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Record W3156669627 · doi:10.22215/etd/2019-13737

Technical and Economic Development of Efficient Asphalt Multi-Integrated Compaction Technology

2019· dissertation· en· W3156669627 on OpenAlexafffund
Anandkumar Rajendran Chelliah

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldEngineering
TopicAsphalt Pavement Performance Evaluation
Canadian institutionsCarleton University
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsCompactionAsphaltEngineeringCivil engineeringAsphalt pavementGeotechnical engineeringBridge deckForensic engineeringDeckMaterials scienceStructural engineering

Abstract

fetched live from OpenAlex

The search to perform asphalt compaction process utilizing a single independent roller started over a century ago. Unfortunately, instead of correcting imperfections in the roller's design and operation, the world has performed field compaction of asphalt in three distinct stages with three different rollers. Despite the utilization of three rollers to compact new asphalt layers, premature failure of asphalt mat has been found in in carefully conducted independent audits of governmentappointed agencies.While most of the research work in the asphalt field pointed to the asphalt mix and environmental factors that cause early deterioration of newly constructed asphalt roads, a new roller termed Asphalt Multi Integrated Roller (AMIR) offers better compaction method which corrected the imperfections of the current compaction technologies. Though, the AMIR compaction technology was invented in the 1980s, it has not been widely utilized by the highway construction industry. Independent researchers have established that failure of asphalt mat is due to entry of air and water into the mat. Up to the present time, most road authorities around the world do not have a standard testing method or a minimum value for permeability in compacted asphalt mat to enhance acceptance criteria.This research examined the compacted asphalt mat pavement properties and performance of several field trials using three stage and single stage compaction methods. The trial mats compacted on binder, granular and concrete bridge deck bases. The impartial investigation was conducted over six years and recommends that the effective economical and sustainable way to improve long term performance of asphalt pavements is to replace the current three stage field compaction with the AMIR.

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.382
Threshold uncertainty score0.927

Codex and Gemma teacher scores by category

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)0.0000.000

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 head0.015
GPT teacher head0.272
Teacher spread0.257 · 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 teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
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

Citations2
Published2019
Admission routes2
Has abstractyes

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