Dr. rer. nat. Daniel Jansen

Geozentrum Nordbayern
Chair of Mineralogy (Prof. Dr. Göbbels)

Room HG 2.207
Schloßgarten 5 a
91054 Erlangen

Phone number: +49 9131 85-25844
Fax number: +49 9131 85-23734
Email: daniel.jansen@fau.de
Website: https://www.gzn.nat.fau.de/mineralogie/team/jansen/

Research Topics

Investigation of Ye´elemite hydration / Calcium sulfoaluminate cement hydration
Quantitative in-situ XRD analysis with G-factor
Micro XRD-analysis
Full mass balance approach for hydration reactions applying ¹H-TD-NMR
Thermodynamic calculations with full kinetic approach

Research Projects

Investigation of Aerated Autoclaved Concrete
Interdependency of OPC hydration and film formation from polymer dispersions
Ternary binder systems based on CSA, OPC and Anhydrite
Early hydration of Ye’elimite / Calcium sulfoaluminate cement

My Google Scholar Page

Publications

2021

Jansen D., Ectors D., Kong X., Schmidtke C., Deschner F., Pakusch J., Jahns E., Neubauer J.:
Synchronous Monitoring of Cement Hydration and Polymer Film Formation Using 1H-Time-Domain-NMR with T2Time-Weighted T1Time Evaluation: A Nondestructive Practicable Benchtop Method
In: ACS Omega (2021)
ISSN: 2470-1343
DOI: 10.1021/acsomega.0c06010
Linderoth O., Wadsö L., Jansen D.:
Long-term cement hydration studies with isothermal calorimetry
In: Cement and Concrete Research 141 (2021), Article No.: 106344
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2020.106344

2020

Jakob C., Jansen D., Pott U., Neubauer J.:
Comparing Phase Development and Rheological Properties of OPC Paste Within the First Hour of Hydration
In: Viktor Mechtcherine, Kamal Khayat, Egor Secrieru (ed.): Rheology and Processing of Construction Materials, Springer Netherlands, 2020, p. 219-227 (RILEM Bookseries, Vol.23)
DOI: 10.1007/978-3-030-22566-7_26
Jansen D., Wolf J., Fobbe N.:
The hydration of nearly pure ye'elimite with a sulfate carrier in a stoichiometric ettringite binder system. Implications for the hydration process based on in-situ XRD, 1H-TD-NMR, pore solution analysis, and thermodynamic modeling
In: Cement and Concrete Research 127 (2020), Article No.: 105923
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2019.105923
Lu Z., Kong X., Jansen D., Zhang C., Wang J., Pang X., Yin J.:
Towards a further understanding of cement hydration in the presence of triethanolamine
In: Cement and Concrete Research 132 (2020), Article No.: 106041
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2020.106041
Manninger T., Jansen D., Neubauer J., Götz-Neunhoeffer F.:
Phase solubility changes during hydration of monocalciumaluminate and calcite-the influence of alkali accumulation
In: Materials 13 (2020), Article No.: 1406
ISSN: 1996-1944
DOI: 10.3390/ma13061406
Pott U., Jakob C., Jansen D., Neubauer J., Stephan D.:
Investigation of the incompatibilities of cement and superplasticizers and their influence on the rheological behavior
In: Materials 13 (2020), Article No.: 977
ISSN: 1996-1944
DOI: 10.3390/ma13040977
Schreiner J., Götz-Neunhoeffer F., Neubauer J., Jansen D.:
Hydrothermal synthesis of 11 Å tobermorite – Effect of adding metakaolin to
the basic compound
In: Applied Clay Science 185 (2020), Article No.: 105432
ISSN: 0169-1317
DOI: 10.1016/j.clay.2019.105432
Wolf J., Jansen D., Götz-Neunhoeffer F., Neubauer J.:
Application of thermodynamic modeling to predict the stable hydrate phase assemblages in ternary CSA-OPC-anhydrite systems and quantitative verification by QXRD
In: Cement and Concrete Research 128 (2020), Article No.: 105956
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2019.105956
Wolf J., Jansen D., Götz-Neunhoeffer F., Neubauer J.:
Impact of varying Li2CO3 additions on the hydration of ternary CSA-OPC-anhydrite mixes
In: Cement and Concrete Research 131 (2020), Article No.: 106015
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2020.106015

2019

Jakob C., Jansen D., Ukrainczyk N., Koenders E., Pott U., Stephan D., Neubauer J.:
Relating ettringite formation and rheological changes during the initial cement hydration: A comparative study applying XRD analysis, rheological measurements and modeling
In: Materials 12 (2019), Article No.: 2957
ISSN: 1996-1944
DOI: 10.3390/ma12182957
Jansen D., Lu Z., Kong XM., Pakusch J., Jahns E., Deschner F., Schmidtke C.:
The influence of the glass transition temperature (T g) of polymers on early OPC hydration: a complete study of the heat flow, phase evolution, and pore solution chemistry
In: Materials and Structures 52 (2019), Article No.: 120
ISSN: 1359-5997
DOI: 10.1617/s11527-019-1435-9
Lu Z., Kong X., Zhang C., Jansen D., Neubauer J., Götz-Neunhoeffer F.:
Effects of two oppositely charged colloidal polymers on cement hydration
In: Cement & Concrete Composites 96 (2019), p. 66-76
ISSN: 0958-9465
DOI: 10.1016/j.cemconcomp.2018.11.014
Lu ZC., Haist M., Ivanov D., Jakob C., Jansen D., Leinitz S., Link J., Mechtcherine V., Neubauer J., Plank J., Schmidt W., Schilde C., Schröfl C., Sowoidnich T., Stephan D.:
Characterization data of reference cement CEM I 42.5 R used for priority program DFG SPP 2005 “Opus Fluidum Futurum – Rheology of reactive, multiscale, multiphase construction materials”
In: Data in Brief 27 (2019), Article No.: 104699
ISSN: 2352-3409
DOI: 10.1016/j.dib.2019.104699
Manninger T., Jansen D., Neubauer J., Götz-Neunhoeffer F.:
Accelerating effect of Li2CO3 on formation of monocarbonate and Al-hydroxide in a CA-cement and calcite mix during early hydration
In: Cement and Concrete Research 126 (2019), Article No.: 105897
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2019.105897
Manninger T., Jansen D., Neubauer J., Götz-Neunhoeffer F.:
The retarding effect of phosphoric acid during CAC hydration
In: Cement and Concrete Research 122 (2019), p. 83-92
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2019.04.020
Naber C., Stegmeyer S., Jansen D., Götz-Neunhoeffer F., Neubauer J.:
The PONKCS method applied for time resolved XRD quantification of supplementary cementitious material reactivity in hydrating mixtures with ordinary Portland cement
In: Construction and Building Materials 214 (2019), p. 449-457
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2019.04.157
Schreiner J., Götz-Neunhoeffer F., Neubauer J., Bergold S., Webler R., Volkmann S., Jansen D.:
Advanced Rietveld refinement and SEM analysis of tobermorite in
chemically diverse autoclaved aerated concrete
In: Powder Diffraction (2019)
ISSN: 0885-7156
DOI: 10.1017/S0885715619000149
Wolf J., Jansen D., Götz-Neunhoeffer F., Neubauer J.:
Mechanisms of early ettringite formation in ternary CSA-OPC-anhydrite systems
In: Advances in Cement Research 31 (2019), p. 195-204
ISSN: 0951-7197
DOI: 10.1680/jadcr.18.00115
Zhang C., Kong X., Lu Z., Jansen D., Pakusch J., Wang S.:
Pore structure of hardened cement paste containing colloidal polymers with varied glass transition temperature and surface charges
In: Cement & Concrete Composites 95 (2019), p. 154-168
ISSN: 0958-9465
DOI: 10.1016/j.cemconcomp.2018.11.001

2018

Jansen D., Naber C., Ectors D., Lu Z., Kong XM., Götz-Neunhoeffer F., Neubauer J.:
The early hydration of OPC investigated by in-situ XRD, heat flow calorimetry, pore water analysis and 1H NMR: Learning about adsorbed ions from a complete mass balance approach
In: Cement and Concrete Research 109 (2018), p. 230-242
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2018.04.017
Nehring J., Jansen D., Neubauer J., Götz-Neunhoeffer F.:
Hydration of C3S in presence of CA: Mineral-pore solution interaction
In: Journal of the American Ceramic Society 102 (2018), p. 3152-3162
ISSN: 0002-7820
DOI: 10.1111/jace.16197
Schreiner J., Jansen D., Ectors D., Götz-Neunhoeffer F., Neubauer J., Volkmann S.:
New analytical possibilities for monitoring the phase development during the production of autoclaved aerated concrete
In: Cement and Concrete Research (2018), p. 247-252
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2018.02.028

2017

Jansen D., Spies A., Neubauer J., Ectors D., Götz-Neunhoeffer F.:
Studies on the early hydration of two modifications of ye'elimite with gypsum
In: Cement and Concrete Research 91 (2017), p. 106-116
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2016.11.009

2016

Kong X., Pakusch J., Jansen D., Emmerling S., Neubauer J., Götz-Neunhoeffer F.:
Effect of polymer latexes with cleaned serum on the phase development of hydrating cement pastes
In: Cement and Concrete Research 84 (2016), p. 30-40
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2016.02.013

2013

Jansen D., Götz-Neunhoeffer F., Neubauer J., Härzschel R., Hergeth WD.:
Effect of polymers on cement hydration: A case study using substituted PDADMA
In: Cement & Concrete Composites (2013), p. 71-77
ISSN: 0958-9465
DOI: 10.1016/j.cemconcomp.2012.08.022

2012

Jansen D., Neubauer J., Götz-Neunhoeffer F., Härzschel R., Hergeth WD.:
Change in reaction kinetics of a Portland Cement caused by a superplasticizer Calculation of heat flow curves from XRD data
In: Cement and Concrete Research (2012), p. 327-332
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2011.10.005

2011

Jansen D., Bergold S., Götz-Neunhoeffer F., Neubauer J.:
The hydration of alite: a time-resolved quantitative X-ray diffraction approach using the G-factor method compared with heat release
In: Journal of Applied Crystallography (2011), p. 895-901
ISSN: 0021-8898
DOI: 10.1107/S0021889811025933
Jansen D., Götz-Neunhoeffer F., Lothenbach B., Neubauer J.:
The early hydration of Ordninary Portland Cement (OPC): An approach comparing measured heat flow with calculated heat flow from QXRD
In: Cement and Concrete Research 42 (2011), p. 134-138
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2011.09.001
Jansen D., Götz-Neunhoeffer F., Stabler C., Neubauer J.:
A remastered external standard method applied to the quantification of early OPC hydration
In: Cement and Concrete Research (2011), p. 602-608
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2011.03.004
Jansen D., Stabler C., Götz-Neunhoeffer F., Dittrich S., Neubauer J.:
Does Ordinary Portland Cement contain amorphous phase? A quantitative study using an external standard method
In: Powder Diffraction (2011), p. 31-38
ISSN: 0885-7156
DOI: 10.1154/1.3549186

2010

Jansen D., Götz-Neunhoeffer F., Neubauer J., Hergeth WD., Härzschel R.:
Influence of polyvinyl alcohol on phase development during the hydration of Portland cement
In: Zkg International (2010), p. 100-107
ISSN: 0949-0205

2009

Jansen D., Götz-Neunhoeffer F., Neubauer J., Hergeth WD., Härzschel R.:
Influence of Polyvinyl Alcohol (PVA) on quantitative phase development during early cement hydration
Internationale Baustofftagung ibausil (Weimar, 23. September 2009 - 26. September 2009)
In: 17. Internationale Baustofftagung - Tagungsbericht 2009
Jansen D., Götz-Neunhoeffer F., Neubauer J., Hergeth WD., Härzschel R.:
In-situ XRD investigation of the influence of PDADMAC on ettringite formation in cement systems
In: Zeitschrift für Kristallographie, Supplement Suppl. 30 (2009), p. 359-364
ISSN: 0930-486X
DOI: 10.1524/zksu.2009.0053