Formulating a low-alkalinity, high-resistance and low-heat concrete for radioactive waste repositories
Investigations were carried out in order to formulate and characterize low-alkalinity and low-heat cements which would be compatible with an underground waste repository environment. Several systems comprising Ordinary Portland Cement (OPC), a fast-reacting pozzolan (silica fume (SF) or metakaolin (...
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| Veröffentlicht in: | Cement and concrete research 2006-12, Vol.36 (12), p.2152-2163 |
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| creator | Cau Dit Coumes, Céline Courtois, Simone Nectoux, Didier Leclercq, Stéphanie Bourbon, Xavier |
| description | Investigations were carried out in order to formulate and characterize low-alkalinity and low-heat cements which would be compatible with an underground waste repository environment. Several systems comprising Ordinary Portland Cement (OPC), a fast-reacting pozzolan (silica fume (SF) or metakaolin (MK)) and, in some cases, a slow-reacting product (fly ash (FA) or blastfurnace slag (BFS)) were compared. Promising results were obtained with some binary mixtures of OPC and SF, and with some ternary blends of OPC, SF and FA or BFS: pH of water in equilibrium with the fully hydrated cements dropped below 11. Dependence of the properties of standard mortars on the high contents of FA and SF in the low-pH blends was examined. Combining SF and FA seemed attractive since SF compensated for the low reactivity of FA, while FA allowed to reduce the water demand, and dimensional variations of the mortars. Finally, low-heat (Δ
T
<
20 °C under semi-adiabatic conditions) and high strength (≈
70–80 MPa) concretes were prepared from two low-pH cements: a binary blend made from 60% of OPC and 40% of SF, and a ternary blend including 37.5% OPC, 32.5% SF and 30% FA. |
| doi_str_mv | 10.1016/j.cemconres.2006.10.005 |
| format | Article |
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T
<
20 °C under semi-adiabatic conditions) and high strength (≈
70–80 MPa) concretes were prepared from two low-pH cements: a binary blend made from 60% of OPC and 40% of SF, and a ternary blend including 37.5% OPC, 32.5% SF and 30% FA.</description><identifier>ISSN: 0008-8846</identifier><identifier>EISSN: 1873-3948</identifier><identifier>DOI: 10.1016/j.cemconres.2006.10.005</identifier><identifier>CODEN: CCNRAI</identifier><language>eng</language><publisher>New York, NY: Elsevier Ltd</publisher><subject>ACID NEUTRALIZING CAPACITY ; Applied sciences ; BINARY MIXTURES ; Buildings. Public works ; Concrete ; CONCRETES ; Concretes. Mortars. Grouts ; Exact sciences and technology ; FLY ASH ; General (composition, classification, performance, standards, patents, etc.) ; Materials ; MATERIALS SCIENCE ; Mixture-proportioning ; MORTARS ; Nuclear Experiment ; Nuclear Theory ; Physics ; Pollution ; PORTLAND CEMENT ; Pozzolan ; PRESSURE RANGE MEGA PA 10-100 ; Radioactive waste ; RADIOACTIVE WASTE FACILITIES ; RADIOACTIVE WASTES ; SILICA ; UNDERGROUND FACILITIES ; Wastes ; WATER REQUIREMENTS</subject><ispartof>Cement and concrete research, 2006-12, Vol.36 (12), p.2152-2163</ispartof><rights>2006</rights><rights>2007 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c594t-69c05f3630f9685a6d830c6a04d4d8f069dd9fd3c0e439723e379330bdb0b1783</citedby><cites>FETCH-LOGICAL-c594t-69c05f3630f9685a6d830c6a04d4d8f069dd9fd3c0e439723e379330bdb0b1783</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0008884606002481$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3536,27902,27903,65308</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18346176$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://cea.hal.science/cea-02354116$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/20871550$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Cau Dit Coumes, Céline</creatorcontrib><creatorcontrib>Courtois, Simone</creatorcontrib><creatorcontrib>Nectoux, Didier</creatorcontrib><creatorcontrib>Leclercq, Stéphanie</creatorcontrib><creatorcontrib>Bourbon, Xavier</creatorcontrib><title>Formulating a low-alkalinity, high-resistance and low-heat concrete for radioactive waste repositories</title><title>Cement and concrete research</title><description>Investigations were carried out in order to formulate and characterize low-alkalinity and low-heat cements which would be compatible with an underground waste repository environment. Several systems comprising Ordinary Portland Cement (OPC), a fast-reacting pozzolan (silica fume (SF) or metakaolin (MK)) and, in some cases, a slow-reacting product (fly ash (FA) or blastfurnace slag (BFS)) were compared. Promising results were obtained with some binary mixtures of OPC and SF, and with some ternary blends of OPC, SF and FA or BFS: pH of water in equilibrium with the fully hydrated cements dropped below 11. Dependence of the properties of standard mortars on the high contents of FA and SF in the low-pH blends was examined. Combining SF and FA seemed attractive since SF compensated for the low reactivity of FA, while FA allowed to reduce the water demand, and dimensional variations of the mortars. Finally, low-heat (Δ
T
<
20 °C under semi-adiabatic conditions) and high strength (≈
70–80 MPa) concretes were prepared from two low-pH cements: a binary blend made from 60% of OPC and 40% of SF, and a ternary blend including 37.5% OPC, 32.5% SF and 30% FA.</description><subject>ACID NEUTRALIZING CAPACITY</subject><subject>Applied sciences</subject><subject>BINARY MIXTURES</subject><subject>Buildings. Public works</subject><subject>Concrete</subject><subject>CONCRETES</subject><subject>Concretes. Mortars. Grouts</subject><subject>Exact sciences and technology</subject><subject>FLY ASH</subject><subject>General (composition, classification, performance, standards, patents, etc.)</subject><subject>Materials</subject><subject>MATERIALS SCIENCE</subject><subject>Mixture-proportioning</subject><subject>MORTARS</subject><subject>Nuclear Experiment</subject><subject>Nuclear Theory</subject><subject>Physics</subject><subject>Pollution</subject><subject>PORTLAND CEMENT</subject><subject>Pozzolan</subject><subject>PRESSURE RANGE MEGA PA 10-100</subject><subject>Radioactive waste</subject><subject>RADIOACTIVE WASTE FACILITIES</subject><subject>RADIOACTIVE WASTES</subject><subject>SILICA</subject><subject>UNDERGROUND FACILITIES</subject><subject>Wastes</subject><subject>WATER REQUIREMENTS</subject><issn>0008-8846</issn><issn>1873-3948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkUFv1DAQhSMEEkvhNxAJgYREtuM4dpzjqqIt0kpc6NmatSeNl2y82N6t-u9xmqocOVkef_OeZ15RfGSwZsDk5X5t6GD8FCiuawCZq2sA8apYMdXyineNel2sAEBVSjXybfEuxn2-ypqrVdFf-3A4jZjcdF9iOfqHCsffOLrJpcdv5eDuhyoru5hwMlTiZJ-YgTCV2dQESlT2PpQBrfNokjtT-YAxVwMdfXTJB0fxffGmxzHSh-fzori7_v7r6rba_rz5cbXZVkZ0TapkZ0D0XHLoO6kESqs4GInQ2MaqHmRnbddbboAa3rU1J952nMPO7mDHWsUvik-Lro_J6WhcIjPkf05kkq5BtUwIyNTXhRpw1MfgDhgetUenbzdbbQg11Fw0jMkzy-yXhT0G_-dEMemDi4bGESfyp6jrTjQgBM9gu4Am-BgD9S_KDPSclN7rl6T0nNT8kJPKnZ-fLTAaHPuQV-3iv3bFG8lambnNwlHe4NlRmAekHIt1YZ7Pevdfr78V8q2P</recordid><startdate>20061201</startdate><enddate>20061201</enddate><creator>Cau Dit Coumes, Céline</creator><creator>Courtois, Simone</creator><creator>Nectoux, Didier</creator><creator>Leclercq, Stéphanie</creator><creator>Bourbon, Xavier</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>1XC</scope><scope>VOOES</scope><scope>OTOTI</scope></search><sort><creationdate>20061201</creationdate><title>Formulating a low-alkalinity, high-resistance and low-heat concrete for radioactive waste repositories</title><author>Cau Dit Coumes, Céline ; Courtois, Simone ; Nectoux, Didier ; Leclercq, Stéphanie ; Bourbon, Xavier</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c594t-69c05f3630f9685a6d830c6a04d4d8f069dd9fd3c0e439723e379330bdb0b1783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>ACID NEUTRALIZING CAPACITY</topic><topic>Applied sciences</topic><topic>BINARY MIXTURES</topic><topic>Buildings. Public works</topic><topic>Concrete</topic><topic>CONCRETES</topic><topic>Concretes. Mortars. Grouts</topic><topic>Exact sciences and technology</topic><topic>FLY ASH</topic><topic>General (composition, classification, performance, standards, patents, etc.)</topic><topic>Materials</topic><topic>MATERIALS SCIENCE</topic><topic>Mixture-proportioning</topic><topic>MORTARS</topic><topic>Nuclear Experiment</topic><topic>Nuclear Theory</topic><topic>Physics</topic><topic>Pollution</topic><topic>PORTLAND CEMENT</topic><topic>Pozzolan</topic><topic>PRESSURE RANGE MEGA PA 10-100</topic><topic>Radioactive waste</topic><topic>RADIOACTIVE WASTE FACILITIES</topic><topic>RADIOACTIVE WASTES</topic><topic>SILICA</topic><topic>UNDERGROUND FACILITIES</topic><topic>Wastes</topic><topic>WATER REQUIREMENTS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cau Dit Coumes, Céline</creatorcontrib><creatorcontrib>Courtois, Simone</creatorcontrib><creatorcontrib>Nectoux, Didier</creatorcontrib><creatorcontrib>Leclercq, Stéphanie</creatorcontrib><creatorcontrib>Bourbon, Xavier</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><collection>OSTI.GOV</collection><jtitle>Cement and concrete research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cau Dit Coumes, Céline</au><au>Courtois, Simone</au><au>Nectoux, Didier</au><au>Leclercq, Stéphanie</au><au>Bourbon, Xavier</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formulating a low-alkalinity, high-resistance and low-heat concrete for radioactive waste repositories</atitle><jtitle>Cement and concrete research</jtitle><date>2006-12-01</date><risdate>2006</risdate><volume>36</volume><issue>12</issue><spage>2152</spage><epage>2163</epage><pages>2152-2163</pages><issn>0008-8846</issn><eissn>1873-3948</eissn><coden>CCNRAI</coden><abstract>Investigations were carried out in order to formulate and characterize low-alkalinity and low-heat cements which would be compatible with an underground waste repository environment. Several systems comprising Ordinary Portland Cement (OPC), a fast-reacting pozzolan (silica fume (SF) or metakaolin (MK)) and, in some cases, a slow-reacting product (fly ash (FA) or blastfurnace slag (BFS)) were compared. Promising results were obtained with some binary mixtures of OPC and SF, and with some ternary blends of OPC, SF and FA or BFS: pH of water in equilibrium with the fully hydrated cements dropped below 11. Dependence of the properties of standard mortars on the high contents of FA and SF in the low-pH blends was examined. Combining SF and FA seemed attractive since SF compensated for the low reactivity of FA, while FA allowed to reduce the water demand, and dimensional variations of the mortars. Finally, low-heat (Δ
T
<
20 °C under semi-adiabatic conditions) and high strength (≈
70–80 MPa) concretes were prepared from two low-pH cements: a binary blend made from 60% of OPC and 40% of SF, and a ternary blend including 37.5% OPC, 32.5% SF and 30% FA.</abstract><cop>New York, NY</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.cemconres.2006.10.005</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Cement and concrete research, 2006-12, Vol.36 (12), p.2152-2163 |
| issn | 0008-8846 1873-3948 |
| language | eng |
| recordid | cdi_osti_scitechconnect_20871550 |
| source | Elsevier ScienceDirect Journals |
| subjects | ACID NEUTRALIZING CAPACITY Applied sciences BINARY MIXTURES Buildings. Public works Concrete CONCRETES Concretes. Mortars. Grouts Exact sciences and technology FLY ASH General (composition, classification, performance, standards, patents, etc.) Materials MATERIALS SCIENCE Mixture-proportioning MORTARS Nuclear Experiment Nuclear Theory Physics Pollution PORTLAND CEMENT Pozzolan PRESSURE RANGE MEGA PA 10-100 Radioactive waste RADIOACTIVE WASTE FACILITIES RADIOACTIVE WASTES SILICA UNDERGROUND FACILITIES Wastes WATER REQUIREMENTS |
| title | Formulating a low-alkalinity, high-resistance and low-heat concrete for radioactive waste repositories |
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