Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Mojtaba Sanei"'
Publikováno v:
محیط زیست و مهندسی آب, Vol 4, Iss 1, Pp 1-11 (2018)
Many financial and living expenses are caused annually due to the destruction of bridges in the flood events. Studies show that changes in bridges' geometry can lead to changes in the time to reach maximum scouring. The purpose of this study was to i
Externí odkaz:
https://doaj.org/article/ff8948052cc24f19b05d8fbc3e28e691
Publikováno v:
Journal of Rehabilitation in Civil Engineering, Vol 2, Iss 2, Pp 32-39 (2014)
Scour around hydraulic structures is an inevitable phenomenon . Recognition of this phenomenon and dealing with it is an issue considering which will ensure the project success . Local scour at piers has been reported as the most important factor in
Externí odkaz:
https://doaj.org/article/5e304cc1517c4a27b3733097d900a977
Publikováno v:
علوم و مهندسی آبیاری, Vol 33, Iss 1, Pp 101-111 (2009)
Regarding the bottom outlet gates, the optimal hydraulic design to ensure non-occurrence of destructive vibrations is very important. Forces inserted into the gates due to the flow with high hydrostatic pressure under the gates may cause creation of
Externí odkaz:
https://doaj.org/article/4c83bc23ca34490895a9d3a6a5176b11
Publikováno v:
Modeling Earth Systems and Environment. 8:1991-2000
Bedload transport due to approved complexity and challenges has been the subject of different modeling approaches. Due to imprecise of the empirical equations, the potencies of the intelligent techniques in developing more accurate bedload predictive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b9d7ad99fdc135c8c8587be31807393
https://doi.org/10.1007/s40808-021-01165-w
https://doi.org/10.1007/s40808-021-01165-w
Publikováno v:
Environmental Processes. 4:255-272
This study investigates bed load transport and flow resistance in alluvial channels that contain fine suspended sediment. In all, 123 samples were run in a laboratory flume over uniform bed materials. Different hydraulic conditions were considered in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a812b7a0a886b5f0ea058fcb71923957
https://doi.org/10.1007/s40710-017-0211-5
https://doi.org/10.1007/s40710-017-0211-5
Publikováno v:
SN Applied Sciences, Vol 5, Iss 7, Pp 1-15 (2023)
Abstract The local scouring around the pier, is one of major cause of the bridges failure worldwide. Compared to the flow hydraulics in single channels, the flow pattern in compound channels is completely different with flood plains covered with vege
Externí odkaz:
https://doaj.org/article/7919923c818c4c2496aeff0e7dba957f
Publikováno v:
Journal of Applied Research in Water and Wastewater, Vol 9, Iss 2, Pp 26-40 (2022)
In this paper, the ANFIS network was optimized using three algorithms comprising the Particle Swarm Optimization (PSO), Firefly Algorithm (FFA), and Genetic algorithm (GA) for the first time. To ameliorate the ability of the numerical models,the Mont
Externí odkaz:
https://doaj.org/article/91c8fa8736d14f41b14e7bbdcfd7279f
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 8, Iss 1, Pp 159-170 (2022)
A side weir is a hydraulic control structure used in irrigation and drainage systems and combined sewer systems. The Piano Key Weir (PKW) is a new type of long crest weirs that have a relatively simple structure and high economic efficiency structure
Externí odkaz:
https://doaj.org/article/39937a45ef824cc9ac439c5d00e8ee05
Publikováno v:
Applied Water Science, Vol 12, Iss 8, Pp 1-15 (2022)
Abstract Using the outlier robust extreme learning machine (ORELM) method, the discharge coefficient of side weirs placed on rectangular and trapezoidal canals was simulated for the first time in this study. The parameters governing the discharge coe
Externí odkaz:
https://doaj.org/article/4bf8eea685c144428e67b9b4dcdfd91d
Publikováno v:
علوم و مهندسی آبیاری, Vol 43, Iss 4, Pp 23-32 (2020)
In this paper, the quarter-circular crested stepped spillway (QCSS) is introduced and its hydraulic properties including the discharge coefficient (Cd) and energy dissipation of flow are investigated. The QCSS consists of a quarter-circular as the cr
Externí odkaz:
https://doaj.org/article/7acb92a7bbee4c3ca4633b36b61c1180