Assessing the natural durability of different tropical timbers in soil-bed tests

Abstract: Ground contact speeds up timber decay because of the large number of microorganisms in soil. This study, we assessed the natural durability of seven tropical species using the European standard EN-807 (2001). We embedded samples of Dalbergia granadillo, Cordia elaeagnoides, Swietenia humil...

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Autores principales:	Colín-Urieta,Serafín, Carrillo-Parra,Artemio, Rutiaga-Quiñones,José Guadalupe, López-Albarran,Pablo, Gabriel-Parra,Rosalio, Corral-Rivas,José Javier
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2019
Materias:	Decay ground contact mass loss MOE loss tropical wood.
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2019000200231
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spelling	oai:scielo:S0718-221X20190002002312019-06-04Assessing the natural durability of different tropical timbers in soil-bed testsColín-Urieta,SerafínCarrillo-Parra,ArtemioRutiaga-Quiñones,José GuadalupeLópez-Albarran,PabloGabriel-Parra,RosalioCorral-Rivas,José Javier Decay ground contact mass loss MOE loss tropical wood. Abstract: Ground contact speeds up timber decay because of the large number of microorganisms in soil. This study, we assessed the natural durability of seven tropical species using the European standard EN-807 (2001). We embedded samples of Dalbergia granadillo, Cordia elaeagnoides, Swietenia humillis, Tabebuia donell-smithii, Hura polyandra, Enterolobium cyclocarpum and Tabebuia rosea and temperate species Fagus sylvatica (as a control) in sandy, clay-sandy-loam and clay-loam for 8, 16, 24 and 32 weeks. We evaluated durability of the samples by determining the mass loss and modulus of elasticity (MOE) loss. The results varied significantly (p < 0,001) depending on timber species and soil type considered. The D. granadillo and C. elaeagnoides were the most durable, with mass losses of 4,5%; 6,5% and MOE losses of 4,5%; 20,5%; respectively. F. sylvatica, T. rosea and E. cyclocarpum samples were the least durable, with mass losses of 22,3-25% and MOE losses of 35,8-59,8% respectively. Decay was most aggressive in sandy-clay-loam soil followed by the clay-loam soil and finally the sandy soil.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.21 n.2 20192019-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2019000200231en10.4067/S0718-221X2019005000210
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Decay ground contact mass loss MOE loss tropical wood.
spellingShingle	Decay ground contact mass loss MOE loss tropical wood. Colín-Urieta,Serafín Carrillo-Parra,Artemio Rutiaga-Quiñones,José Guadalupe López-Albarran,Pablo Gabriel-Parra,Rosalio Corral-Rivas,José Javier Assessing the natural durability of different tropical timbers in soil-bed tests
description	Abstract: Ground contact speeds up timber decay because of the large number of microorganisms in soil. This study, we assessed the natural durability of seven tropical species using the European standard EN-807 (2001). We embedded samples of Dalbergia granadillo, Cordia elaeagnoides, Swietenia humillis, Tabebuia donell-smithii, Hura polyandra, Enterolobium cyclocarpum and Tabebuia rosea and temperate species Fagus sylvatica (as a control) in sandy, clay-sandy-loam and clay-loam for 8, 16, 24 and 32 weeks. We evaluated durability of the samples by determining the mass loss and modulus of elasticity (MOE) loss. The results varied significantly (p < 0,001) depending on timber species and soil type considered. The D. granadillo and C. elaeagnoides were the most durable, with mass losses of 4,5%; 6,5% and MOE losses of 4,5%; 20,5%; respectively. F. sylvatica, T. rosea and E. cyclocarpum samples were the least durable, with mass losses of 22,3-25% and MOE losses of 35,8-59,8% respectively. Decay was most aggressive in sandy-clay-loam soil followed by the clay-loam soil and finally the sandy soil.
author	Colín-Urieta,Serafín Carrillo-Parra,Artemio Rutiaga-Quiñones,José Guadalupe López-Albarran,Pablo Gabriel-Parra,Rosalio Corral-Rivas,José Javier
author_facet	Colín-Urieta,Serafín Carrillo-Parra,Artemio Rutiaga-Quiñones,José Guadalupe López-Albarran,Pablo Gabriel-Parra,Rosalio Corral-Rivas,José Javier
author_sort	Colín-Urieta,Serafín
title	Assessing the natural durability of different tropical timbers in soil-bed tests
title_short	Assessing the natural durability of different tropical timbers in soil-bed tests
title_full	Assessing the natural durability of different tropical timbers in soil-bed tests
title_fullStr	Assessing the natural durability of different tropical timbers in soil-bed tests
title_full_unstemmed	Assessing the natural durability of different tropical timbers in soil-bed tests
title_sort	assessing the natural durability of different tropical timbers in soil-bed tests
publisher	Universidad del Bío-Bío
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2019000200231
work_keys_str_mv	AT colinurietaserafin assessingthenaturaldurabilityofdifferenttropicaltimbersinsoilbedtests AT carrilloparraartemio assessingthenaturaldurabilityofdifferenttropicaltimbersinsoilbedtests AT rutiagaquinonesjoseguadalupe assessingthenaturaldurabilityofdifferenttropicaltimbersinsoilbedtests AT lopezalbarranpablo assessingthenaturaldurabilityofdifferenttropicaltimbersinsoilbedtests AT gabrielparrarosalio assessingthenaturaldurabilityofdifferenttropicaltimbersinsoilbedtests AT corralrivasjosejavier assessingthenaturaldurabilityofdifferenttropicaltimbersinsoilbedtests
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Assessing the natural durability of different tropical timbers in soil-bed tests

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