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661
Reasonable Treatment Range of Karst Cave Encountered by Super-Large Diameter Shield Tunnel in Strongly Karst-Developed Area
Published 2024-01-01“…The results show that the bearing capacity of the lining has a certain reserve when the intrusive cave is smaller than a certain size, and the caves filled with plastic or hard plastic clay have sufficient antifracturing ability. Therefore, some small fully filled caves inside the tunnel profile can be left unreinforced. …”
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662
Properties of Arboreal Ant and Ground-Termite Nests in relation to Their Nesting Sites and Location in a Tropical-Derived Savanna
Published 2012-01-01“…Soils worked by ants and termites had greater proportions of silt-sized (17.9 versus 9.7) and clay-sized (19.2 versus 9.3) to the detriment of coarse-sized particles (51.2 versus 60.9) and fine-sand-sized particles (11.7 versus 20.1) relative to the adjacent soils. …”
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663
Synthesis and Characterization of Fe3O4-Bentonite Nanocomposite Adsorbent for Cr(VI) Removal from Water Solution
Published 2022-01-01“…The intercalation of magnetite nanoparticles onto the bentonite clay increased its specific surface area from 142 to 177 m2/g as per BET analysis. …”
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664
Laboratory Model Study on the Pile-Forming Mechanisms and Bearing Deformation Characteristics of CFA Piles
Published 2021-01-01“…To study the pile-forming mechanism and bearing deformation characteristics of continuous flight auger (CFA) piles, a series of procedures, including helical drilling, pulling up/grouting, and inserting cage/pile forming, were simulated in clay-sand double-layer foundations by a homemade model drilling machine system in laboratory model tests. …”
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665
Using Reflectance Spectroscopy and Artificial Neural Network to Assess Water Infiltration Rate into the Soil Profile
Published 2012-01-01“…It was concluded that both models (PLS regression and ANN) are generic as they are based on properties that correlate with the physical crust, such as clay content, water content and organic matter. Nonetheless, better results for the connection between infiltration rate and spectral properties were achieved with the non-linear ANN technique in terms of statistical values (RMSE of 17.3% for PLS regression and 10% for ANN). …”
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666
Effect of Porosity on Soil-Water Retention Curves: Theoretical and Experimental Aspects
Published 2020-01-01“…The formulation is verified by both the test data and the literature data for FEBEX bentonite and Boom clay. The very good agreements between measured and predicted results show that the SWRC model is reliable and feasible for various soils.…”
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667
Keggin-Type Heteropolyacid for Ring-Opening Polymerization of Cyclohexene Oxide: Molecular Weight Control
Published 2015-01-01“…It has been found that the PCHO prepared over H3PW12O40·13H2O has a stereoregularity higher than that prepared over clay and Aluminium alkoxide catalysts. The Tg value obtained is due to the microstructure but not to molecular weight. …”
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668
Residue Kinetics of Ethofumesate in Texturally Diverse Soils of Sugar Beet Crop under Field Conditions
Published 2021-01-01“…The average half-life for initial and later phases in sandy loam soil, respectively, was 14.54 and 20.42 and 51.83 and 65.21 days, while for silty clay loam, it was 10.09 and 13.00 and 71.42 and 73.10 days, respectively. …”
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669
Alimenter la ville de Lyon en eau : les galeries de captage antiques sous les collines de Fourvière et de la Croix-Rousse
Published 2023-12-01“…It consists either in channelling water from springs emerging from the hillsides, or in digging a gallery, sometimes leading from the bottom of a well, to capture infiltration water in the top of a clay layer. These galleries could be left in the ground, without any particular reinforcement, and the water would be captured by capillary action through the substrate. …”
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670
Predicting and Investigating the Permeability Coefficient of Soil with Aided Single Machine Learning Algorithm
Published 2022-01-01“…Plasticity index, density > water content, liquid limit, and plastic limit > clay content > void ratio are the order effects on the predicted value of the permeability coefficient. …”
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671
Barrancas de Barrujón (Toledo, España, 2019)
Published 2021-01-01“…Barrancas de Barrujón (Toledo, Spain, 2019) This place is located 30 km from Toledo where the river Tajo creates an incision in detrital materials from the tertiary era (reddish clay rock), creating deep canyons near the Castrejón reservoir. …”
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672
Impacts of Groundwater Recharge from Rubber Dams on the Hydrogeological Environment in Luoyang Basin, China
Published 2014-01-01“…Nitrates adsorbed by the silt clay of aeration zone appear to have entered the groundwater through physical and chemical reactions. …”
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673
Distributions of Trace Elements and Their Relationships With Heavy Minerals in Some Chinese Low‐Rank Coals
Published 2025-01-01“….%) in the four low‐rank coals with clay minerals dominating in composition. Minerals in the heavy mineral fractions (HMFs, ρ > 2.89 g/cm3) vary from coal to coal. …”
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674
Impact of Uniaxial Mechanical Perturbation on Structural Properties and Smectite Porosity Features: Ion Exchanger Efficiency and Adsorption Performance Fate
Published 2022-01-01“…An evaluation of the performance of the mechanisms controlling the clay-environment interaction and predicting the dynamics/configuration of the interlayer space (IS) is required. …”
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675
Utilizing hydrophobic sand to construct an air permeable aquiclude to enhance rice yields
Published 2025-01-01“…Field plot experiments for 2 years have been conducted, with control groups, Clay Aquitard (CAT), and Plastic Aquiclude (PAC), to evaluate the effects of APAC on rice yield, nitrogen utilization, and water efficiency. …”
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676
Suitability of Bentonite-Stabilized Laterite for Use as a Material for Nuclear Waste Containment in Sub-Saharan Africa
Published 2025-01-01“…The results reveal that the addition of laterite improves the compaction properties of the mixture, decreases the clay concentration, increases permeability, reduces water absorption, and lowers swelling capacity. …”
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677
Hydroelectric simulation of the phreatic water response of mining cracked soil based on microbial solidification
Published 2025-02-01“…When the cracked soil was filled with a 1:1 ratio of aeolian sand to clay particles, the microbially remediated soil demonstrated optimal mechanical and hydraulic properties. …”
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678
3D numerical modeling of the deformation and failure mechanisms of batter pile groups subjected to fault ruptures
Published 2025-01-01“…An advanced hypoplastic constitutive model for clay, which accounts for small-strain stiffness, and a concrete damage plasticity (CDP) model are employed to simulate the soil and the batter pile foundation, respectively. …”
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679
Evolution of Pore Characteristics for Bentonite Modified by an Ionic Soil Stabilizer during Hydration Processes
Published 2021-01-01“…An ionic soil stabilizer (ISS) is used to reinforce clay soils because the ISS can regulate the hydration processes and microstructures of clays. …”
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680
Casting Activity of Scherotheca gigas in No-Till Mediterranean Soils: Role in Organic Matter Incorporation and Influence of Aridity
Published 2010-01-01“…We observed a significant depletion of clay and higher concentration of total organic C and labile C in the form of particulate organic matter (POM) in the casts as compared to the surrounding soil, suggesting selective ingestion of soil by S. gigas. …”
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