Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument

Abstract The Clock Tower, a typical expression of the saltpeter period, is located in Arturo Prat Square in Iquique, Chile. The building, completely made of wood, has endured the passing of time without major modifications. There is concern about its conservation state. However, there are no records...

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Autores principales:	Ortiz Mansilla,Rodrigo Osvaldo, Fuentes Sazo,Nicol Alejandra, Jamet Aguilar,Andrés Eduardo, Moya Arredondo,Alberto Aníbal, González Moya,Mauricio Andrés, Varela Díaz,María Paz, Ramírez Guerra,Aldo Augusto, Baradit Allendes,Erik, Martínez Ramírez,Patricia Haydée
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2019
Materias:	clock tower evaluation wood NDT MOE
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2019000200238
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spelling	oai:scielo:S0718-915X20190002002382019-10-07Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic MonumentOrtiz Mansilla,Rodrigo OsvaldoFuentes Sazo,Nicol AlejandraJamet Aguilar,Andrés EduardoMoya Arredondo,Alberto AníbalGonzález Moya,Mauricio AndrésVarela Díaz,María PazRamírez Guerra,Aldo AugustoBaradit Allendes,ErikMartínez Ramírez,Patricia Haydée clock tower evaluation wood NDT MOE Abstract The Clock Tower, a typical expression of the saltpeter period, is located in Arturo Prat Square in Iquique, Chile. The building, completely made of wood, has endured the passing of time without major modifications. There is concern about its conservation state. However, there are no records of in-depth evaluations that determine its conservation state. The present study, carried out through the use of non-destructive testing (NDT), is an evaluation of its current state. Basic inspection and structural analysis were also included. The results indicate that the wood of the building corresponds to the species Pseudotsuga menziesii (Oregon Pine). The basic inspection does not reveal any significant damage. However, there is evidence of attacks by insects in the larval stage, social insects and brown rot fungi. Abiotic deterioration by defibering is also observed. NDT studies-ultrasound, resistography and xylo hygrometry-allowed the estimation of density and static modulus of elasticity (MOE) in bending. The low density of wood is shown in a static MOE value of only 4.4 GPa. According to Chilean regulations, wood elements were classified as structural class F3. However, the structural analysis determined that the working stresses did not exceed the admissible stresses. At the foundations level, it is necessary to perform intervention actions.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.18 n.2 20192019-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2019000200238en10.7764/rdlc.18.2.238
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	clock tower evaluation wood NDT MOE
spellingShingle	clock tower evaluation wood NDT MOE Ortiz Mansilla,Rodrigo Osvaldo Fuentes Sazo,Nicol Alejandra Jamet Aguilar,Andrés Eduardo Moya Arredondo,Alberto Aníbal González Moya,Mauricio Andrés Varela Díaz,María Paz Ramírez Guerra,Aldo Augusto Baradit Allendes,Erik Martínez Ramírez,Patricia Haydée Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument
description	Abstract The Clock Tower, a typical expression of the saltpeter period, is located in Arturo Prat Square in Iquique, Chile. The building, completely made of wood, has endured the passing of time without major modifications. There is concern about its conservation state. However, there are no records of in-depth evaluations that determine its conservation state. The present study, carried out through the use of non-destructive testing (NDT), is an evaluation of its current state. Basic inspection and structural analysis were also included. The results indicate that the wood of the building corresponds to the species Pseudotsuga menziesii (Oregon Pine). The basic inspection does not reveal any significant damage. However, there is evidence of attacks by insects in the larval stage, social insects and brown rot fungi. Abiotic deterioration by defibering is also observed. NDT studies-ultrasound, resistography and xylo hygrometry-allowed the estimation of density and static modulus of elasticity (MOE) in bending. The low density of wood is shown in a static MOE value of only 4.4 GPa. According to Chilean regulations, wood elements were classified as structural class F3. However, the structural analysis determined that the working stresses did not exceed the admissible stresses. At the foundations level, it is necessary to perform intervention actions.
author	Ortiz Mansilla,Rodrigo Osvaldo Fuentes Sazo,Nicol Alejandra Jamet Aguilar,Andrés Eduardo Moya Arredondo,Alberto Aníbal González Moya,Mauricio Andrés Varela Díaz,María Paz Ramírez Guerra,Aldo Augusto Baradit Allendes,Erik Martínez Ramírez,Patricia Haydée
author_facet	Ortiz Mansilla,Rodrigo Osvaldo Fuentes Sazo,Nicol Alejandra Jamet Aguilar,Andrés Eduardo Moya Arredondo,Alberto Aníbal González Moya,Mauricio Andrés Varela Díaz,María Paz Ramírez Guerra,Aldo Augusto Baradit Allendes,Erik Martínez Ramírez,Patricia Haydée
author_sort	Ortiz Mansilla,Rodrigo Osvaldo
title	Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument
title_short	Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument
title_full	Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument
title_fullStr	Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument
title_full_unstemmed	Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument
title_sort	use of non-destructive testing for the evaluation of the preservation state of iquique clock tower, chilean historic monument
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2019000200238
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Use of non-destructive testing for the evaluation of the preservation state of Iquique Clock Tower, Chilean Historic Monument

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