@inproceedings{HuengerKositzHuengeretal., author = {H{\"u}nger, Klaus-J{\"u}rgen and Kositz, Mario and H{\"u}nger, Maximilian and Krey, Juliane and M{\"u}hlst{\"a}dt, Mike}, title = {Surface coating of siliceous parts of aggregate grains by alumina containing SCM' in alkaline solutions}, series = {ICAAR, 15th International Conference on Alkali Aggregate Reaction, July 03-07, 2016, Sao Paulo, Brazil, abstracts}, booktitle = {ICAAR, 15th International Conference on Alkali Aggregate Reaction, July 03-07, 2016, Sao Paulo, Brazil, abstracts}, publisher = {ICAAR}, pages = {S. 42}, abstract = {It is well known that SCMs containing alumina can prevent the damaging alkali silica reaction in concrete. This paper deals with the direct interactions between aggregate grain surfaces (quartzitic rock material Q1) and the dissolved amounts of SCMs (metakaolin, aluminum hydroxide). Investigations have confirmed that the presence of such SCMs can strongly decrease the silica release from aggregates in comparison to solubility experiments without SCM addition. The reason for this effect is the formation of a thin alumina containing layer (some nanometers thick) on the grain surfaces. The existence of this layer could be determined by XPS. Only this method provides data of the strongly increased alumina concentration in a thin surface area and also of the layer thickness in dependence on reaction parameters. Dissolution experiments of grains coated with such layer demonstrate the effectiveness of this process and can give a further contribution for understanding the preventing mechanisms of SCMs.}, language = {en} } @inproceedings{GroeschkeUhlmannHuengeretal., author = {Gr{\"o}schke, Andreas and Uhlmann, Wilfried and H{\"u}nger, Klaus-J{\"u}rgen and Wiehe, Wolfgang and Beckmann, T.}, title = {Spezielle Untersuchungen zur Mineralogie in unges{\"a}ttigten Kippenmassiven}, series = {Vortragsband des 4. GBL-Kolloquiums vom 26. - 28. November 1997 in Cottbus, Ergebnisse und Empfehlungen}, booktitle = {Vortragsband des 4. GBL-Kolloquiums vom 26. - 28. November 1997 in Cottbus, Ergebnisse und Empfehlungen}, publisher = {Schweizerbart}, address = {Stuttgart}, isbn = {3-510-95822-5}, pages = {57 -- 63}, language = {de} } @misc{HuengerHuebertScholz, author = {H{\"u}nger, Klaus-J{\"u}rgen and H{\"u}bert, Cornelia and Scholz, Yvonne}, title = {Drum pr{\"u}fe, was sich ewig bindet … - zur Vertr{\"a}glichkeit der Betonausgangsstoffe}, series = {BFT Betonwerk + Fertigteil-Technik}, volume = {75}, journal = {BFT Betonwerk + Fertigteil-Technik}, number = {3}, issn = {1865-6528}, pages = {46 -- 55}, language = {de} } @misc{BachmannHuenger, author = {Bachmann, Robert and H{\"u}nger, Klaus-J{\"u}rgen}, title = {BTU-SP-Schnelltest zur Beurteilung der Alkaliempfindlichkeit von Gesteinsk{\"o}rnungen : die Entwicklung eines direkten Pr{\"u}fverfahrens}, series = {Beton}, volume = {59}, journal = {Beton}, number = {4}, issn = {0005-9846}, pages = {138 -- 143}, language = {de} } @misc{Huenger, author = {H{\"u}nger, Klaus-J{\"u}rgen}, title = {Der BTU-SP-Test: Direktes Pr{\"u}fverfahren zur Bewertung der Alkali-Empfindlichkeit von Gesteinsk{\"o}rnungen}, series = {Straße und Autobahn}, volume = {61}, journal = {Straße und Autobahn}, number = {3}, issn = {0039-2162}, pages = {143 -- 147}, language = {de} } @misc{KrakowHuengerBrigzinsky, author = {Krakow, Lutz and H{\"u}nger, Klaus-J{\"u}rgen and Brigzinsky, Maria}, title = {Projekt ALEKOM - Aschegebundenes Ton-/Lehmfeinkornsystem}, series = {Ceramic forum international : cfi, Berichte der Deutschen Keramischen Gesellschaft}, volume = {87}, journal = {Ceramic forum international : cfi, Berichte der Deutschen Keramischen Gesellschaft}, isbn = {0173-9913}, pages = {D8 -- D10}, language = {de} } @misc{HuengerHill, author = {H{\"u}nger, Klaus-J{\"u}rgen and Hill, Steffen}, title = {Direct assessment of the alkali sensitivity of precambrian greywackes}, series = {Cement International}, volume = {3}, journal = {Cement International}, number = {1}, issn = {1610-6199}, pages = {104 -- 119}, language = {en} } @misc{HuengerHill, author = {H{\"u}nger, Klaus-J{\"u}rgen and Hill, Steffen}, title = {Chemischer Schnelltest zur praxiskonformen Pr{\"u}fung der Alkaliempfindlichkeit von Gesteinsk{\"o}rnungen f{\"u}r Beton}, series = {BFT Betonwerk + Fertigteil-Technik}, volume = {71}, journal = {BFT Betonwerk + Fertigteil-Technik}, number = {7}, issn = {0373-4331}, pages = {36 -- 47}, language = {de} } @misc{HillHuenger, author = {Hill, Steffen and H{\"u}nger, Klaus-J{\"u}rgen}, title = {Alkaliempfindlichkeit Lausitzer Grauwacken - neue Perspektiven hinsichtlich eines direkten Pr{\"u}fverfahrens}, series = {Forum der Forschung}, volume = {8}, journal = {Forum der Forschung}, number = {17}, issn = {0947-6989}, pages = {122 -- 127}, language = {de} } @phdthesis{Huenger, author = {H{\"u}nger, Klaus-J{\"u}rgen}, title = {Zum Reaktionsmechanismus pr{\"a}kambrischer Grauwacken aus der Lausitz bei ihrer Verwendung als Gesteinsk{\"o}rnung im Beton}, publisher = {Shaker-Verlag}, address = {Aachen}, isbn = {3-8322-4670-3}, pages = {IX, 235, A - I}, language = {de} }