نتایج جستجو برای: rockfill

تعداد نتایج: 302  

Journal: :Water 2021

The rockfill toe structure situated within the downstream slope of dams is an integral part a defense mechanism safeguarding dam in throughflow situations. Recent studies have concluded that can significant impacts on development and stability under scenarios accidental caused by overtopping core. ability to numerically model effect various configurations flow through support design effective d...

Journal: :Water 2022

This article presents experimental research focusing on the structural failure of central core a rockfill dam using sand-bentonite mixtures. It comprised an extensive geotechnical characterization soil materials and mixtures, including compaction strength tests, as well construction 1 m high 1.5 wide physical models. The displacements cohesive cores were recorded tailored measuring system, base...

Journal: :Water 2022

Settlement prediction is of great importance for safety control concrete-face rockfill dams (CFRDs) during the operation stage. However, accuracy achieved by commonly used hydrostatic–seasonal–time (HST) methods, without consideration previous conditions influencing factors, not competitive. Moreover, in most settlement data at each monitoring point are modeled individually; correlation relatio...

Journal: :Buildings 2022

With the increasing height of rockfill dams, detailed and effective numerical simulation for dam design construction has become increasingly important. This paper develops a finite element program impoundment process high large-scale earth dams studies influence accuracy on deformation crack analysis. By establishing subdivision mode conventional elements, mesh generation is realized. Using row...

2017
Qingzhao Kong Hongli Chen Yi-Lung Mo Gangbing Song

A quantitative understanding of soil water content or soil water status is of great importance to many applications, such as landslide monitoring, rockfill dam health monitoring, precision agriculture, etc. In this paper, a feasibility study was conducted to monitor the soil water content in real time using permanent embedded piezoceramic-based transducers called smart aggregates (SAs). An acti...

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