Impact force of debris flow on filter dam

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August undefined, 2024

Witryna5 wrz 2024 · In this study, we present a new method to calculate debris flow slurry impact and its distribution, which are critical issues for designing countermeasures against debris flows. There is no unified formula at present, and we usually design preventive engineering according to the uniform distribution of the maximum impact … Witryna17 maj 2024 · Debris flow impact force is an important factor for controlling structural damage, and it is the key factor for engineering design and risk assessment. Variation laws of debris flow impact force play an important role in preventing check dam impact damage and providing technology, data and support for check dam construction. …

A study on the debris flow-induced impact force on check dam …

Witrynagreater impact force. When dams are empty, we found that the maximum impact force appears at h/3 of the tooth. However, in actual situation, when debris ﬂow impact … Witryna1 gru 2024 · The check dam was regarded as an elastic part, and it was modeled as being 1.5 m high, 1 m wide, and 0.5 m thick. The Eulerian elements were applied to the debris flow, erodible sediment and void area (Fig. 1 a), and the Lagrangian elements were applied to the bedrock components and check dam (Fig. 1 b).Gravitational … portal imss facturas

Impact of dry granular masses on rigid barriers - IOPscience

Witryna18 lip 2012 · The objective of this study is to analyse adaptable debris-flow impact models, which are very important for mitigation measurements and buildings using their sphere of influence. For this reason, 16 debris-flow experiments, on a small-scale modelling approach, were performed. Impact forces were measured with a force … Witryna15 kwi 2024 · Huang HP, Yang KC, Lai SW (2007) Impact force of debris flow on filter dam. Momentum 9:1–32. Google Scholar Hübl J, Suda J, Proske D (2009) Debris … Witryna1 paź 2024 · 1. Introduction. Debris flows are rapid, gravity-driven flows of sediment–water mixtures that can be greatly destructive because of their huge … irsn formation radon

Spatial-temporal distribution of debris flow impact pressure …

IMPACT FORCE OF DEBRIS FLOW ON FILTER DAM - 百度学术

WitrynaRiver floodplains are sites of extremely high environmental and ecological value due to high biodiversity. Floodplain lakes (FPLs) are essential parts of complex floodplain ecosystems’ biological and hydro-chemical processes. Clear seasonal cycles, determined by the regime of the parent river and closely linked to climatic conditions, … Witryna30 mar 2024 · Analysis of the impact force of 38 debris flow surges gives an empirical value for the ratio of the hydrodynamic pressure to the momentum flow density, i.e. … irsn formation radioprotectionWitryna15 kwi 2024 · Huang HP, Yang KC, Lai SW (2007) Impact force of debris flow on filter dam. Momentum 9:1–32. Google Scholar Hübl J, Suda J, Proske D (2009) Debris flow impact estimation steep slopes. In Proceedings of the 11th International Symposium on Water Management and Hydraulic Engineering, Ohrid, Macedonia. pp 1–5. portal igss guatemala

"Witryna30 mar 2024 · In this article, we present the Grand Valey torrent site (Italian Alps). A monitoring system made up of strain gauges was installed on a filter barrier at the site, allowing the evaluation of impact forces. The system provides pivotal information for calibrating impact formulae. Two debris flows occurred during the monitoring period. " - Impact force of debris flow on filter dam

Impact force of debris flow on filter dam

Dynamic analysis and numerical modeling of the 2015 …

WitrynaThe recorded strains can be explained if the impact force is assumed to be inclined with respect to the main direction of the channel. This causes biaxial bending B Leonardi, … Witryna1 paź 2024 · The dynamic impact force of debris flow on dams with a curved upstream face curved was investigated using laboratory experiments and a theoretical approach. Equations describing the impact force and maximum run-up height were derived. The experiments and theoretical considerations reveal that the impact force and …

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WitrynaIMPACT FORCE OF DEBRIS FLOW ON FILTER DAM. H. Huang, Kai Yang, Shao-Wun Lai. Published 2007. Engineering. On the aspect of impact force, present design of … Witryna1 lut 2024 · The results show that the impact force of the debris flow is obviously affected by the bulk density. When the bulk density is 21 kg/m 3, the maximum …

Witryna14 mar 2024 · The basal force is one of the important components of debris flow impact force, and the basal forces generated by debris flows can be measured using force plates on the channel floor or check dam and have been used to study debris-flow properties and bed erosion mechanisms (e.g., Berger et al., 2011a; Berti et al., 2000; … Witrynacontrol dam (ECD) is to block debris ﬂow directly with structure. It is the most applicable as well as eﬀective in ... model parameters for debris-ow impact force model were induced based on the experiment results, and regression ... 3.1.2. Variations of Flow Characteristics and Impact Force under Experimental Conditions.

Witryna2 kwi 2024 · Two model tests are presented to investigate the performance of berm and elastic dam for debris flow [2,3]. Three papers adopted the advanced meshless method to simulate model tests and real debris flow [4,5,6]. ... The essential part of barrier design is the determination of impact force. However, an impact force is mostly … Witryna7 wrz 2024 · A multi-physics sophisticated modeling approach is used, in which a dam break-induced flow is simulated via particles, the debris and bridge via continuum elements, and the interaction of the ...

Witryna1 lut 2013 · For the sake of study on the debris flow impacting on structure, many researchers studied the effect of various structures suffering from debris flow, …

WitrynaCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): On the aspect of impact force, present design of filter dams and check dams often refers to the empirical models. However, after reviewing literature, we found that there is a great variety between models. It will be an uneconomical way if we overestimate the … irsn frWitrynaI Introduction Filter dams can be effectively used to block big boulders and thus reduce boulder impact on downstream constructions. Hence, the dam itself should resist this … irsn rpl temoin trimestrielWitryna30 mar 2024 · Analysis of the impact force of 38 debris flow surges gives an empirical value for the ratio of the hydrodynamic pressure to the momentum flow density, i.e. the product of debris-flow density and ... irsn twitterWitryna20 cze 2024 · Small check dams are widely used in the Republic of Korea to mitigate and prevent sediment-driven damages by mountain torrents. This study aimed to quantify the combined effects of debris … irsn orsayWitrynaGalvanized wire gabions can be placed in front of trees to lessen the debris-flow impact force, and bushes can be planted in front of deposition retaining walls to increase their aesthetic value. ... The blocking structure is composed mainly of debris, beam, silt and filter dams, and it intercepts and stores debris flows, regulates the debris ... irsn radioprotectionWitryna1 wrz 2024 · The laboratory test for debris-flow impact on check dams, which was carried out by Moriguchi et al. [25], was simulated for the validation of the 3D FE … irsn finWitryna17 gru 2024 · Impact force is a crucial factor to be considered in debris-resisting structure design. The impact of debris flow against a structural barrier depends not … portal imath