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Academic literature on the topic 'Bridge Modeling using HEC-RAS'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Bridge Modeling using HEC-RAS"

1

Atabay, Serter, and Galip Seckin. "Prediction of afflux on undistorted scale bridge model." Canadian Journal of Civil Engineering 36, no. 6 (June 2009): 1051–58. http://dx.doi.org/10.1139/l09-045.

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This paper presents the results and findings from several sets of experimental data on afflux around bridge waterways in overbank flow condition. The paper also investigates the accuracy, capability, and suitability of one-dimensional hydraulic river modelling software (HEC-RAS and ISIS) to model flow through bridge structure. To eliminate a scaling effect between the laboratory-scale experiments and model techniques, all experimental results were scaled up using an undistorted-scale model in which both the vertical and horizontal scale ratio was 100. A total of six methods of predicting afflux, the energy method, the momentum method, the water surface profile (WSPRO) method, Yarnell's method (in HEC-RAS), the U.S. Bureau of Public Roads (USBPR) method, and the arch bridge method (in ISIS) were compared with scaled up experimental results. The results for ISIS are significantly different from the measured data and the output from HEC-RAS. The energy method and the momentum method in HEC-RAS are the most accurate methods to compute the afflux around the bridge waterways.

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Agus, Indra, Munafri Alwys, Wisafri Wisafri, Dalrino Dalrino, Noftar Yolanda, and Welfi Yani. "Scour Depth Estimation on Abutment With HEC RAS and Some Empirical Equation." Jurnal Ilmiah Rekayasa Sipil 17, no. 1 (April 30, 2020): 87–95. http://dx.doi.org/10.30630/jirs.17.1.271.

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Toe Scour around abutment will be very dangerous and cause loss of stability on the bridge. The case of structure failure on Batang Kalu bridge in Korong Pasa Usang Nagari Kayu Tanam, Padang Pariaman Regency on Monday (10 December 2018) is a clear example of toe scouring. A case study of toe scour was on the Batang Kalu River bridge structure has been carried out. Rainfall data closest to the study location, Kandang Empat Station was used to minimize the errors in the calculation of flood discharge design. Numerical modeling with HEC RAS and scouring estimation with some empiric equation was conducted to predicting scour depth on abutment. Simulation results show scour depth results to an average of 2.731 m and close to the scour depth that occurred in the field (2.83 m). Results showed that the local scouring in the Batang Kalu River bridge structure can be suspected as the influence of the increasing river steepness. Discharge that is triggered by heavy rain with a long duration and increased river flow velocity due to steepness has the potential to create a very intense scouring. Increasing of steepness may have been caused by sand mining activities in the upper reaches. Further studies are needed to see the potential slope changes due to exploitation in the Batang Kalu River upper reaches

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Pal, Mahesh, N. K. Singh, and N. K. Tiwari. "Kernel methods for pier scour modeling using field data." Journal of Hydroinformatics 16, no. 4 (November 13, 2013): 784–96. http://dx.doi.org/10.2166/hydro.2013.024.

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Three kernel-based modeling approaches are proposed to predict the local scour around bridge piers using field data. Modeling approaches include Gaussian processes regression (GPR), relevance vector machines (RVM) and a kernlised extreme learning machine (KELM). A dataset consisting of 232 upstream pier scour measurements derived from the Bridge Scour Data Management System (BSDMS) was used. The radial basis kernel function was used with all three kernel-based approaches and results were compared with support vector regression and four empirical relations. Coefficient of determination value of 0.922, 0.922 and 0.900 (root mean square error, RMSE = 0.297, 0.310 and 0.343 m) was achieved by GPR, RVM and KELM algorithm respectively. Comparisons of results with support vector regression and Froehlich equation, Froehlich design, HEC-18 and HEC-18/Mueller predictive equations suggest an improved performance by the proposed approaches. Results with dimensionless data using all three algorithms suggest a better performance by dimensional data.

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Ali, A. A., N. A. Al-Ansari, and S. Knutsson. "Morphology of Tigris River within Baghdad City." Hydrology and Earth System Sciences 16, no. 10 (October 25, 2012): 3783–90. http://dx.doi.org/10.5194/hess-16-3783-2012.

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Abstract. In recent years, substantial changes have occurred in the morphology of the River Tigris within Baghdad City. Although huge volumes of sediment are being trapped in recently constructed headwater reservoirs, the number of islands in the Tigris at Baghdad is increasing. The debris of bridges destroyed in the wars of 1991 and 2003 and their subsequent reconstruction have enhanced the development of these islands. As a consequence the ability of the river to carry the peaks of flood waters has been reduced. This has led to potential increase of flooding in parts of the city. The bed of the River Tigris has been surveyed on three occasions (1976, 1991, and 2008). The most recent survey was conducted by the Ministry of Water Resources, extended 49 km from the Al-Muthana Bridge north Baghdad to the confluence with the Diyala River south Baghdad. It yielded cross-section profiles at 250 m intervals. The data are used to predict the maximum flood capacity for the river using the one-dimensional hydraulic model for steady flow "HEC-RAS" modeling. Calibration of the model was carried out using field measurements for water levels along the last 15 km of the reach and the last 10 yr of observation at the Sarai Baghdad gauging station. The model showed a significant predicted reduction in the current river capacity below that which the river had carried during the floods of 1971 and 1988. The three surveys conducted on the same reach of the Tigris indicated that the ability of the river to transport water has decreased.

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Santillan, J. R., A. M. Amora, M. Makinano-Santillan, J. T. Marqueso, L. C. Cutamora, J. L. Serviano, and R. M. Makinano. "ASSESSING THE IMPACTS OF FLOODING CAUSED BY EXTREME RAINFALL EVENTS THROUGH A COMBINED GEOSPATIAL AND NUMERICAL MODELING APPROACH." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B8 (June 24, 2016): 1271–78. http://dx.doi.org/10.5194/isprsarchives-xli-b8-1271-2016.

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In this paper, we present a combined geospatial and two dimensional (2D) flood modeling approach to assess the impacts of flooding due to extreme rainfall events. We developed and implemented this approach to the Tago River Basin in the province of Surigao del Sur in Mindanao, Philippines, an area which suffered great damage due to flooding caused by Tropical Storms Lingling and Jangmi in the year 2014. The geospatial component of the approach involves extraction of several layers of information such as detailed topography/terrain, man-made features (buildings, roads, bridges) from 1-m spatial resolution LiDAR Digital Surface and Terrain Models (DTM/DSMs), and recent land-cover from Landsat 7 ETM+ and Landsat 8 OLI images. We then used these layers as inputs in developing a Hydrologic Engineering Center Hydrologic Modeling System (HEC HMS)-based hydrologic model, and a hydraulic model based on the 2D module of the latest version of HEC River Analysis System (RAS) to dynamically simulate and map the depth and extent of flooding due to extreme rainfall events. The extreme rainfall events used in the simulation represent 6 hypothetical rainfall events with return periods of 2, 5, 10, 25, 50, and 100 years. For each event, maximum flood depth maps were generated from the simulations, and these maps were further transformed into hazard maps by categorizing the flood depth into low, medium and high hazard levels. Using both the flood hazard maps and the layers of information extracted from remotely-sensed datasets in spatial overlay analysis, we were then able to estimate and assess the impacts of these flooding events to buildings, roads, bridges and landcover. Results of the assessments revealed increase in number of buildings, roads and bridges; and increase in areas of land-cover exposed to various flood hazards as rainfall events become more extreme. The wealth of information generated from the flood impact assessment using the approach can be very useful to the local government units and the concerned communities within Tago River Basin as an aid in determining in an advance manner all those infrastructures (buildings, roads and bridges) and land-cover that can be affected by different extreme rainfall event flood scenarios.

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Santillan, J. R., A. M. Amora, M. Makinano-Santillan, J. T. Marqueso, L. C. Cutamora, J. L. Serviano, and R. M. Makinano. "ASSESSING THE IMPACTS OF FLOODING CAUSED BY EXTREME RAINFALL EVENTS THROUGH A COMBINED GEOSPATIAL AND NUMERICAL MODELING APPROACH." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B8 (June 24, 2016): 1271–78. http://dx.doi.org/10.5194/isprs-archives-xli-b8-1271-2016.

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In this paper, we present a combined geospatial and two dimensional (2D) flood modeling approach to assess the impacts of flooding due to extreme rainfall events. We developed and implemented this approach to the Tago River Basin in the province of Surigao del Sur in Mindanao, Philippines, an area which suffered great damage due to flooding caused by Tropical Storms Lingling and Jangmi in the year 2014. The geospatial component of the approach involves extraction of several layers of information such as detailed topography/terrain, man-made features (buildings, roads, bridges) from 1-m spatial resolution LiDAR Digital Surface and Terrain Models (DTM/DSMs), and recent land-cover from Landsat 7 ETM+ and Landsat 8 OLI images. We then used these layers as inputs in developing a Hydrologic Engineering Center Hydrologic Modeling System (HEC HMS)-based hydrologic model, and a hydraulic model based on the 2D module of the latest version of HEC River Analysis System (RAS) to dynamically simulate and map the depth and extent of flooding due to extreme rainfall events. The extreme rainfall events used in the simulation represent 6 hypothetical rainfall events with return periods of 2, 5, 10, 25, 50, and 100 years. For each event, maximum flood depth maps were generated from the simulations, and these maps were further transformed into hazard maps by categorizing the flood depth into low, medium and high hazard levels. Using both the flood hazard maps and the layers of information extracted from remotely-sensed datasets in spatial overlay analysis, we were then able to estimate and assess the impacts of these flooding events to buildings, roads, bridges and landcover. Results of the assessments revealed increase in number of buildings, roads and bridges; and increase in areas of land-cover exposed to various flood hazards as rainfall events become more extreme. The wealth of information generated from the flood impact assessment using the approach can be very useful to the local government units and the concerned communities within Tago River Basin as an aid in determining in an advance manner all those infrastructures (buildings, roads and bridges) and land-cover that can be affected by different extreme rainfall event flood scenarios.

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Lorenzo-Lacruz, Jorge, Arnau Amengual, Celso Garcia, Enrique Morán-Tejeda, Víctor Homar, Aina Maimó-Far, Alejandro Hermoso, Climent Ramis, and Romualdo Romero. "Hydro-meteorological reconstruction and geomorphological impact assessment of the October 2018 catastrophic flash flood at Sant Llorenç, Mallorca (Spain)." Natural Hazards and Earth System Sciences 19, no. 11 (November 20, 2019): 2597–617. http://dx.doi.org/10.5194/nhess-19-2597-2019.

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Abstract. An extraordinary convective rainfall event, unforeseen by most numerical weather prediction models, generated a devastating flash flood (305 m3 s−1) in the town of Sant Llorenç des Cardassar, Mallorca, on 9 October 2018. Four people died inside this village, while casualties were up to 13 over the entire affected area. This extreme event has been reconstructed by implementing an integrated flash flood modelling approach in the Ses Planes catchment up to Sant Llorenç (23.4 km2), based on three components: (i) generation of radar-derived precipitation estimates, (ii) modelling of accurate discharge hydrographs yielded by the catchment (using FEST and KLEM models), and (iii) hydraulic simulation of the event and mapping of affected areas (using HEC-RAS). Radar-derived rainfall estimates show very high agreement with rain gauge data (R2=0.98). Modelled flooding extent is in close agreement with the observed extension by the Copernicus Emergency Management Service, based on Sentinel-1 imagery, and both far exceed the extension for a 500-year return period flood. Hydraulic simulation revealed that water reached a depth of 3 m at some points, and modelled water depths highly correlate (R2=0.91) with in situ after-event measurements. The 9 October flash flood eroded and transported woody and abundant sediment debris, changing channel geomorphology. Water velocity greatly increased at bridge locations crossing the river channel, especially at those closer to the Sant Llorenç town centre. This study highlights how the very low predictability of this type of extreme convective rainfall events and the very short hydrological response times typical of small Mediterranean catchments continue to challenge the implementation of early warning systems, which effectively reduce people's exposure to flash flood risk in the region.

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Stucchi, Leonardo, Daniele Fabrizio Bignami, Daniele Bocchiola, Davide Del Curto, Andrea Garzulino, and Renzo Rosso. "Assessment of Climate-Driven Flood Risk and Adaptation Supporting the Conservation Management Plan of a Heritage Site. The National Art Schools of Cuba." Climate 9, no. 2 (January 23, 2021): 23. http://dx.doi.org/10.3390/cli9020023.

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This work illustrates the contribution of flood risk assessment and adaptation to set up a conservation management plan for a masterpiece of 20th-century architecture. Case study is the iconic complex, internationally known as the National Art Schools of Cuba. It consists of five buildings built in the early 1960s within a park of Habana next to the Caribbean Sea. The path of the river (Rio Quibù) crossing the estate was modified to fit the landscape design. The complex has then been exposed to the risk of flooding. The School of Ballet, located in a narrow meander of the river, slightly upstream of a bridge and partially obstructing the flow, is particularly subject to frequent flash floods from the Rio Quibù, and it needs urgent restoration. Keeping ISA Modern is a project aimed at preserving the Schools complex. Based upon in situ surveys on the Rio Quibù and local area measurements during 2019, numerical modelling, and previous work by the Cuban National Institute of Hydraulic Resources, we pursued a flood risk analysis for the area, and a preliminary analysis of available risk reduction strategies. Using HEC-RAS 2D software for hydraulic modelling, we evaluated the flooded area and the hydraulic conditions (flow depth, velocity) for floods with given return periods. Our results show that SB is a building most subject to flooding, with high levels of risk. Defense strategies as designed by Cuban authorities may include a (new) wall around the School of Ballet and widening of the river channel, with high impact and cost, although not definitive. Temporary, light, permanent, and low cost/impact flood proofing structures may be used with similar effectiveness. We demonstrate that relatively little expensive hydraulic investigation may aid flood modelling and risk assessment in support of conservation projects for historically valuable sites. This may support brainstorming and the selection of (low to high cost) adaptation and risk reduction measures in the coastal areas of Cuba in response to ever increasing extreme storms and sea level rise controlling flood dynamics under transient climate change.

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Ehsan, Saqib, Sohail Afzal, Muhammad Usman, Maaz Rasheed, and Waqas Jamil. "Dam Break Modeling by using HEC-RAS." NFC-IEFR Journal of Engineering and Scientific Research 4, no. 1 (December 30, 2016): 26–31. http://dx.doi.org/10.24081/nijesr.2016.1.0006.

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., Sunil Kute. "FLOOD MODELING OF RIVER GODAVARI USING HEC-RAS." International Journal of Research in Engineering and Technology 03, no. 21 (June 25, 2014): 81–87. http://dx.doi.org/10.15623/ijret.2014.0321017.

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Dissertations / Theses on the topic "Bridge Modeling using HEC-RAS"

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Bayareddy, Venkata Subbarao. "Determination of Ineffective Flow Areas in Bridge Modeling Using HEC-RAS by Locating Ineffective Flow Stations." University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1462356833.

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Sharma, Subedi Abhijit. "Quantification of the Effect of Bridge Pier Encasement on Headwater Elevation Using HEC-RAS." Youngstown State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1502982013572665.

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Alzahrani, Abdulaziz S. "Application of Two-Dimensional Hydraulic Modeling in Riverine Systems Using HEC-RAS." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1493135117254329.

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Ma, Yan M. Eng Massachusetts Institute of Technology. "Uganda Manafwa River early flood warning system development hydrologic watershed modeling using HEC-HMS, HEC-RAS, ArcGIS." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82819.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 135-136).
The Manafwa River basin spans several districts in Eastern Uganda. Over the years, frequent floods have constantly posed a great threat to the local communities in these districts. The Uganda Red Cross Society (URCS) intends to design a precipitation based flood forecasting system for the Manafwa River Basin. Towards this end, the URCS initiated collaboration with MIT's Department of Civil and Environmental Engineering in January 2013, in an attempt to establish a hydrologic modeling system that relates upstream precipitation with downstream stream discharge using ArcGIS, HEC-HMS and HEC-RAS. This work is dedicated to present the progress in the modeling endeavor, provide technical guidance to the extent possible, and facilitate hydrologic modeling efforts of similar nature. The main focus is on the loss methods used in HEC-HMS: the Curve Number loss method and the Initial and Constant loss method It is found out that the neither the Curve Number nor Initial and Constant loss method is perfectly suitable to modeling both short-term and long term simulations. The Curve Number method is able to better model the precipitation-runoff processes in short term simulations. The Initial and Constant loss method tends to underestimate water volume runoff in short term simulations from what is observed The Curve Number loss method produced results that are on average closer to observed values in short term simulations; however, the resulting curve number values from calibration are considerably lower than the estimated values.
by Yan Ma.
M.Eng.

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Mowinckel, Erland Kragh. "Flood Capacity Improvement of San Jose Creek Channel Using HEC-RAS." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/583.

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The Santa Ynez Mountains of Santa Barbara County, California, have seen many major storm events during the past century. San Jose Creek, which runs out of these mountains, through the town of Goleta, and into the Pacific Ocean, has experienced several intense flood events as a result. The lower portion of the creek was diverted in 1960 to alleviate flooding through Old Town Goleta. However, flooding still occurred in the storms of 1995 and 1998. This study incorporates a hydraulic analysis component of a project aimed at re-designing this diverted portion of the channel. It presents an analysis of modifications to this reach in order to improve its capacity and reduce flooding during a 100-year event. As one of the most prominent software for hydraulic modeling for steady and unsteady state open channel flow, HEC-RAS is used to analyze multiple variations in channel geometry and combinations of lining materials. Of these modifications, the best configuration is suggested.

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Silva, Thiago Alves da. "Modeling of Hydraulic Canal River Granjeiro, Crato / Ec, using the Computer Program HEC-RAS." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=11664.

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This research was conducted in the urban area of the municipality of Crato-CE in the Cariri. The study anger dealing with the application of a hydraulic model for runoff and free channels in a channel that winds masonry part of the urbanized area of the city center and over the years has been occurring flood events due to variable rainfall in the city. The work done included field visits possession of equipment for conducting surveys, measurements of flow, collecting images and measurement field. The information obtained from this study will be a bibliographic database to contribute to the advancement of research and provision of data for better planning and management of water resources site.
Esta pesquisa foi desenvolvida na zona urbana do municÃpio de Crato-CE na regiÃo do Cariri. O estudo tratou da aplicaÃÃo de um modelo hidrÃulico para escoamento em canais livres em um canal de concreto que percorre parte da Ãrea urbanizada do centro da cidade e que ao longo dos anos vem ocorrendo eventos de inundaÃÃo por conta das variÃveis precipitaÃÃes no municÃpio. O trabalho elaborado contou com visitas em campo de posse de equipamentos para realizaÃÃo de levantamentos topogrÃficos, aferiÃÃes de vazÃes, coleta de imagens e mensuraÃÃo de campo. As informaÃÃes obtidas nessa pesquisa servirÃo de base bibliogrÃfica para contribuir no avanÃo de pesquisas e fornecimento de dados para um melhor planejamento e gerenciamento dos recursos hÃdricos local.

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Evanoff, Elizabeth Nicole. "Assessment of causal mechanisms on flood conveyance on the Tisza River, Hungary using one-dimensional retro- and scenario-modeling." OpenSIUC, 2010. https://opensiuc.lib.siu.edu/theses/263.

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During the past decade, a series of record flood stages have occurred along the Tisza River, resulting in extensive damage and displacing the local floodplain population. Previous research on the Tisza River in Hungary showed increases in flood stages for fixed discharges (above bankfull). These results suggest that a loss of conveyance has taken place on the Tisza River, contributing to recent record flood levels. In order to assess the potential causes of flood conveyance losses, new hydrological and geospatial data were obtained from the Hungarian Federal Hydrological Authority (VITUKI) in order to develop hydrodynamic models for two reference conditions, 1979 and 1999, along two study reaches on the Middle Tisza River. In addition to these models of actual conditions at each time step (i.e., "retro-models"), four "scenario models" were developed in order to test the individual impacts of each of the hypothesized causal mechanisms: 1) channel geometry, 2) levees, 3) floodplain roughness (land cover), and (4) channel roughness. Comparison of the models for actual conditions ("retro-model") and the scenario models allows for quantitative assessments of the impacts of each of these parameters on flood conveyance. In addition to these four scenario models, an additional land cover scenario-model was created to further assess the impact of floodplain roughness on stage. Assessment of the two retro-models showed changes in flood stage along both study reaches over the 20-year time step. Along the upper study reach, changes in stage ranged between 0.64 and 1.64 m. On the lower study reach, changes in stage ranged from 0 to 1.75 m. These changes in stage were larger on average than changes in stage previously detected by Venzcel, 2008. Contributions from the channel geometry scenario model were significant on the upper study reach where channel geometry decreased flood stage by up to 0.58 m at Kisköre over the 20-year time step. This was attributed to the dam that was constructed immediately upstream from the Kisköre gauge on the upper study reach. Construction of a dam would cause incision downstream, and therefore, a decrease in flood stage over time due to channel geometry. On the lower study reach, change in stage due to channel geometry was negligible. Contributions from the levee scenario model were negligible on both the upper and lower study reach with a maximum change in stage over the 20-year time step at only 0.11 m. However, during the time step analyzed, no significant change in levee configuration occurred. Changes in stage due to changes in land cover were also negligible along both study reaches. An additional land cover scenario model was created to assess the impact of land cover change on modern flood levels. This scenario model set Manning's n values for floodplain roughness to 0.04, which approximates roughness for pasture and cropland. This scenario model showed that flood stages will decrease by 0.34-0.40 m, but only if the entire floodplain is converted from woodland to pasture/cropland. Channel roughness accounted for the majority of change in stage during the 20-year time step. Along the upper study reach, channel roughness accounted for an average of 1.51 m of change over the 20-year time step. On the lower study reach, channel roughness accounted for 1.03 m of change. Change in the stage/discharge relationship is the best explanation for changes in stage due to channel roughness. Most likely, the channel did not experience such a large change in roughness during the 20-year time step. Instead, the two flood years used in this analysis were different "types" of floods (with differing degrees of hysteresis), and the stage/discharge relationships could not be easily compared. Comparing these two floods may have exaggerated the total change in stage between the two retro-models. Backwater effects are a likely explanation for the change in hysteresis between the two flood years.

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Castro, Bolinaga Celso Francisco. "Hydraulic Modeling of a River Network for Predicting Flood Inundation using HEC-RAS and GIS Models - A Case Study in Southern Virginia." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/49555.

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A flood inundation study is presented for a watershed located in south central Virginia. A HEC-RAS hydrodynamic model of the main river network was developed to assess the impact of a number of hydrologic events, including the Probable Maximum Flood (PMF), in the area of interest. The primary goal of the study was to transform discharge hydrographs produced by HEC-HMS, an event-based hydrologic model, into water surface elevations and flood inundation spatial extents.
Initially, a river terrain model was constructed using data from publically available sources and filed survey campaigns. HEC-GeoRAS and ArcGIS were used to document and integrate the considerable amount of data required for building the model. Then, a calibration process was performed using stage-discharge predictor curves. The HEC-RAS unsteady flow component was employed for routing the discharge hydrographs through the modeled river network. Flood inundation maps, as well as longitudinal water surface elevation and channel velocity profiles were generated for the study reaches.
As part of the flood inundation study, an uncertainty quantification analysis was carried out on the boundary roughness of the floodplains. The objective was to measure the extent to which flood inundated areas, water surface elevations, and channel velocities were influenced by variations on this empirically-based model coefficient.
Finally, the impact of various hydraulic characteristics of the modeled river on the sediment transport process is examined. This characterization is intended to provide a better understanding of a subsequent sediment transport modeling effort to be performed under severe flooding conditions.

Master of Science

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Koppel, David W. "Changes in Flooding and Flood Protection Along a Channelized Reach of the Hocking River, Athens, Ohio." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1306859886.

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Patel, Kunal P. "Watershed modeling using HEC-RAS, HEC-HMS, and GIS models a case study of the Wreck Pond Brook Watershed in Monmouth County, New Jersey /." 2009. http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051392.

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Books on the topic "Bridge Modeling using HEC-RAS"

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Gary, Dyhouse, Hatchett Jennifer, Benn Jeremy, and Haestad Methods Inc, eds. Floodplain modeling using HEC-RAS. Waterbury, CT: Haestad Press, 2003.

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Book chapters on the topic "Bridge Modeling using HEC-RAS"

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Maroua, Himedi, Moumen Zineb, and Lahrach Abderahim. "Hydraulic Modeling of Oued El Jawaher Using HEC-RAS Model for Flood Protection." In Advances in Environmental Engineering and Green Technologies, 199–210. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9771-1.ch009.

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Flooding has a wide range of impacts on societies and natural environments. In this sense, the city of Fez suffers from these problems reflected by the overflow of Oued El Jawaher during the rainy periods. This situation led the authors to compare between the current situation and the situation developed by the thresholds of Oued El Jawaher. HEC-RAS hydraulic model consists of 31 cross-sections, which will be used in the course of this study. The simulations will concern the current state and the developed state for flows of different frequencies. The result of the simulations confirms that the capacity of the proposed hydraulic structures is insufficient to transit and should be considered. To conclude, the development of the channel by thresholds, which serves for the creation of water plan, magnifies the risk of an overflow of the banks of the canal by the water line along with the longitudinal profile.

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David, Ioan, Erika Beilicci, and Robert Beilicci. "Basics for Hydraulic Modelling of Flood Runoff Using Advanced Hydroinformatic Tools." In Geospatial Research, 1291–318. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9845-1.ch060.

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The first part of the chapter presents general and specific issues concerning the use of hydroinformatic tools in hydraulic modeling as important step in decision-making activities in extreme situations such as floods. The special importance of these issues is the fact that currently cannot conceive a project related to water management without the use of computer modeling / simulation. It is shortly presented the usual simplified schematizations of real flow systems which are applied usually for flood modeling: one-dimensional (1D), two-dimensional (2D) or her combination. Based on the general principles of continuum mechanics the fundamental equations of hydrodynamics are deducted which stay on base of the river modeling. For the 1D schemes discussed the particular forms of the basic equations. To illustrate the above explanations in the next section modeling applications for several representative case studies will be presented using three known hydrodynamic/ hydrological modeling packages, namely DUFLOW, HEC-RAS, MIKE-11.

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Conference papers on the topic "Bridge Modeling using HEC-RAS"

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Gjesovska, Violeta. "HYDRAULIC DESING/ MODELING OF BRIDGES USING HEC RAS." In 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017/31/s12.045.

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Rustawa, Nita Widia Khairinnisa, Bambang Setio Budianto, and Djuwadi. "Modeling Local Scour Characteristics on The Batujajar Bridge Pillar Using HEC-RAS Software." In International Seminar of Science and Applied Technology (ISSAT 2020). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/aer.k.201221.049.

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Thomas, Iwan M., and David T. Williams. "Common Modeling Mistakes Using HEC-RAS." In World Environmental and Water Resources Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)97.

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Goodell, Christopher R. "Dam Break Modeling for Tandem Reservoirs — A Case Study Using HEC-RAS and HEC-HMS." In World Water and Environmental Resources Congress 2005. Reston, VA: American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40792(173)402.

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Gee, D. Michael. "Dam Breach Modeling with HEC-RAS Using Embankment Erosion Process Models." In World Environmental and Water Resources Congress 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41114(371)144.

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Otis, Stephanie C., and Gene L. Foster. "Diversion of S-4 Basin Drainage from Lake Okeechobee: Hydraulic Modeling of Alternatives Using HEC-RAS." In World Environmental and Water Resources Congress 2009. Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41036(342)290.

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Gutenson, Joseph L., Mark D. Wahl, Matthew P. Geheran, Matthew W. Farthing, and Michael L. Follum. "Using Global Hydrometeorologic Forecasts as a Boundary Condition for Two-Dimensional HEC-RAS Modeling in Data Sparse Environments." In World Environmental and Water Resources Congress 2018. Reston, VA: American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784481394.024.

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Mehzabin, Sabrina. "Trend Analysis of Variables and Modeling of Flow and Salinity of the Gorai River Using 1D HEC-RAS Model." In World Environmental and Water Resources Congress 2019. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482346.038.

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Viswanathan, Chandramouli, and Mohammad Karim. "Examining the Influence of a Flow Diverter Constructed to Mitigate Floods in Little Calumet River Using Unsteady Flow Simulation with HEC RAS Modeling." In World Environmental and Water Resources Congress 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479162.237.

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Weedman, Nichole, Matthew C. Pierson, Robert Pavlowsky, and Marc Owen. "USING SURVEY DATA AND HEC-RAS MODELING TO ASSESS MINING-CONTAMINATED SEDIMENT DEPOSITION BEHIND A RIFFLE RAMP REMEDIATION STRUCTURE IN BIG RIVER, BONNE TERRE, MISSOURI." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-285029.

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Reports on the topic "Bridge Modeling using HEC-RAS"

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Shelley, John. Modeling the effect of increased sediment loading on bed elevations of the Lower Missouri River. Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40360.

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Abstract:

This US Army Corps of Engineers (USACE) National Regional Sediment Management Technical Note (RSM-TN) documents the effects of increased sediment loading to the Missouri River on bed elevations in the lower 498 miles. This was accomplished using a one-dimensional (1D) HEC-RAS 5.0.7 sediment model.

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