Filler Effect in Shotcrete
The effects of fine limestone powder on the early hydration of cementitious systems accelerated by means of alkali-free aluminum sulfate based products, commonly used for shotcrete applications, were investigated in the course of laboratory and real scale tests. In binary (CEM I + limestone) and ter...
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| Veröffentlicht in: | Materials 2019-10, Vol.12 (19), p.3221 |
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| creator | Galan, Isabel Briendl, Lukas Thumann, Maria Steindl, Florian Röck, Rudolf Kusterle, Wolfgang Mittermayr, Florian |
| description | The effects of fine limestone powder on the early hydration of cementitious systems accelerated by means of alkali-free aluminum sulfate based products, commonly used for shotcrete applications, were investigated in the course of laboratory and real scale tests. In binary (CEM I + limestone) and ternary (CEM I + limestone + slag) systems the addition of fine limestone led to an enhancement of the hydration degree and strength development at early times ( |
| doi_str_mv | 10.3390/ma12193221 |
| format | Article |
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In binary (CEM I + limestone) and ternary (CEM I + limestone + slag) systems the addition of fine limestone led to an enhancement of the hydration degree and strength development at early times (<24 h). The formation of ettringite, aluminate hydrates, and C–S–H is affected by the joint action of the setting accelerator and the fine limestone. Accelerator and limestone, in combination with the cement, can be optimized to enhance ettringite and silicate reaction, in some cases coupled with aluminate reaction inhibition, to produce mixes suitable for sprayed concrete applications. Such optimization can help to reduce the cement content in the mixes without compromising the early strength development of the shotcrete.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma12193221</identifier><identifier>PMID: 31581443</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Aluminum sulfate ; Cement ; Concrete mixing ; Ettringite ; Hydrates ; Hydration ; Limestone ; Optimization ; Silica ; Sprayed concrete ; Underground construction</subject><ispartof>Materials, 2019-10, Vol.12 (19), p.3221</ispartof><rights>2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2019 by the authors. 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c383t-85dfeed3f98c5e379b085d4fd14a4980b2e09e08822c5ad789bf01957ee587cd3</citedby><cites>FETCH-LOGICAL-c383t-85dfeed3f98c5e379b085d4fd14a4980b2e09e08822c5ad789bf01957ee587cd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6803996/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6803996/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids></links><search><creatorcontrib>Galan, Isabel</creatorcontrib><creatorcontrib>Briendl, Lukas</creatorcontrib><creatorcontrib>Thumann, Maria</creatorcontrib><creatorcontrib>Steindl, Florian</creatorcontrib><creatorcontrib>Röck, Rudolf</creatorcontrib><creatorcontrib>Kusterle, Wolfgang</creatorcontrib><creatorcontrib>Mittermayr, Florian</creatorcontrib><title>Filler Effect in Shotcrete</title><title>Materials</title><description>The effects of fine limestone powder on the early hydration of cementitious systems accelerated by means of alkali-free aluminum sulfate based products, commonly used for shotcrete applications, were investigated in the course of laboratory and real scale tests. In binary (CEM I + limestone) and ternary (CEM I + limestone + slag) systems the addition of fine limestone led to an enhancement of the hydration degree and strength development at early times (<24 h). The formation of ettringite, aluminate hydrates, and C–S–H is affected by the joint action of the setting accelerator and the fine limestone. Accelerator and limestone, in combination with the cement, can be optimized to enhance ettringite and silicate reaction, in some cases coupled with aluminate reaction inhibition, to produce mixes suitable for sprayed concrete applications. Such optimization can help to reduce the cement content in the mixes without compromising the early strength development of the shotcrete.</description><subject>Aluminum sulfate</subject><subject>Cement</subject><subject>Concrete mixing</subject><subject>Ettringite</subject><subject>Hydrates</subject><subject>Hydration</subject><subject>Limestone</subject><subject>Optimization</subject><subject>Silica</subject><subject>Sprayed concrete</subject><subject>Underground construction</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkM1LAzEQxYMottRePHpa8CLCapLJdpOLIKVVoeBBPYdsdmK37EdNdgX_eyMtfs1lhpkfj3mPkFNGrwAUvW4M40wB5-yAjJlSs5QpIQ5_zSMyDWFDYwEwydUxGQHLJBMCxuRsWdU1-mThHNo-qdrkad311mOPJ-TImTrgdN8n5GW5eJ7fp6vHu4f57Sq1IKFPZVY6xBKckjZDyFVB40q4kgkjlKQFR6qQSsm5zUyZS1U4ylSWI2YytyVMyM1OdzsUDZYW296bWm991Rj_oTtT6b-Xtlrr1-5dzySFaDIKXOwFfPc2YOh1UwWLdW1a7IagOVAmgMaIInr-D910g2-jPc0zIXNGGahIXe4o67sQPLrvZxjVX6nrn9ThE6PvcL0</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>Galan, Isabel</creator><creator>Briendl, Lukas</creator><creator>Thumann, Maria</creator><creator>Steindl, Florian</creator><creator>Röck, Rudolf</creator><creator>Kusterle, Wolfgang</creator><creator>Mittermayr, Florian</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20191001</creationdate><title>Filler Effect in Shotcrete</title><author>Galan, Isabel ; Briendl, Lukas ; Thumann, Maria ; Steindl, Florian ; Röck, Rudolf ; Kusterle, Wolfgang ; Mittermayr, Florian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-85dfeed3f98c5e379b085d4fd14a4980b2e09e08822c5ad789bf01957ee587cd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum sulfate</topic><topic>Cement</topic><topic>Concrete mixing</topic><topic>Ettringite</topic><topic>Hydrates</topic><topic>Hydration</topic><topic>Limestone</topic><topic>Optimization</topic><topic>Silica</topic><topic>Sprayed concrete</topic><topic>Underground construction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Galan, Isabel</creatorcontrib><creatorcontrib>Briendl, Lukas</creatorcontrib><creatorcontrib>Thumann, Maria</creatorcontrib><creatorcontrib>Steindl, Florian</creatorcontrib><creatorcontrib>Röck, Rudolf</creatorcontrib><creatorcontrib>Kusterle, Wolfgang</creatorcontrib><creatorcontrib>Mittermayr, Florian</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Galan, Isabel</au><au>Briendl, Lukas</au><au>Thumann, Maria</au><au>Steindl, Florian</au><au>Röck, Rudolf</au><au>Kusterle, Wolfgang</au><au>Mittermayr, Florian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Filler Effect in Shotcrete</atitle><jtitle>Materials</jtitle><date>2019-10-01</date><risdate>2019</risdate><volume>12</volume><issue>19</issue><spage>3221</spage><pages>3221-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>The effects of fine limestone powder on the early hydration of cementitious systems accelerated by means of alkali-free aluminum sulfate based products, commonly used for shotcrete applications, were investigated in the course of laboratory and real scale tests. In binary (CEM I + limestone) and ternary (CEM I + limestone + slag) systems the addition of fine limestone led to an enhancement of the hydration degree and strength development at early times (<24 h). The formation of ettringite, aluminate hydrates, and C–S–H is affected by the joint action of the setting accelerator and the fine limestone. Accelerator and limestone, in combination with the cement, can be optimized to enhance ettringite and silicate reaction, in some cases coupled with aluminate reaction inhibition, to produce mixes suitable for sprayed concrete applications. Such optimization can help to reduce the cement content in the mixes without compromising the early strength development of the shotcrete.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>31581443</pmid><doi>10.3390/ma12193221</doi><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Aluminum sulfate Cement Concrete mixing Ettringite Hydrates Hydration Limestone Optimization Silica Sprayed concrete Underground construction |
| title | Filler Effect in Shotcrete |
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