Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation
Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is pa...
Ausführliche Beschreibung
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| Autor*in: |
O Troconis de Rincón [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Corrosion - Houston, Tex. : Assoc., 1945, 71(2014), 4, Seite 546 |
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| Übergeordnetes Werk: |
volume:71 ; year:2014 ; number:4 ; pages:546 |
| Links: |
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| DOI / URN: |
10.5006/1385 |
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OLC1966375344 |
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| 520 | |a Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. | ||
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10.5006/1385 doi PQ20160617 (DE-627)OLC1966375344 (DE-599)GBVOLC1966375344 (PRQ)c1681-16b2f25a70957ea5855faa10e194143d2efb4540df4577f09edea8514bc1c4160 (KEY)0057142320140000071000400546concretecarbonationiniberoamericancountriesduracon DE-627 ger DE-627 rakwb eng 670 DE-600 O Troconis de Rincón verfasserin aut Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. Corrosion Aqueous solutions Trends Reinforced concrete Cement Concrete J C Montenegro oth R Vera oth A M Carvajal oth R Mejía de Gutierrez oth S Del Vasto oth E Saborio oth A Torres-Acosta oth J Pérez-Quiroz oth M Martínez-Madrid oth W Martinez-Molina oth E Alonso-Guzmán oth P Castro-Borges oth E I Moreno oth F Almeraya-Calderón oth C Gaona-Tiburcio oth T Pérez-López oth M Salta oth A P de Melo oth I Martínez oth N Rebolledo oth G Rodríguez oth M Pedrón oth V Millano oth M Sánchez oth E de Partidas oth Enthalten in Corrosion Houston, Tex. : Assoc., 1945 71(2014), 4, Seite 546 (DE-627)129540803 (DE-600)217266-5 (DE-576)014988895 0010-9312 nnns volume:71 year:2014 number:4 pages:546 http://dx.doi.org/10.5006/1385 Volltext http://search.proquest.com/docview/1682435636 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2005 AR 71 2014 4 546 |
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10.5006/1385 doi PQ20160617 (DE-627)OLC1966375344 (DE-599)GBVOLC1966375344 (PRQ)c1681-16b2f25a70957ea5855faa10e194143d2efb4540df4577f09edea8514bc1c4160 (KEY)0057142320140000071000400546concretecarbonationiniberoamericancountriesduracon DE-627 ger DE-627 rakwb eng 670 DE-600 O Troconis de Rincón verfasserin aut Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. Corrosion Aqueous solutions Trends Reinforced concrete Cement Concrete J C Montenegro oth R Vera oth A M Carvajal oth R Mejía de Gutierrez oth S Del Vasto oth E Saborio oth A Torres-Acosta oth J Pérez-Quiroz oth M Martínez-Madrid oth W Martinez-Molina oth E Alonso-Guzmán oth P Castro-Borges oth E I Moreno oth F Almeraya-Calderón oth C Gaona-Tiburcio oth T Pérez-López oth M Salta oth A P de Melo oth I Martínez oth N Rebolledo oth G Rodríguez oth M Pedrón oth V Millano oth M Sánchez oth E de Partidas oth Enthalten in Corrosion Houston, Tex. : Assoc., 1945 71(2014), 4, Seite 546 (DE-627)129540803 (DE-600)217266-5 (DE-576)014988895 0010-9312 nnns volume:71 year:2014 number:4 pages:546 http://dx.doi.org/10.5006/1385 Volltext http://search.proquest.com/docview/1682435636 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2005 AR 71 2014 4 546 |
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10.5006/1385 doi PQ20160617 (DE-627)OLC1966375344 (DE-599)GBVOLC1966375344 (PRQ)c1681-16b2f25a70957ea5855faa10e194143d2efb4540df4577f09edea8514bc1c4160 (KEY)0057142320140000071000400546concretecarbonationiniberoamericancountriesduracon DE-627 ger DE-627 rakwb eng 670 DE-600 O Troconis de Rincón verfasserin aut Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. Corrosion Aqueous solutions Trends Reinforced concrete Cement Concrete J C Montenegro oth R Vera oth A M Carvajal oth R Mejía de Gutierrez oth S Del Vasto oth E Saborio oth A Torres-Acosta oth J Pérez-Quiroz oth M Martínez-Madrid oth W Martinez-Molina oth E Alonso-Guzmán oth P Castro-Borges oth E I Moreno oth F Almeraya-Calderón oth C Gaona-Tiburcio oth T Pérez-López oth M Salta oth A P de Melo oth I Martínez oth N Rebolledo oth G Rodríguez oth M Pedrón oth V Millano oth M Sánchez oth E de Partidas oth Enthalten in Corrosion Houston, Tex. : Assoc., 1945 71(2014), 4, Seite 546 (DE-627)129540803 (DE-600)217266-5 (DE-576)014988895 0010-9312 nnns volume:71 year:2014 number:4 pages:546 http://dx.doi.org/10.5006/1385 Volltext http://search.proquest.com/docview/1682435636 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2005 AR 71 2014 4 546 |
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10.5006/1385 doi PQ20160617 (DE-627)OLC1966375344 (DE-599)GBVOLC1966375344 (PRQ)c1681-16b2f25a70957ea5855faa10e194143d2efb4540df4577f09edea8514bc1c4160 (KEY)0057142320140000071000400546concretecarbonationiniberoamericancountriesduracon DE-627 ger DE-627 rakwb eng 670 DE-600 O Troconis de Rincón verfasserin aut Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. Corrosion Aqueous solutions Trends Reinforced concrete Cement Concrete J C Montenegro oth R Vera oth A M Carvajal oth R Mejía de Gutierrez oth S Del Vasto oth E Saborio oth A Torres-Acosta oth J Pérez-Quiroz oth M Martínez-Madrid oth W Martinez-Molina oth E Alonso-Guzmán oth P Castro-Borges oth E I Moreno oth F Almeraya-Calderón oth C Gaona-Tiburcio oth T Pérez-López oth M Salta oth A P de Melo oth I Martínez oth N Rebolledo oth G Rodríguez oth M Pedrón oth V Millano oth M Sánchez oth E de Partidas oth Enthalten in Corrosion Houston, Tex. : Assoc., 1945 71(2014), 4, Seite 546 (DE-627)129540803 (DE-600)217266-5 (DE-576)014988895 0010-9312 nnns volume:71 year:2014 number:4 pages:546 http://dx.doi.org/10.5006/1385 Volltext http://search.proquest.com/docview/1682435636 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2005 AR 71 2014 4 546 |
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10.5006/1385 doi PQ20160617 (DE-627)OLC1966375344 (DE-599)GBVOLC1966375344 (PRQ)c1681-16b2f25a70957ea5855faa10e194143d2efb4540df4577f09edea8514bc1c4160 (KEY)0057142320140000071000400546concretecarbonationiniberoamericancountriesduracon DE-627 ger DE-627 rakwb eng 670 DE-600 O Troconis de Rincón verfasserin aut Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. Corrosion Aqueous solutions Trends Reinforced concrete Cement Concrete J C Montenegro oth R Vera oth A M Carvajal oth R Mejía de Gutierrez oth S Del Vasto oth E Saborio oth A Torres-Acosta oth J Pérez-Quiroz oth M Martínez-Madrid oth W Martinez-Molina oth E Alonso-Guzmán oth P Castro-Borges oth E I Moreno oth F Almeraya-Calderón oth C Gaona-Tiburcio oth T Pérez-López oth M Salta oth A P de Melo oth I Martínez oth N Rebolledo oth G Rodríguez oth M Pedrón oth V Millano oth M Sánchez oth E de Partidas oth Enthalten in Corrosion Houston, Tex. : Assoc., 1945 71(2014), 4, Seite 546 (DE-627)129540803 (DE-600)217266-5 (DE-576)014988895 0010-9312 nnns volume:71 year:2014 number:4 pages:546 http://dx.doi.org/10.5006/1385 Volltext http://search.proquest.com/docview/1682435636 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2005 AR 71 2014 4 546 |
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Concrete Carbonation in Ibero-American Countries DURACON Project: Six-year Evaluation |
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Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. |
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Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. |
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Concrete carbonation data from 16 test sites in 9 countries (Bolivia, Chile, Colombia, Costa Rica, Mexico, Spain, Uruguay, Portugal, and Venezuela) were compared to identify concrete performance due to carbonation at natural exposure conditions after almost six years of exposure. This research is part of the DURACON project ("Effect of the environment on reinforcement durability"), a long-term Ibero-American project intended to correlate the influence of urban and marine meteorochemical parameters on the performance of reinforced concrete structures. Environmental parameters were measured following the ISO 9223 standard. Concrete was physically characterized by the results of compressive strength, elastic modulus, total and effective porosity, and water absorption resistance (Fagerlund method) laboratory tests. Concrete specimens (with and without steel reinforcement bars-rebars) were prepared for electrochemical and physical/mechanical/chemical tests using materials available in each country. Concrete composition was kept similar between specimens by following strict preparation protocols. Two water/cement (w/c) ratios were used: 0.45 w/c ratio concrete had a minimum cement content of 400 kg/m^sup 3^; and 0.65 w/c ratio concrete had a minimum 28-day compressive strength of 210 kg/cm^sup 2^. Materials were type I Portland cement, siliceous sand, and crushed rock as coarse aggregates (13-mm maximum nominal size). After six years of exposure, corrosion potentiality and probability analysis of the reinforcement at the different sites indicated the concrete prepared in Venezuela to have the highest probability of experiencing carbonation-induced reinforcement corrosion. The concrete prepared at the Cali, Colombia, site had the lowest probability. Carbonation aggressiveness was found to be highest at tropical sites, with the Venezuela sites exhibiting the most aggressive conditions among the participating countries. |
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ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Corrosion</subfield><subfield code="d">Houston, Tex. : Assoc., 1945</subfield><subfield code="g">71(2014), 4, Seite 546</subfield><subfield code="w">(DE-627)129540803</subfield><subfield code="w">(DE-600)217266-5</subfield><subfield code="w">(DE-576)014988895</subfield><subfield code="x">0010-9312</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:71</subfield><subfield code="g">year:2014</subfield><subfield code="g">number:4</subfield><subfield code="g">pages:546</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">http://dx.doi.org/10.5006/1385</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="u">http://search.proquest.com/docview/1682435636</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-TEC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_70</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_2005</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">71</subfield><subfield code="j">2014</subfield><subfield code="e">4</subfield><subfield code="h">546</subfield></datafield></record></collection>
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