<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-20T00:13:00Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/6895" metadataPrefix="marc">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/6895</identifier><datestamp>2024-05-17T09:37:39Z</datestamp><setSpec>com_10259_4204</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>com_10259.4_104</setSpec><setSpec>col_10259_4205</setSpec><setSpec>col_10259_6848</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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<subfield code="a">Sánchez-Rodríguez, Sergio</subfield>
<subfield code="e">author</subfield>
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<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Pérez Acebo, Heriberto</subfield>
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<subfield code="a">Gonzalo Orden, Hernán</subfield>
<subfield code="e">author</subfield>
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<subfield code="a">Fernández Gutiérrez, Jesús David</subfield>
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<subfield code="c">2021-07</subfield>
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<subfield code="a">In the construction of land transport infrastructures such as roads, highways, or railways,&#xd;
one of the factors that determine their design most is the characteristics of the terrain&#xd;
through which they run. Additionally, tunnels have become one of the most adopted&#xd;
solutions to reduce environmental impact. The characteristics of the rock mass are a key&#xd;
point to decide the layout of the tunnel and its construction method. However, the rock&#xd;
masses are discontinuous, anisotropic, and heterogeneous media, so their classification and&#xd;
knowledge are needed for a safer design of these infrastructures.&#xd;
The rock mass is not an industrial material with “pre-established” properties and&#xd;
behaviours, but rather a natural material that needs to be analyzed, understood, and&#xd;
standardized. The need to understand the behaviour of the rock mass has led throughout&#xd;
modern history to the use of different standards, which lead to the development of&#xd;
geomechanical classifications, with the aim of establishing a common language that&#xd;
translates the very advanced geological language in the macro and microgeological&#xd;
behaviour, which is needed for applications in civil engineering. In the last decades of the&#xd;
20th century, and in the present 21st, the efforts in the process of understanding the intact&#xd;
rock and the rock mass has been constantly increasing because a better understanding of&#xd;
the rock mass behaviour implies a better result in reached in projects involving affection to&#xd;
rock masses. This paper briefly reviews the history of rock mass classifications, their&#xd;
implications in rock mechanics and their applicability in the definition of behaviours as a&#xd;
function of natural conditions and human action, as well as their direct implication in some&#xd;
fields of the transport infrastructures management with regard to hazard and risk&#xd;
assessment.</subfield>
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<subfield code="a">978-84-18465-12-3</subfield>
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<subfield code="a">http://hdl.handle.net/10259/6895</subfield>
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<subfield code="a">10.36443/10259/6895</subfield>
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<subfield code="a">Infraestructuras</subfield>
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<subfield code="a">Infrastructures</subfield>
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<datafield tag="245" ind1="0" ind2="0">
<subfield code="a">Analysis of rock mass classifications for safer infrastructures</subfield>
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