require huge computational cost, especially in large-scale problems, which hinders its wide application to engineering practice. This paper proposes an efficient slope reliability analysis method based on the active learning support vector machine (SVM) and Monte Carlo simulation (MCS). The proposed method makes use of an active learning...
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