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Stefania Bilardi, Domenico Ielo and Nicola Moraci
Predictive models able to provide a reliable estimate of hydraulic conductivity can be useful in various geotechnical applications. Since most of the existing predictive methods for saturated hydraulic conductivity estimation are valid only for a limited...
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Lisha Zhang, Shimin Zhang, Xin Liu and Yinsuo Sun
Due to the impact of natural and artificial influence, such as waves, tides, and artificial dewatering, the small-strain shear modulus of soils may vary with the water content of soil, causing deformation of excavations and other earth structures. The pr...
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Peng Yu, Jie Dong, Yong Guan, Qing Wang, Shixiang Jia, Meijun Xu, Hongjun Liu and Qi Yang
The shear behavior and dynamic response of a steel?silt interface are significant for the safety and stability of offshore structures in the Yellow River Delta. A series of steel?silt interface cyclic shear tests under constant normal load conditions (CN...
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Yi-Bo Li, Ye Liu, Wei-Bo Nie and Xiao-Yi Ma
The accurate estimation of soil hydraulic parameters (?s, a, n, and Ks) of the van Genuchten?Mualem model has attracted considerable attention. In this study, we proposed a new two-step inversion method, which first estimated the hydraulic parameter ?s u...
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Patrick S. Michael
Pág. 42 - 54
In poor soils, addition of alkaline sandy loam containing an adequate proportion of sand, silt and clay would add value by improving the texture, structure and organic matter (OM) for general use of the soils. In acid sulfate soils (ASS), addition ...
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Tianbao Huang, Zhenhua Wang, Li Guo, Haiqiang Li, Mingdong Tan, Jie Zou, Rui Zong and Yam Prasad Dhital
The evaluation of soil particle composition and salt dynamics is essential for promoting the sustainable development of oasis agriculture in arid regions under long-term mulched drip irrigation (MDI). In this study, we employed the space-for-time substit...
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Izabella Pisarek and Katarzyna Grata
The aim of this study was to determine the impact of different chemical properties in soil, including changes in magnetic susceptibility and the impact of humic substances from sewage sludge and fly ash on the microbial community in the soybean agroecosy...
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Guibin Wang, Binhui Liu, Mark Henderson, Yu Zhang, Zhi Zhang, Mingyang Chen, Haoxiang Guo and Weiwei Huang
The impact of terracing construction on the soil moisture content of slope farmland was analyzed at three sites in northeast China?s black soil region, across a range of latitudes and hydrological, temperature and soil quality conditions. At each researc...
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Donggeun Kim and Younghwan Son
Thresholding is a digital image analysis method used to distinguish objects from the background in images and it is mainly used for void and density analysis in soil. It is important to select an appropriate thresholding method because the accuracy of vo...
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Zoran Kovac, Vedran Krevh, Lana Filipovic, Jasmina Defterdarovic, Borna-Ivan Bala? and Vilim Filipovic
This paper presents research related to the estimation of the precipitation fraction in the soil water of a sloped vineyard at the SUPREHILL Critical Zone Observatory (CZO) in Zagreb, Croatia. Numerous investigations have shown that exploration of hillsl...
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Hao Yang, Jianfeng Zhu, Yanli Tao, Zhengqing Wang and Qiqi Zheng
This research aims to investigate the potential of engineering waste marine silt stabilized by a self-developed stabilizing chemical additive called PZ-1 as a subgrade filler. PZ-1 is composed of calcium carbide residue (CCR) and plant ash (PA) under an ...
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Peng Yu, Jie Dong, Haisong Liu, Rui Xu, Rujie Wang, Meijun Xu and Hongjun Liu
Pile foundations of offshore structures are often subjected to cyclic loads under storm loads, thus reducing their vertical bearing capacity. Therefore, studying the cyclic shear behavior of the soil?structure interface is important for maintaining the s...
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Ying Yang, Hailei Kou, Zhenghui Li, Yonggang Jia and Chaoqi Zhu
The study of the physical and mechanical properties of marine soil is of great importance for marine geohazard prediction, submarine energy extraction, and submarine foundation design. In this study, a series of basic geotechnical tests and triaxial comp...
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Peipei Yang, Zhou Hu and Qiang Shu
The physical and chemical properties of coastal soils in China have changed due to the development of reclaimed stretches of coastline, which has a significant impact on the dynamics of organic carbon (OC) in the soils. We evaluated changes in the physic...
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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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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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Stephen Daniel, Geofrey Gabiri, Fridah Kirimi, Björn Glasner, Kristian Näschen, Constanze Leemhuis, Stefanie Steinbach and Kelvin Mtei
Analysis and interpretation of soil properties dynamics is a keystone in understanding the hydrologic responses and yield potential of floodplain wetlands. This study characterizes the distribution and spatial trends of selected soil physical properties ...
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Qiang Feng, Xudong Guo, Wenwu Zhao, Yang Qiu and Xiao Zhang
The highest annual precipitation in Ansai during the past 60 years was observed in 2013. Studying the effects of such extreme annual precipitation on soil erosion can deepen similar research and help predict environmental damage under future extreme rain...
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Baig Abdullah Al Shoumik, Md. Sanaul Islam
Pág. 120 - 132
The coastal soils of Bangladesh are preferentially dominated by silt content and stressed by salinity (Na+) as well as low humus content . Hence, these soils are moderately to extremely vulnerable to water erosion, which is a major form of land deg...
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Dinesh Khadka, Sushil Lamichhane, Keshav Shrestha, Sushila Joshi, Manoj Karna, Buddhi B. Pant, Surendra Yadav
Pág. 46 - 70
Soil fertility evaluation is a prerequisite factor for sustainable planning of a particular region. Considering this, a study was conducted to determine the soil fertility status of the Agricultural Research Station, Jaubari, Illam, Nepal. In total, 78 s...
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