Stability of cenospheres in lightweight cement composites in terms of alkali–silica reaction
This paper presents an experimental study on characteristics and stability of cenospheres used in lightweight cement composites. ASTM C227 and C1260 tests were used to evaluate if cenospheres are potentially deleterious due to alkali–silica reaction (ASR). Natural sand was used as control. Examinati...
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| Veröffentlicht in: | Cement and concrete research 2012-05, Vol.42 (5), p.721-727 |
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| creator | Wang, Jun-Yan Zhang, Min-Hong Li, Wei Chia, Kok-Seng Liew, Richard J.Y. |
| description | This paper presents an experimental study on characteristics and stability of cenospheres used in lightweight cement composites. ASTM C227 and C1260 tests were used to evaluate if cenospheres are potentially deleterious due to alkali–silica reaction (ASR). Natural sand was used as control. Examination by scanning electron microscope with energy-dispersive X-ray spectroscopy and analyses by X-ray diffractometer and thermogravimetry were conducted on samples with cenospheres after 9-month C227 and C1260 tests to better understand the behavior of cenospheres exposed to high alkaline environments and higher temperatures in these tests. Results indicate that cenospheres are not potentially deleterious due to ASR. Expansion of the mortar specimens tested to ASTM C227 and C1260 seems to be affected by the pozzolanic reactivity of cenospheres. Fine cenospheres showed limited pozzolanic reactivity at 28–30°C and 38°C, but exhibited significant pozzolanic reactivity at 80°C with aluminum tobermorite [Ca5Si5Al(OH)O17∙5H2O] identified as the main reaction product. |
| doi_str_mv | 10.1016/j.cemconres.2012.02.010 |
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ASTM C227 and C1260 tests were used to evaluate if cenospheres are potentially deleterious due to alkali–silica reaction (ASR). Natural sand was used as control. Examination by scanning electron microscope with energy-dispersive X-ray spectroscopy and analyses by X-ray diffractometer and thermogravimetry were conducted on samples with cenospheres after 9-month C227 and C1260 tests to better understand the behavior of cenospheres exposed to high alkaline environments and higher temperatures in these tests. Results indicate that cenospheres are not potentially deleterious due to ASR. Expansion of the mortar specimens tested to ASTM C227 and C1260 seems to be affected by the pozzolanic reactivity of cenospheres. Fine cenospheres showed limited pozzolanic reactivity at 28–30°C and 38°C, but exhibited significant pozzolanic reactivity at 80°C with aluminum tobermorite [Ca5Si5Al(OH)O17∙5H2O] identified as the main reaction product.</description><identifier>ISSN: 0008-8846</identifier><identifier>EISSN: 1873-3948</identifier><identifier>DOI: 10.1016/j.cemconres.2012.02.010</identifier><identifier>CODEN: CCNRAI</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Alkali-silica reactions ; Alkali–silica reaction (C) ; ALUMINIUM COMPOUNDS ; Aluminum tobermorite (D) ; Applied sciences ; BUILDING MATERIALS ; Buildings. Public works ; Cement composites (E) ; CEMENTS ; Cenosphere (D) ; Cenospheres ; CHEMICAL ANALYSIS ; Concretes. Mortars. Grouts ; DIFFRACTOMETERS ; ELECTRON MICROSCOPY ; Exact sciences and technology ; EXPANSION ; General (composition, classification, performance, standards, patents, etc.) ; GRAVIMETRIC ANALYSIS ; MATERIALS ; MATERIALS SCIENCE ; MEASURING INSTRUMENTS ; MICROSCOPY ; MINERALS ; MORTARS ; OXIDE MINERALS ; Pozzolanic reaction (C) ; QUANTITATIVE CHEMICAL ANALYSIS ; REACTIVITY ; SAND ; SCANNING ELECTRON MICROSCOPY ; SILICA ; SPECTROSCOPY ; STABILITY ; THERMAL ANALYSIS ; THERMAL GRAVIMETRIC ANALYSIS ; Weight reduction ; X-RAY DIFFRACTOMETERS ; X-RAY SPECTROSCOPY ; X-rays</subject><ispartof>Cement and concrete research, 2012-05, Vol.42 (5), p.721-727</ispartof><rights>2012 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-ad54014cce00e86f7680e9cca18ce99ff35ec0670105fd9a6131a87419914e013</citedby><cites>FETCH-LOGICAL-c406t-ad54014cce00e86f7680e9cca18ce99ff35ec0670105fd9a6131a87419914e013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0008884612000385$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25767562$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/21596967$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Jun-Yan</creatorcontrib><creatorcontrib>Zhang, Min-Hong</creatorcontrib><creatorcontrib>Li, Wei</creatorcontrib><creatorcontrib>Chia, Kok-Seng</creatorcontrib><creatorcontrib>Liew, Richard J.Y.</creatorcontrib><title>Stability of cenospheres in lightweight cement composites in terms of alkali–silica reaction</title><title>Cement and concrete research</title><description>This paper presents an experimental study on characteristics and stability of cenospheres used in lightweight cement composites. ASTM C227 and C1260 tests were used to evaluate if cenospheres are potentially deleterious due to alkali–silica reaction (ASR). Natural sand was used as control. Examination by scanning electron microscope with energy-dispersive X-ray spectroscopy and analyses by X-ray diffractometer and thermogravimetry were conducted on samples with cenospheres after 9-month C227 and C1260 tests to better understand the behavior of cenospheres exposed to high alkaline environments and higher temperatures in these tests. Results indicate that cenospheres are not potentially deleterious due to ASR. Expansion of the mortar specimens tested to ASTM C227 and C1260 seems to be affected by the pozzolanic reactivity of cenospheres. Fine cenospheres showed limited pozzolanic reactivity at 28–30°C and 38°C, but exhibited significant pozzolanic reactivity at 80°C with aluminum tobermorite [Ca5Si5Al(OH)O17∙5H2O] identified as the main reaction product.</description><subject>Alkali-silica reactions</subject><subject>Alkali–silica reaction (C)</subject><subject>ALUMINIUM COMPOUNDS</subject><subject>Aluminum tobermorite (D)</subject><subject>Applied sciences</subject><subject>BUILDING MATERIALS</subject><subject>Buildings. Public works</subject><subject>Cement composites (E)</subject><subject>CEMENTS</subject><subject>Cenosphere (D)</subject><subject>Cenospheres</subject><subject>CHEMICAL ANALYSIS</subject><subject>Concretes. Mortars. Grouts</subject><subject>DIFFRACTOMETERS</subject><subject>ELECTRON MICROSCOPY</subject><subject>Exact sciences and technology</subject><subject>EXPANSION</subject><subject>General (composition, classification, performance, standards, patents, etc.)</subject><subject>GRAVIMETRIC ANALYSIS</subject><subject>MATERIALS</subject><subject>MATERIALS SCIENCE</subject><subject>MEASURING INSTRUMENTS</subject><subject>MICROSCOPY</subject><subject>MINERALS</subject><subject>MORTARS</subject><subject>OXIDE MINERALS</subject><subject>Pozzolanic reaction (C)</subject><subject>QUANTITATIVE CHEMICAL ANALYSIS</subject><subject>REACTIVITY</subject><subject>SAND</subject><subject>SCANNING ELECTRON MICROSCOPY</subject><subject>SILICA</subject><subject>SPECTROSCOPY</subject><subject>STABILITY</subject><subject>THERMAL ANALYSIS</subject><subject>THERMAL GRAVIMETRIC ANALYSIS</subject><subject>Weight reduction</subject><subject>X-RAY DIFFRACTOMETERS</subject><subject>X-RAY SPECTROSCOPY</subject><subject>X-rays</subject><issn>0008-8846</issn><issn>1873-3948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkM2KFDEQgIO44DjrM9gggpceK_2TTo7L4qqw4MHdqyHWVDsZu5MxlVX25jv4hj6JaXrZq1CkCPnqJ58QLyXsJEj19rhDmjGGRLxrQDY7KCHhidhIPbR1azr9VGwAQNdad-qZeM58LFfVtHojvnzO7quffL6v4lghhcinA5VelQ_V5L8d8i9azvI0UygpzqfIPq9ApjTzUuim727yf3__4dILXZXIYfYxnIuz0U1MLx7yVtxevbu5_FBff3r_8fLiusYOVK7dvu9AdogEQFqNg9JABtFJjWTMOLY9Iaih_Ksf98Yp2Uqnh04aIzsC2W7Fq7Vv5OwtY1kQD0VKIMy2kb1RRg2FerNSpxR_3BFnO3tGmiYXKN6xldA0Wi_GCjqsKKbInGi0p-Rnl-4LZBfv9mgfvdvFu4USEkrl64chjtFNY3IBPT-WN_2ghr7I34qLlaPi5aentKxNAWnv07L1Pvr_zvoH_mGeiQ</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Wang, Jun-Yan</creator><creator>Zhang, Min-Hong</creator><creator>Li, Wei</creator><creator>Chia, Kok-Seng</creator><creator>Liew, Richard J.Y.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>OTOTI</scope></search><sort><creationdate>20120501</creationdate><title>Stability of cenospheres in lightweight cement composites in terms of alkali–silica reaction</title><author>Wang, Jun-Yan ; Zhang, Min-Hong ; Li, Wei ; Chia, Kok-Seng ; Liew, Richard J.Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c406t-ad54014cce00e86f7680e9cca18ce99ff35ec0670105fd9a6131a87419914e013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Alkali-silica reactions</topic><topic>Alkali–silica reaction (C)</topic><topic>ALUMINIUM COMPOUNDS</topic><topic>Aluminum tobermorite (D)</topic><topic>Applied sciences</topic><topic>BUILDING MATERIALS</topic><topic>Buildings. Public works</topic><topic>Cement composites (E)</topic><topic>CEMENTS</topic><topic>Cenosphere (D)</topic><topic>Cenospheres</topic><topic>CHEMICAL ANALYSIS</topic><topic>Concretes. Mortars. Grouts</topic><topic>DIFFRACTOMETERS</topic><topic>ELECTRON MICROSCOPY</topic><topic>Exact sciences and technology</topic><topic>EXPANSION</topic><topic>General (composition, classification, performance, standards, patents, etc.)</topic><topic>GRAVIMETRIC ANALYSIS</topic><topic>MATERIALS</topic><topic>MATERIALS SCIENCE</topic><topic>MEASURING INSTRUMENTS</topic><topic>MICROSCOPY</topic><topic>MINERALS</topic><topic>MORTARS</topic><topic>OXIDE MINERALS</topic><topic>Pozzolanic reaction (C)</topic><topic>QUANTITATIVE CHEMICAL ANALYSIS</topic><topic>REACTIVITY</topic><topic>SAND</topic><topic>SCANNING ELECTRON MICROSCOPY</topic><topic>SILICA</topic><topic>SPECTROSCOPY</topic><topic>STABILITY</topic><topic>THERMAL ANALYSIS</topic><topic>THERMAL GRAVIMETRIC ANALYSIS</topic><topic>Weight reduction</topic><topic>X-RAY DIFFRACTOMETERS</topic><topic>X-RAY SPECTROSCOPY</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Jun-Yan</creatorcontrib><creatorcontrib>Zhang, Min-Hong</creatorcontrib><creatorcontrib>Li, Wei</creatorcontrib><creatorcontrib>Chia, Kok-Seng</creatorcontrib><creatorcontrib>Liew, Richard J.Y.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</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>OSTI.GOV</collection><jtitle>Cement and concrete research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Jun-Yan</au><au>Zhang, Min-Hong</au><au>Li, Wei</au><au>Chia, Kok-Seng</au><au>Liew, Richard J.Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stability of cenospheres in lightweight cement composites in terms of alkali–silica reaction</atitle><jtitle>Cement and concrete research</jtitle><date>2012-05-01</date><risdate>2012</risdate><volume>42</volume><issue>5</issue><spage>721</spage><epage>727</epage><pages>721-727</pages><issn>0008-8846</issn><eissn>1873-3948</eissn><coden>CCNRAI</coden><abstract>This paper presents an experimental study on characteristics and stability of cenospheres used in lightweight cement composites. ASTM C227 and C1260 tests were used to evaluate if cenospheres are potentially deleterious due to alkali–silica reaction (ASR). Natural sand was used as control. Examination by scanning electron microscope with energy-dispersive X-ray spectroscopy and analyses by X-ray diffractometer and thermogravimetry were conducted on samples with cenospheres after 9-month C227 and C1260 tests to better understand the behavior of cenospheres exposed to high alkaline environments and higher temperatures in these tests. Results indicate that cenospheres are not potentially deleterious due to ASR. Expansion of the mortar specimens tested to ASTM C227 and C1260 seems to be affected by the pozzolanic reactivity of cenospheres. Fine cenospheres showed limited pozzolanic reactivity at 28–30°C and 38°C, but exhibited significant pozzolanic reactivity at 80°C with aluminum tobermorite [Ca5Si5Al(OH)O17∙5H2O] identified as the main reaction product.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.cemconres.2012.02.010</doi><tpages>7</tpages></addata></record> |
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| ispartof | Cement and concrete research, 2012-05, Vol.42 (5), p.721-727 |
| issn | 0008-8846 1873-3948 |
| language | eng |
| recordid | cdi_osti_scitechconnect_21596967 |
| source | Elsevier ScienceDirect Journals |
| subjects | Alkali-silica reactions Alkali–silica reaction (C) ALUMINIUM COMPOUNDS Aluminum tobermorite (D) Applied sciences BUILDING MATERIALS Buildings. Public works Cement composites (E) CEMENTS Cenosphere (D) Cenospheres CHEMICAL ANALYSIS Concretes. Mortars. Grouts DIFFRACTOMETERS ELECTRON MICROSCOPY Exact sciences and technology EXPANSION General (composition, classification, performance, standards, patents, etc.) GRAVIMETRIC ANALYSIS MATERIALS MATERIALS SCIENCE MEASURING INSTRUMENTS MICROSCOPY MINERALS MORTARS OXIDE MINERALS Pozzolanic reaction (C) QUANTITATIVE CHEMICAL ANALYSIS REACTIVITY SAND SCANNING ELECTRON MICROSCOPY SILICA SPECTROSCOPY STABILITY THERMAL ANALYSIS THERMAL GRAVIMETRIC ANALYSIS Weight reduction X-RAY DIFFRACTOMETERS X-RAY SPECTROSCOPY X-rays |
| title | Stability of cenospheres in lightweight cement composites in terms of alkali–silica reaction |
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