This (ReadMe) file was created on [2025-08-20] by Nina Gartner. ------------------- GENERAL INFORMATION ------------------- Name of the dataset: Dataset for the Research Article “Characterization of Steel Corrosion in Alkali-Activated Mortars Using Advanced Techniques” This dataset forms the basis of a research paper with the same title [1]. Author/leading researcher details Name and surname: Nina Gartner ORCID: 0000-0002-3770-6555 Institution: Slovenian National Building and Civil Engineering Institute (ZAG) Address: Dimičeva ulica 12, 1000 Ljubljana Email: nina.gartner@zag.si Author's contribution to the dataset: conceptualization, investigation, formal analysis, and writing the original draft of the manuscript [1] Information about the author(s) Name and surname: Miha Hren ORCID: 0000-0001-5826-0508 Institution: Slovenian National Building and Civil Engineering Institute (ZAG) Address: Dimičeva ulica 12, 1000 Ljubljana Email: miha.hren@zag.si Author's contribution to the dataset: investigation and formal analysis [1] Information about the author(s) Name and surname: Tadeja Kosec ORCID: 0000-0001-6790-1880 Institution: Slovenian National Building and Civil Engineering Institute (ZAG) Address: Dimičeva ulica 12, 1000 Ljubljana Email: tadeja.kosec@zag.si Author's contribution to the dataset: conceptualization, formal analysis, writing (through reviewing and editing) [1], and supervision Information about the author(s) Name and surname: Andraž Legat ORCID: 0000-0001-7775-1919 Institution: Slovenian National Building and Civil Engineering Institute (ZAG) Address: Dimičeva ulica 12, 1000 Ljubljana Email: andraz.legat@zag.si Author's contribution to the dataset: writing (through reviewing and editing) [1], supervising the study, and acquiring funding Information about the author(s) Name and surname: Mojca Mušič ORCID: - Institution: Slovenian National Building and Civil Engineering Institute (ZAG) Address: Dimičeva ulica 12, 1000 Ljubljana Email: mojca.music@zag.si Author's contribution to the dataset: professional photography of specimens Date of data collection: from 2020-12-10 to 2024-04-27 Geographical location of data collection: Ljubljana, Slovenia Information on the funders/programmes/projects that made the data collection possible: Slovenian Research and Innovation Agency (ARIS) through the research program P2-0273 "Building Structures and Materials". ----------------------------- SHARING/ACCESSING INFORMATION ----------------------------- Data licences/restrictions: CC BY References to publications that use the data: [1] ---------------------- VIEWING DATA AND FILES ---------------------- File list: - AAM01_data.zip --- Description: Series of .lvm (text) files that represent CMEA measurement on carbon steel in metakaolin based alkali-activated mortar over time - device offsets were calculated from the initial measuring period, drift offsets were also corrected so that the current sum is zero. Data is related to the CMEA sensor in MK2 mortar (supplementary), as referred to in paper [1]. - CMEA7_data.zip --- Description: Series of .lvm (text) files that represent CMEA measurement on carbon steel in slag based alkali-activated mortar over time - device offsets were calculated from the initial measuring period, drift offsets were also corrected so that the current sum is zero. Data is related to the CMEA sensor in S3a-661 mortar (supplementary), as referred to in paper [1]. - AAM03_data.zip --- Description: Series of .lvm (text) files that represent CMEA measurement on carbon steel in fly ash based alkali-activated mortar over time - device offsets were calculated from the initial measuring period, drift offsets were also corrected so that the current sum is zero. Data is related to the CMEA sensor in FA8 mortar (supplementary), as referred to in paper [1]. - AAM05.Rdata --- Description: Rdata file (CRAN open source project) that represent CMEA measurement on carbon steel in slag based alkali-activated mortar - device offsets were calculated from the initial measuring period, drift offsets were also corrected so that the current sum is zero. Data is related to the CMEA sensor in S3a-661 mortar, as referred to in paper [1]. - AAM06.Rdata --- Description: Rdata file (CRAN open source project) that represent CMEA measurement on carbon steel in metakaolin based alkali-activated mortar - device offsets were calculated from the initial measuring period, drift offsets were also corrected so that the current sum is zero. Data is related to the CMEA sensor in MK2 mortar, as referred to in paper [1]. - AAM07.Rdata --- Description: Rdata file (CRAN open source project) that represent CMEA measurement on carbon steel in fly ash based alkali-activated mortar - device offsets were calculated from the initial measuring period, drift offsets were also corrected so that the current sum is zero. Data is related to the CMEA sensor in FA8 mortar, as referred to in paper [1]. - FA8-5.csv --- Description: CSV file (text) that lists ER sensor measurements over time in fly ash alkali-activated mortar. Data is related to the ER sensor in FA8_2 specimen, as referred to in paper [1]. - FA8-6_data.zip --- Description: Series of .dtv (text) files that lists Um and Ux resistances of ER sensor over time in fly ash based alkali-activated mortar. Data is related to the ER sensor in FA8_1 specimen, as referred to in paper [1]. - MK2-3.csv --- Description: CSV file (text) that lists ER sensor measurements over time in metakaolin based alkali-activated mortar. Data is related to the ER sensor in MK2_2 specimen, as referred to in paper [1]. - MK2-4_data.zip --- Description: Series of .dtv (text) files that lists Um and Ux resistances of ER sensor over time in metakaolin based alkali-activated mortar. Data is related to the ER sensor in MK2_1 specimen, as referred to in paper [1]. - S3a-661-1.csv --- Description: CSV file (text) that lists ER sensor measurements over time in slag based alkali-activated mortar. Data is related to the ER sensor in S3a-661_2 specimen, as referred to in paper [1]. - S3a-661-2_data.zip --- Description: Series of .dtv (text) files that lists Um and Ux resistances of ER sensor over time in slag based alkali-activated mortar. Data is related to the ER sensor in S3a-661_1 specimen, as referred to in paper [1]. - AAM01_M_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for CMEA sensor after 37 weeks of exposure in metakaolin mortar. Data is related to the CMEA sensor in MK2 (supplementary), as referred to in paper [1]. - CMEA7_M_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for CMEA sensor after 26 weeks of exposure in slag mortar. Data is related to the CMEA sensor in S3a-661 (supplementary), as referred to in paper [1]. - AAM03_M_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for CMEA sensor after 22 weeks of exposurein fly ash mortar. Data is related to the CMEA sensor in FA8 (supplementary), as referred to in paper [1]. - AAM05_M_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for CMEA sensor after 30 weeks exposure in slag mortar. Data is related to the CMEA sensor in S3a-661, as referred to in paper [1]. - AAM06_M_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for CMEA sensor after 29 weeks exposure in metakaolin mortar. Data is related to the CMEA sensor in MK2, as referred to in paper [1]. - AAM07_M_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for CMEA sensor after 29 weeks exposure in fly ash mortar. Data is related to the CMEA sensor in FA8, as referred to in paper [1]. - FA8-5_M1_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 35 weeks exposure in fly ash based mortar - Left exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in FA8_2 specimen, as referred to in paper [1]. - FA8-5_M2_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 35 weeks exposure in fly ash based mortar - Right exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in FA8_2 specimen, as referred to in paper [1]. - FA8-6_M1_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 62 weeks exposure in fly ash based mortar - Left exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in FA8_1 specimen, as referred to in paper [1]. - FA8-6_M2_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 62 weeks exposure in fly ash based mortar - Right exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in FA8_1 specimen, as referred to in paper [1]. - MK2-3_M1_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 20 weeks exposure in metakaolin based mortar - Left exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in MK2_2 specimen, as referred to in paper [1]. - MK2-3_M2_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 20 weeks exposure in metakaolin based mortar - Right exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in MK2_2 specimen, as referred to in paper [1]. - MK2-4_M1_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 9 weeks exposure in metakaolin based mortar - Left exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in MK2_1 specimen, as referred to in paper [1]. - MK2-4_M2_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 9 weeks exposure in metakaolin based mortar - Right exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in MK2_1 specimen, as referred to in paper [1]. - S3a-661-1_M1_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 56 weeks exposure in slag based mortar - Left exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in S3a-661_2 specimen, as referred to in paper [1]. - S3a-661-1_M2_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 56 weeks exposure in slag based mortar - Right exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in S3a-661_2 specimen, as referred to in paper [1]. - S3a-661-2_M1_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 66 weeks exposure in slag based mortar - Left exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in S3a-661_1 specimen, as referred to in paper [1]. - S3a-661-2_M2_data.zip --- Description: BIN (binary) and .txt (text) file containing raw microCT reconstructed data and metadata for ER sensor after 66 weeks exposure in slag based mortar - Right exposed electrode of the Wheatstone bridge. Data is related to the ER sensor in S3a-661_1 specimen, as referred to in paper [1]. - FA8_1-RSB_fi6_045349d-40a --- Description: Image showing reinforcing steel bar (B 500B, Φ6) after 62 weeks exposure in fly ash based alkali-activated mortar (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 6 mm) in FA8_1 specimen, as referred to in paper [1]. - FA8_1-RSB_fi14_045349d-22a --- Description: Image showing reinforcing steel bar (B 500B, Φ14) after 62 weeks exposure in fly ash based alkali-activated mortar (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 14 mm) in FA8_1 specimen, as referred to in paper [1]. - FA8_2-RSB_fi6_045349d-39a --- Description: Image showing reinforcing steel bar (B 500B, Φ6) after 35 weeks exposure in fly ash based alkali-activated mortar (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 6 mm) in FA8_2 specimen, as referred to in paper [1]. - FA8_2-RSB_fi14_045349d-19a --- Description: Image showing reinforcing steel bar (B 500B, Φ14) after 35 weeks exposure in fly ash based alkali-activated mortars (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 14 mm) in FA8_2 specimen, as referred to in paper [1]. - MK2_1-RSB_fi6_045349d-35a --- Description: Image showing reinforcing steel bar (B 500B, Φ6) after 9 weeks exposure in metakaolin based alkali-activated mortar (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 6 mm) in MK2_1 specimen, as referred to in paper [1]. - MK2_1-RSB_fi14_045349d-13a --- Description: Image showing reinforcing steel bar (B 500B, Φ14) after 9 weeks exposure in metakaolin based alkali-activated mortars (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 14 mm) in MK2_1 specimen, as referred to in paper [1]. - MK2_2-RSB_fi6_045349d-31a --- Description: Image showing reinforcing steel bar (B 500B, Φ6) after 20 weeks exposure in metakaolin based alkali-activated mortar (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 6 mm) in MK2_2 specimen, as referred to in paper [1]. - MK2_2-RSB_fi14_045349d-09a --- Description: Image showing reinforcing steel bar (B 500B, Φ14) after 20 weeks exposure in metakaolin based alkali-activated mortars (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 14 mm) in MK2_2 specimen, as referred to in paper [1]. - S3a-661_1-RSB_fi6_045349d-28a --- Description: Image showing reinforcing steel bar (B 500B, Φ6) after 66 weeks exposure in slag based alkali-activated mortar (S3a-661) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 6 mm) in S3a-661_1 specimen, as referred to in paper [1]. - S3a-661_1-RSB_fi14_045349d-08a --- Description: Image showing reinforcing steel bar (B 500B, Φ14) after 66 weeks exposure in slag based alkali-activated mortar (S3a-661) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 14 mm) in S3a-661_1 specimen, as referred to in paper [1]. - S3a-661_2-RSB_fi6_045349d-25a --- Description: Image showing reinforcing steel bar (B 500B, Φ6) after 56 weeks exposure in slag based alkali-activated mortar (FA8) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 6 mm) in S3a-661_2 specimen, as referred to in paper [1]. - S3a-661_2-RSB_fi14_045349d-04a --- Description: Image showing reinforcing steel bar (B 500B, Φ14) after 56 weeks exposure in slag based alkali-activated mortar (S3a-661) and cleaned of corrosion products.. Data is related to the Steel rebar (B500B, cross-section 14 mm) in S3a-661_2 specimen, as referred to in paper [1]. More detailed inventory of the dataset is also available in attached MS Excel document "AAM_Inventory-of-dataset". -------------------------- METHODOLOGICAL INFORMATION -------------------------- Description of the methods used to collect/obtain the data, data processing methods, software information, standards and calibration data, and experimental conditions are available in the Experimental part of the paper [1]. ------------------------------------- DATA-SPECIFIC INFORMATION: ------------------------------------- More detailed inventory of the dataset is available in attached MS Excel document "AAM_Inventory-of-dataset". ------------------------------------- REFERENCES: ------------------------------------- [1] N. Gartner, M. Hren, T. Kosec, and A. Legat, ‘Characterization of steel corrosion in alkali-activated mortars using advanced techniques’, Case Studies in Construction Materials, vol. 23, p. e05165, Dec. 2025, doi: 10.1016/j.cscm.2025.e05165.