Bulletin of Engineering Geology and the Environment最新文献_第6页

Quantitative calculation of the damage of carbonaceous mudstone during uniaxial compressive failure process under dry–wet cycling

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-15 DOI: 10.1007/s10064-025-04169-3

Shengnan Li, Junhui Zhang, Jin Chang, Hao Yang, Shao Yue, Junhui Peng, Kang Chen, Yu Li, Zhenhua Ren, Wei Chen

{"title":"Quantitative calculation of the damage of carbonaceous mudstone during uniaxial compressive failure process under dry–wet cycling","authors":"Shengnan Li, Junhui Zhang, Jin Chang, Hao Yang, Shao Yue, Junhui Peng, Kang Chen, Yu Li, Zhenhua Ren, Wei Chen","doi":"10.1007/s10064-025-04169-3","DOIUrl":"10.1007/s10064-025-04169-3","url":null,"abstract":"<div><p>This paper presents a theoretical analysis of the damage evolution law of carbonaceous mudstone during compressive failure process under dry–wet cycling. In this study, microscopic testing and uniaxial compression synchronous acoustic emission testing systems are employed to examine the microstructure, mechanical properties, and failure acoustic signal of carbonaceous mudstone. The results demonstrated that dry–wet cycling aggravated the mesostructure damage of carbonaceous mudstone. As the dry–wet cycling increased, the pores of carbonaceous mudstone increased, and the disorganization of the mesostructure became more serious, leading to reductions in peak stress, elastic modulus, and cumulative acoustic emission signals. The analysis of PFC (Partical Flow Code) revealed that the number of crack propagation in carbonaceous mudstone increased, and the crack morphology became more complex under dry–wet cycling. A comprehensive framework was developed to incorporate crack propagation into the damage process, where in the growth of cracks exhibits an \"S-shaped\" pattern with axial strain. As the number of dry–wet cycling increased, the threshold strain for the accelerated damage increased, and the crack growth rate decreased, along with a decrease in the initiation damage stress. This damage pattern was further evidenced by the identification of the crack propagation morphology and rock failure localization during dry–wet cycling. The proposed method showed good consistency with the experimental test results and numerical simulations, enabling quantitative calculation of compression-induced damage in carbonaceous mudstone.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A strength-based clogging risk assessment strategy for mechanized tunneling

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-15 DOI: 10.1007/s10064-025-04198-y

Hanbiao Zhu, Shuying Wang, Pengfei Liu, Huanhuan Feng, Tongming Qu, Hemei Sun, Di Yan

{"title":"A strength-based clogging risk assessment strategy for mechanized tunneling","authors":"Hanbiao Zhu, Shuying Wang, Pengfei Liu, Huanhuan Feng, Tongming Qu, Hemei Sun, Di Yan","doi":"10.1007/s10064-025-04198-y","DOIUrl":"10.1007/s10064-025-04198-y","url":null,"abstract":"<div><p>The adhesion strength of muck is a crucial factor influencing Earth Pressure Balance (EPB) shield clogging, but this perspective overlooks the role of muck’s shear strength. Therefore, it is crucial to comprehensively evaluate the risk of shield clogging based on muck strength. Adhesion strength and triaxial tests were conducted on the moderately weathered mudstone muck using a rotary shear apparatus and a soil-shape-controlled triaxial device. This work explores the relationship between tangential adhesion strength (referred to as adhesion strength) and shear strength of moderately weathered mudstone muck. The adhesion strength and the shear strength exhibited similar variation patterns. As the consistency index increased, the adhesion strength of the muck gradually rose. The interfacial friction angle increased, while the interfacial adhesion force initially rose before declining. The adhesion and shear strengths of muck can be assessed by integrating the effects of stratigraphic stress. When the adhesion strength surpasses the shear strength, the shield faces a risk of muck adhesion. Building on this insight, a strength-based clogging risk assessment strategy for mechanized tunneling was proposed. Field tests demonstrated that the risk assessment strategy effectively evaluated the potential for shield clogging both before and after dispersant treatment, thereby ensuring the safety and efficiency of shield tunneling. Moreover, recognizing the influence of temperature, consolidation, and critical shear strength on the potential for shield clogging, the authors will continue to focus on these factors in future work.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Physical model test on the influence of reservoir water level fluctuation on the deformation of landslides with weak interlayers

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-13 DOI: 10.1007/s10064-025-04210-5

Song Wei, Feng Ji, Feng Lv, Lei Wang

{"title":"Physical model test on the influence of reservoir water level fluctuation on the deformation of landslides with weak interlayers","authors":"Song Wei, Feng Ji, Feng Lv, Lei Wang","doi":"10.1007/s10064-025-04210-5","DOIUrl":"10.1007/s10064-025-04210-5","url":null,"abstract":"<div><p>The weak mechanical properties of weak interlayers are crucial for controlling landslide deformation and failure under water level fluctuation. The instability and failure of landslides in reservoirs can lead to unpredictable consequences. In this study, the reservoir bank landslide with a weak interlayer was selected as the research subject. The material composition, structural characteristics, mechanical properties, and permeability of the landslide were determined through field investigations and tests. Additionally, a physical model test was conducted to explore the groundwater variation rules and deformation failure modes of landslides with weak interlayers under different water level fluctuation rates. The results indicate that due to the low permeability of the interlayer, there was a significant lag in monitoring data such as pore water pressure within the interlayer under the same water level fluctuation rate. At the same point, the faster the water level fluctuation rate, the greater the degree of lag. The deformation and failure mode of landslide with weak interlayer under reservoir water level fluctuation can be summarized as the following five stages: slope toe erosion stage, cracks on slope surface and interlayer stage, micro-collapse of slope toes and crack expansion of slope surface and interlayer stage, local micro-collapse of slope toe and crack penetration of slope body stage, crack development leads to landslide of slope body stage. This study provides theoretical support for prevention and control of landslides with weak interlayers in the gravel soils of reservoirs.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143602220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation on mechanism and variation of mesoscopic damage in artificial frozen sandy gravels by X-ray CT scanning

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-13 DOI: 10.1007/s10064-025-04183-5

Wang Wu, Qixiang Yan, Yan Li, Junchen Zhang, Zhaowei Ding, Caihou Xu

{"title":"Investigation on mechanism and variation of mesoscopic damage in artificial frozen sandy gravels by X-ray CT scanning","authors":"Wang Wu, Qixiang Yan, Yan Li, Junchen Zhang, Zhaowei Ding, Caihou Xu","doi":"10.1007/s10064-025-04183-5","DOIUrl":"10.1007/s10064-025-04183-5","url":null,"abstract":"<div><p>The artificial ground freezing (AGF) method is a frequently-used reinforcement method for underground engineering that has a good effect on supporting and water-sealing. When employing the AGF method, the mesoscopic damage reduces the strength of the frozen sandy gravel and consequently affects the bearing capacity of the frozen curtain. However, a few studies have been conducted on the mesoscopic damage of artificial frozen sandy gravel, which differs from fine-grained soil due to its larger gravel size. Therefore, based on triaxial compression tests and CT scanning tests, this paper investigates both the mesoscopic damage mechanism and variations in artificial frozen sandy gravels. The findings indicate that there are contact pressures between gravel tips within the frozen sandy gravel, with damage primarily concentrated around these gravels during incompatible deformation within a four-phase medium consisting of ice, water, soil, and gravel. Furthermore, numerical simulation validates that failure typically initiates at delicate contact surfaces between gravel and soil particles. For instance, when the axial strain reaches 8%, the plastic strain at the location of gravel contact reaches 4.6, which significantly surpasses most of the surrounding plastic strain zones measuring around 1.3. Additionally, the maximum local stress within the soil sample is as high as 48 MPa. This failure event is distinct from viscoplastic failure observed in frozen fine-grained soil or brittle failure seen in frozen rock. The findings also indicate that the mesoscopic damage is about 0.3 when the axial strain is 10%. The study's findings can serve as a valuable guide for developing finite element models to assess damage caused by freezing in sandy gravel using AGF method.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143602219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel rapid approach for the stability discrimination of landslide dams

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-12 DOI: 10.1007/s10064-025-04209-y

Chenguang Song

{"title":"A novel rapid approach for the stability discrimination of landslide dams","authors":"Chenguang Song","doi":"10.1007/s10064-025-04209-y","DOIUrl":"10.1007/s10064-025-04209-y","url":null,"abstract":"<div><p>The dam failure of natural landslide dams is a hot research topic at present, and its foundation focuses on the assessment of the stability of natural landslide dams. However, due to the special formation process of the dam body, the heterogeneous composition of materials, the complexity of the internal structure and the different external morphology of the dam body, which leads to the big difference with the artificial earth-rock dams that are more studied at present, there is still a lack of high-precision rapid stability evaluation methods. Based on a comprehensive review of the global research progress on the formation conditions, stability analyses and dam failure mechanisms of landslide dams, a large-scale database containing 1561 cases of landslide dams around the world was established through literature search and case compilation. Furthermore, three composite indicators, namely, dam shape coefficient, lake surface shape coefficient, dam anti-breach coefficient, were constructed as the evaluation factors of landslide dam stability, and a natural landslide dam stability discrimination model (<i>L</i><sub>s</sub>(LVA)) was constructed based on 114 screened cases and the traditional binary logistic regression method, with a comprehensive accuracy of the model up to 86.84%. The research results can provide a complete set of technical ideas for analysing and predicting the stability of landslide dams.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Field, experimental and numerical study for landslide mitigation in Himachal Pradesh, India: Case study

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-12 DOI: 10.1007/s10064-025-04207-0

Ayush Kumar Tiwari, Eedy Sana, Ashutosh Kumar, Kala Venkata Uday

{"title":"Field, experimental and numerical study for landslide mitigation in Himachal Pradesh, India: Case study","authors":"Ayush Kumar Tiwari, Eedy Sana, Ashutosh Kumar, Kala Venkata Uday","doi":"10.1007/s10064-025-04207-0","DOIUrl":"10.1007/s10064-025-04207-0","url":null,"abstract":"<div><p>Landslides frequently disrupt road networks in the mountainous region of Himachal Pradesh, India causing traffic delays and disconnecting the supplies of essential commodities within the affected regions. Therefore, it is essential to establish a comprehensive investigation mechanism to identify the triggering factors and develop effective mitigation strategies through well-defined design protocols. This paper presents a detailed investigation on a shallow landslide that destroyed newly built bridge and blocked rural road connectivity of 14 villages to Mandi town of Himachal Pradesh, India on 14th August 2020. We analyzed geophysical, geotechnical, geological and hydrological data to better understand the characteristics of the landslide. This provided the basis of suggesting suitable mitigation measures based on two-dimensional finite element-based numerical modelling. The results obtained revealed that the anthropogenic activity was the primary cause of the landslide with excessive rainfall acted as the triggering factor. Weak layers and discontinuities in the slope materials and soil conditions increased the landslide risk. The results of numerical modelling suggested that the slope had low safety factors under saturated conditions indicating the importance of water table location in changing the effective stress regime within the soil. Mitigation measures were proposed that included grouted soil nails indicating the factor of safety more than 1 for all the possible loading scenario. The findings of this study provide a comprehensive understanding of landslide characteristics and necessary procedure for mitigating slopes in the Himalayan region. The study can assist in developing effective strategies to reduce the occurrence and impact of landslides in the region.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143602416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment and zoning of seismic landslide hazards in Sichuan, China, using a SCM-ANFIS model under different ground motion

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-11 DOI: 10.1007/s10064-025-04172-8

Jie Wang, Chong Xu, Zhuojuan Xie, Yu Li, Lifang Zhang, Yuejun Lv

{"title":"Assessment and zoning of seismic landslide hazards in Sichuan, China, using a SCM-ANFIS model under different ground motion","authors":"Jie Wang, Chong Xu, Zhuojuan Xie, Yu Li, Lifang Zhang, Yuejun Lv","doi":"10.1007/s10064-025-04172-8","DOIUrl":"10.1007/s10064-025-04172-8","url":null,"abstract":"<div><p>The distribution and intensity of seismic landslides are directly influenced by factors such as earthquake magnitude, epicentral distance, and focal depth; therefore, evaluating seismic landslide hazards should be based on a comprehensive assessment of seismic hazards. In this study, we focused on Sichuan Province, an area characterized by a high susceptibility to significant seismic activity and a propensity for landslides triggered by earthquakes. Initially, we used the potential source model, activity parameters, ground motion prediction equations, and calculation methodologies outlined in the current GB18306-2015, “Seismic Ground Motion Parameter Zonation Map of China” to determine the distribution of peak ground acceleration (PGA) for basic ground motion, rare ground motion and extremely rare ground motion (with a 50-year exceedance probability of 10%, 2% and 0.5%) in Sichuan Province. We then applied a hybrid machine learning model that combines high predictability and tractability, known as the Subtractive Clustering Method-based Adaptive Neural Network Fuzzy Inference System (SCM-ANFIS). The model used earthquake landslide databases from Wenchuan, Lushan, Jiuzhaigou, and Luding, along with 12 relevant factors, including topography and seismic geology. We established a coseismic landslide hazard assessment framework and evaluated seismic landslide probabilities under three levels of ground shaking in Sichuan Province, resulting in the creation of a hazard zoning map. Finally, we assessed the sampling methodology, adaptability, and limitations of the model while also exploring its potential applications. This research can significantly improve disaster prevention and management and inform infrastructure development in Sichuan Province. Future efforts will focus on enhancing data breadth and precision.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fracturing evolution of red sandstone: insights from three-point bending experiment and numerical simulation considering material inhomogeneity and internal discontinuities

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-11 DOI: 10.1007/s10064-025-04204-3

Xiangxin Liu, Bin Gong, Zhengzhao Liang, Zhengnan Zhang, Xun You

{"title":"Fracturing evolution of red sandstone: insights from three-point bending experiment and numerical simulation considering material inhomogeneity and internal discontinuities","authors":"Xiangxin Liu, Bin Gong, Zhengzhao Liang, Zhengnan Zhang, Xun You","doi":"10.1007/s10064-025-04204-3","DOIUrl":"10.1007/s10064-025-04204-3","url":null,"abstract":"<div><p>To reveal the various propagation paths of micro-cracks under the continuous process of stress buildup, stress shadow, and stress transfer, three-point bending experiments and numerical simulations were carried out by considering material inhomogeneity and internal discontinuities. The characteristics of red sandstone fracturing evolution were analyzed from the aspects of acoustic emission (AE) energy index, infrared radiation (IR) changes, fracture surface roughness, stress fields and so on. The test results indicate that four stages are divided in the gradual process of energy release of red sandstone fracturing under three-point bending test, the rough fracture surfaces of crack were extremely small, tensile crack makes the largest proportion. IR and AE perform some significant precursor information of rock fracturing, <i>e.g.</i>, a large amount of high-temperature debris scattered in infrared thermography, the maximum value of AE accumulative energy and the concentration effect of AE events location. Different tensile stress level has different features, macroscopic fracture morphology happens in a low level, and micro-cracks appears in the weakness of crystal surfaces in a high level. It needs to be emphasized that five different modes, pass through, crack-tip blunting, extended-back, crack-forking and passing round, were concluded in terms of the repeated process of stress buildup, stress shadow & stress transfer. These achievements contribute to the better understanding of the failure mechanisms of red sandstone.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10064-025-04204-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143583503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of hydroxypropyl methylcellulose (HPMC) modified microbial induced carbonate precipitation on strength and water stability of loess

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-11 DOI: 10.1007/s10064-025-04200-7

Xingyu Wang, Hong Sun

{"title":"Effect of hydroxypropyl methylcellulose (HPMC) modified microbial induced carbonate precipitation on strength and water stability of loess","authors":"Xingyu Wang, Hong Sun","doi":"10.1007/s10064-025-04200-7","DOIUrl":"10.1007/s10064-025-04200-7","url":null,"abstract":"<div><p>Loess exhibits high sensitivity to water, rendering it susceptible to strength loss and structural destruction under hydraulic effects of rainfall, irrigation and groundwater. As an emerging soil improvement technology, microbial induced carbonate precipitation (MICP) stands out for its cost-effectiveness, efficiency, and environmental sustainability. In this study, hydroxypropyl methylcellulose (HPMC) was innovatively introduced into the MICP process to improve the strength and water stability of loess, and a set of unconfined compressive strength (UCS), direct shear, laser particle size analysis, X-ray diffraction (XRD) and scanning electron microscopy (SEM) tests were conducted. The results show that HPMC-modified MICP is able to generate a novel structural matrix combining organic and inorganic elements, significantly enhancing the strength, stiffness, and ductility of loess. HPMC protects loess from water erosion by forming viscous membranes on the surfaces of soil particles and calcium carbonate crystals. Increasing HPMC content can augment membrane viscosity, which is conducive to stabilizing the loess structure, but it has the negative effect of reducing inter-particle friction through increasing membrane thickness. As the HPMC content increased to 0.6%, the strength loss of loess under high water content decreased. These findings are expected to provide critical support for the engineering application of HPMC-modified MICP in loess improvement.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143583502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Application of a geomorphic restoration method for landslide susceptibility mapping along the rapidly uplifting section of the upper Jinsha river, South-Western China

IF 3.7 2区工程技术

Bulletin of Engineering Geology and the Environment Pub Date : 2025-03-11 DOI: 10.1007/s10064-025-04213-2

Sun Xiaohui, Liu Guoqing, Zhao Tong, Tang Li, Han Xudong, Peng Wei

{"title":"Application of a geomorphic restoration method for landslide susceptibility mapping along the rapidly uplifting section of the upper Jinsha river, South-Western China","authors":"Sun Xiaohui, Liu Guoqing, Zhao Tong, Tang Li, Han Xudong, Peng Wei","doi":"10.1007/s10064-025-04213-2","DOIUrl":"10.1007/s10064-025-04213-2","url":null,"abstract":"<div><p>The upper reaches of the Jinsha River are located in the area of rapid uplift of the Tibetan Plateau, which has strong geological structure activities, huge relief of terrain, complex climate characteristics and frequent landslides. Therefore, the susceptibility mapping of landslide disaster in the upper reaches of Jinsha River is of great practical significance to ensure the safety of local people’s property and the safe development of hydraulic resources. However, the landslides in the study area are mainly large to giant landslides, which have a great effect on the change of the original geomorphic features after the occurrence of landslides. The landslide susceptibility mapping based on the geomorphic features after the occurrence of landslides will inevitably reduce the reliability of the evaluation results. In order to deal with landslide disaster more effectively, this study proposed a landslide susceptibility mapping method based on geomorphic restoration. Firstly, high-resolution remote sensing images and field investigation are used to obtain geomorphic feature data, and the damaged geomorphic features are restored and reconstructed. Then, the influence factor system of landslide susceptibility mapping, which includes 14 influencing factors such as lithology, is established, and the landslide susceptibility model is established by using support vector machine (SVM) model. The results show that the classification of slope units based on geomorphic recovery method is more reasonable, and the landslide susceptibility model has higher prediction accuracy. In conclusion, geomorphic restoration plays a key role in accurately mapping landslide susceptibility, and can provide valuable reference for regional disaster prevention and mitigation.</p></div>","PeriodicalId":500,"journal":{"name":"Bulletin of Engineering Geology and the Environment","volume":"84 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143583597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0