Gonghui Wang
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View article: Development of a nomogram model for predicting pulmonary tuberculosis activity
Development of a nomogram model for predicting pulmonary tuberculosis activity Open
Timely and accurate identification of active pulmonary tuberculosis (APTB) is essential for effective treatment and public health control. This study aimed to develop a predictive nomogram using routine laboratory parameters to distinguish…
View article: Evolution of Basal Force Fluctuations and Seismic Signals of Granular Flows and Their Proxy: Insights From Laboratory Flume Experiments
Evolution of Basal Force Fluctuations and Seismic Signals of Granular Flows and Their Proxy: Insights From Laboratory Flume Experiments Open
The forces exerted by geophysical granular flows on Earth's surface, and the resulting seismic signals, can be used to monitor natural geohazards and understand their dynamic evolution and characteristics. Substantial research has focused …
View article: Mechanism of enhanced mobility of glacial debris flows induced by ice and rock avalanches in southeast Tibet, China: Insights from impact loading tests
Mechanism of enhanced mobility of glacial debris flows induced by ice and rock avalanches in southeast Tibet, China: Insights from impact loading tests Open
Glacial debris flows, which are induced by ice and rock avalanches, pose an increasing threat to human life and critical infrastructure under climate change. Therefore, the movement characteristics of debris flows induced by ice and rock a…
View article: Comminution‐Induced Transient Frictional Behavior in Sheared Granular Halite
Comminution‐Induced Transient Frictional Behavior in Sheared Granular Halite Open
Grain comminution is commonly observed in numerous geological settings. To elucidate the role of grain comminution in dry granular friction, we sheared breakable halite (NaCl) grains using a ring‐shear configuration at a constant slip rate…
View article: Shear Behaviors of Confined Flow: Insights for Understanding the Influences of Fractal Particle Size Distribution on High Mobility of Granular Flows
Shear Behaviors of Confined Flow: Insights for Understanding the Influences of Fractal Particle Size Distribution on High Mobility of Granular Flows Open
Granular flows, such as rockslide debris flows, can reach high velocities and travel vast distances, but mechanisms behind this high mobility remain elusive. Using the Discrete Element Method, we implement confined shear flow with fractal …
View article: Geologic, Topographic, and Seismic Characteristics of Large Landslides Triggered by 2023 Kahramanmaras Earthquakes, Türkiye
Geologic, Topographic, and Seismic Characteristics of Large Landslides Triggered by 2023 Kahramanmaras Earthquakes, Türkiye Open
The devastating Kahramanmaras earthquake sequence occurred on February 6, 2023. Two main events, Mw 7.8 and Mw 7.5, occurred 9 hours apart, affected 11 cities in Türkiye, and affected an area of ∼90,000 km2. This was the stronge…
View article: Moisture migration on the shear zone controls landslide failure models
Moisture migration on the shear zone controls landslide failure models Open
water migration can influence shear strength of soil which depends on the type of water migration on shear zone.These results reveal that the volumetric change of soil not only has great influence on shear behavior during wetting but also …
View article: Comminution-induced Transient Frictional Behavior in Sheared Granular Halite
Comminution-induced Transient Frictional Behavior in Sheared Granular Halite Open
Drastic grain comminution is frequently observed in upper-crust faults and large rock avalanche deposits. Here we report our model experiments to elucidate the possible role of grain comminution in dry granular friction. We sheared halite …
View article: Editorial: Multidisciplinary Loess Geohazard Investigations
Editorial: Multidisciplinary Loess Geohazard Investigations Open
Editorial paper
View article: Initiation and mobility of irrigation-induced loess flowslide recurrence on the Heifangtai area in China: Insights from hydrogeological conditions and liquefaction criteria
Initiation and mobility of irrigation-induced loess flowslide recurrence on the Heifangtai area in China: Insights from hydrogeological conditions and liquefaction criteria Open
The Heifangtai area is commonly known as the museum of loess landslides in China. Irrigation-induced loess flowslides frequently recur along the margin cliffs of the Hefaingtai terrace, causing 42 fatalities and significant economic losses…
View article: Surface tilt deformation of soil landslides based on laboratory and field tests
Surface tilt deformation of soil landslides based on laboratory and field tests Open
In recent years, surface tilt deformation of soil landslides has become an important indicator of landslide monitoring and early warning, but few studies have been done on the relationship between the slope surface tilt deformation and dev…
View article: Landslide Location and Generation Characteristics Estimated Using Seismogram records
Landslide Location and Generation Characteristics Estimated Using Seismogram records Open
2017年九州北部豪雨によって7月6日午前9時45分ごろに大分県日田市小野地区で発生した大規模な斜面崩壊に伴い，定常地震観測網の複数の地震観測点において斜面崩壊による地震動が捉えられた．地震動は約1分の間隔をおいて2つからなり，波形の形状や卓越周波数は既往研究で報告されている斜面崩壊に伴う地震動記録と類似していた．2つの地震動の震動源を振幅震源決定法（ASL法）によって地震動の振幅から推定したところ，両者とも観測値と予測値の残差が小さな領域に崩壊域が位置し，斜面崩壊によって…
View article: Characteristics of mechanical response and acoustic emission during granular shearing
Characteristics of mechanical response and acoustic emission during granular shearing Open
<p>The shear behavior of granular materials has drawn considerable attention due to its great potential for various geophysical processes such as landslides and debris flows. Field and remote sensing observations reveal that the prog…
View article: Stabilization of Loess Using Nano-SiO2
Stabilization of Loess Using Nano-SiO2 Open
Improving the performance of loess is of significant importance for lowering its collapsibility and water sensitivity to construction requirements and for geohazard mitigation. The present paper studies the changes in mechanical, structura…
View article: Clayey Landslide Initiation and Acceleration Strongly Modulated by Soil Swelling
Clayey Landslide Initiation and Acceleration Strongly Modulated by Soil Swelling Open
Largely unknown mechanisms restrain motion of clay‐rich, slow‐moving landslides that are widespread worldwide and rarely accelerate catastrophically. We studied a clayey, slow‐moving landslide typical of thousands in Northern California, U…
View article: Hydrogeology of the groundwater in crystalline schist landslides in Shikoku, Japan
Hydrogeology of the groundwater in crystalline schist landslides in Shikoku, Japan Open
地すべり地の地下水については, その起源を知り, 地すべり地への流入個所や経路を知ることができれば, 地すべり活動にどのように影響するかを推定し, ひいては合理的な地下水排除計画に資することができる。本研究ノートでは, 四国の3つの結晶片岩地すべりで実施した, 水質分析の結果を基にして行った地下水の経路 (水みち) の推定過程について論述する。地下水の水質指標の中ではHCO3-, SO42-の2つのイオンが地すべり活動にとって重要であることを確認した。HCO3-は地すべり移…
View article: Shear Resistance Variations in Experimentally Sheared Mudstone Granules: A Possible Shear‐Thinning and Thixotropic Mechanism
Shear Resistance Variations in Experimentally Sheared Mudstone Granules: A Possible Shear‐Thinning and Thixotropic Mechanism Open
We present results of ring shear frictional resistance for mudstone granules of different size obtained from a landslide shear zone. Little rate dependency of shear resistance was observed in sand‐sized granules in any wet or dry test, whi…
View article: Shear Resistance Variations In Experimentally Sheared Mudstone Granules: A Possible Shear-Thinning And Thixotropic Mechanism
Shear Resistance Variations In Experimentally Sheared Mudstone Granules: A Possible Shear-Thinning And Thixotropic Mechanism Open
The dataset contains the experimental data used in the paper.
View article: Shear Resistance Variations In Experimentally Sheared Mudstone Granules: A Possible Shear-Thinning And Thixotropic Mechanism
Shear Resistance Variations In Experimentally Sheared Mudstone Granules: A Possible Shear-Thinning And Thixotropic Mechanism Open
The dataset contains the experimental data used in the paper.
View article: Seismic Observation at a Gravitationally Deformed Slope
Seismic Observation at a Gravitationally Deformed Slope Open
南海トラフ巨大地震の発生が高い確率で予測される今，どのようなメカニズムで斜面災害が発生するかを理解することが防災・減災のために重要である．本研究では，重力変形斜面や地すべりブロックの地震時の挙動を明らかにするため，加速度センサーと傾斜センサーを組み込んだ新しい一体型プローブを開発した．山間部のボーリング孔内においても使用できるように，一体型プローブは低消費電力，かつ，水深100 mまでの防水，耐圧設計とした．この一体型プローブを，紀伊半島の四万十帯において南海トラフ巨大地震…
View article: GROUND MOTION ESTIMATION AT RESIDENTIAL LAND IN MIFUNE TOWN FOR THE 2016 KUMAMOTO EARTHQUAKE SEQUENCE BASED ON MICROTREMOR MEASUREMENTS AND SEISMIC OBSERVATION
GROUND MOTION ESTIMATION AT RESIDENTIAL LAND IN MIFUNE TOWN FOR THE 2016 KUMAMOTO EARTHQUAKE SEQUENCE BASED ON MICROTREMOR MEASUREMENTS AND SEISMIC OBSERVATION Open
2016年熊本地震の地震動の作用により，御船町営中原団地では，造成宅地の地すべりを伴う深刻な被害が発生した．本稿では，2016年熊本地震の前震時ならびに本震時に，中原団地に作用した地震動を推定した結果について報告する．具体的には，まず，中原団地とその周辺の既存強震観測点において常時微動計測を実施し，地盤震動特性に関する基礎的な検討を行った．次に，中原団地において臨時地震観測を実施し，得られた記録に基づいてサイト増幅特性を評価した．最後に，中原団地と御船町役場において臨時地震…
View article: Ground Motion Evaluation in Residential Area, Minami-Aso Village for the Main Shock of the 2016 Kumamoto Earthquake
Ground Motion Evaluation in Residential Area, Minami-Aso Village for the Main Shock of the 2016 Kumamoto Earthquake Open
本稿では，2016年熊本地震の強震動の作用により造成地すべりを伴う深刻な被害が発生した南阿蘇村の造成宅地，およびその近隣の造成宅地を対象に，地盤震動特性を考慮して本震時に作用した地震動を評価した結果について報告する．具体的には，現地調査に基づいて評価したサイト特性と野津による特性化震源モデルの組合せを用いて，本震時に各々の対象宅地に作用した地震動を推定した．その際，対象宅地周辺の南阿蘇村長陽庁舎で観測された本震記録を再現することで，地震動推定手法の適用性の確認を行った．
View article: Flume tests in wettable and water repellent sands: insights into the initiation of wildfire-related debris flows
Flume tests in wettable and water repellent sands: insights into the initiation of wildfire-related debris flows Open
It is widely accepted that the majority of post-wildfire debris flows are triggered by surface runoff and sediment bulking in response to short duration, high intensity rainfall events. Infiltration-triggered debris flows that result from …
View article: Investigation on the internal structure of Higashi-Takezawa landslide dam using surface wave method and microtremor array measurements
Investigation on the internal structure of Higashi-Takezawa landslide dam using surface wave method and microtremor array measurements Open
2004年10月23日に発生した新潟中越地震により，芋川中流部の東竹沢と寺野地区において地すべりが発生し，天然ダムが形成された。この二つの天然ダムに対して，決壊による二次災害を未然に防止するために，直ちに緊急対策が取られ，順次応急対策及び恒久対策が進められた。天然ダム堤体の内部構造を調査し，より信頼性の高い天然ダム安定性評価手法を開発するため，東竹沢天然ダムに対して，高精度表面波探査および微動アレイ調査を併用し，ダム堤体のS波速度構造を調べた．また，得られたダム堤体のS波速…