Reference health
Analysis and study of different grouting materials in vertical geothermal closed-loop systems
23/23 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
20 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 23 checked references that resolve
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Thermal enhancement of PFA-based grout for geothermal heat exchangers
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Influence of debonding in ground heat exchangers used with geothermal heat pumps
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Characteristics of thermally-enhanced bentonite grouts for geothermal heat exchanger in South Korea
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Performance evaluation of closed-loop vertical ground heat exchangers by conducting in-situ thermal response tests
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Relationship between thermal conductivity and soil–water characteristic curve of pure bentonite-based grout
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Freeze damage of grouting materials for borehole heat exchanger: Experimental and analytical evaluations
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Enhancement of geothermal borehole heat exchangers performances by improvement of bentonite grouts conductivity
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Ground heat exchangers—A review of systems, models and applications
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Thermal-hydraulic experiments with bentonite/crushed rock mixtures and estimation of effective parameters by inverse modeling
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Experimental characterization and performance evaluation of geothermal grouting materials subjected to heating–cooling cycles
resolves10.1002/er.1898
Experimental performance of borehole heat exchangers and grouting materials for ground source heat pumps
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Error Analysis of the Heat Pulse Method for Measuring Soil Volumetric Heat Capacity
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Influence of graphite and quartz addition on the thermo–physical properties of bentonite for sealing heat-generating radioactive waste
resolves10.1080/10789669.1999.10391226
Thermal Conductivity of Cementitious Grouts and Impact On Heat Exchanger Length Design for Ground Source Heat Pumps
resolves10.1016/S0008-8846(00)00275-1
Materials characterization of superplasticized cement–sand grout
resolves10.1016/j.applthermaleng.2012.05.029
Study of different grouting materials used in vertical geothermal closed-loop heat exchangers
resolves10.1016/j.applthermaleng.2014.05.034
Efficiency of various grouting materials for borehole heat exchangers
resolves10.1016/S0008-8846(99)00206-9
Effect of sand addition on the specific heat and thermal conductivity of cement
The 20 references without a DOI — listed, not checked
no DOI — not checkedASTM D6910/D6910M-09, Standard Test Method for Marsh Funnel Viscosity of Clay Construction Slurries.
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no DOI — not checkedFYM, Heidelberg Cement Group. http://www.fym.es/ES.
no DOI — not checkedThermal conductivity of sand-bentonite mixtures as a backfill material of geothermal boreholes
no DOI — not checkedThermal enhancement of bentonite grouts for vertical ground source heat pump systems
no DOI — not checkedIssues involved with thermo-active geotechnical systems: characterization of thermo-mechanical soil behavior and soil-structure interface behaviour
no DOI — not checkedBorehole grouting: field studies and thermal performance testing
no DOI — not checkedPerformance characteristics and modelling of cementitious grouts for geothermal heat pumps
no DOI — not checked10.1016/j.renene.2017.08.011_bib27
no DOI — not checked10.1016/j.renene.2017.08.011_bib28
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no DOI — not checkedGround water protection issues with geothermal heat pumps, Geothermal Resource
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no DOI — not checkedOutcomes from the international workshop on thermoactive geotechnical systems for near-surface geothermal energy: from research to practice
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no DOI — not checkedUNE-EN-83313:1990. Ensayos de hormigón. Medida de la consistencia del hormigón fresco. Método del cono de Abrams, annulled by UNE-EN 12350-2:2006.
no DOI — not checkedUNE-EN-80310:96. Cementos de aluminato de calcio.
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