“…The results of the current study were compared with freshwater quality criteria, and the level of As was observed to be several orders of magnitude greater than the water quality permissible standards established by the USEPA. 65 Arsenic concentrations in the current study's water samples were compared to those of other relevant studies at the national and international levels, and the As value was clearly higher than those of the rivers of Turag, 66 Meriç-Ergene River, 67 the Tigris River, 68 the Ganges River, 69 and the Catalan River 70 (Table 3). The highest concentration of Cd was found in surface water at the B13 site (95.6 and 88.0 mg L −1 in the dry and wet seasons, respectively), followed by deep water at the B14 site (89.9 and 63.3 mg L −1 in dry and wet seasons, respectively) (Table 2).…”
Section: Physical and Chemical Properties Of The Surface And Deep Watersmentioning
Buriganga, an economically important river located around the industrialized urban area of Dhaka city, Bangladesh. In this study, 17 water quality parameters (EC, pH, TSS, temperature, F-, Cl-, SO42-, Cr,...
“…The results of the current study were compared with freshwater quality criteria, and the level of As was observed to be several orders of magnitude greater than the water quality permissible standards established by the USEPA. 65 Arsenic concentrations in the current study's water samples were compared to those of other relevant studies at the national and international levels, and the As value was clearly higher than those of the rivers of Turag, 66 Meriç-Ergene River, 67 the Tigris River, 68 the Ganges River, 69 and the Catalan River 70 (Table 3). The highest concentration of Cd was found in surface water at the B13 site (95.6 and 88.0 mg L −1 in the dry and wet seasons, respectively), followed by deep water at the B14 site (89.9 and 63.3 mg L −1 in dry and wet seasons, respectively) (Table 2).…”
Section: Physical and Chemical Properties Of The Surface And Deep Watersmentioning
Buriganga, an economically important river located around the industrialized urban area of Dhaka city, Bangladesh. In this study, 17 water quality parameters (EC, pH, TSS, temperature, F-, Cl-, SO42-, Cr,...
“…The complex task of predicting the bearing capacity of shallow foundations lying on geosynthetic-reinforced soils was recently analyzed using AI techniques [30][31][32][33][34]. Other studies focused on analyzing the bearing capacity of shallow foundations on natural slopes using machine learning (ML) techniques [35][36][37].…”
Geosynthetic-reinforced soil structures are often used to support shallow foundations of various infrastructure systems including bridges, railways, and highways. When such infrastructures are located in seismic areas, their performance is linked to the seismic bearing capacity of the foundation. Various approaches can be used to calculate this quantity such as analytical solutions and advanced numerical models. Building upon a robust upper bound limit analysis, we created a database comprising 732 samples. The database was then used to train and test a model based on a random forest machine learning algorithm. The trained random forest model was used to develop a publicly available web application that can be readily used by researchers and practitioners. The model considers the following input factors: (1) the ratio of the distance of the foundation from the edge and the width of the foundation (D/B), (2) the slope angle (β), (3) the horizontal seismic intensity coefficient (kh), and (4) the dimensionless geosynthetic factor, which accounts for the tensile strength of the geosynthetic. Leveraging the model developed in this study, we show that the most important features to predict the seismic bearing capacity of strip footings positioned on the crest of geosynthetic-reinforced soil structures are D/B and kh.
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