Digital rock physics and laboratory considerations on a high-porosity volcanic rock: micro-XRCT data sets

Version 1.0
Schepp, Laura L.; Ahrens, Benedikt; Balcewicz, Martin; Duda, Mandy; Nehler, Mathias; Osorno, Maria; Uribe, David; Steeb, Holger; Nigon, Benoit; Stöckhert, Ferdinand; Swanson, Donald A.; Siegert, Mirko; Gurris, Marcel; Saenger, Erik H.; Ruf, Matthias, 2020, "Digital rock physics and laboratory considerations on a high-porosity volcanic rock: micro-XRCT data sets", https://doi.org/10.18419/darus-680, DaRUS, V1
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Description
Reticulite (high-porosity volcanic rock) is a pyroclastic rock formed during intense Hawaiian fountaining events. The honeycombed network of bubbles is supported by glassy threads and forms a structure with a porosity of more than 80 %. It is an end-member for high-porosity materials with a high stiffness and brittleness. For this specific material, hydro-mechanical experiments are very difficult to perform. Therefore, digital rock physics plays an important role. Digital rock physics combines microtomographic imaging with advanced numerical simulations of effective material properties. It is used to complement laboratory investigations with the aim to gain a deeper understanding of relevant physical processes related to transport and effective mechanical properties.
Two micro-XRCT data sets of two dry cubic reticulite samples under ambient conditions scanned at two different resolutions are provided ("Reticulite-01_AxMF01.rar" and "Reticulite_03_AxMF01.rar"). Further, for each of this data sets a subvolume with 400 x 400 x 400 voxels was extracted and segmented (binarized) into skeleton and pore space which are also provided ("Segmented_subsamples.rar") and can directly be used for digital rock physics. A third cubic reticulite sample was saturated with distilled water in three steps (500 microliters, 250 microliters and 250 microliters) with help of a pipette which was not removed during the CT scans. After each injection a scan was performed. The data sets are named according to the complete injected fluid volumes (“Reticulite-AxHP_wet_500ul.rar”, “Reticulite-AxHP_wet_750ul.rar” and “Reticulite-AxHP_wet_1ml.rar”).
Subject Computer and Information Science; Earth and Environmental Sciences; Engineering
Keyword reticulite, high porous rock, cellular material
Related Publication Schepp, L.L., Ahrens, B., Balcewicz, M., Duda, M., Nehler, M., Osorno, M., Uribe, D., Steeb, S., Nigon, B., Stöckhert, F., Swanson, D.A., Siegert, M., Gurris, M. & Saenger, E.H. (2020). Digital rock physics and laboratory considerations on a high-porosity volcanic rock. Scientific Reports, 10, 5840.doi: 10.1038/s41598-020-62741-1
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1 to 6 of 6 Files
Reticulite-01_AxMF01.rar
RAR Archive - 6.4 GB
Published Mar 5, 2020
61 Downloads
MD5: b0e2a7f4f84a8c102ba9050b73ebb03e
micro-XRCT data set in *.rek and *.tif file format of a dry cubic reticulite sample with about 10 mm side length. 1520 x 1520 x 1480 voxels by a uniform voxel size of 16.01 µm.
Reticulite-AxHP_wet_1ml.rar
RAR Archive - 7.1 GB
Published Mar 5, 2020
39 Downloads
MD5: 2c40fe472f95f8b2310f11aeb4063e55
micro-XRCT data set in *.rek and *.tif file format of a cubic reticulite sample with about 12 mm side length saturated with 1 ml distilled water. 1520 x 1520 x 1554 voxels by a uniform voxel size of 12.85 µm.
Reticulite-AxHP_wet_500ul.rar
RAR Archive - 7.1 GB
Published Mar 5, 2020
35 Downloads
MD5: 3d2845a50daec7aa067f5b1056de106b
micro-XRCT data set in *.rek and *.tif file format of a cubic reticulite sample with about 12 mm side length saturated with 500 µl distilled water. 1520 x 1520 x 1554 voxels by a uniform voxel size of 12.85 µm.
Reticulite-AxHP_wet_750ul.rar
RAR Archive - 7.0 GB
Published Mar 5, 2020
32 Downloads
MD5: 78855cfc44d4ab07ef4fa49436c70823
micro-XRCT data set in *.rek and *.tif file format of a cubic reticulite sample with about 12 mm side length saturated with 750 µl distilled water. 1520 x 1520 x 1554 voxels by a uniform voxel size of 12.85 µm.
Reticulite_03_AxMF01.rar
RAR Archive - 6.7 GB
Published Mar 5, 2020
69 Downloads
MD5: 52d6c4590ed96ed3832f1d0abe8edde2
micro-XRCT data set in *.rek and *.tif file format of a dry cubic reticulite sample with about 5 mm side length. 1520 x 1520 x 1522 voxels by a uniform voxel size of 4.49 µm.
Segmented_subsamples.rar
RAR Archive - 2.5 MB
Published Mar 5, 2020
97 Downloads
MD5: f0e350647fa4fe27f8d37b0e9a0935ba
Binarized subsamples of 400 x 400 x 400 voxels of "Reticulite-01_AxMF01" and "Reticulite_03_AxMF01" data sets in *.raw file format. A MATLAB script "ReadCTDataToMATLAB_simple.m" to read the data is attached.
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