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Hao Wu, Xuewen Lei, Xiang Chen, Jianhua Shen, Xinzhi Wang and Tiantian Ma
The reclamation coral sand (CS) layer is the survival environment for island reef vegetation in the South China Sea. The root system within the CS bed draws water necessary for vegetation growth, implying that the water-retention capacity of CS plays a p...
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Wenzheng Zhang, Jiumao Cai, Guoliang Zhai, Lei Song and Mouchao Lv
The sand media filter is a crucial component of micro-irrigation filtration systems. Investigating the effects of various factors on filtration performance and the migration patterns of sediment particles within the filter can enhance the healthy operati...
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Fotios K. Katrivesis, Varvara Sygouni, Christakis A. Paraskeva and Vagelis G. Papadakis
Surface-water treatment plants use the flocculation?precipitation method followed by gravity filters to remove suspended solids. In the present work, the replacement of gravity filters with ultrafiltration membrane units is suggested to improve the effic...
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Xing Wang, Yang Wu, Jie Cui, Chang-Qi Zhu and Xin-Zhi Wang
The particle shape of coral sand is a crucial factor that affects its accumulation characteristics. Two-dimensional particle images of coral sand with different particle sizes were obtained through optical imaging, and the basic size parameters of partic...
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Defeng Yang, Guobin Xu and Yu Duan
In the field of geotechnical engineering, microbially induced calcium precipitation technology is feasible and sustainable alternative to improve the engineering characteristics of sand foundation under different geological conditions for a long time. Ho...
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Peter J Mitchell, John Aldridge and Markus Diesing
Sediment maps developed from categorical data are widely applied to support marine spatial planning across various fields. However, deriving maps independently of sediment classification potentially improves our understanding of environmental gradients a...
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V. V. Buhaienko,Yu. I. Osenin
Pág. 17 - 20
A process of interaction of the running-on air stream and the particle of an abrasive material on a way section from an exhaust outlet of sanding plant to a place of locomotive wheel/rail contact is considered. The mathematical model of movement of a par...
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Ho-Jun Yoo, Hyoseob Kim, Tae-Soon Kang, Ki-Hyun Kim, Ki-Young Bang, Jong-Beom Kim and Moon-Sang Park
Coastal erosion is caused by various factors, such as harbor development along coastal areas and climate change. Erosion has been accelerated recently due to sea level rises, increased occurrence of swells, and higher-power storm waves. Proper understand...
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Hüseyin Karaca, Kamil Tekin, Süleyman Bahadir Keskin, Özlem Kasap Keskin
Pág. 447 - 460
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Bethel Uzoho, Nnaemeka Okoli, Ugochi Ekwugha
Pág. 43 - 58
Sesquioxides which play significant roles in soil classification and dominant soil properties vary in soils with particle size fractions. Using randomized complete block design, this study was conducted in the month of June 2018 to evaluate the impact of...
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Zhe Mei, Anfeng Xiao, Jiahao Mei, Jinqiu Hu and Peng Zhang
In order to study the variation law of shear frictional characteristics of the steel pipe jacking and sand interface under different working conditions, the shear stress?strain curve between five different particle sizes of sand and steel pipe jacking un...
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Jingsheng Lu, Decai Lin, Dongliang Li, Deqing Liang, Long Wen, Siting Wu, Yiqun Zhang, Yong He, Lingli Shi and Youming Xiong
Sand production and sand control studies in non-diagenetic reservoirs are the weak point in the conventional petroleum industry. However, natural gas hydrate (NGH) mainly exists in non-diagenetic strata, and sand production occurs during exploitation, wh...
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Keqi Liu, Wantao Ding and Chunxu Qu
The penetration characteristics of the slurry and the support pressure transfer mechanisms are critical to the tunnel face stability control during a mechanized excavation. In this paper, numerical calculations coupling computational fluid dynamics (CFD)...
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Chatuphorn Somphong, Keiko Udo, Sompratana Ritphring and Hiroaki Shirakawa
A recent study suggested that significant beach loss may take place on the coasts of Thailand by the end of the 21st century as per projections of sea-level rise by the Intergovernmental Panel on Climate Change (IPCC). The present study adapts a framewor...
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Zhen-Zhen Nong, Qing Wang, He-Ying Hou, Peng-Ming Jiang and Ai-Zhao Zhou
Calcareous sand, a type of marine sediment formed from the skeletal remains of marine life, exhibits unique characteristics such as high porosity and fragility due to its biological origin. Particle breakage is a key attribute of calcareous sand. Given t...
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Junbo Liu, Xiaozhen Zhang, Zhixi Mai, Yongqing Wang, Shaohua Wang, Yebing Cai and Junli Feng
The rapid development of the traditional ceramic industry contributes considerably to economic advancements; however, the ecological hazards caused by the large amount of sintered ceramic wastes generated during ceramic production and discarded at landfi...
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Luqman Kolawole Abidoye and Diganta B. Das
This study elucidates the effects of the particle size, carbonation time, curing time and pressure on the efficiency of carbon storage in Portland cement mortar. Using pressure chamber experiments, our findings show how carbonation efficiency increases w...
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Bahareh Aghasi,Ahmad Jalalian,Hossein Khademi,Ali Asghar Besalatpour
Pág. 115 - 128
Dust formation is one of the most seriously damaging environmental issues in arid and semiarid areas. In this study, the decision tree-based Chi-square Automatic Interaction Detector (CHAID) algorithm was used to determine the non-linear relationships of...
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Stanko Ru?icic, Zoran Kovac, Dario Perkovic, Laura Bacani and Ljubica Majhen
The physicochemical properties of soil and the unsaturated zone can have a large influence on the infiltration of precipitation into an aquifer. Soil permeability presents soil property that can be very variable. The main objectives of this study were to...
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Luis Fernando Perez-Mercado, Cecilia Lalander, Christina Berger and Sahar S. Dalahmeh
The potential of biochar as a filter medium for onsite wastewater treatment was investigated in five sub-studies. Sub-study 1 compared pollutant removal from wastewater using pine-spruce biochar, willow biochar and activated biochar (undefined biomass) f...
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