PROCESS OF SEDIMENTATION/CONSOLIDATION OF COHESIVE SEDIMENTS USING PHYSICAL MODEL

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SAMADI BOROUJENI H.; FATHI MOGHADAM MANOUCHEHR; SHAFAEI BAJESTAN MAHMOUD

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Paper Information

Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2005 | Volume:27 | Issue:(Special Issue of Water Science Engineering) Page(s): 89-105

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Information Journal Paper

Title

PROCESS OF SEDIMENTATION/CONSOLIDATION OF COHESIVE SEDIMENTS USING PHYSICAL MODEL

Author(s)

SAMADI BOROUJENI H. | FATHI MOGHADAM MANOUCHEHR | SHAFAEI BAJESTAN MAHMOUD | Issue Writer Certificate

Keywords

SEDIMENTATIONQ4

CONSOLIDATIONQ3

COHESIVE SEDIMENTSQ4

DAM RESERVOIRSQ3

PHYSICAL PROPERTIES OF SEDIMENTSQ4

Abstract

One of the problems found in the DAM RESERVOIRS is the SEDIMENTATION of COHESIVE SEDIMENTS just upstream of the dam. By increasing the sediment volume, the CONSOLIDATION process is initiated and the sediments will be consolidated over time. To dredge or flush these sediments either through mechanical or hydraulic processes, it is important to determine the physical properties of consolidated sediments. An experimental study was conducted to investigate the mechanism of CONSOLIDATION for submerged COHESIVE SEDIMENTS. In order to identify and review the SEDIMENTATION and CONSOLIDATION processes for COHESIVE SEDIMENTS and to define the required physical parameters, a physical test model consisting of a Plexiglas cylindrical tube with a diameter of 30 cm and a height of 3,5 m was constructed. Experiments were carried out on the cohesive sed. with various initial heights and density. During the initial hours of the test, water within the test cylinder was muddy, yet the sediments gradually began to settle and a visible sediment – water interface was formed and it was possible to measure the CONSOLIDATION process. in the model. Results of this study show that the SEDIMENTATION and CONSOLIDATION process is not only affected by the type of water and sediment but also the initial height and density of the water and sediment mixture. The developed dimensionless parameters revealed a correlation between various experiments with different initial height and density. The results of the study also reveal a four separate logarithmic relationship between sediment density and time in the SEDIMENTATION and CONSOLIDATION process.

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APA: Copy

SAMADI BOROUJENI, H., FATHI MOGHADAM, MANOUCHEHR, & SHAFAEI BAJESTAN, MAHMOUD. (2005). PROCESS OF SEDIMENTATION/CONSOLIDATION OF COHESIVE SEDIMENTS USING PHYSICAL MODEL. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 27((Special Issue of Water Science Engineering)), 89-105. SID. https://sid.ir/paper/24667/en

Vancouver: Copy

SAMADI BOROUJENI H., FATHI MOGHADAM MANOUCHEHR, SHAFAEI BAJESTAN MAHMOUD. PROCESS OF SEDIMENTATION/CONSOLIDATION OF COHESIVE SEDIMENTS USING PHYSICAL MODEL. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2005;27((Special Issue of Water Science Engineering)):89-105. Available from: https://sid.ir/paper/24667/en

IEEE: Copy

H. SAMADI BOROUJENI, MANOUCHEHR FATHI MOGHADAM, and MAHMOUD SHAFAEI BAJESTAN, “PROCESS OF SEDIMENTATION/CONSOLIDATION OF COHESIVE SEDIMENTS USING PHYSICAL MODEL,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 27, no. (Special Issue of Water Science Engineering), pp. 89–105, 2005, [Online]. Available: https://sid.ir/paper/24667/en

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