XXXVII <str<strong>on</strong>g>IAHS</str<strong>on</strong>g><str<strong>on</strong>g>World</str<strong>on</strong>g> <str<strong>on</strong>g>C<strong>on</strong>gress</str<strong>on</strong>g> <strong>on</strong> <strong>Housing</strong>October 26 – 29, 2010, Santan<strong>de</strong>r, SpainCODE: 1039ROCK THIN-SECTIONS STUDIES: A GEOLOGIC TOOLUSEFUL FOR BUILDING AND MONUMENTREHABILITATIONSánchez, M.A. 1 , Iriarte. E. 2 and Gutiérrez-Medina, M. 11 Department of Science and Ground Engineering and Materials1 University of <strong>Cantabria</strong>, Spain2 Department of Archaeology and Anthropology2 Institución Milà i F<strong>on</strong>tanals-CSICe-mail: miguelangel.sanchez@unican.esKey words: thin-secti<strong>on</strong>s, microscopic studies, rock analysis, building and m<strong>on</strong>ument rehabilitati<strong>on</strong>AbstractThe analysis of minerals and rocks un<strong>de</strong>r a polarizing petrographic microscope is a comm<strong>on</strong>and an important source of informati<strong>on</strong> for any geological work. The i<strong>de</strong>ntificati<strong>on</strong> ofdifferent rock-forming c<strong>on</strong>stituents, their spatial relati<strong>on</strong>ship and their physical and chemicalalterati<strong>on</strong> <strong>de</strong>gree, can be achieved by the study of thin-secti<strong>on</strong>s.For any petrophysical characterizati<strong>on</strong> of a rock, soil or c<strong>on</strong>crete sample, we need to studytheir basic comp<strong>on</strong>ents, which are: minerals, voids (pores and micro-fissures) and theirc<strong>on</strong>nectivity, grain interlocking, grain boundaries, anisotropies, grain size, texturalheterogeneities, etc. and for this petrographic study, thin-secti<strong>on</strong>s are absolutely required. Onthe other hand, the effect caused by compressi<strong>on</strong> tests over the rock micro-structure also canbe studied so thin-secti<strong>on</strong> provi<strong>de</strong>s a good method for materials strength characterizati<strong>on</strong>.Thin-secti<strong>on</strong>s could be obtained from sediments, soils and regolith, so they also have a greatinterest to envir<strong>on</strong>mental and archaeological studies. Petrographic studies of soils are a goodalternative to study archaeological settings or materials such as soil caves fillings and potteryremains.In the same way, petrographic studies based <strong>on</strong> thin-secti<strong>on</strong>s, are useful for building andm<strong>on</strong>ument rehabilitati<strong>on</strong> and preservati<strong>on</strong> works, because any rock material used <strong>on</strong> housingcan be studied un<strong>de</strong>r a polarizing microscope. Petrographic studies have also a great interestfor characterizati<strong>on</strong> of rock materials used for building in or<strong>de</strong>r to localize z<strong>on</strong>es to supplyrocks of similar petrographic features suitable for the building or m<strong>on</strong>ument rehabilitati<strong>on</strong>.Here we present, as an example of a petrographical study, the results obtained in the workcarried out in the Isla <strong>de</strong> la Horadada in Santan<strong>de</strong>r (Spain). At present, the Applied GeologyGroup is working <strong>on</strong> the <strong>de</strong>velopment of a complete laboratory for thin-secti<strong>on</strong> fabricati<strong>on</strong>.The laboratory will be able to elaborate thin-secti<strong>on</strong>s from any material: rock, soils,sediments, building st<strong>on</strong>es, c<strong>on</strong>crete, etc.37º <str<strong>on</strong>g>IAHS</str<strong>on</strong>g> <str<strong>on</strong>g>World</str<strong>on</strong>g> <str<strong>on</strong>g>C<strong>on</strong>gress</str<strong>on</strong>g> On <strong>Housing</strong> Science 359
XXXVII <str<strong>on</strong>g>IAHS</str<strong>on</strong>g><str<strong>on</strong>g>World</str<strong>on</strong>g> <str<strong>on</strong>g>C<strong>on</strong>gress</str<strong>on</strong>g> <strong>on</strong> <strong>Housing</strong>October 26 – 29, 2010, Santan<strong>de</strong>r, SpainCODE: 1040A CONTRIBUTION TO TECHNICAL INSPECTIONPROCESSES IN RESIDENTIAL BUILDING DIAGNOSISCésar Díaz, Còssima Cornadó, Leiris SimancasDepartment of Building C<strong>on</strong>structi<strong>on</strong> I Technical University of Catal<strong>on</strong>ia (UPC)AbstractDuring the process of building assessment and diagnosis, the interpretati<strong>on</strong> of spots and theway in which building damage appears c<strong>on</strong>stitutes an acti<strong>on</strong> that is sometimes enough to<strong>de</strong>termine the causes that provoked the damage. However, sometimes it is not possible tomake this interpretati<strong>on</strong> due to problems of access to specific parts of the building, becausesome damage is hid<strong>de</strong>n or because it is not visible before its effects are seen.The systematic inspecti<strong>on</strong> tasks c<strong>on</strong>trolled by the public administrati<strong>on</strong> to check the a<strong>de</strong>quacyof safety and maintenance measures in buildings (called ITE in Spain) require a vast and<strong>de</strong>tailed knowledge of both the relati<strong>on</strong>ship between visible symptoms and their causes and ofthe way to tackle the different problems of in-situ checking processes where there arepossibly very limited tools available for the carrying out of such inspecti<strong>on</strong>s, given the limitedfinancial resources allotted to such tasks.From the experience in buildings diagnosis gathered by the DITEC research group from theUPC, a study has been ma<strong>de</strong> collecting and presenting a summary of the issues c<strong>on</strong>si<strong>de</strong>red tobe transferable to the inspecti<strong>on</strong> process protocols, which are specifically applicable to themost usual resi<strong>de</strong>ntial building typologies. The aim of this is to increase the efficiency ofbuilding inspecti<strong>on</strong>s and to homogenize the criteria assessment from the informati<strong>on</strong> obtained.37º <str<strong>on</strong>g>IAHS</str<strong>on</strong>g> <str<strong>on</strong>g>World</str<strong>on</strong>g> <str<strong>on</strong>g>C<strong>on</strong>gress</str<strong>on</strong>g> On <strong>Housing</strong> Science 360
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University ofCantabriawww.iahshousi
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ÍNDICE1. HONORARY COMMITTEE ______
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2. INTRODUCTIONThe International As
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13. PLENARY SESSIONSPLENARY SESSION
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October 26, 9 h 30-10 h 00 (Room 0)
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TRIP A: MARITIME MUSEUM + PEDREÑA
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TOPIC IV - HEALTH, COMFORT AND SAFE
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