Results 11 to 20 of about 1,731 (151)

UAV Based Agricultural Planning and Landslide Monitoring [PDF]

open access: yes, 2017
Unmanned Aerial Vehicle (UAV) is finding a wide application field in areas such as map production, land survey, landslide, erosion, agricultural activities, and forest fires monitoring.
Susam, Tekin   +2 more
core   +3 more sources

Current status and developing recommendations of tailings dam failure [PDF]

open access: yes, 2018
This is the final version of the article. Available from Hindawi Publishing Corporation via the DOI in this record.Tailings dam failure accidents with limited emergency response time and huge potential threats, can often lead to heavy casualties and ...
Bu, L   +4 more
core   +1 more source

Analysis of high-position landslide characteristics based on multi-source remote sensing data:A case study of the Yanwo Village landslide in Rongshan Town, Lizhou District, Guangyuan City [PDF]

open access: yes, 2023
On October 6, 2021, a high-position landslide disaster occurred in Yanwo Village,Rongshan Town, Lizhou District, Guangyuan City,Sichuan Province, around 13: 00.
Dewei HE   +3 more
core   +1 more source

潜在地震滑坡的概率危险性分析

open access: yesDizhen xuebao, 2023
采用第五代地震动参数区划图的潜在震源区划分方案并结合Newmark位移模型,基于陇县工程地质岩性特征及地形高程数据,考虑地震动地形放大效应以及Newmark模型参数的不确定性,得出陕西陇县地区的地震动发生率为50年10%水平下滑坡的失稳概率,根据所得结果将研究区的潜在地震滑坡危险程度分为四个等级:极低危险区、低危险区、中危险区、高危险区。中、高危险区主要集中于陇县地区的泥岩、粉砂岩以及黄土覆盖地且斜坡坡度大于 40° 的地区,其中千河及其通关河两岸部分地区的地震滑坡危险性较高 ...
Guochao Fu   +3 more
doaj   +1 more source

Test and Research on the Rheological Damage Properties of Sandstone under Dynamic stress field-Seepage field coupling [PDF]

open access: yes, 2016
机械振动、交通荷载、地震等产生的动应力场与降雨等因素所产生的渗流场耦合,会加快软岩的流变损伤,导致滑坡、崩塌、泥石流等严重的地质灾害。因此,加强对动应力场-渗流场耦合作用下软弱岩体的动态流变损伤特性的研究具有重要的理论和实际意义。论文以软弱砂岩为研究对象,利用重庆大学煤炭灾害与控制国家重点实验室的RLW-2000M煤岩三轴流变试验机研究了砂岩在动应力场-渗流场耦合作用下的动态流变损伤特性。具体的研究内容如下: (1)通过采集-钻芯-切割-打磨-浸泡等过程制备饱和的砂岩试样,根据砂岩试样的全应力 ...
蔡亮
core  

道路与环境:极大的责任对于在基础设施中工作的每个人 [PDF]

open access: yes, 2018
虽然没有多少人认为它,但街道与环境之间的联系非常紧密。Roads and the environment: the infrastructure engineer responsibilitiesIl n'y a pas beaucoup de monde qui pense que le lien entre la rue et l'environnement est très ...
Villani, Paola   +1 more
core  

青川刨地里地震滑坡发育特征及其成因机制探讨

open access: yesDizhen xuebao
以“5·12”汶川地震诱发的青川县刨地里滑坡为例,现场调查了滑坡的地质特征,并基于离散元软件(UDEC)分析了1号滑坡动力响应及变形破坏过程,探讨了滑坡的成因机制。现场调查表明,刨地里1号滑坡具有近水平“上硬下软”的地层结构,其中石坎断层穿过了滑坡后缘;滑坡堆积体的岩性分带特征表明,刨地里1号滑坡下部千枚岩先于上部硅质岩被破坏,且破坏时间早于2号和3号滑坡;数值模拟研究揭示,峰值加速度放大效应在断层带附近的千枚岩内最强,其放大系数达6.79,导致下层千枚岩首先沿陡倾面产生拉裂破坏 ...
Junyi Li   +3 more
doaj   +1 more source

黄土丘陵沟壑区浅层滑坡和崩塌形态特征与发育临界地形

open access: yesShuitu Baochi Xuebao, 2022
退耕还林(草)工程的深入实施有效遏制了黄土高原水土流失,但以浅层滑坡和崩塌为主的重力侵蚀在黄土高原广泛分布,且已成为小流域侵蚀泥沙主要来源之一。为探究黄土丘陵沟壑区浅层滑坡和崩塌的形态特征和发育临界地形,在陕西省安塞区纸坊沟小流域调查了53处浅层滑坡和40处崩塌,记录其植被特征,同时进行无人机摄影测量。结果表明:浅层滑坡的规模通常大于崩塌,且形态变化范围更大;浅层滑坡长度、宽度、周长和面积与沟壑密度呈显著负相关(P120.0%)、地形湿度指数和径流流路长度较小(
邢书昆   +3 more
doaj  

Realization of Pan Jiazheng′s extremum principle with optimization methods [PDF]

open access: yes, 2017
2007-2008 > Academic research: refereed > Publication in refereed journalVersion of ...
Cheng, YM, Wang, JA, Zhao, ZH
core  

Shang:Earthquake landslides cause multiple disasters [PDF]

open access: yes, 2023
Most of the earthquakes recorded during the Shang and Zhou Dynasties were in the West Sichuan-Shaanxi-Gansu border area,where mountain collapses were very common.
Rui Feng
core   +1 more source

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