Results 51 to 60 of about 618,112 (173)
Experimental Analysis of Rainfall‐Induced Instability and Failure Patterns in Loess Fill Slopes
Advances in Civil Engineering, Volume 2025, Issue 1, 2025.Due to the complex terrain and topographical constraints of the Loess Plateau, flat land suitable for engineering construction is extremely limited. To address this issue, filling gullies and leveling land has become a common solution, resulting in the widespread use of loess fill slopes across numerous infrastructure projects.
Jinlian Ma +5 more
wiley +1 more source
Dizhen xuebao, 2019 本文提出用四维空间的欧氏距离DFM来表示不同地震震源机制之间的一致性，并以1975年辽宁海城ML7.3地震序列和1999年辽宁岫岩MS5.4地震序列为例分析了主震与前震和余震的震源机制一致性与DFM值之间的关系，其结果显示，当欧氏距离DFM＜50时，两次地震的震源机制接近。为了对若干次地震组成的一组地震的震源机制一致性进行判定，引入了显著性检验方法。根据陈颙提出的震源机制一致性参数K，以符号检验法和统计检验量Z值检验法对岫岩MS5.4地震前小震的震源机制一致性进行了分析，其结果表明，在临近岫岩MS5 ...
Xiangyun Guo +4 more
doaj +1 more source
On the Reduction of Radiation Damping of Dynamic Foundation on Gibson Elastic Halfspace
Shock and Vibration, Volume 2025, Issue 1, 2025.For dynamic machine foundations, it is widely acknowledged that the radiation damping ratio estimated by Lysmer’s analogy method is often overestimated, leading to the adoption of modifications in design codes across various nations. This study explores the underlying reasons for this overestimation, focusing on the less recognized impact of subsoil ...
Hao Li, Xiaohui Cheng, Arnab Biswas
wiley +1 more source
Dizhen xuebao, 2019 为了探究九江—瑞昌地区内的地震活动是否存在动态应力触发关系，本文选用多层黏弹性介质模型，计算了2005年九江—瑞昌MS5.7地震和2011年瑞昌—阳新MS4.6地震产生的动态库仑破裂应力变化。结果显示：九江—瑞昌MS5.7地震产生的动态库仑破裂应力变化，能触发其北东方向的53次地震；瑞昌—阳新MS4.6地震发生后15天内，小震活动增强区及九江—瑞昌MS5.7地震震源区的多次地震活动，可能与其动态应力触发作用有关。
Feifei Dong +6 more
doaj +1 more source
Journal of Geophysical Research: Solid Earth, Volume 129, Issue 8, August 2024.Abstract The Anninghe Fault (ANHF) is a major left‐lateral strike‐slip fault in southwestern China and one of the main seismogenic fault zones with a history of strong earthquakes. To understand the frictional properties of natural granitic gouges from the principal slip zone, we conducted hydrothermal friction experiments using both saw‐cut and ring ...
Huiru Lei +3 more
wiley +1 more source
ボバース臨床推論フレームワーク:脳性麻痺を含む神経発達学的病態の複雑性に対するシステマチックサイエンスのアプローチ
Developmental Medicine &Child Neurology, Volume 66, Issue 8, Page e112-e119, August 2024.要旨 現在、発達領域で推奨されているボバース臨床推論フレームワーク(Bobath Clinical Reasoning Framework: BCRF)によるボバース実践を、システム科学のレンズによって概念化し、小児期発症の障害に関連する様々な変数の相互関係・相関依存に対する全人的観点を提供する。BCRFはICFの各領域間の関係性を理解し、それぞれがどのように影響を与え、どのように影響を受けるのかを理解する助けとなる臨床推論の詳細なフレームワークである。BCRFは介入計画へとつながる観察に基づく学際的なシステムであり、実践的な推論のアプローチである。BCRFにより脳性麻痺(Cerebral Palsy: CP)などの障害における複雑な状況を全人的に理解し ...
Margaret J. Mayston +2 more
wiley +1 more source
利用剪切波分裂研究四川九寨沟MS7.0地震震源区的地壳应力场
Dizhen xuebao, 2019 本文讨论了2017年8月8日九寨沟MS7.0 （MW6.5）地震之后震源区的地震活动性，并针对震后九寨沟地区架设的4个流动地震台站记录到的地震波形数据进行了剪切波分裂参数的计算，分析了震源区地壳应力场的特征性变化。九寨沟MS7.0地震的地震活动性表现为：8月8日主震后震源区地震活动明显增强，直至8月22日之后才有所下降，余震震级整体也呈降低趋势，震级多集中在MS2.0以下。震源区4个流动台站的剪切波分裂结果表明：快波偏振方向近似为东西向，揭示了九寨沟地区的区域应力场方向为近似东西向 ...
Sha Liu +3 more
doaj +1 more source
Disasters, Volume 48, Issue S1, July 2024.Abstract Disaster research predominantly focuses on citizens, not on migrants. This tilted spotlight needs to be readjusted, since many advanced countries around the world have become immigration countries, and safeguarding the lives of migrants at times of disaster has become an important and immediate policy issue.
Yasuko Hassall Kobayashi
wiley +1 more source
, 1979 地震的孕育发展,主要是和地壳的受力、变形、能量的逐步积累和集中、岩层突然断裂和错动、应变能释放、发生地震及震后的调整等有关的力学过程,同时伴随着地球物理、地球化学的变化,并且是与大气物理、天体物理等有联系的复杂过程。 地震力的产生,与地球自转速率的变化、地球内部物质的流动与能量的转化等因素有关 ...
王震鸣
core
Constraining Shear Strength of Fault Damage Zone Using Geodetic Data and Numerical Simulation
Geophysical Research Letters, Volume 51, Issue 10, 28 May 2024.Abstract Shear strength of damage zone, representing the stress threshold for rupture initiation, is a critical parameter in faulting mechanics. Despite its significance, the damage‐zone's shear strength has not been estimated in natural earthquake ruptures.
Chenglong Li +4 more
wiley +1 more source