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Journal articles on the topic 'Large river crossing'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Rechtman, M. S., J. N. M. Motta, A. Menezes, Silva J. S. S. da, and O. Longo. "Structural Analysis of Steel Transmission Towers for Large River Crossing of Overhead Transmission Lines: A Case Study in Brazil." Engineering, Technology & Applied Science Research 10, no. 6 (2020): 6438–44. https://doi.org/10.48084/etasr.3735.

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This study aims to investigate the structural behavior of steel transmission towers used for large river crossings. Design standards usually applied to analyze these structures don’t consider situations in which the transmission towers are used in river crossings. In Brazil, due to the fact that it is necessary to cross large areas owing to the rivers’ size, these towers assume great heights. It should be noted that the towers can weigh up to 24,500kN and exceed 300m in height. The current study develops an analysis that surpasses the existing standard methodologies, aiming for a s

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Rechtman, M. S., J. N. M. Motta, A. Menezes, J. G. S. Da Silva, and O. Longo. "Structural Analysis of Steel Transmission Towers for Large River Crossing of Overhead Transmission Lines." Engineering, Technology & Applied Science Research 10, no. 6 (2020): 6438–44. http://dx.doi.org/10.48084/etasr.3735.

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This study aims to investigate the structural behavior of steel transmission towers used for large river crossings. Design standards usually applied to analyze these structures don’t consider situations in which the transmission towers are used in river crossings. In Brazil, due to the fact that it is necessary to cross large areas owing to the rivers’ size, these towers assume great heights. It should be noted that the towers can weigh up to 24,500kN and exceed 300m in height. The current study develops an analysis that surpasses the existing standard methodologies, aiming for a structural op

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3

Ostrowski, Piotr, and Marta Utratna-Żukowska. "The new concept for the heavy vehicles crossing in the large lowland riverbeds in the North East Strategic Direction." Journal of Konbin 53, no. 1 (2023): 59–78. http://dx.doi.org/10.5604/01.3001.0016.3239.

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The current method of crossing river channels by heavy vehicles involves engineering equipment such as the Motorized Floating Bridge. It has high efficiency when crossing regulated channels of large European Lowland rivers with stable hydrological conditions. In the case of unregulated rivers of the Polish Lowlands, this concept needs to be modified due to the high variability of water levels and the shape of the river bottom. This paper presents a new approach to crossing the channels of large lowland rivers by heavy vehicles. It is based on hydrological analyses and experience gained during

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4

FADEL MIGUEL, Leandro Fleck, João KAMINSKI Jr., Letícia Fleck Fadel MIGUEL, Jorge Daniel RIERA, and Ruy Carlos Ramos de MENEZES. "DYNAMIC RESPONSE OF A 190M-HIGH TRANSMISSION TOWER FOR A LARGE RIVER CROSSING." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 22, no. 4 (2015): 509–19. http://dx.doi.org/10.3846/13923730.2014.897994.

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The construction of a double circuit 500kV transmission line (TL) in the Brazilian Amazon region is currently in progress. In addition to its length within the rain forest, the TL had to overcome large river crossings and environmental constrains. Among them, the crossing of the Trombetas River is one of the most important, with a total length of more than 5100 m. The proposed design includes two 190 m high towers necessary to attain spans as long as 1600 m. Additionally, the towers had to be supported by concrete columns, 10 m above ground level, due to the annual flooding of the river bed.

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Chen, J. "Key technologies for improving resilience of super-large diameter shield tunnel affected by large variable loads underneath the Yellow River." IOP Conference Series: Earth and Environmental Science 1333, no. 1 (2024): 012012. http://dx.doi.org/10.1088/1755-1315/1333/1/012012.

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Abstract Environmental conditions may have a significant impact on the construction and operation of underground works, and sudden changes in environmental conditions may lead to underground engineering damage. Considering the Yellow River crossing tunnel on Huanggang Road in Jinan as an example, this paper analyzes the mechanical performance of the lining of the shield tunnel with an external diameter of 16.8 m, which faces the challenge of large variable loads in operation stage, such as deep riverbed erosion and deposition, large-scale heightening of river embankment, seasonal changes in gr

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Shevchenko, Natalia, Anatoly Soshinov, and Yulia Lebedeva. "Optimization of design solutions for large overhead line water crossings." Energy Safety and Energy Economy 4 (August 2021): 5–11. http://dx.doi.org/10.18635/2071-2219-2021-4-5-11.

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Safety, reliability, and transmission capacity are crucial for overhead power line waterway crossings. This paper reflects research results of multi-criteria optimization of a projected 220kV overhead line crossing across the Kama river. Five overhead line crossing options have been compared. These options differ by types of wires to be used, including ACSR, TACSR/ACS, ААСSRZ (ВП), АССС, and АСk2y wires. The additive convolution method has been used for selecting the best available option. A multi-criteria analysis has been simplified by one certain supercriterion. As a result, the option with

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7

Chen, Xinyuan, Yiran Wang, and Yuan Zhang. "A Trial-and-Error Toll Design Method for Traffic Congestion Mitigation on Large River-Crossing Channels in a Megacity." Sustainability 13, no. 5 (2021): 2749. http://dx.doi.org/10.3390/su13052749.

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In this study, we addresse traffic congestion on river-crossing channels in a megacity which is divided into several subareas by trunk rivers. With the development of urbanization, cross-river travel demand is continuously increasing. To deal with the increasing challenge, the urban transport authority may build more river-crossing channels and provide more high-volume public transport services to alleviate traffic congestion. However, it is widely accepted that even though these strategies can mitigate traffic congestion to a certain level, they are not essential approaches to address traffic

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Hu, Jun, Hui Zeng, and Xiao Bin Wang. "Study on Construction Risk Analysis and Risk Counter-Measures of River-Crossing Tunnel of Large-Diameter Metro." Applied Mechanics and Materials 166-169 (May 2012): 2680–83. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.2680.

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There are numerous difficulties and risks in the construction of river-crossing tunnel of large-diameter metro. How to ensure the safety of the project and reduce the construction risk is the key issue requiring urgent solution. This paper, taking a project of constructing river-crossing tunnel of large-diameter metro as the research background, compared and selected the methods of constructing this river-crossing tunnel. Large-diameter slurry shield machine was recommended to conduct digging construction. Then, possible risks of the selected construction method were analyzed and summarized in

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9

Sosnowska, Anna. "Dynamics of mid-channel bars in the Middle Vistula River in response to ferry crossing abutment construction." Open Geosciences 12, no. 1 (2020): 290–98. http://dx.doi.org/10.1515/geo-2020-0049.

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AbstractThe investigation focused on the non-migrating mid-channel bars that emerged in the river channel as a consequence of river engineering. A reach of around 280 km of Middle Vistula River (Poland) was taken into account as the study site. The most vivid examples of the river engineering works potentially influencing the river channel are the ferry crossings. Along the Middle Vistula River reach, there are 17 ferry crossings that were constructed from 1970s to 1990s. A cartographic analysis was carried out to determine the influence of the ferry crossing construction over the river channe

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Nganro, Sudirman, Arifuddin Akil, Irfandi Ma’mur, et al. "The Role of Three Rivers Crossing the Urban Area on the Masamba 2020 Flash Floods." Journal of Asian Geography 4, no. 1 (2025): 1–9. https://doi.org/10.36777/jag2025.4.1.1.

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Masamba, the capital of North Luwu Regency in South Sulawesi Province, Indonesia, experienced a devastating flash flood in 2020. The disaster caused casualties, extensive damage to infrastructure and facilities, and the displacement of residents. This event resulted from a combination of high-intensity rainfall, topographical factors, and soil characteristics, which led to river overflows. From an environmental geography perspective, Masamba's urban area is intersected and flanked by multiple rivers. The floodwaters carried landslides and debris, including large chunks of wood, which accumulat

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Korzh, Anton. "Locations of Ancient Fords on the Sula River." Arheologia, no. 1 (March 29, 2023): 57–68. http://dx.doi.org/10.15407/arheologia2023.01.057.

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It is known that from ancient times rivers were not only a source of water and certain types of food, but also significant obstacles for overland travel. This especially applies toto the second-order watercourses, the length of which reached hundreds of kilometers, making it simply impossible to bypass them, including the right tributary of the Dnipro River — the Sula. Therefore, usually the most convenient places were chosen to overcome the water obstacle, which had optimal conditions, namely the width and depth of the channel, the speed of the current, the convenience of the coastline, etc.

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Liu, Guan Shui, Zong Liang Li, Shi Ming Wu, and Lu Qing Yu. "Monitoring of Large Section Tunnel Crossing Qiantang River during Operation Period." Applied Mechanics and Materials 226-228 (November 2012): 1517–23. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.1517.

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The foreign precision monitoring equipment was used for long term health monitoring in the large diameter tunnel of Hangzhou Qingchun-road. Based on field monitoring data, the force and deformation of the large section crossing-river tunnel during operation period were summarized and analyzed. A detailed analysis of the effect of tide and scour on the tunnel interface force and tunnel settlement were given. Data shows accumulations of both longitudinal settlement of tunnel segments and the earth pressure distribution around the tunnel lining under the loads of both traffic and tide which resul

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13

Dostál, Ivo, Marek Havlíček, and Josef Svoboda. "There Used to Be a River Ferry: Identifying and Analyzing Localities by Means of Old Topographic Maps." Water 13, no. 19 (2021): 2689. http://dx.doi.org/10.3390/w13192689.

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River ferries were historically important in crossing medium- and large-sized watercourses, with rivers often a barrier to trade routes and journeys. Using old medium-scale Austrian military topographic maps from 1763–1768, 1836–1852, and 1876–1880, Prussian maps from 1825 and 1877, and Czechoslovakian maps from 1953–1955, we systematically localized the ferries within what is now the Czech Republic over a monitoring period between the mid-18th century and the present. We also analyzed the map keys of relevant surveys to examine ways of depicting the ferries in the maps. In this context, a dat

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14

Peng, Shuai, Feng Xiong, Fan Yang, Li Hu, Xuebin Wang, and Fan Li. "Study on the Effects of Artificial Trapezoidal Freezing Soil Mass on the Stability of Large-Diameter Shield Tunnel Portal." Applied Sciences 12, no. 23 (2022): 12250. http://dx.doi.org/10.3390/app122312250.

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The shield tunnel end reinforcement is important in the water-rich sandy strata. In this paper, a trapezoidal freezing soil mass was proposed to reinforce the shield tunnel end, and the reinforcement effects were evaluated based on the Wuhu River-Crossing Tunnel. Firstly, the influences of the freezing soil mass geometric dimensions on the stability of the tunnel portal were analyzed. Then, displacements of the tunnel portal with different trapezoidal freezing soil masses were simulated. Finally, the trapezoidal freezing soil mass was applied in the Wuhu River-Crossing Tunnel. The results show

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15

Zhou, Song, Guan-Lin Ye, Lei Han, and Wang Jian-Hua. "Key Construction Technologies for Large River-Crossing Slurry Shield Tunnel: Case Study." Journal of Aerospace Engineering 34, no. 2 (2021): 04020118. http://dx.doi.org/10.1061/(asce)as.1943-5525.0001236.

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16

Woodbridge, Kevin P., Saied Pirasteh, and Daniel R. Parsons. "Investigating Fold-River Interactions for Major Rivers Using a Scheme of Remotely Sensed Characteristics of River and Fold Geomorphology." Remote Sensing 11, no. 17 (2019): 2037. http://dx.doi.org/10.3390/rs11172037.

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There are frequently interactions between active folds and major rivers (mean annual water discharges > 70 m3s−1). The major river may incise across the fold, to produce a water gap across the fold, or a bevelling (or lateral planation) of the top of the fold. Alternatively, the major river may be defeated to produce a diversion of the river around the fold, with wind gaps forming across the fold in some cases, or ponding of the river behind the fold. Why a river incises or diverts is often unclear, though influential characteristics and processes have been identified. A new scheme for inve

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17

Clausen, Eric. "How Two Different Cenozoic Geologic and Glacial History Paradigms Explain the Southcentral Montana Musselshell-Yellowstone River Drainage Divide Origin, USA." Earth Science Research 10, no. 2 (2021): 42. http://dx.doi.org/10.5539/esr.v10n2p42.

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The accepted Cenozoic geologic and glacial history paradigm (accepted paradigm) considers the southcentral Montana Musselshell-Yellowstone River drainage divide to have originated during Tertiary (or preglacial) time while a new and different Cenozoic geologic and glacial history paradigm (new paradigm) describes how headward erosion of a northeast-oriented Musselshell River valley segment captured huge southeast-oriented meltwater floods to create the drainage divide late during a continental ice sheet&rsquo;s melt history. Northwest to southeast oriented divide crossings (low points obse

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18

Lu, Linjun, Jian Lu, Yingying Xing, Chen Wang, and Fuquan Pan. "Statistical Analysis of Traffic Accidents in Shanghai River Crossing Tunnels and Safety Countermeasures." Discrete Dynamics in Nature and Society 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/824360.

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A large number of traffic tunnel accidents have been reported in China since the 21th century. However, few studies have been reported to analyze traffic accidents that have occurred in urban road tunnels. This study aims to examine the characteristics of the temporal, spatial, and modality distributions of traffic in Shanghai river crossing tunnels using statistical analysis and comparative analysis. Employing these techniques tunnel accident data obtained from Shanghai center 110 was analyzed to determine temporal and spatial distribution characteristics of traffic accidents in river crossin

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19

Day, Kevin R., and Christopher P. L. Barkan. "Model for Evaluating Cost-Effectiveness of Retrofitting Railway Bridges for Seismic Resistance." Transportation Research Record: Journal of the Transportation Research Board 1845, no. 1 (2003): 203–12. http://dx.doi.org/10.3141/1845-22.

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Many of the major railroad lines in the Mid-America earthquake region are potentially susceptible to high peak ground accelerations (PGA) and soil liquefaction effects due to an earthquake associated with the New Madrid fault. With geographic information systems (GIS) data and analysis techniques, the risk to the rail network posed by a major earthquake in the region was estimated. It was estimated that about 2,107 active rail route miles and 2,082 railroad bridges, including eight major river-crossing bridges over the Ohio and Mississippi Rivers, are in areas with a 2% probability of experien

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20

Zvezdin, A. O., A. V. Kucheryavyy, A. V. Kolotei, N. V. Polyakova, and D. S. Pavlov. "European River Lamprey Lampetra fluviatilis (Petromyzontidae) of the Pskov Lakeland: Current State of Isolated Populations." Вопросы ихтиологии 63, no. 6 (2023): 653–64. http://dx.doi.org/10.31857/s0042875223060279.

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Small freshwater (resident) populations of the European river lamprey Lampetra fluviatilis from an isolated from the sea upper part of a river system with numerous lakes (the upper reaches of tributaries of the Daugava River and Lake Peipus, Pskov Oblast, Russia) have been studied. Adult individuals of the lamprey have been attributed to common and large size groups; adults are similar to other resident lamprey from the Baltic Sea basin. The presence of larvae of different size and age groups indicates regular spawning of the European river lamprey in the studied watersheds. Analysis of the mo

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Zvezdin, A. O., A. V. Kucheryavyy, A. V. Kolotei, N. V. Polyakova, and D. S. Pavlov. "European River Lamprey Lampetra fluviatilis (Petromyzontidae) of the Pskov Lakeland: Current State of Isolated Populations." Journal of Ichthyology 63, no. 6 (2023): 1080–91. http://dx.doi.org/10.1134/s0032945223060188.

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Abstract Small freshwater (resident) populations of the European river lamprey Lampetrafluviatilis from an isolated from the sea upper part of a river system with numerous lakes (the upper reaches of tributaries of the Daugava River and Lake Peipus, Pskov Oblast, Russia) have been studied. Adult individuals of the lamprey have been attributed to common and large size groups; adults are similar to other resident lamprey from the Baltic Sea basin. The presence of larvae of different size and age groups indicates regular spawning of the European river lamprey in the studied watersheds. Analysis o

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Keigwin, Michael. "Elephants, crops and people in Ushasha Sector, southern Queen Elizabeth National Park, Uganda." Pachyderm 31 (December 30, 2001): 73–74. http://dx.doi.org/10.69649/pachyderm.v31i1.1066.

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Reviews the implementation and ongoing programme of the Elephants, Crops and People (ECP) project in the southern section of Queen Elizabeth NP which assesses the status of elephants, and works in cooperation with the Uganda Wildlife Authority and local farmers to find ways to mitigate elephant-human conflict interactions. The monitoring programme was based on the standardized interaction monitoring system used in Virunga NP. During the first month over 150 separate crop-raiding incidents recorded. All occurred at night, bull, family groups and large aggregations, sometimes numbering over 150

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23

Zhang, Run Lai, Li Ming Tang, and Kun Tang. "Analysis on Segment Floating in the Construction of Large-Diameter Crossing-River Shield Tunnel." Applied Mechanics and Materials 724 (January 2015): 17–21. http://dx.doi.org/10.4028/www.scientific.net/amm.724.17.

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Segment floating is a common problem met in the construction of large-diameter crossing-river shield tunnel. The factors affecting segment floating are discussed first and analyzed by numerical simulation, including the properties of grouting material, the speed of shield tunneling, grouting pressure difference, the tunnel longitudinal stiffness, frictional force between segment rings and weight of the supporting system. The simulation results indicate that segment floating will reduce by shortening slurry’s initial solidification time, slowing shielding speed, improving the tunnel longitudina

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Moga, C., Crina Fenesan, and M. Suciu. "Pedestrians Crossing Comfort Analysis for a Footbridge Over Someş River." Journal of Applied Engineering Sciences 13, no. 1 (2023): 91–98. http://dx.doi.org/10.2478/jaes-2023-0012.

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Abstract Due to the relatively low rigidities in the vertical and horizontal planes, the structures of the footbridges must be checked from the point of view of their dynamic behavior, so as to avoid the resonance phenomenon and to ensure the walking comfort of the pedestrians. The paper presents some aspects related to the dynamic behaviour, for the pedestrian bridge with a span of 31.5 m that was constructed in The Railway Park area of Cluj-Napoca city, over the Someşul Mic River, in 2022. In terms of pedestrian traffic density, the structure falls into Category III: Footbridges for normal u

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Gao, Ying, Hao Lyu, Zhe Gao, et al. "Research on the Route Selection of Transmission Lines Crossing Rivers in the Yangtze River Basin (Hubei section) Based on Ecological Sensitivity Evaluation." E3S Web of Conferences 625 (2025): 01014. https://doi.org/10.1051/e3sconf/202562501014.

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Studies on ecological sensitivity mainly focused on the sensitivity of a wide range of ecosystems to changes in the external ecological environment. In recent years, more and more assessments have been made on urban ecological sensitivity, but few studies have focused on the ecological sensitivity of river basins. Due to the length and the complicated terrain of the transmission line, it was unavoidable to cross the Yangtze River. So far, there are few studies combined the ecological sensitivity of river basins with large transmission lines. Ecologically sensitive areas along the Yangtze River

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Su, Zhan Dong, Lei Nie, and Chuan Hai Zhao. "Comparison and Selection of the Natural Gas Pipeline Crossing Yangtze River Schemes in Jangling." Advanced Materials Research 524-527 (May 2012): 1363–67. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.1363.

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In the light of the characteristics of the project across the Yangtze River from Jangling through large distance and the crossing section’s less construction experience, a detailed survey had beencarried out ,by comparison of survey data analysis , this paper forecasts the program may emerge some specific engineering geological problems and finally gives the appropriate construction program.

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Subalusky, Amanda L., Christopher L. Dutton, Emma J. Rosi, and David M. Post. "Annual mass drownings of the Serengeti wildebeest migration influence nutrient cycling and storage in the Mara River." Proceedings of the National Academy of Sciences 114, no. 29 (2017): 7647–52. http://dx.doi.org/10.1073/pnas.1614778114.

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The annual migration of ∼1.2 million wildebeest (Connochaetes taurinus) through the Serengeti Mara Ecosystem is the largest remaining overland migration in the world. One of the most iconic portions of their migration is crossing of the Mara River, during which thousands drown annually. These mass drownings have been noted, but their frequency, size, and impact on aquatic ecosystems have not been quantified. Here, we estimate the frequency and size of mass drownings in the Mara River and model the fate of carcass nutrients through the river ecosystem. Mass drownings (>100 individuals) occur

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Shevchenko, Natalya, Anatoly Soshinov, Olga Elfimova, Julia Lebedeva, and Olga Akhmedova. "Improving the energy efficiency of wide crossings of overhead power lines." E3S Web of Conferences 178 (2020): 01046. http://dx.doi.org/10.1051/e3sconf/202017801046.

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The use of new generation wires in the design of wide spans of overhead power lines over water barriers and large gorges can increase their transmission capacity and increase reliability. However, when large currents flow, load losses in line also increase. Thus, it is necessary to obtain a methodology for technical and economic comparison of design options for overhead power lines over large crossings, which enables to determine the most cost-effective version of the project with high mechanical reliability. For comparative analysis, five options for wide spans of overhead power lines over th

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Noel, Lynn E., Matthew K. Butcher, Matthew A. Cronin, and Bill Streever. "Assessment of Effects of an Oil Pipeline on Caribou, Rangifer tarandus granti, Use of Riparian Habitats in Arctic Alaska, 2001-2003." Canadian Field-Naturalist 120, no. 3 (2006): 323. http://dx.doi.org/10.22621/cfn.v120i3.323.

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Elevated oil field pipelines may alter Caribou (Rangifer tarandus granti) movements and delay or prevent access to insect relief habitat. In an attempt to determine if the 40-km elevated Badami pipeline in northern Alaska changed Caribou use of riparian habitats at the three river crossings where the pipeline is buried, we quantified Caribou habitat use at all three crossings using time-lapse video cameras and aerial distribution surveys over three summers. We compared habitat use, behavior and duration of observations among pipeline and non-pipeline sites. We used a block experimental design

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Zhang, Shanglong, Xuansheng Cheng, Xiaoshuang Li, and Lei Qi. "LIQUID-SOLID COUPLING RESPONSE OF SURROUNDING ROCK MASS OF LARGE-DIAMETER RIVER-CROSSING SHIELD TUNNEL." Stavební obzor - Civil Engineering Journal 32, no. 4 (2023): 443–56. http://dx.doi.org/10.14311/cej.2023.04.0033.

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The purpose is to investigate the response of seepage field, displacement field and stress field in the surrounding rock mass during dynamic tunneling in soft soil area. Relied on a large-diameter river-crossing shield tunnel project, considering driving force, shield tail grouting pressure, and the friction resistance between the shield shell and the soil, a three-dimensional fine tunnel model considering the liquid-solid coupling effect in the soil during dynamic tunneling was established by employing the finite difference method. The response characteristics of pore water pressure, displace

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Apland, Brian, and Charles R. Harington. "Pleistocene Bison Skeleton (Bison bison cf. occidentalis) from Clayhurst Crossing, British Colombia." Géographie physique et Quaternaire 48, no. 2 (2007): 213–33. http://dx.doi.org/10.7202/032998ar.

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ABSTRACT Remains of a large old male bison skeleton from a gravel pit near Clayhurst Crossing are tentatively referred to the extinct western bison (Bison bison cf. occidentalis). It is the most complete late Pleistocene "medium-horned" bison so far reported from Canada, and is therefore described in detail. Four accelerator mass spectrometry (AMS) radiocarbon dates on bone from the specimen provide a weighted average age of 10,500±90 yr BP, supporting an earlier suggestion that river terraces in the mid-Peace area began developing before 10,000 years ago. Evidently Bison bison antiquus occurr

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Католиков, Виктор Михайлович, Дмитрий Борисович Казиакбаров, Андрей Андреевич Мальцев, and Анна Олеговна Власова. "Features of designing underwater crossings of main pipelines under the conditions of riverbed and floodplain multi-branchness." SCIENCE & TECHNOLOGIES OIL AND OIL PRODUCTS PIPELINE TRANSPORTATION, no. 4 (September 21, 2021): 378–87. http://dx.doi.org/10.28999/2541-9595-2021-11-4-378-387.

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Многолетняя практика применения регламентных норм учета русловых процессов и механизма транспорта донных руслоформирующих наносов подтверждает надежность принятых расчетов для проектирования и строительства подводных переходов магистральных трубопроводов (ППМТ) через большинство средних и крупных рек России. Но для рек, «перегруженных» донными наносами, традиционные расчетные методики параметров подводной траншеи трубопровода с учетом заносимости оказываются недостаточными и требуют дополнительных решений. Данная проблема была выявлена при строительстве основной и резервной ниток ППМТ ВСТО-2 ч

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Rahardjo, Paulus P., Davy Sukamta, Kevin Lie, and Stefanus Diaz Alvi. "Investigation of the Deformation of Large Diversion River Box Tunnel Under High Embankment." IOP Conference Series: Earth and Environmental Science 1514, no. 1 (2025): 012003. https://doi.org/10.1088/1755-1315/1514/1/012003.

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Abstract Dhoho Kediri Airport has a runway crossing the river, hence the need for infrastructure facilities for irrigation channels. The irrigation channel used is a huge concrete box culvert with an embankment height of up to 26 m and penetrates the slope at an oblique angle, creating enormous and unbalanced soil pressure. To control the safety of the box culvert during backfilling, fiber optic instruments were installed. Fiber Optic (FO) are embedded in the box culvert structure to measure strain, utilizing the Brillouin frequency whose changes indicate changes in strain in the box culvert s

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Annys, Sofie. "The Impact of River Regulation on Downstream Socio-Hydrologic Systems in Ethiopia." Afrika Focus 34, no. 2 (2021): 360–78. http://dx.doi.org/10.1163/2031356x-34020010.

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Abstract In recent years, a renewed interest in large-scale hydraulic interventions has developed, frequently justified by the premise of making the agricultural and energy sectors climate-resilient. Despite this important climate effort, hydraulic interventions are controversial and have far-reaching impacts on river-dependent communities and the environment. Drawing on gis analyses of remote sensing images and qualitative and quantitative empirical evidence from the field, this PhD dissertation focused on the impact of two large dams and one inter-basin water transfer (ibwt) on downstream so

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Liu, Qing. "Study on the Oil Pipeline Design of R Oil Field." Frontiers Research of Architecture and Engineering 3, no. 3 (2020): 40. http://dx.doi.org/10.30564/frae.v3i3.2453.

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It’s a compressive article consists of three parts, an overview of pipeline development in China, oil pipeline design for R oilfield and pipeline management suggestions. First, this article introduces the current status of pipeline construction, oil pipeline technology and gas pipeline technology in China in recent years. The current status of China’s pipeline construction is divided into three stages. In terms of construction, pipeline construction is developing in the direction of intelligence and modernization. Long-distance oil pipelines require technical breakthroughs in two aspects. One

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Yan, Meng, and Nan Wu. "Loading Tests Research on Mianyang Anchang River Landscape Footbridge." Applied Mechanics and Materials 361-363 (August 2013): 1210–16. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.1210.

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Crossing Anchang River in Mianyang City，Anchang Landscape Footbridge connects Yuyingba and Baisheng Plaza. It bears large amount of pedestrian loads. The approximately anti-symmetric structure of this prestressed concrete bridge is girder-arch combined with unique and elegant appearance. However, without much design and construction reference, loading test is necessary for this footbridge to ensure its security in the future. Tanks are adopted in static test as the equivalent pedestrian loads to imitate the actual working conditions of the bridge and to assess its working capacity and construc

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Ye, Fei, Nan Qin, Xiang Gao, Xue-yong Quan, Xian-zhuo Qin, and Bing Dai. "Shield Equipment Optimization and Construction Control Technology in Water-Rich and Sandy Cobble Stratum: A Case Study of the First Yellow River Metro Tunnel Undercrossing." Advances in Civil Engineering 2019 (January 8, 2019): 1–12. http://dx.doi.org/10.1155/2019/8358013.

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The Lanzhou Yellow River Tunnel is the first metro shield tunnel that undercrosses the Yellow River in China. It was completed after successfully overcoming several construction challenges, including strata with a high proportion of large-sized sandy cobble stratum being saturated, large-scale sand pits along the bank of the Yellow River, and a combination of boulders and erratic blocks of rock. Given the difficulties in constructing the tunnel, this paper summarizes the scheme employed to transform the cutter and cutter head design to be applicable to sandy cobble stratum and the key technolo

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Ding, Ke Wei, Ding Xia, and Peng Hu. "Studies of Monitoring Technology of High Formwork Bracket Construction of the Memorial Hall for the Battle of Crossing the Yangtze River." Advanced Materials Research 163-167 (December 2010): 2811–14. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.2811.

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With the accelerating process of urbanization, various kinds of unconventional concrete structure increases day by day. These kinds of unconventional specification concrete structure are characterized as large area, large span space, and great weight. Its scaffolding as the template support is different from the ordinary scaffolding outside. Their setup performs as large span space, high height, complex structure, high risk and sudden accident and so on. According to the Monitoring work achievement of the Memorial Hall for the Battle of crossing Yangtze River, this article systematically summa

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Guohui, Li, Ma Xiaocheng, and Yang Chunling. "Engineering Innovation of a Length of Nearly 3300m large Diameter Pipeline Installed by HDD." Earth Sciences Research Journal 20, no. 1 (2016): 1–5. http://dx.doi.org/10.15446/esrj.v20n1.54504.

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<p>The Yangtze River Crossing Project, which is part of the Chinese gas pipeline trunk network and aims to transmit the natural gas to the Yangtze River Delta area, sets up a record for the length of Horizontal Directional Drilling (HDD) in the world. The term of pipeline installed is 3300m, and the diameter is 40in. Many technical difficulties have been inevitably encountered in a large diameter hole reaming in fine sand, the calculation of section scour depth which determines the minimum buried depth of the pipe, protection of outside coating and the method of long distance pilot hole

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Perevodchikova, E. V., and K. B. Firsov. "CHERTOMLYK AND KOZEL: BARROWS, HORSES AND CROSSING." Archaeology and Early History of Ukraine 33, no. 4 (2019): 263–68. http://dx.doi.org/10.37445/adiu.2019.04.18.

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According to Dr. Yu. Boltrik’s works the Scythian royal barrows were situated on the high places (watersheds) as well as along the roads. One of the biggest roads marked by Oguz, Solokha, Kozel, Chertomlyk and Alexandropol barrows run in meridional direction and crossed the Dnieper. The Dnieper crossing was a start point in barrow creation: the later is a barrow, the more distant from the Dnieper crossing it is placed. Kozel and Chertomlyk barrows situated across the Dnieper (Kozel on the left coast, Chertomlyk — on the right one), both dated to the second half of the 4th century BC, are simil

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Ma, Junpeng, Jianjun Sha, and Feiyan Liu. "Optimal Allocation Algorithm of Grid Side Energy Storage Capacity under Large Scale Wind Farm Connection." Journal of Physics: Conference Series 2087, no. 1 (2021): 012005. http://dx.doi.org/10.1088/1742-6596/2087/1/012005.

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Abstract For grid energy storage capacity configuration is not reasonable, problems such as instability in crossing the river power fluctuations, are proposed based on a large scale wind power grid side under the condition of energy storage capacity of the optimal allocation algorithm, through the use of large-scale wind farm access method to achieve the optimal design of power grid model, so as to quickly solve the micro grid energy storage capacity planning cost and energy consumption data, according to the results. The operation parameters, energy loss and other numerical values of the mode

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Wu, Qixian, Maojie Tang, Dan Chang, Jiankun Liu, and Xingbang Lu. "Back-Silting Characteristics of Foundation Trench Excavation in an Ultra-Wide Inland Immersed Tunnel and Its Impacts on Slope Stability: A Case Study of the Tanzhou Waterway in Shunde." Buildings 15, no. 11 (2025): 1810. https://doi.org/10.3390/buildings15111810.

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During the construction of a large immersed tunnel crossing an ultra-wide inland river, the long drying time after the excavation of the foundation trench and changes in river flow velocity result in the river carrying a large amount of sediment into the foundation trench and the slope, increasing installation difficulties and threatening construction safety. This study investigates the back-silting characteristics and their impacts on foundation trench slope stability during an ultra-wide immersed tunnel excavation at LunGui Road in Foshan City, China. Numerical simulations reveal the spatiot

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Béguer-Pon, Mélanie, Guy Verreault, David Stanley, Martin Castonguay, and Julian J. Dodson. "The migration of stocked, trapped and transported, and wild female American silver eels through the Gulf of St. Lawrence." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 11 (2018): 2024–37. http://dx.doi.org/10.1139/cjfas-2017-0356.

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The stocking of juvenile eels and trap and transport programs of large yellow (American) eels (Anguilla rostrata) were initiated in Ontario to mitigate mortalities observed at hydroelectric dams and to increase escapement from the upper St. Lawrence River and Lake Ontario (Canada). A total of 380 migrating female silver eels (stocked, trapped and transported, and wild) were tagged with acoustic transmitters between 2011 and 2014. Their migration and escapement at the exit of the Gulf of St. Lawrence, the Cabot Strait, were recorded using acoustic receivers. Escapement rates varied between 8.9%

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Trieu, Duc Huy, Ngoc Thanh Tong, Van Lam Nguyen, Ba Quyen Pham, Dai Phuc Hoang, and Hoai Thu Trinh. "Classification of hydrogeological structure along the Red River in the Hanoi area." Tạp chí Khoa học và Công nghệ Biển 21, no. 3 (2021): 299–310. http://dx.doi.org/10.15625/1859-3097/16431.

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Hanoi city has abundant groundwater, supplemented by the surface water (mainly Red River) all year round, and the extensive shallow aquifers, which are easily exploited by large-diameter wells. There always exists some open hydrogeological windows in the Red River area with an open structure; therefore, the groundwater has a strained hydraulic relationship with the Red River water system Along the Red River from Ba Vi to the end of Phu Xuyen district, there are nine regions with three types and four sub-types of different hydrogeological structures. In particular, the sub-type I-A of the groun

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Steer, Philippe, Thomas Croissant, Edwin Baynes, and Dimitri Lague. "Statistical modelling of co-seismic knickpoint formation and river response to fault slip." Earth Surface Dynamics 7, no. 3 (2019): 681–706. http://dx.doi.org/10.5194/esurf-7-681-2019.

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Abstract. Most landscape evolution models adopt the paradigm of constant and uniform uplift. It results that the role of fault activity and earthquakes on landscape building is understood under simplistic boundary conditions. Here, we develop a numerical model to investigate river profile development subjected to fault displacement by earthquakes and erosion. The model generates earthquakes, including mainshocks and aftershocks, that respect the classical scaling laws observed for earthquakes. The distribution of seismic and aseismic slip can be partitioned following a spatial distribution of

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Clausen, Eric. "Belle Fourche River-Cheyenne River Drainage Divide Area in the Wyoming Powder River Basin Analyzed by Topographic Map Interpretation Methods, USA." Journal of Geography and Geology 10, no. 2 (2018): 1. http://dx.doi.org/10.5539/jgg.v10n2p1.

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The dearth of scientific literature in which specific erosional landform origins are determined is an example of what Thomas Kuhn considered a scientific crisis. Scientific crises arise when scientists following their discipline’s established paradigm’s rules, or doing what Kuhn calls normal science, cannot explain observed evidence. Scientific crises are resolved in one of three ways. Normal science may eventually explain the evidence and normal science returns, the unsolved problems may be identified and labeled and left for future scientists to solve, or a new paradigm may emerge with an en

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Rezeki, Sari, Eldina Fatimah, and Masimin Masimin. "PENGARUH KRIB TERHADAP KECEPATAN ALIRAN PADA SUNGAI KRUENG ACEH." Jurnal Arsip Rekayasa Sipil dan Perencanaan 3, no. 4 (2020): 292–301. http://dx.doi.org/10.24815/jarsp.v3i4.16726.

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Krueng Aceh River is one of the rivers that has a large discharge crossing two administrative regions, namely Banda Aceh City and Aceh Besar District. One of the problems in Krueng Aceh river, precisely around the area of Pango fly over towards the downstream area is the high flow speed distribution at the turn of the river. The impact of the bridge pillar on the river turn results in changes in the cross section of the river endangering the public facilities in front of it. Based on this analysis, it is necessary to control and secure the river, namely by placing the Groyne. The purpose of th

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Karczmarz, Dariusz, and Przemysław Mądrzycki. "Identification of Geological and Engineering Conditions for Forging the Bed of a Large Lowland River, Based on Low-Ceiling Ad Hoc Aerial Photographs." Journal of KONBiN 52, no. 4 (2022): 113–34. http://dx.doi.org/10.2478/jok-2022-0044.

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Abstract The article outlines the possibilities for assessing geological conditions related to fording the beds of large lowland rivers, based on low-ceiling ad hoc aerial photos, and the current state of the art on the utilization of remote-sensing methods in geological and engineering studies. The conducted research provided a confirmation that a set of remote-sensing sensors installed onboard an aerial vehicle enables recording images, the analysis of which allows determining the geological and engineering conditions of lowland riverbed zones, to the extent adequate to make decisions on cro

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Hashash, Youssef M. A., Norman A. Abrahamson, Scott M. Olson, Steve Hague, and Byungmin Kim. "Conditional Mean Spectra in Site-Specific Seismic Hazard Evaluation for a Major River Crossing in the Central United States." Earthquake Spectra 31, no. 1 (2015): 47–69. http://dx.doi.org/10.1193/033113eqs085m.

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Current seismic design practice often relies on the use of the uniform hazard response spectrum (UHRS), which implicitly includes motions from multiple earthquake sources and envelops possible spectra, yet does not represent a single event. Seismic hazard analyses at the site of a major Mississippi River crossing near St. Louis, Missouri, showed bimodal seismic hazard dominated by small, nearby earthquakes at short periods and large, distant earthquakes in the New Madrid seismic zone at long periods. UHRS motions resulted in large seismic demands and predictions of pervasive liquefaction that

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Rui, Da Hu, Qing Hong Wu, Zhen Feng Cao, Yu Xia Zhao, and Guang Fan Li. "Construction Techniques of Deep Diaphragm Wall in the Yellow River-Crossing Project in South-to-North Water Transfer." Advanced Materials Research 250-253 (May 2011): 1212–16. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1212.

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Yellow River-Crossing Project in South-to-North Water Transfer approach through the use of shield tunnel and its north bank departure shaft adopts diaphragm wall as enclosure structure. The depth of continuous wall of its shielding starting shaft is 76.6m, which is the deepest at present in china. The continuous diaphragm wall travels through the layer of silver sand, medium sand and loam from top to bottom, where the geological conditions are poor with large difficulty of construction. This paper sets forth construction of guide wall, reinforcing measures before construction, Trenching proces

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