Journal of Hydraulic Structures
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Predicting Sediment Transport on Steep Slopes After Dam Removal: A Case Study of Zonouz Dam
(Shahid Chamran University of Ahvaz, 2023-04-01)There have been many dam removals around the world in recent decades due to safety issues, reservoir volume loss, and other factors. Sediments are deposited in dam reservoirs after years of operation, and sediment transfer ...
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Investigating Discharge Coefficient of Slide Gate-Sill Combination Using Expert Soft Computing Models
(Shahid Chamran University of Ahvaz, 2023-04-01)The use of gate-sill combinations in recent years has been one of the new methods in increasing the hydraulic performance of gates, including the discharge coefficient (Cd). The present research aims to investigate the Cd ...
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Development of a new hybrid technique for estimating of relative uplift force in gravity dams based on whale optimization algorithm
(Shahid Chamran University of Ahvaz, 2023-04-01)A numerical model is developed in this study using the finite element method (FEM) to estimate relative total uplift force for different positions of holes of drainage gallery in the foundation of Guangzhao gravity dam, ...
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Experimental Investigation of Hydraulic Jump Parameters in Sill Application Mode with Various Synthesis
(Shahid Chamran University of Ahvaz, 2023-04-01)Here, the effect of sill application on hydraulic jump parameters has been investigated. The model of sills is made of polyethylene in various dimensions. The sills were investigated in different positions relative to the ...
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An investigation into the effects of tidal barrier operation on the tidal asymmetry in the Arvand Estuary
(Shahid Chamran University of Ahvaz, 2023-04-01)The Arvand River forms the border between Iran and Iraq and is the only permanent river discharging into the Persian Gulf(PG). It is a tidal river adversely affected by sedimentation,which is more likely resulted from tidal ...
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A study of five types of ANN-based approaches to predict discharge coefficient of combined weir-gate
(Shahid Chamran University of Ahvaz, 2023-02-01)Since many years ago, flow measurement has become a fundamental issue in hydraulic engineering. One of the conventional methods of flow measurement is the use of combined structures. In this regard, using a combined ...
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Mapping scour depth around group bridge pier under controlled conditions
(Shahid Chamran University of Ahvaz, 2023-02-01)As a destructive process, scouring exposes bridge foundations to failure and disastrous consequences. Control structures of various arrangements are capable to change and manage the adverse effects. This paper aims to ...
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Numerical investigation of bed-load changes on sediment flushing cavity
(Shahid Chamran University of Ahvaz, 2023-02-01)The tanks' useful life will be reduced if their sediments are not discharged with a suitable method. Various hydraulic and mechanical methods can be used in many countries to discharge sediments from reservoirs. Pressure ...
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Laboratory study of scouring around the roughened pile groups in the presence of material harvesting pits and at different Froude numbers
(Shahid Chamran University of Ahvaz, 2023-02-01)Harvesting the river materials can cause negative effects on the river and can intensify scouring around the bridge piers. This study investigates local scouring around roughened pile groups with gravel in the presence of ...
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Water Crisis in Iran and Its Security Consequences
(Shahid Chamran University of Ahvaz, 2023-02-01)Today, due to lack of water resources, particularly safe drinking water, countries are experiencing a turmoil resulting in the formation of many crises in them. Hence, Iran is one of the countries all over the world where ...
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Optimization of the synthesis of UiO-66-NH2 catalyst and its application for removing organophosphorus pesticides from wastewater
(Shahid Chamran University of Ahvaz, 2023-02-01)The present research focuses on optimizing the laboratory synthesis of a metal-organic framework for decomposing organophosphorus pollutants in aquatic environments (caused by pesticides). In the first stage, by defining ...
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High Deformable Anchorage System in Slabs-on-Grade in Hydraulic Structures
(Shahid Chamran University of Ahvaz, 2022-10-01)Severe local differential displacements and the resulting high stresses in the slabs-on-grade in hydraulic structures are often caused by the displacement of bottom layers with cracks and joints or the presence of swollen ...
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Sensitivity Analysis of Weakly Compressible Moving Particle Semi-Implicit Method in a Dam-Break Flow Simulation
(Shahid Chamran University of Ahvaz, 2022-10-01)Lagrangian approaches such as the Moving Particle Semi-Implicit method and Smoothed particle Hydrodynamics are the latest techniques in Computational Fluids Dynamics and have attracted the attention of many researchers. ...
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Probabilistic design criterion for best arrangement of bracing configuration in JTOP structures
(Shahid Chamran University of Ahvaz, 2022-10-01)Fixed marine structures is widely utilized as production or oil recovering platform in the shallow sea, and are also subject to random loading. Jacket structures subject to random loading pose difficulties in both analysis ...
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Numerical Study of Flow Characteristics Over Pivot Weirs
(Shahid Chamran University of Ahvaz, 2022-10-01)Pivot weirs have a lifting mechanism to change the weir angle relative to the channel bed. These are installed across the waterways in the form of multiple weirs in a row. The water level will be adjusted by changing the ...
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Investigating the effect of point-of-use water treatment (POU) system on Urban Water Quality in IRAN: A systematic review
(Shahid Chamran University of Ahvaz, 2022-10-01)In many developing countries, insufficient water treatment forces the people to use the home point of use (POU) systems. A scientific review was conducted for all articles published on POU for Iranian cities. This study ...
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Design of an Experimental Setup for Free Surface Vortex at Intakes (Including a Review on the Constructed Laboratory Models)
(Shahid Chamran University of Ahvaz, 2022-07-01)In this study, the laboratory design and construction including: hydraulic, structure and water circulation system of a model for free surface vortex studies at intakes are described in details. Design parameters are ...
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Investigation of the Potential Threat of Urban Flood at Mountainous Areas through Low Impact Development Techniques (Case Study: Ardabil City)
(Shahid Chamran University of Ahvaz, 2022-07-01)Mountainous areas are highly exposed to storm rainfalls due to the climate conditions in these regions. The current study mainly aimed to identify the channels and potential regions for inundation and flooding in Ardabil, ...
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Fractures in non-homogeneous rockfill materials from a micromechanics perspective
(Shahid Chamran University of Ahvaz, 2022-07-01)This study investigates particle breakage and cracks propagation of non-homogeneous rockfill materials, particularly conglomerates, from a microscale perspective. The conglomerate's materials were gathered from Masjed-E-Soleyman, ...
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Treatment of petroleum refinery effluents by a hybrid system of activated sludge and rotation biological reactor, followed by the sand filter
(Shahid Chamran University of Ahvaz, 2022-07-01)In this study, a novel hybrid treatment system was designed to increase the removal efficiency of petroleum refinery wastewater. The hybrid system is a pilot scale including an activated sludge combined with a rotating ...