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Liquefaction resistance and small strain stiffness of silty sand: Effects of host sand gradation and fines content Eng. Geol. (IF 7.4) Pub Date : 2024-05-10 Xiaoqiang Gu, Kangle Zuo, Chao Hu, Jing Hu
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On the undrained shear behavior of sand mixtures with non-plastic fines subjected to large shear displacement Eng. Geol. (IF 7.4) Pub Date : 2024-05-09 Chao Huang, Gonghui Wang
Fluidized landslides pose significant hazards owing to the catastrophic failure and flow-like behavior with high mobility and long traveling distances. Non-plastic fines can be abundant in many fluidized landslides with 30%–40% content of relatively fine-grained particles. However, the role of fine particles in the initiation and movement of these landslides is not well understood. To investigate the
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Landslides triggered by the 2022 Ms. 6.8 Luding strike-slip earthquake: An update Eng. Geol. (IF 7.4) Pub Date : 2024-04-30 Xiaoyi Shao, Siyuan Ma, Chong Xu, Chenchen Xie, Tao Li, Yuandong Huang, Yu Huang, Zikang Xiao
In this study, we established an updated coseismic landslide inventory of the 2022 Ms. 6.8 Luding earthquake. This version contains over 16,000 hand-digitized landslides with a total landslide area of 43.2 km. We compared the spatial distribution of landslides and topographic, seismic, and geological factors on both sides of the seismogenic fault. The results show that the coseismic landslides of the
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Hydromechanical modeling of evolving post-wildfire regional-scale landslide susceptibility Eng. Geol. (IF 7.4) Pub Date : 2024-04-30 Masood Abdollahi, Farshid Vahedifard, Ben A. Leshchinsky
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Permeability of surface clay-bearing sediments in Shenhu Area of South China Sea Eng. Geol. (IF 7.4) Pub Date : 2024-04-30 Cong Hu, Yujun Tian, Xiaolei Liu, Yonggang Jia
The migration of fluids, such as the dissociation of natural gas hydrates, can affect the stability of the seabed and even induce submarine geological disasters and change the marine environment. The migration of fluids in sediments depends on its permeability properties. Therefore, it is crucial to investigate the sediment permeability and its influencing factors. This paper investigates the particle
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The failure type-dependent characterization of liquefaction resistance by small-strain shear modulus for saturated sand Eng. Geol. (IF 7.4) Pub Date : 2024-04-30 Xin-Hui Zhou, Yan-Guo Zhou, Yun-Min Chen
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Applicability of electrical resistivity measurements for monitoring biocementation treatment in soils Eng. Geol. (IF 7.4) Pub Date : 2024-04-30 Román Fernández Rodríguez, Rafaela Cardoso
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Divergent patterns of landslide activity and triggering factors at a local scale of a single mountain massif (Island Beskid Mts., Western Carpathians, Poland) Eng. Geol. (IF 7.4) Pub Date : 2024-04-29 Małgorzata Wistuba, Elżbieta Gorczyca, Ireneusz Malik, Ruide Yu, Albert Ślęzak
Landslide protection and mitigation are critical issues in many regions worldwide, where lives and livelihoods depend on correctly determining landslide hazards. However, local differences in the response of landslide slopes to meteorological or seismic triggering factors can decrease the performance of landslide models and forecasts. Thus, recognising and understanding spatial patterns of landslide
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Modifying the Tailored Clustering Enabled Regionalization (TCER) framework for outlier site detection and inference efficiency Eng. Geol. (IF 7.4) Pub Date : 2024-04-29 Yongmin Cai, Kok-Kwang Phoon, Qiujing Pan, Wuzhang Luo
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Plowing mechanism of rapid flow-like loess landslides: Insights from MPM modeling Eng. Geol. (IF 7.4) Pub Date : 2024-04-29 Wei Shen, Jianbing Peng, Zhitian Qiao, Tonglu Li, Ping Li, Xinglai Sun, Yuqi Chen, Jiheng Li
Plowing refers to the phenomenon by which a landslide displaces and pushes the path material forward. Despite its importance in shaping the dynamics of many rapid flow-like loess landslides, the mechanism of plowing is not fully understood. Therefore, this paper presents an improved numerical model based on the material point method (MPM). This model takes into account the interactions between the
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Metal intrusion enhanced deep learning-based high temperature deterioration analysis of rock materials Eng. Geol. (IF 7.4) Pub Date : 2024-04-29 Yuan Gao, Zixuan Yu, Shuyang Yu, Hao Sui, Tian Feng, Yanming Liu
The deep learning-based method demonstrates superior capability in high-temperature deterioration analysis of rock materials through scanning electron microscopy (SEM) characterization. However, the blurred boundaries between rock particles and pore structure presented in SEM images always affect the training efficiency. Hence, in this study, the metal intrusion technology and backscattered electron
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Seepage process understanding at long-existing landslide dams through numerical analysis and hydrological measurements Eng. Geol. (IF 7.4) Pub Date : 2024-04-26 Roshanak Shafieiganjeh, Barbara Schneider-Muntau, Marc Ostermann, Bernhard Gems
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Seismic characterisation of the subsoil under a historic building: Cathedral Church of Saint Mary in Murcia case study Eng. Geol. (IF 7.4) Pub Date : 2024-04-24 Marcos A. Martínez-Segura, María C. García-Nieto, Manuel Navarro, Marco D. Vásconez-Maza, Yoshiya Oda, Antonio García-Jerez, Takahisa Enomoto
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The performance of Karasu Bridge following the February 6, 2023 Kahramanmaras-Turkiye earthquake sequence Eng. Geol. (IF 7.4) Pub Date : 2024-04-24 M. Irsad Ozkaynak, Kemal Onder Cetin
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Directionality of Arias intensity in the Wenchuan Mw 7.9 earthquake, China Eng. Geol. (IF 7.4) Pub Date : 2024-04-24 Ping Liu, Zhengwei Xu
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Volume change characteristic of compacted bentonite during hydration upon high suction change: Experimental study and constitutive simulation Eng. Geol. (IF 7.4) Pub Date : 2024-04-24 Yang Wang, Wei-Min Ye, Qiong Wang, Yong-Gui Chen, Yu-Jun Cui
The assessment and predicting of volume change characteristic in compacted bentonite during hydration upon high suction change are crucial considerations in the design and construction of geological repositories. However, the mechanism for volume change behavior of bentonite upon suction change path is not yet well understood. Existing elastoplastic models show some limitations for describing hydration
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Multiscale analysis of traditional and non-traditional additive amended expansive soil-A comparative evaluation Eng. Geol. (IF 7.4) Pub Date : 2024-04-24 G Landlin, S Bhuvaneshwari
The expansive soils have always been complex and problematic for construction purposes and challenging for the geotechnical fraternity. However, structural alterations and chemical stabilization methods have been practiced successfully in many practical applications. These soils interact with the chemical additives based on the chemical composition, curing period and quantity. The stabilization methods
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Microbially mediated rock fine fracture mineralization sealing: Evolution of flow channels and the resulting transmissivity reduction Eng. Geol. (IF 7.4) Pub Date : 2024-04-22 Qianling Liu, Bin Zhang, Jingkui Wang, Zhe Sun, Zhenhua Peng, Jinchang Wang, Hanxun Wang
The sealing of fine aperture fractures in geological repositories is an important consideration for long-term sealing integrity. Common grouting materials have some disadvantages, such as low sealing efficiency, environmental pollution, etc. Microbially induced calcium carbonate precipitation (MICP) has been proposed as a potential solution for sealing fine fractures. In this paper, the microbially
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Propagation velocity of landslide-induced liquefaction and entrainment of overridden loose, saturated sediments Eng. Geol. (IF 7.4) Pub Date : 2024-04-22 Liam J. Steers, Ryley A. Beddoe, W. Andy Take
Loose saturated granular materials are particularly susceptible to instability, resulting in deviatoric strain softening, and static liquefaction. When instability occurs in the context of a landslide, the consequences in terms of the mobility of the debris and risk to life and property can be catastrophic. Physical model landslides initiated in a geotechnical centrifuge under rising groundwater conditions
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A conceptual model for evaluating the stability of high-altitude ice-rich slopes through coupled thermo-hydro-mechanical simulation Eng. Geol. (IF 7.4) Pub Date : 2024-04-20 Mingdong Wei, Limin Zhang, Ruochen Jiang
The collapse of glacial, permafrost, and ice-rich moraine slopes in high-altitude mountainous areas not only threatens downstream residents and infrastructure but also displaces ice mass to lower and warmer elevations, accelerating glacial ablation to some extent. Despite being considered rare, ice-rich slopes collapse more frequently than commonly thought due to climate change. For example, two adjacent
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Influence of desiccation during freeze-thaw cycles on volumetric shrinkage and tensile strength of compacted clayey soils Eng. Geol. (IF 7.4) Pub Date : 2024-04-20 Yao Wei, Chao-Sheng Tang, Cheng Zhu, Qing Cheng, Yang Lu, Lin Li, Ben-Gang Tian, Bin Shi
Tensile strength is a crucial mechanical property that governs the initiation and propagation of soil tensile cracks. With the global prevalence of warming effects and extreme climatic events, the recurrent freeze-thaw (F-T) cycles intensify the complex evolutions of soil pore structure and tensile strength in regions with widespread seasonal freezing or permafrost active layers. This study investigates
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Damage assessment of Siverek Castle during the Kahramanmaraş Earthquakes (Mw 7.7 and Mw 7.6) on 06 February 2023: Remediation and strengthening proposals Eng. Geol. (IF 7.4) Pub Date : 2024-04-20 Mohammad Manzoor Nasery, Muhammet Çelik, Erol Şadoğlu
On February 6, 2023, two significant earthquakes with magnitudes (Mw) of 7.7 and 7.6 struck Turkey, occurring nine hours apart. In addition to the tragic loss of over 50,000 lives in the earthquakes centered in Kahramanmaraş, hundreds of thousands of engineering structures, such as residences, schools, hospitals, historical landmarks, highways, and more, were severely damaged. This study assesses the
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Estimation of shear strength parameters of intact limestones using miniature triaxial test Eng. Geol. (IF 7.4) Pub Date : 2024-04-18 Ebrahim Ahmadi Sheshde, A. Cheshomi, Reza Maleki
Determination of the strength parameters of intact rock samples is an important requirement in rock engineering. On the other hand, proposing a simple method as an index to estimating the strength parameters is one of the tasks of engineering geology. The conventional triaxial test (CTT) is one approach used to determine shear strength parameters (φ and c) that requires standard core cylindrical samples
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Corrigendum to “A stochastic model of geomorphic risk due to episodic river aggradation and degradation” [Engineering Geology 309 (2022) 106845] Eng. Geol. (IF 7.4) Pub Date : 2024-04-16 Tzu-Yin Kasha Chen, Corentine Chevillard, Chi-Yao Hung, Yu-Chou Chaing, Meng-Long Hsieh, Hervé Capart
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Examination of the correlation between SPT and undrained shear strength: Case study of clay till in Alberta, Canada Eng. Geol. (IF 7.4) Pub Date : 2024-04-16 Chao Kang, Mark Brotherton, Karen Anderson, Kevin Semeniuk, Gavin Mayer, Alex Law, Zhenyao Xia, Lun Zhang, Ali Farrag, Jin You, Majed Abdallah
In this study, we introduce a novel method for estimating undrained shear strength (C) by incorporating SPT depth. A comprehensive dataset of 328 data groups from locations in Alberta was employed to investigate the correlation between C and various factors such as Atterberg limits, moisture content, sampling depth, and both field SPT numbers (N) and modified SPT numbers (N), utilizing Pearson Correlation
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Impact assessment of geohazards triggered by 6 February 2023 Kahramanmaras Earthquakes (Mw 7.7 and Mw 7.6) on the natural gas pipelines Eng. Geol. (IF 7.4) Pub Date : 2024-04-16 Erdinc Orsan Unal, Sultan Kocaman, Candan Gokceoglu
The safe operation of pipelines transporting natural gas is crucial to meet the energy demands of modern societies, but geohazards pose significant challenges to their integrity. This study evaluates the impact of geohazards, namely landslides, high peak ground acceleration (PGA), liquefaction and surface rupture on natural gas pipelines. These hazards caused several incidents on the pipelines during
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Determination of damage evolution characteristics in granite residual soil shear bands by micro-CT-based advanced digital volume correlation Eng. Geol. (IF 7.4) Pub Date : 2024-04-15 Chengsheng Li, Lingwei Kong, Bingxin Zhang, Zhijun Liu, Rongjun Shu, Tianguo Li
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Experimental investigation of the intensity and conditions for strainburst triggering in intact hard rocks Eng. Geol. (IF 7.4) Pub Date : 2024-04-13 Lei Shi, Xiwei Zhang
Strainburst occurs during deep hard rock excavations. A series of single-free-face true triaxial compression (TTC) tests were conducted on seven hard rock types to investigate strainburst intensity and triggering conditions. Five of the seven rock types failed by strainburst, and two failed by spalling. The differences between the strainburst intensities are attributed to the mineral composition and
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Practical considerations for using petrophysics and geoelectrical methods on clay rich landslides Eng. Geol. (IF 7.4) Pub Date : 2024-04-13 James P. Boyd, Andrew Binley, Paul Wilkinson, Jessica Holmes, Edward Bruce, Jonathan Chambers
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Simulation of dynamic pulsing fracking in poroelastic media by a hydro-damage-mechanical coupled cohesive phase field model Eng. Geol. (IF 7.4) Pub Date : 2024-04-10 Hui Li, Zhenjun Yang, Fengchen An, Jianying Wu
This study develops a hydro-damage-mechanical fully coupled numerical method capable of modelling complex fluid-driven transient dynamic crack propagation in quasi-brittle poroelastic media. In this method, the fluid flow in both fractures and porous media is described by a fluid continuity equation with the modified Darcy-Poiseuille law based on the Biot's poroelastic theory. The fluid pressure and
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Slope stability analysis of an open pit mine with considering the weathering agent: Field, laboratory and numerical studies Eng. Geol. (IF 7.4) Pub Date : 2024-04-10 Mohammad Rezaei, Seyed Zanyar Seyed Mousavi
Freezing-thawing (F-T) processes can affect the slope instability of open pit mine wall in cold regions, resulting the increase of mining operations cost and decrease the safety of personnel and equipment. Therefore, estimating the degradation of rockmass geomechanical properties under the weathering agent is crucial for slope stability analysis of an open pit mine in mountain areas. Accordingly, for
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Reliability-oriented segmentation of sublayers in geologically uncertain substrate: A case study of the Żelazny Most TSF Eng. Geol. (IF 7.4) Pub Date : 2024-04-09 Dariusz Łydżba, Adrian Różański, Marek Kawa, Mikołaj Masłowski, Jakub Rainer, Maciej Sobótka, Paweł Stefanek
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Seasonality of rockfall triggers and conditioning factors interpreted from a lidar-derived rockfall database Eng. Geol. (IF 7.4) Pub Date : 2024-04-09 Adam Malsam, Gabriel Walton
Relationships between rockfall and environmental factors have been the focus of considerable research over the last several decades. Many prior studies have not quantified rockfall volume due to challenges in volume estimation without the use of modern remote sensing methods, and the role of longer-term conditioning factors on rockfall activity is often not considered. As part of a broader effort to
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CFD-DEM-based evaluation of main-channel sediment transport processes subject to supplement from a steep tributary Eng. Geol. (IF 7.4) Pub Date : 2024-04-09 Yi-Pin Nie, Xie-Kang Wang, Xu-Feng Yan
The accumulation of sediments within mountainous gullies serves as a significant source for the main channel. Understanding the transport characteristics is crucial for comprehending reach-scale sediment supply features and channel morphodynamics. This study addresses the previously unexplored challenges in accurately quantifying variations in sediment transport rates, particularly during critical
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InSAR supported by geophysical and geotechnical information constrains two-dimensional motion of a railway embankment constructed on peat Eng. Geol. (IF 7.4) Pub Date : 2024-04-09 S. Azadnejad, A. Hrysiewicz, A. Trafford, F. O'Loughlin, E.P. Holohan, F. Kelly, S. Donohue
Rail and road embankments constructed on peatlands are subjected to significant challenges due to the high compressibility of peat. They are, therefore, susceptible to considerable settlement following construction. Accurate and timely monitoring of such embankments is important in order to enable proactive intervention strategies and to avoid failures. Multi-temporal Synthetic Aperture RADAR Interferometry
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A novel framework for landslide displacement prediction using MT-InSAR and machine learning techniques Eng. Geol. (IF 7.4) Pub Date : 2024-04-08 Chao Zhou, Ying Cao, Lulu Gan, Yue Wang, Mahdi Motagh, Sigrid Roessner, Xie Hu, Kunlong Yin
The prediction of landslide deformation is an important part of landslide early warning systems. Displacement prediction based on geotechnical in-situ monitoring performs well, but its high costs and spatial limitations hinder frequent use within large areas. Here, we propose a novel physically-based and cost-effective landslide displacement prediction framework using the combination of Multi-Temporal
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A creep model for soil-rock mixture considering the effect of rock contents and freeze-thaw cycles Eng. Geol. (IF 7.4) Pub Date : 2024-04-08 Peiyong Qiu, Liyun Tang, Pengyu Wang, Jianguo Zheng, Weibing Wang, Yongqiang Li, Guoyu Li, Long Jin, Yongtang Yu, Xu Duan
The complicated heterogeneity and discontinuity of soil-rock mixture (SRM) usually cause high variability in SRM's creep characteristics, which can easily cause geological disasters (e.g., landslides) under harsh environment such as freeze-thaw (F-T) cycles. However, the nonlinear creep behaviors of SRM material, under varying internal structures induced by F-T cycles, skeleton changes and stress states
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Shedding effects of sediment composition and bed morphology on debris flow dynamics and entrainment mechanism: Insights from laboratory experiments Eng. Geol. (IF 7.4) Pub Date : 2024-04-08 Pu Li, Jiading Wang, Kaiheng Hu, Jialin Xie
Sediment composition and bed morphology are two crucial factors that can significantly affect the dynamics of debris mixtures and attendant entrainment characteristics. In this study, three types of bed sediments with varying contents of coarse and fine grains and different bed longitudinal transition angles were designed for our small-scale flume experiments. The profound deceleration, redirection
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Time-dependent degradation of sliding cohesion due to subcritical crack propagation and damage to rock bridge in rock slopes Eng. Geol. (IF 7.4) Pub Date : 2024-04-08 Yuntao Zhou, Xiaoyan Zhao
The time-dependent properties of brittle rocks with discontinuities are important for long-term rock-slope stability. This study proposes a subcritical crack growth model considering damage (SCGMD) for the time-dependent degradation of rock joint cohesion under compression-shear stress. In this model, the rock joint cohesion was derived as a function of the damage degree and of the length of rock bridges
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Tailored clustering method to identify quasi-regional sites Eng. Geol. (IF 7.4) Pub Date : 2024-04-04 Yongmin Cai, Jianye Ching, Kok-Kwang Phoon
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Investigating the toppling failure of anti-dip rock slopes containing non-persistent cross-joints via a strength-based fracture method Eng. Geol. (IF 7.4) Pub Date : 2024-04-03 Leitao Zhang, Shibin Tang
The toppling failure of anti-dip rock slopes is significantly affected by crack propagation from non-persistent cross-joints (NPCJs). In this study, a strength-based localized maximum stress (SLMS) criterion is adopted to model the toppling failure process caused by crack propagation in anti-dip rock slopes containing a set of NPCJs via the finite element method. The crack initiation sequence from
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Toppling stability of partially buried blocks in granite residual soil slope under extremely heavy rainfall condition Eng. Geol. (IF 7.4) Pub Date : 2024-04-03 Xiucheng Zhao, Xiaoyan Zhao, Hongwei Liu, Bernd Wünnemann, Gang Luo, Zongyao Yang
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Experimental study on the failure mechanisms of non-cohesive soil landslide dams with different scales Eng. Geol. (IF 7.4) Pub Date : 2024-04-01 Yangshuai Zheng, Wei Hu, Theo van Asch, Yan Li, Yu Fan
The blocking of rivers by landslides is common in mountainous areas with deep and narrow valleys. Landslide dams may pose a severe threat to the safety of life and property downstream in the event of a sudden dam failure. The similarities and differences in failure characteristics between the large-scale and small-scale landslide dams are insufficiently understood. Relatively large-scale physical models
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Electrical resistivity tomography for the evaluation of Areal Block Proportion (ABP) in bimunits: Modelling and preliminary field validation Eng. Geol. (IF 7.4) Pub Date : 2024-04-01 C. Caselle, C. Comina, A. Festa, S. Bonetto
The measurement and estimation of the Areal Block Proportion (APB) and of the Linear Block Proportion (LBP) are the basis for the estimation of the Volumetric Block Proportion (VBP), which is a fundamental parameter for the mechanical and technical characterization of bimunits. Existing approaches for ABP estimation are strongly conditioned by availability of accessible outcrops and/or borehole data
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Seismic fragility analysis of slopes based on large-scale shaking table model tests Eng. Geol. (IF 7.4) Pub Date : 2024-03-22 Hongqiang Hu, Yangjuan Bao, Xiaopeng Guo
Seismic fragility analysis is one probabilistic method that represents the conditional probabilities of exceeding different predetermined damage states for various given earthquake hazard levels, which is the essential part of probabilistic seismic risk assessment. It has gained much popularity recently because much more comprehensive and richer results than traditional probabilistic methods can be
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Revisiting spatiotemporal evolution process and mechanism of a giant reservoir landslide during weather extremes Eng. Geol. (IF 7.4) Pub Date : 2024-03-21 Xiao Ye, Hong-Hu Zhu, Feng-Nian Chang, Tian-Cheng Xie, Feng Tian, Wei Zhang, Filippo Catani
An updated comprehension of landslide kinematics is a prerequisite for developing effective risk assessment and emergency management in the context of climate variability and anthropogenic disturbances. This study employs a multidisciplinary approach, taking the Outang landslide in China's Three Gorges Reservoir area as a case study. We examined the spatiotemporal surface processes and time- and subzone-dependent
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Study on mechanical properties and acoustic emission characteristics of mudstone-clay composites under uniaxial compression Eng. Geol. (IF 7.4) Pub Date : 2024-03-16 Huaidong Liu, Changyou Liu, Xin Yue, Jun Wang
In the western mining area of China, mudstone-clay composite roofs are commonly found in coal seam roadway. This kind of roadway surrounding rock has poor self-stabilization ability and is difficult to support. Therefore, through a series of uniaxial loading and acoustic emission (AE) experiment, this study explores the mechanical properties of mudstone-clay composites (MCCs) considering different
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Hydraulic properties of stressed granite fractures with heat-induced void alteration Eng. Geol. (IF 7.4) Pub Date : 2024-03-13 Fei Wang, Heping Xie, Cunbao Li, Minghui Li, Xiting Long, Ke Shan, Zhihe Wang
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Case study of a foundation failure induced by cyclic softening of clay during the 2023 Kahramanmaraş earthquakes Eng. Geol. (IF 7.4) Pub Date : 2024-03-12 İ. Tonyalı, S.O. Akbas, T. Beyaz, K. Kayabalı, C. Gokceoglu
The Kahramanmaraş Earthquakes that occurred on 6 February 2023 resulted in extensive structural failures, including damages caused by soil liquefaction. This study focused on investigating the excessive settlements observed in buildings along Ataturk Boulevard in the Golbasi district, with a primary emphasis on the toppling failure of the Kayı Apartment. Field exploration, laboratory testing, and bearing
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The effect of cyclic loading parameters on the physical, mechanical, and microcracking behavior of granite Eng. Geol. (IF 7.4) Pub Date : 2024-03-12 Shahram Ghasemi, Mashalah Khamehchiyan, Abbas Taheri, Mohammad Reza Nikudel, Ahmad Zalooli, Erfan Sadeghi
Rocks endure diverse cyclic loadings from natural and anthropogenic sources, exhibiting varied magnitudes, frequencies, and amplitudes. Understanding microcracking behavior is essential for insights into rock damage and failure. This study investigate the impact of cyclic loading parameters—frequency, amplitude, waveform (sinusoidal, square, and linear), and loading cycles—on the physical, mechanical
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National-scale assessment of railways exposure to rapid flow-like landslides Eng. Geol. (IF 7.4) Pub Date : 2024-03-11 Ivan Marchesini, Omar Althuwaynee, Michele Santangelo, Massimiliano Alvioli, Mauro Cardinali, Martin Mergili, Paola Reichenbach, Silvia Peruccacci, Vinicio Balducci, Ivan Agostino, Rosaria Esposito, Mauro Rossi
In landslide-prone regions, railway networks are vulnerable to rapid flow-like landslides, which can cause extensive damage, even at significant distances from the landslide's point of origin. The prioritization of protective measures on a national scale depends on the accurate assessment of each railway segment's exposure to landslides.
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Exploring debris flow deposit morphology in river valleys: Insights from physical modeling experiments Eng. Geol. (IF 7.4) Pub Date : 2024-03-01 Cong-Jiang Li, Yu-Xiang Hu, Gang Fan, Qing-Yang Zhu, Da-Rui Liu, Jia-Wen Zhou
A comprehensive understanding of the deposit morphodynamics of debris flows in river valleys is crucial for disaster prevention and mitigation in mountainous areas. However, debris flows in river valleys are complex and variable, and the influence of the composition and terrain on deposit mechanisms and morphology remains unclear. In this study, a series of laboratory experiments were conducted to
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LiDAR-based 3D litho-stratigraphic models calibrated with limited boreholes Eng. Geol. (IF 7.4) Pub Date : 2024-02-29 Chih-Hsiang Yeh, Yu-Chen Lu, Sara Khoshnevisan, C. Hsein Juang, Yong-Ming Tien, Jia-Jyun Dong
An accurate and reliable 3D engineering geological model (expressed herein as a 3D litho-stratigraphic model) is essential for designing slopes, underground structures, and tunnels to reduce the risk of failure. Due to budget constraints, subsurface investigations with traditional methods (e.g., boreholes and geophysical prospecting) are often limited in quantity. Insufficient investigation often leads
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Regional early warning model for rainfall induced landslide based on slope unit in Chongqing, China Eng. Geol. (IF 7.4) Pub Date : 2024-02-29 Shuhao Liu, Juan Du, Kunlong Yin, Chao Zhou, Chenchen Huang, Jun Jiang, Jin Yu
Recent advances in the diversity and systematization of design methods and real-time data have led to a general elevation in spatio-temporal accuracy for regional landslide early-warning (LEW). However, the heterogeneity of the geo-environment and the differences in landslide mechanisms are always neglected in the LEW models, which reduce the precision of LEW systems. This study proposes a slope-unit
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A semi-automatic approach for joint orientation recognition using 3D trace network analysis Eng. Geol. (IF 7.4) Pub Date : 2024-02-29 Seyedahmad Mehrishal, Jineon Kim, Jae-Joon Song, Atsushi Sainoki
Identifying rock mass discontinuities and their plane orientation are crucial factors when determining rock mass characteristics. Rock mass discontinuity mapping is fundamentally dependent on joint trace surveying since traces of them are most often the only visible features in rock outcrops. Traditional methods for joint trace surveying using tape and a geological compass are challenging, time-consuming
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Variations of entries and bolting technologies, a case study based on a field monitoring of a longwall face Eng. Geol. (IF 7.4) Pub Date : 2024-02-28 Feng Guo, Nong Zhang, Xiaowei Feng, Zhengzheng Xie, Changliang Han, Yongle Li, Qinghua Chen, Guoli Ding
Roadways adjacent to a mining face are crucial for ensuring safe production, transportation, and the security of personnel. Nevertheless, the anchoring mechanisms and the integrity of the surrounding rock structures of these roadways have frequently been underestimated in mining endeavors. This study, using Xin'an Coal Mine in Gansu as an example, conducted an in-situ analysis of four anchoring methods
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Probabilistic analysis of a sustainable landfill cover considering stress-dependent water retention model and copula-based random fields Eng. Geol. (IF 7.4) Pub Date : 2024-02-27 Charles W.W. Ng, Chuanxiang Qu, Haowen Guo, Rui Chen, Qiang Xue
Material properties, crucial design parameters in landfill cover systems, can exhibit spatial variability due to non-uniform particle size and uneven compaction, affecting cover performance. Additionally, cover thickness, another key design parameter, can induce stress variation and influence soil-water retention capability. Previous designs always ignored these uncertainties and stress effects, potentially
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Formation mechanism of a disaster chain in Loess Plateau: A case study of the Pucheng County disaster chain on August 10, 2023, in Shaanxi Province, China Eng. Geol. (IF 7.4) Pub Date : 2024-02-27 Xingang Wang, Sheng Hu, Baoqin Lian, Jiading Wang, Hongbin Zhan, Daozheng Wang, Kai Liu, Li Luo, Chaoying Gu
Under the heavy rainfall risk due to global warming, a new trend has emerged in geological disasters of loess, which have often evolved into a chain form of disaster chain of loess (DCL) in recent years. The DCL is characterized by multiple, hidden, catastrophic, and complex characteristics that seriously affect the construction and operation of large-scale infrastructure on the Loess Plateau. To understand
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An improved characterization model of liquefaction resistance by shear wave velocity for binary mixtures with consideration of coarse content Eng. Geol. (IF 7.4) Pub Date : 2024-02-25 Peng Xia, Yan-Guo Zhou, Yun-Min Chen
This paper aims to develop an improved - characterization model for soil liquefaction evaluation for binary mixtures via a series of DEM simulations of drained monotonic tests, undrained cyclic tests and shear wave velocity measurements. The contributions of different contact types to the mean effective stress of binary mixtures depend mainly on the coarse content and to a negligible extent on the
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Corrigendum to “Source area morphometry and high depletion rate of landslides may indicate their coseismic origin” [Engineering Geology 330 (2024) 107424] Eng. Geol. (IF 7.4) Pub Date : 2024-02-24 Ivo Baroň, Jan Jelének, Jan Klimeš, Jia-Jyun Dong, Rostislav Melichar, Martin Šutjak, Yichin Chen, Che-Ming Yang, En-Lun Zhang, Joanna Méndez, Chia-Han Tseng, Filip Hartvich, Jan Blahůt, Thanh-Tùng Nguyễn, Lenka Kociánová, František Bárta, Václav Dušek, Petr Kycl