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Record W2339941132 · doi:10.30635/2415-0142.2016.02.2

Impact of Successive Wetting and Drying Cycles on Some Physical Properties of Gypsifereous Soils

2018· article· en· W2339941132 on OpenAlexvenueno aff
A.W. Al-Kayssi

Bibliographic record

VenueJournal of Agriculture Food and Development · 2018
Typearticle
Languageen
FieldEngineering
TopicSoil and Unsaturated Flow
Canadian institutionsnot available
Fundersnot available
KeywordsWettingSoil waterWater contentShrinkageGypsumSaturation (graph theory)Bulk densityPenetration (warfare)Atterberg limitsMaterials scienceChemistryGeotechnical engineeringSoil scienceComposite materialEnvironmental scienceMathematicsGeology

Abstract

fetched live from OpenAlex

A laboratory experiment was carried out to quantify the impact of three wetting-drying cycles onphysical and mechanical properties of gypsifereous soils such as bulk density, penetration resistance, drying index, shrinkage limit and pore geometry changes.The soil gypsum content treatments were 60.0 (G 1 ), 137.6 (G 2 ), 275.2 (G 3 ), 314.2 (G 4 ), 486.0 (G 5 ), 688.3 (G 6 ) and 860.0 (G 7 ) g.kg -1 . Soil samples were equilibrated to a matric potential -4.9, -9.8, -34 and -1500 kPa after saturation for each wetting-drying cycle. Peak cone index values showed that besides water content and bulk density, penetration resistance was positively affected by gypsum content. Drying index values at 1200 kPa matric potential were increased from 79.96% to 96.50% for the soils with gypsum content G 1 to G 7 .

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.004

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.011
GPT teacher head0.212
Teacher spread0.201 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations5
Published2018
Admission routes1
Has abstractyes

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