Water extraction out of mortar during brick laying : A NMR Study
The water extraction out of mortar during brick laying was studied using nuclear magnetic resonance. The experiments show that using a fired-clay brick, the water is extracted out of the mortar within 3 minutes, whereas in the case of a sand-lime brick this takes about 10 minutes. Prewetting a fired...
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| Veröffentlicht in: | Materials and Structures 1998, Vol.31 (205), p.49-57 |
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| creator | BROCKEN, H.J.P SPIEKMAN, M.E PEL, L KOPINGA, K LARBI, J.A |
| description | The water extraction out of mortar during brick laying was studied using nuclear magnetic resonance. The experiments show that using a fired-clay brick, the water is extracted out of the mortar within 3 minutes, whereas in the case of a sand-lime brick this takes about 10 minutes. Prewetting a fired-clay brick hardly affects the water extraction, whereas prewetting a sand-lime brick slows down the water extraction, although the effect is small. The extraction process is slowed down only if the bricks are almost fully saturated. These effects are explained with the help of computer simulations. The final moisture content of the mortar is shown to depend on the suction of the brick and thereby on the equilibrium moisture content of the brick. By adding a water retention agent to the mortar, the extraction process seems to slow down, although the final moisture content of the mortar is not changed. The water extraction experiments suggest that the suction of the mortar which is formed depends on the water extraction rate and thereby on the type of brick that is used in the extraction experiment. Petrographic analyses indicate that the extent of bonding between the brick and the mortar is different for fired-clay brick and sand-lime brick.Original Abstract: L'extraction de l'eau du mortier par la brique a ete etudiee par la methode de resonance magnetique nucleaire. Les resultats montrent que les briques en terre cuite extraient l'eau du mortier en 3 minutes, alors que dans le cas de briques a base de chaux ce temps augmente a 10 minutes. L'humidification prealbble des briques en terre cuite a peu d'influence sur leur extraction de l'eau; dans le cas des briques a base de chaux, l'humidification prealable ralentit l'extraction, mais tres legerement. L'absorption de l'eau du mortier par la brique est sensiblement ralentie lorsque les briques sont prealablement saturees d'eau. Ces phenomenes sont expliques grace a des simulations numeriques. La teneur en eau finale du mortier depend de l'aspiration de la brique et donc de la teneur en eau a l'equilibre de la brique. L'ajout d'un agent retenteur d'eau au mortier semble ralentir l'extraction de l'eau par la brique sans pour autant changer la teneur en eau finale du mortier. Les resultats suggerent que l'aspiration du mortier depend du taux d'extraction d'eau par la brique et donc du type de brique utilise. L'analyse petrographique montre que l'adherence mortier-brique est differente pour les briques en terre cuite |
| doi_str_mv | 10.1007/BF02486414 |
| format | Article |
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The experiments show that using a fired-clay brick, the water is extracted out of the mortar within 3 minutes, whereas in the case of a sand-lime brick this takes about 10 minutes. Prewetting a fired-clay brick hardly affects the water extraction, whereas prewetting a sand-lime brick slows down the water extraction, although the effect is small. The extraction process is slowed down only if the bricks are almost fully saturated. These effects are explained with the help of computer simulations. The final moisture content of the mortar is shown to depend on the suction of the brick and thereby on the equilibrium moisture content of the brick. By adding a water retention agent to the mortar, the extraction process seems to slow down, although the final moisture content of the mortar is not changed. The water extraction experiments suggest that the suction of the mortar which is formed depends on the water extraction rate and thereby on the type of brick that is used in the extraction experiment. Petrographic analyses indicate that the extent of bonding between the brick and the mortar is different for fired-clay brick and sand-lime brick.Original Abstract: L'extraction de l'eau du mortier par la brique a ete etudiee par la methode de resonance magnetique nucleaire. Les resultats montrent que les briques en terre cuite extraient l'eau du mortier en 3 minutes, alors que dans le cas de briques a base de chaux ce temps augmente a 10 minutes. L'humidification prealbble des briques en terre cuite a peu d'influence sur leur extraction de l'eau; dans le cas des briques a base de chaux, l'humidification prealable ralentit l'extraction, mais tres legerement. L'absorption de l'eau du mortier par la brique est sensiblement ralentie lorsque les briques sont prealablement saturees d'eau. Ces phenomenes sont expliques grace a des simulations numeriques. La teneur en eau finale du mortier depend de l'aspiration de la brique et donc de la teneur en eau a l'equilibre de la brique. L'ajout d'un agent retenteur d'eau au mortier semble ralentir l'extraction de l'eau par la brique sans pour autant changer la teneur en eau finale du mortier. Les resultats suggerent que l'aspiration du mortier depend du taux d'extraction d'eau par la brique et donc du type de brique utilise. L'analyse petrographique montre que l'adherence mortier-brique est differente pour les briques en terre cuite et celles a base de chaux.</description><identifier>ISSN: 0025-5432</identifier><identifier>ISSN: 1359-5997</identifier><identifier>EISSN: 1871-6873</identifier><identifier>DOI: 10.1007/BF02486414</identifier><identifier>CODEN: MCMSBP</identifier><language>eng</language><publisher>Paris: Dunod-Gauthier-Villars</publisher><subject>Applied sciences ; Bonding ; Brick ; Building structure ; Buildings. Public works ; Computer simulation ; Construction (buildings and works) ; Exact sciences and technology ; Extraction ; Laying ; Masonry structure ; Measurements. Technique of testing ; Moisture content ; Mortars ; Nuclear magnetic resonance ; Strength of materials (elasticity, plasticity, buckling, etc.) ; Structural analysis. Stresses</subject><ispartof>Materials and Structures, 1998, Vol.31 (205), p.49-57</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c290t-38b2ad874e12b5bab5299243da45ec32a383a1960c6decece987bf78b55be38c3</citedby><cites>FETCH-LOGICAL-c290t-38b2ad874e12b5bab5299243da45ec32a383a1960c6decece987bf78b55be38c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5839215$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>BROCKEN, H.J.P</creatorcontrib><creatorcontrib>SPIEKMAN, M.E</creatorcontrib><creatorcontrib>PEL, L</creatorcontrib><creatorcontrib>KOPINGA, K</creatorcontrib><creatorcontrib>LARBI, J.A</creatorcontrib><title>Water extraction out of mortar during brick laying : A NMR Study</title><title>Materials and Structures</title><description>The water extraction out of mortar during brick laying was studied using nuclear magnetic resonance. The experiments show that using a fired-clay brick, the water is extracted out of the mortar within 3 minutes, whereas in the case of a sand-lime brick this takes about 10 minutes. Prewetting a fired-clay brick hardly affects the water extraction, whereas prewetting a sand-lime brick slows down the water extraction, although the effect is small. The extraction process is slowed down only if the bricks are almost fully saturated. These effects are explained with the help of computer simulations. The final moisture content of the mortar is shown to depend on the suction of the brick and thereby on the equilibrium moisture content of the brick. By adding a water retention agent to the mortar, the extraction process seems to slow down, although the final moisture content of the mortar is not changed. The water extraction experiments suggest that the suction of the mortar which is formed depends on the water extraction rate and thereby on the type of brick that is used in the extraction experiment. Petrographic analyses indicate that the extent of bonding between the brick and the mortar is different for fired-clay brick and sand-lime brick.Original Abstract: L'extraction de l'eau du mortier par la brique a ete etudiee par la methode de resonance magnetique nucleaire. Les resultats montrent que les briques en terre cuite extraient l'eau du mortier en 3 minutes, alors que dans le cas de briques a base de chaux ce temps augmente a 10 minutes. L'humidification prealbble des briques en terre cuite a peu d'influence sur leur extraction de l'eau; dans le cas des briques a base de chaux, l'humidification prealable ralentit l'extraction, mais tres legerement. L'absorption de l'eau du mortier par la brique est sensiblement ralentie lorsque les briques sont prealablement saturees d'eau. Ces phenomenes sont expliques grace a des simulations numeriques. La teneur en eau finale du mortier depend de l'aspiration de la brique et donc de la teneur en eau a l'equilibre de la brique. L'ajout d'un agent retenteur d'eau au mortier semble ralentir l'extraction de l'eau par la brique sans pour autant changer la teneur en eau finale du mortier. Les resultats suggerent que l'aspiration du mortier depend du taux d'extraction d'eau par la brique et donc du type de brique utilise. L'analyse petrographique montre que l'adherence mortier-brique est differente pour les briques en terre cuite et celles a base de chaux.</description><subject>Applied sciences</subject><subject>Bonding</subject><subject>Brick</subject><subject>Building structure</subject><subject>Buildings. Public works</subject><subject>Computer simulation</subject><subject>Construction (buildings and works)</subject><subject>Exact sciences and technology</subject><subject>Extraction</subject><subject>Laying</subject><subject>Masonry structure</subject><subject>Measurements. Technique of testing</subject><subject>Moisture content</subject><subject>Mortars</subject><subject>Nuclear magnetic resonance</subject><subject>Strength of materials (elasticity, plasticity, buckling, etc.)</subject><subject>Structural analysis. Stresses</subject><issn>0025-5432</issn><issn>1359-5997</issn><issn>1871-6873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNpFkEtLAzEUhYMoWGo3_oIsBEEYzXMmcWUtVoWq4AOXw00mI6PTSU0yYP-9U1r03MXhwHfP4iB0TMk5JaS4uJ4TJlQuqNhDI6oKmuWq4PtoRAiTmRScHaJJjJ9kEGdKUzJCV--QXMDuJwWwqfEd9n3CvsZLHxIEXPWh6T6wCY39wi2sN-EST_HjwzN-SX21PkIHNbTRTXY-Rm_zm9fZXbZ4ur2fTReZZZqkjCvDoFKFcJQZacBIpjUTvAIhneUMuOJAdU5sXjk7nFaFqQtlpDSOK8vH6HTbuwr-u3cxlcsmWte20Dnfx1JTrYUqNB3Isy1pg48xuLpchWYJYV1SUm6GKv-HGuCTXS1EC20doLNN_PuQimtGJf8FGOFlqg</recordid><startdate>1998</startdate><enddate>1998</enddate><creator>BROCKEN, H.J.P</creator><creator>SPIEKMAN, M.E</creator><creator>PEL, L</creator><creator>KOPINGA, K</creator><creator>LARBI, J.A</creator><general>Dunod-Gauthier-Villars</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>1998</creationdate><title>Water extraction out of mortar during brick laying : A NMR Study</title><author>BROCKEN, H.J.P ; SPIEKMAN, M.E ; PEL, L ; KOPINGA, K ; LARBI, J.A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c290t-38b2ad874e12b5bab5299243da45ec32a383a1960c6decece987bf78b55be38c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Applied sciences</topic><topic>Bonding</topic><topic>Brick</topic><topic>Building structure</topic><topic>Buildings. Public works</topic><topic>Computer simulation</topic><topic>Construction (buildings and works)</topic><topic>Exact sciences and technology</topic><topic>Extraction</topic><topic>Laying</topic><topic>Masonry structure</topic><topic>Measurements. Technique of testing</topic><topic>Moisture content</topic><topic>Mortars</topic><topic>Nuclear magnetic resonance</topic><topic>Strength of materials (elasticity, plasticity, buckling, etc.)</topic><topic>Structural analysis. Stresses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BROCKEN, H.J.P</creatorcontrib><creatorcontrib>SPIEKMAN, M.E</creatorcontrib><creatorcontrib>PEL, L</creatorcontrib><creatorcontrib>KOPINGA, K</creatorcontrib><creatorcontrib>LARBI, J.A</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</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><jtitle>Materials and Structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BROCKEN, H.J.P</au><au>SPIEKMAN, M.E</au><au>PEL, L</au><au>KOPINGA, K</au><au>LARBI, J.A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Water extraction out of mortar during brick laying : A NMR Study</atitle><jtitle>Materials and Structures</jtitle><date>1998</date><risdate>1998</risdate><volume>31</volume><issue>205</issue><spage>49</spage><epage>57</epage><pages>49-57</pages><issn>0025-5432</issn><issn>1359-5997</issn><eissn>1871-6873</eissn><coden>MCMSBP</coden><abstract>The water extraction out of mortar during brick laying was studied using nuclear magnetic resonance. The experiments show that using a fired-clay brick, the water is extracted out of the mortar within 3 minutes, whereas in the case of a sand-lime brick this takes about 10 minutes. Prewetting a fired-clay brick hardly affects the water extraction, whereas prewetting a sand-lime brick slows down the water extraction, although the effect is small. The extraction process is slowed down only if the bricks are almost fully saturated. These effects are explained with the help of computer simulations. The final moisture content of the mortar is shown to depend on the suction of the brick and thereby on the equilibrium moisture content of the brick. By adding a water retention agent to the mortar, the extraction process seems to slow down, although the final moisture content of the mortar is not changed. The water extraction experiments suggest that the suction of the mortar which is formed depends on the water extraction rate and thereby on the type of brick that is used in the extraction experiment. Petrographic analyses indicate that the extent of bonding between the brick and the mortar is different for fired-clay brick and sand-lime brick.Original Abstract: L'extraction de l'eau du mortier par la brique a ete etudiee par la methode de resonance magnetique nucleaire. Les resultats montrent que les briques en terre cuite extraient l'eau du mortier en 3 minutes, alors que dans le cas de briques a base de chaux ce temps augmente a 10 minutes. L'humidification prealbble des briques en terre cuite a peu d'influence sur leur extraction de l'eau; dans le cas des briques a base de chaux, l'humidification prealable ralentit l'extraction, mais tres legerement. L'absorption de l'eau du mortier par la brique est sensiblement ralentie lorsque les briques sont prealablement saturees d'eau. Ces phenomenes sont expliques grace a des simulations numeriques. La teneur en eau finale du mortier depend de l'aspiration de la brique et donc de la teneur en eau a l'equilibre de la brique. L'ajout d'un agent retenteur d'eau au mortier semble ralentir l'extraction de l'eau par la brique sans pour autant changer la teneur en eau finale du mortier. Les resultats suggerent que l'aspiration du mortier depend du taux d'extraction d'eau par la brique et donc du type de brique utilise. L'analyse petrographique montre que l'adherence mortier-brique est differente pour les briques en terre cuite et celles a base de chaux.</abstract><cop>Paris</cop><pub>Dunod-Gauthier-Villars</pub><doi>10.1007/BF02486414</doi><tpages>9</tpages></addata></record> |
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| subjects | Applied sciences Bonding Brick Building structure Buildings. Public works Computer simulation Construction (buildings and works) Exact sciences and technology Extraction Laying Masonry structure Measurements. Technique of testing Moisture content Mortars Nuclear magnetic resonance Strength of materials (elasticity, plasticity, buckling, etc.) Structural analysis. Stresses |
| title | Water extraction out of mortar during brick laying : A NMR Study |
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