landslide process in the metal
Displacement and landslide forecast based on an improved ...
Landslide forecasting is one of the emerging frontier topics in geotechnical engineering because of its need to deal with both abrupt change and complexity. Based on previous investigation and our experience with Saito's method, an improved Saito curve was drawn with four stages corresponding to the displacement process of the position on the back of the landslide. The equations and curves ...
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See the Light: LiDAR Data Help Expose Landslide Hazards ...
For example, if a landslide aligned clay minerals in the sliding process, GPR can be used to map its base by revealing the contrast between those minerals and the adjoining material. Beyond that, however, GPR isn't useful for mapping landslide hazards, because of the following:
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Mechanical Behavior Analysis of the Buried Steel Pipeline ...
Landslide movement is one of the threats for the structural integrity of buried pipelines that are the main ways to transport oil and gas. In order to offer a theoretical basis for the design, safety evaluation, and maintenance of pipelines, mechanical behavior of the buried steel pipeline crossing landslide area was investigated by finite-element method, considering pipeline-soil interaction.
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Engineering Measures for Landslide Disaster Mitigation
2. Landslide disaster mitigation options Risk mitigation is the final stage of the risk management process and provides the methodology of controlling the risk. At the end of the evaluation procedure, it is up to the client or policy makers to decide whether to accept the risk or not, or to decide that more detailed study is required. The landslide
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Landslide Hazard Information - Causes, Pictures, Definition
The Landslide Process. The term "landslide" describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a combination of these. The materials may move by falling, toppling, sliding, spreading, or flowing.
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Heavy Metal Detox Symptoms & Detoxification | Goop
The process is a lot like passing a football (the heavy metals are the football, metal-grabbing foods are the teammates, and the finish line represents elimination of waste). Even the fastest running backs can't take the football to the finish line on their own—they need their teammates to …
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The Strength of Aluminum | The Aluminum Association
This process freezes the atoms in place strengthening the final metal. Alternatively, some aluminum is "cold worked" -- usually by rolling, stretching forging or drawing -- to make it stronger. This process inhibits the movement of atoms relative to each other, strengthening the finished product.
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landslide | National Geographic Society
A landslide is the movement of rock, earth, or debris down a slope d section of land. Landslides are caused by rain, earthquake s, volcano es, or other factors that make the slope unstable . Geologist s, scientists who study the physical formations of the Earth, sometimes describe landslides as one type of mass wasting.
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Deputies recover body of 50-year-old woman 10 days after ...
Multnomah County Sheriff's deputies recovered the body of a 50-year-old woman Saturday after her car was swept away and buried by a landslide in …
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Investigation of a Small Landslide in the Qinghai-Tibet ...
Investigating by the unmanned aerial vehicle and metal ruler, the landslide with a volume of about 2.4 × 10 4 m 3 covered about 1.6 × 10 4 m 2 where a deep pit formed a diameter of about 70 m, the head wall of landslide was more than 8.5 m thick, the sliding length was about 397 m, the average width was about 32 m and the deposit. Due to the ...
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Woman's body found under 15 feet of debris 10 days after ...
Woman's body found under 15 feet of debris 10 days after car swept away in landslide. A high-powered metal detector had to be used to find her underneath the debris.
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Monitoring - USGS
Scientists in the USGS Landslide Hazards Program work with colleagues at the Colorado School of Mines and other agencies and institutions to monitor selected landslides and hillsides in order to learn more about the physical processes that trigger landslides or control their movement.
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Home | Understanding Landslides
Piles are metal beams (should not be made from wood because they can rot and are not as robust as metal) driven into the soil, extending into a firm rock layer below the landslide. Extra support, given by tiebacks (rods attached to a firm rock layer in the slope) and buttressing beams (beams placed at an angle downslope from the piles), may be ...
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Remote Sensing | Free Full-Text | Landslide ...
During this monitoring period, the creeping process of the Muyubao landslide showed obvious spatiotemporal deformation differences. The changes in the reservoir water level were the trigger of the Muyubao landslide, and its deformation mainly occurred during the fluctuation period and high-water level period of the reservoir. View Full-Text
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Techniques for Landslide Mitigation - GeoXchange
3. Drainage Techniques for Landslide Mitigation. Groundwater is one of the major contributors in triggering a landslide. Therefore, to hamper the initiation of a landslide proper drainage system is required to prevent erosion and potential slumping of the surface. There are various drainage techniques that help in the slope stabilization process.
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Failure analysis and safety evaluation of buried pipeline ...
During the landslide process, the quartic polynomial displacement is applied on the soil of landslide field (as shown in Fig. 8b), and the entire piping system will deform under the given ground-induced actions. Download : Download full-size image; Fig. 9. Finite element model of the infinite SLAHD.
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Landslide Types and Processes - USGS
parts of a landslide. TYPES OF LANDSLIDES The term "landslide" describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a com-bination of these. The materials may move by falling, toppling, sliding, spreading, or flowing.
ادامه مطلبWorld's Largest Landslides: Heart Mountain and Storegga
Heart Mountain Landslide (Subaerial) The largest known subaerial landslide is the Heart Mountain Landslide in northwestern Wyoming. Although this landslide occurred about 50 million years ago, it was so large that weathering, erosion, and volcanic activity have not yet obscured all of the evidence.
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Landslides Flashcards | Quizlet
Define: MASS WASTING. Downslope movement of rock or sediment as a result of gravity. Mass wasting = land slide. T/F: the difference between mass wasting and landslide is the movement speed. FALSE. Terms are used interchangeably, regardless of movement speed. Movement is classified as rapid if: it can be detected by the naked eye. What are the ...
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What Are Landslides And How Do They Occur?
A landslide generally refers to the downhill movement of rock, soil, or debris. The term landslide can also refer to the deposit that is created by a landslide event. This fact sheet is meant to provide general information only; real landslides have many variables. THE ROLE OF GRAVITY Landslides nearly always move down a slope. This is because the
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Landslides and Mudslides|CDC
Landslides occur when masses of rock, earth, or debris move down a slope. Debris flows, also known as mudslides, are a common type of fast-moving landslide that tends to flow in channels. Landslides are caused by disturbances in the natural stability of a slope. They can accompany heavy rains or follow droughts, earthquakes, or volcanic eruptions.
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Tavoularis: Landslide susceptibility mapping using the ...
2.4 Application of Model Builder in landslide susceptibility mapping. The susceptibility approach was designed by the USGS in the 1960s as a qualitative way to prepare landslide maps or to delineate zones affected by landslides, assessing the propensity of a given slope unit to generate a landslide based on spatial data (Brabb et al., 1972).
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Landslide-Induced Wave Hazard in the village of Chungtangh ...
The size of the expected landslide zone was determined based on available geological information and surrounding landslide observations. A 30,000 m³, 100 m high landslide was simulated with a mesh of 3.1 million cells. Uniform cells of 3 m sides, by 1 m high were used. Maximum sliding velocity reached 23 m/s at point of entry.
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Low-cost landslide sensor tested in Philippines - SciDev.Net
Geologists then process and analyse the data, ... Catane said the eventual widespread deployment of the landslide sensors is also an opportunity to create a database on landslides in the country, and could trigger an interest in this area of geology. ... apparently to be sold as scrap metal.
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HOW TO PREPARE FOR A LANDSLIDE | Understanding Landslides
Piles are metal beams (should not be made from wood because they can rot and are not as robust as metal) driven into the soil, extending into a firm rock layer below the landslide. Extra support, given by tiebacks (rods attached to a firm rock layer in the slope) and buttressing beams (beams placed at an angle downslope from the piles), may be ...
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Landslide stability analysis based on random-fuzzy ...
Taking Liangshuijing landslide as a case, considering the uncertain factors in the landslide stability analysis process, the landslide random-fuzzy reliability is analyzed in the paper, based on the sliding soil shear strength parameters testing and groundwater monitoring data.
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NHESS - Application of the Levenburg–Marquardt back ...
Abstract. Landslide disasters are one of the main risks involved with the operation of long-distance oil and gas pipelines. Because previously established disaster risk models are too subjective, this paper presents a quantitative model for regional risk assessment through an analysis of the patterns of historical landslide disasters along oil and gas pipelines.
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landslide | Definition, Types, Causes, & Facts | Britannica
landslide, also called landslip, the movement downslope of a mass of rock, debris, earth, or soil (soil being a mixture of earth and debris). Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to shearing) of the materials that form the slope.. Shear stresses can be built up within a slope by a number of processes.
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PROPERTIES, IDENTIFICATION, AND HEAT TREATMENT OF …
tough metal can withstand considerable stress, slowly or suddenly applied, and will deform before failure. HARDNESS Hardness is the ability of a metal to resist penetration and wear by another metal or material. It takes a combination of hardness and toughness to withstand heavy pounding. The hardness of a metal limits the ease with which it can be
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Real-Time Monitoring for Potential Landslides
Real-time monitoring of landslides. Landslides cause fatalities and property damage throughout the Nation. To reduce the impact from hazardous landslides, the U.S. Geological Survey develops and uses real-time and near-real-time landslide monitoring systems. Monitoring can detect when hillslopes are primed for sliding and can provide early ...
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