Autogenously Calcined Clays from Coal Tailings Dumps as Supplementary Cementitious Material: From Exploratory Investigations to an Industrial Trial.

Authors: Overmann, Steffen¹ (AUTHOR) overmann@ibac.rwth-aachen.de, Vollpracht, Anya¹ (AUTHOR)

Source: Materials (1996-1944). Mar2025, Vol. 18 Issue 5, p993. 29p.

Outdoor exposure of a heavy metal doped concrete –Measuring and modelling of substance release

Authors: Weiler, Lia ^{a, ⁎}, Vega Garcia, Pablo ^b, Vollpracht, Anya ^a

Source: In Journal of Environmental Management February 2025 374

Thermodynamic modeling and composite design for alkali-activated siliceous fly ash geopolymer

Authors: Ye, Wanli ^{a, b, ⁎}, Vollpracht, Anya ^b, Tan, Yiqiu ^{a, c, ⁎}

Source: In Construction and Building Materials 18 April 2025 472

Impact of clay reactivity on the hydration of calcined clay limestone cements

Authors: Overmann, Steffen ^{a, ⁎}, Eggimann, Manuel ^b, Vollpracht, Anya ^a, Matschei, Thomas ^a

Source: In Construction and Building Materials 25 October 2024 449

Implementation of bio-inspired organic/inorganic layer structures as interphase in carbon fiber reinforced concrete

Authors: Utech, Toni, Kruppa, Henning, Vollpracht, Anya, Scheffler, Christina

Source: In Materials & Design July 2024 243

Statistical assessment of the factors influencing fly ash reactivity

Authors: Overmann, Steffen, Weiler, Lia, Haufe, Johannes, Vollpracht, Anya, Matschei, Thomas

Source: In Construction and Building Materials 3 May 2024 426

Reactivity of Calcined Clays as SCM—A Review.

Authors: Overmann, Steffen¹ (AUTHOR) overmann@ibac.rwth-aachen.de, Vollpracht, Anya¹ (AUTHOR), Matschei, Thomas¹ (AUTHOR)

Source: Materials (1996-1944). Jan2024, Vol. 17 Issue 2, p312. 24p.

Subject Terms: *SUPPLY chain management, *CLAY, *LITERARY characters, *RF values (Chromatography), *RAW materials, *GRAIN size

Improving consistency at testing cementitious materials in the Dynamic Surface Leaching Test on the basis of the European technical specification CEN/TS 16637–2 – Results of a round robin test

Authors: Weiler, Lia, Pfingsten, Johannes, Eickhoff, Henrik, Geist, Ineke, Hilbig, Harald, Hornig, Ute, Kalbe, Ute, Krause, Katrin, Kautetzky, Dirk, Linnemann, Volker, Gschwendtner, Mariola, Lohmann, Dirk, Overeem-Bos, Everlien, Schwerd, Regina, Vollpracht, Anya

Source: In Journal of Environmental Management 15 July 2022 314

Systematic Mix Design Study on Geopolymers—Prediction of Compressive Strength.

Authors: Kruppa, Henning¹, kruppa@ibac.rwth-aachen.devollpracht@ibac.rwth-aachen.de, Vollpracht, Anya¹

Source: Buildings (2075-5309); Oct2023, Vol. 13 Issue 10, p2617, 19p

Investigations on the leaching behavior of fresh concrete – A review

Authors: Overmann, Steffen, Lin, Xiaochen, Vollpracht, Anya

Source: In Construction and Building Materials 22 February 2021 272

Report of RILEM TC 281-CCC: outcomes of a round robin on the resistance to natural carbonation of Portland, Portland-fly ash and blast-furnace cements and its relation to accelerated carbonation.

Authors: Vanoutrive, Hanne, Alderete, Natalia, De Belie, Nele, Etxeberria, Miren, Grengg, Cyrill, Ignjatović, Ivan, Ling, Tung-Chai, Liu, Zhiyuan, Garcia-Lodeiro, Inés, Medina Martínez, César, Sanchez, Javier, Palomo, Angel, Rebolledo, Nuria, Sakoparnig, Marlene, Sideris, Kosmas, Thiel, Charlotte, Van den Heede, Philip, Vollpracht, Anya, von Greve-Dierfeld, Stefanie, Wei, Jinxin

Source: Materials & Structures; Nov2024, Vol. 57 Issue 9, p1-22, 22p

Applicability of fib model code’s maturity function for estimating the strength development of GGBS concretes

Authors: Soutsos, Marios, Vollpracht, Anya, Kanavaris, Fragkoulis

Source: In Construction and Building Materials 20 December 2020 264

Leaching of monolithic geopolymer mortars

Authors: Sun, Zengqing, Vollpracht, Anya

Source: In Cement and Concrete Research October 2020 136

Optimization of a German short term percolation test to determine the leaching of granular materials

Authors: Lin, Xiaochen, Vollpracht, Anya, Markus, Philipp, Linnemann, Volker

Source: In Waste Management 15 March 2020 105:433-444

pH dependent leaching characterization of major and trace elements from fly ash and metakaolin geopolymers

Authors: Sun, Zengqing, Vollpracht, Anya, van der Sloot, Hans A.

Source: In Cement and Concrete Research November 2019 125

Tensile strength of concrete exposed to sulfate attack

Authors: Haufe, Johannes, Vollpracht, Anya

Source: In Cement and Concrete Research February 2019 116:81-88

One year geopolymerisation of sodium silicate activated fly ash and metakaolin geopolymers

Authors: Sun, Zengqing, Vollpracht, Anya

Source: In Cement and Concrete Composites January 2019 95:98-110

Study of alkali activated slag as alternative pavement binder

Authors: Sun, Zengqing, Lin, Xiaochen, Liu, Pengfei, Wang, Dawei, Vollpracht, Anya, Oeser, Markus

Source: In Construction and Building Materials 20 October 2018 186:626-634

Strength development of GGBS and fly ash concretes and applicability of fib model code’s maturity function – A critical review

Authors: Vollpracht, Anya, Soutsos, Marios, Kanavaris, Fragkoulis

Source: In Construction and Building Materials 20 February 2018 162:830-846

Isothermal calorimetry and in-situ XRD study of the NaOH activated fly ash, metakaolin and slag

Authors: Sun, Zengqing, Vollpracht, Anya

Source: In Cement and Concrete Research January 2018 103:110-122