Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Marlene Sakoparnig"'
Publikováno v:
Materials, Vol 14, Iss 17, p 4958 (2021)
In times of climate change, the reduction in embodied greenhouse gas emissions is a premise for sustainable concrete infrastructure. As Portland cement clinker is mainly responsible for the high CO2 emissions of concrete, its reduction is necessary.
Externí odkaz:
https://doaj.org/article/39312041353b4307841f58146427ccd5
Wide-range optical pH imaging of cementitious materials exposed to chemically corrosive environments
Autor:
Bernhard Müller, Cyrill Grengg, Viktor Schallert, Marlene Sakoparnig, Christoph Staudinger, Johanna Breininger, Florian Mittermayr, Birgit Ungerböck, Sergey M Borisov, Martin Dietzel, Torsten Mayr
Publikováno v:
RILEM Technical Letters, Vol 3 (2018)
The pH of concrete-based material is a key parameter for the assessment of its stability and durability, since a change in pH is usually associated with major types of chemical degradation such as carbonation, leaching and acid attacks. Conventional
Externí odkaz:
https://doaj.org/article/cb817c62dfc549c998381bed72f316e9
Autor:
Florian R. Steindl, Florian Mittermayr, Marlene Sakoparnig, Joachim Juhart, Lukas Briendl, Benedikt Lindlar, Neven Ukrainczyk, Martin Dietzel, Wolfgang Kusterle, Isabel Galan
Publikováno v:
Construction and Building Materials. 368:130461
Autor:
Hanne Vanoutrive, Philip Van den Heede, Natalia Alderete, Carmen Andrade, Tushar Bansal, Aires Camões, Özlem Cizer, Nele De Belie, Vilma Ducman, Miren Etxeberria, Lander Frederickx, Cyrill Grengg, Ivan Ignjatović, Tung-Chai Ling, Zhiyuan Liu, Inés Garcia-Lodeiro, Barbara Lothenbach, César Medina Martinez, Javier Sanchez-Montero, Kolawole Olonade, Angel Palomo, Quoc Tri Phung, Nuria Rebolledo, Marlene Sakoparnig, Kosmas Sideris, Charlotte Thiel, Talakokula Visalakshi, Anya Vollpracht, Stefanie von Greve-Dierfeld, Jinxin Wei, Bei Wu, Maciej Zając, Zengfeng Zhao, Elke Gruyaert
Publikováno v:
Materials and Structures, 55(3)
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
The final publication is available at Springer via http://dx.doi.org/10.1617/s11527-022-01927-7 Many (inter)national standards exist to evaluate the resistance of mortar and concrete to carbonation. When a carbonation coefficient is used for performa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80d897ee56d08c78179302e77dfa150d
https://lirias.kuleuven.be/handle/20.500.12942/694340
https://lirias.kuleuven.be/handle/20.500.12942/694340
Autor:
Lukas G. Briendl, Florian Mittermayr, Rudolf Röck, Florian R. Steindl, Marlene Sakoparnig, Joachim Juhart, Fatemeh Iranshahi, Isabel Galan
Publikováno v:
Materials and Structures. 55
Abstract The (early) hydration mechanisms of two different binder systems used for shotcrete were investigated: the so far almost unexplored low sulfate binder (spray binder), used in the field of dry-mix shotcrete; and ordinary Portland cement, acce
Publikováno v:
Materials
Volume 14
Issue 17
Materials, Vol 14, Iss 4958, p 4958 (2021)
Volume 14
Issue 17
Materials, Vol 14, Iss 4958, p 4958 (2021)
In times of climate change, the reduction in embodied greenhouse gas emissions is a premise for sustainable concrete infrastructure. As Portland cement clinker is mainly responsible for the high CO2 emissions of concrete, its reduction is necessary.
Autor:
Marlene Sakoparnig, Andre Baldermann, Lukas Briendl, Florian Roman Steindl, Martin Dietzel, Florian Mittermayr, Isabel Galan
Publikováno v:
Construction and Building Materials. 223:55-68
The chemical resistance of eco-concrete with high levels (35–65 wt-%) of limestone substitution against Ca-leaching behaviour and sulphate attack was investigated by immersing powdered material in a 10 g L−1 Na2SO4 solution. Time-resolved hydroch
Autor:
Andre Baldermann, Cyrill Grengg, Moien Rezvani, Florian Emmerich, Tilo Proske, Florian Roman Steindl, Claudia Baldermann, Florian Mittermayr, Marlene Sakoparnig, Isabel Galan
Publikováno v:
Construction and Building Materials. 188:1065-1076
Sulfate attack was investigated on blended ordinary Portland cement (OPC) based mortars with limestone replacements up to 65 wt-% in 30 g·L−1 Na2SO4 solutions at 20 °C and 8 °C for 200 days. Although CEM I 52.5R with ∼12 wt-% C3A was used, som
Autor:
Cyrill Grengg, Andreas Saxer, Lukas Briendl, Marlene Sakoparnig, Joachim Juhart, Florian Roman Steindl, Wolfgang Kusterle, Maria Thumann, Florian Mittermayr, Isabel Galan
Publikováno v:
Materials and Structures. 54
The reduction of clinker use is mandatory to lower the negative environmental impact of concrete. In shotcrete mixes, similarly to the case of conventional concrete, the use of supplementary cementitious materials (SCMs) and proper mix design allow f
Autor:
Joachim Juhart, Rudolf Röck, Maria Thumann, Wolfgang Kusterle, Martin Dietzel, Florian Mittermayr, Florian Roman Steindl, Lukas Briendl, Andre Baldermann, Isabel Galan, Marlene Sakoparnig
Publikováno v:
Cement and Concrete Research. 137:106180
Shotcrete is a material frequently used in underground constructions such as tunnels, where Ca leaching and sulfate attack are important durability issues. In this study, two test methods were employed to investigate the sulfate resistance and leachi