The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church

Heritage is the totality of tangible and intangible inherited identity in a society. Different churches are tangible ancestral heritage with its unique architectural framework and artistic elegance. Baclayon Church as heritage of one of the earliest historical-cultural structures by the Spanish conq...

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Main Authors: Asor, Aniano N., Jr., Asor, Bubbles Beverly N., Cayme, Jan-Michael C.
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Published: Animo Repository 2019
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Online Access:https://animorepository.dlsu.edu.ph/faculty_research/4055
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Institution: De La Salle University
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spelling oai:animorepository.dlsu.edu.ph:faculty_research-50762021-11-11T07:55:44Z The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church Asor, Aniano N., Jr. Asor, Bubbles Beverly N. Cayme, Jan-Michael C. Heritage is the totality of tangible and intangible inherited identity in a society. Different churches are tangible ancestral heritage with its unique architectural framework and artistic elegance. Baclayon Church as heritage of one of the earliest historical-cultural structures by the Spanish conquistadores with its unique baroque architectural design. Structural materials include adobe, coral stone, bricks and limestone with organic adhesive additive like eggs, oil and viscous plant extracts. On October 15, 2013 a 7.2 earthquake devastated the province of Bohol with Baclayon as one of the most affected. This research explores the Baclayon Church: the historical cultural testimony and mineralogical components of its mortar. The methodology used is a complementary study on narrative from archival data files and geomaterial characterization of different fragments. From the debris, samples with code BCB1, BCB2 and BCB3 are analyzed for its chemical components using Shimadzu FT-IR and ED-XRF. From this analysis, the major mineralogical hulk is calcite. Based from FT-IR spectra, the adsorption peaks are located in the calcite range point and in complement with the ED-XRF. The greater volume of calcite is 95.139% (BCB2) and 94.190% (BCB3). Aggregate materials like silicates are limited to a minimal proportion. Mineralogical constituents include strontium, silicon, potassium, iron, sulfur, zinc, copper, nickel, lead, phosphorous, magnesium and lutetium. Traces of inorganic barium and lithium as well as organic amine group related to protein compounds are identified using the Shimadzu spectral library as reference. The mineralogical composition indicates that the binder is a hydrated mortar containing lime particles. Lime mortar is a primary material for the conservation of historical-cultural structures which are significant for aeration and water absorption. 2019-06-19T07:00:00Z text https://animorepository.dlsu.edu.ph/faculty_research/4055 Faculty Research Work Animo Repository Mortar—Analysis Church buildings--Philippines--Bohol Baclayon Church (Bohol : Philippines) Materials Science and Engineering Physics
institution De La Salle University
building De La Salle University Library
continent Asia
country Philippines
Philippines
content_provider De La Salle University Library
collection DLSU Institutional Repository
topic Mortar—Analysis
Church buildings--Philippines--Bohol
Baclayon Church (Bohol : Philippines)
Materials Science and Engineering
Physics
spellingShingle Mortar—Analysis
Church buildings--Philippines--Bohol
Baclayon Church (Bohol : Philippines)
Materials Science and Engineering
Physics
Asor, Aniano N., Jr.
Asor, Bubbles Beverly N.
Cayme, Jan-Michael C.
The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church
description Heritage is the totality of tangible and intangible inherited identity in a society. Different churches are tangible ancestral heritage with its unique architectural framework and artistic elegance. Baclayon Church as heritage of one of the earliest historical-cultural structures by the Spanish conquistadores with its unique baroque architectural design. Structural materials include adobe, coral stone, bricks and limestone with organic adhesive additive like eggs, oil and viscous plant extracts. On October 15, 2013 a 7.2 earthquake devastated the province of Bohol with Baclayon as one of the most affected. This research explores the Baclayon Church: the historical cultural testimony and mineralogical components of its mortar. The methodology used is a complementary study on narrative from archival data files and geomaterial characterization of different fragments. From the debris, samples with code BCB1, BCB2 and BCB3 are analyzed for its chemical components using Shimadzu FT-IR and ED-XRF. From this analysis, the major mineralogical hulk is calcite. Based from FT-IR spectra, the adsorption peaks are located in the calcite range point and in complement with the ED-XRF. The greater volume of calcite is 95.139% (BCB2) and 94.190% (BCB3). Aggregate materials like silicates are limited to a minimal proportion. Mineralogical constituents include strontium, silicon, potassium, iron, sulfur, zinc, copper, nickel, lead, phosphorous, magnesium and lutetium. Traces of inorganic barium and lithium as well as organic amine group related to protein compounds are identified using the Shimadzu spectral library as reference. The mineralogical composition indicates that the binder is a hydrated mortar containing lime particles. Lime mortar is a primary material for the conservation of historical-cultural structures which are significant for aeration and water absorption.
format text
author Asor, Aniano N., Jr.
Asor, Bubbles Beverly N.
Cayme, Jan-Michael C.
author_facet Asor, Aniano N., Jr.
Asor, Bubbles Beverly N.
Cayme, Jan-Michael C.
author_sort Asor, Aniano N., Jr.
title The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church
title_short The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church
title_full The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church
title_fullStr The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church
title_full_unstemmed The Baclayon Church (Bohol) debris of mortar: A geomaterial dimension of Philippine cultural-historical church
title_sort baclayon church (bohol) debris of mortar: a geomaterial dimension of philippine cultural-historical church
publisher Animo Repository
publishDate 2019
url https://animorepository.dlsu.edu.ph/faculty_research/4055
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