{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1718"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1718","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"Συμβολή στη μελέτη διόγκωσης ηφαιστιτών","abstract":"THE EXPANSION OF PERLITE IS FOR THE GREEK INDUSTRY OF ROCKS AND MINERALS OF GREAT IMPORTANCE. THE REALIZATION OF THE PRESENT THESIS WITH REGARDS TO THE DEFINITION OF THE VARIOUS PARAMETERS AND THE WAY THAT THEY INFLUENCE THE PERLITE'S EXPANSION OFFERS THE POSSIBILITY OF EXTRACTING VALUABLE, FOR THE ABOVE INDUSTRY, CONCLUSIONS. DURING THE REALIZATION OF THE PRESENT THESIS TWO ORIGINAL APPARATUSES FOR THE COMPLETE CONTROL OF THE HEATING CONDITIONS AND THE ACCURATE MEASUREMENT OF THE DEGREE OF EXPANSION, WERE BUILT. THERE WERE ALSO COLLECTED PERLITE SAMPLES FROM NINE DIFFERENT PARTS OF GREECE, THE TREATMENT OF WHICH UNDER VARIOUS CONDITIONS BY MEANS OF THE ABOVE APPARATUSES CONTRIBUTED TO THE STUDY OF PERLITE'S EXPANSION.","abstract_html":"THE EXPANSION OF PERLITE IS FOR THE GREEK INDUSTRY OF ROCKS AND MINERALS OF GREAT IMPORTANCE. THE REALIZATION OF THE PRESENT THESIS WITH REGARDS TO THE DEFINITION OF THE VARIOUS PARAMETERS AND THE WAY THAT THEY INFLUENCE THE PERLITE'S EXPANSION OFFERS THE POSSIBILITY OF EXTRACTING VALUABLE, FOR THE ABOVE INDUSTRY, CONCLUSIONS. DURING THE REALIZATION OF THE PRESENT THESIS TWO ORIGINAL APPARATUSES FOR THE COMPLETE CONTROL OF THE HEATING CONDITIONS AND THE ACCURATE MEASUREMENT OF THE DEGREE OF EXPANSION, WERE BUILT. THERE WERE ALSO COLLECTED PERLITE SAMPLES FROM NINE DIFFERENT PARTS OF GREECE, THE TREATMENT OF WHICH UNDER VARIOUS CONDITIONS BY MEANS OF THE ABOVE APPARATUSES CONTRIBUTED TO THE STUDY OF PERLITE'S EXPANSION.","abstract_has_math":false,"creators":["Παπαθεοδώρου, Κωνσταντίνος"],"institution":"Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991","date_published":"1991","updated_at":"2026-07-24T02:25:05Z","subjects":["Expansion","PERLITE","Διόγκωση","ΠΕΡΛΙΤΗΣ","Engineering and Technology","Civil Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1718"],"render_values":[{"text":"10.12681/eadd/1718","href":"https://doi.org/10.12681/eadd/1718","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1718","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Παπαθεοδώρου, Κωνσταντίνος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1991"]},{"key":"dc:publisher","label":"Institution","values":["Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","Aristotle University Of Thessaloniki (AUTH)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Expansion","PERLITE","Διόγκωση","ΠΕΡΛΙΤΗΣ","Engineering and Technology","Civil Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1718","http://hdl.handle.net/10442/hedi/1718"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE EXPANSION OF PERLITE IS FOR THE GREEK INDUSTRY OF ROCKS AND MINERALS OF GREAT IMPORTANCE. THE REALIZATION OF THE PRESENT THESIS WITH REGARDS TO THE DEFINITION OF THE VARIOUS PARAMETERS AND THE WAY THAT THEY INFLUENCE THE PERLITE'S EXPANSION OFFERS THE POSSIBILITY OF EXTRACTING VALUABLE, FOR THE ABOVE INDUSTRY, CONCLUSIONS. DURING THE REALIZATION OF THE PRESENT THESIS TWO ORIGINAL APPARATUSES FOR THE COMPLETE CONTROL OF THE HEATING CONDITIONS AND THE ACCURATE MEASUREMENT OF THE DEGREE OF EXPANSION, WERE BUILT. THERE WERE ALSO COLLECTED PERLITE SAMPLES FROM NINE DIFFERENT PARTS OF GREECE, THE TREATMENT OF WHICH UNDER VARIOUS CONDITIONS BY MEANS OF THE ABOVE APPARATUSES CONTRIBUTED TO THE STUDY OF PERLITE'S EXPANSION.","ΕΞ'ΑΙΤΙΑΣ ΤΗΣ ΙΔΙΑΙΤΕΡΗΣ ΣΗΜΑΣΙΑΣ ΠΟΥ ΕΧΕΙ ΓΙΑ ΤΗΝ ΠΕΡΑΙΤΕΡΩ ΑΝΑΠΤΥΞΗ ΤΗΣ ΕΛΛΗΝΙΚΗΣ ΒΙΟΜΗΧΑΝΙΑΣ ΠΑΡΑΓΩΓΗΣ ΔΙΟΓΚΩΜΕΝΟΥ ΠΕΡΛΙΤΗ Η ΓΝΩΣΗ ΤΗΣ ΔΙΕΡΓΑΣΙΑΣ ΔΙΟΓΚΩΣΗΣΤΟΥ, ΠΡΑΓΜΑΤΟΠΟΙΗΘΗΚΕ Η ΠΑΡΟΥΣΑ ΔΙΑΤΡΙΒΗ ΠΡΟΚΕΙΜΕΝΟΥ ΝΑ ΠΡΟΣΔΙΟΡΙΣΤΟΥΝ ΟΙ ΔΙΑΦΟΡΟΙ ΠΑΡΑΓΟΝΤΕΣ, Ο ΤΡΟΠΟΣ ΜΕ ΤΟΝ ΟΠΟΙΟ ΑΥΤΟΙ ΕΠΗΡΡΕΑΖΟΥΝ ΤΗ ΔΙΟΓΚΩΣΗ ΤΩΝ ΠΕΡΛΙΤΩΝ (ΗΦΑΙΣΤΙΤΩΝ) ΚΑΙ ΝΑ ΕΞΑΧΘΟΥΝ ΧΡΗΣΙΜΑ, ΓΙΑ ΤΟΝ ΠΑΡΑΠΑΝΩ ΚΛΑΔΟ ΤΗΣ ΒΙΟΜΗΧΑΝΙΑΣΟΡΥΚΤΩΝ ΚΑΙ ΠΕΤΡΩΜΑΤΩΝ ΣΥΜΠΕΡΑΣΜΑΤΑ. ΣΤΑ ΠΛΑΙΣΙΑ ΤΗΣ ΕΡΓΑΣΙΑΣ ΑΥΤΗΣ, ΚΑΤΑΣΚΕΥΑΣΘΗΚΑΝ ΔΥΟ ΠΡΩΤΟΤΥΠΕΣ ΣΥΣΚΕΥΕΣ ΓΙΑ ΤΟΝ ΠΛΗΡΗ ΕΛΕΓΧΟ ΤΩΝ ΣΥΝΘΗΚΩΝ ΕΠΕΞΕΡΓΑΣΙΑΣ ΚΑΙ ΤΟΝ ΑΚΡΙΒΗ ΠΡΟΣΔΙΟΡΙΣΜΟ ΤΟΥ ΒΑΘΜΟΥ ΔΙΟΓΚΩΣΗΣ ΤΩΝ ΠΕΡΛΙΤΩΝ. ΓΙΑ ΤΙΣ ΑΝΑΓΚΕΣ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΕΠΙΣΗΣ, ΣΥΝΕΛΕΓΗΣΑΝ ΑΠΟ ΕΝΝΕΑ ΔΙΑΦΟΡΕΤΙΚΕΣ ΠΕΡΙΟΧΕΣ ΤΗΣ ΕΛΛΑΔΑΣ ΔΕΙΓΜΑΤΑ ΗΦΑΙΣΤΙΤΩΝ (ΠΕΡΛΙΤΩΝ), Η ΕΠΕΞΕΡΓΑΣΙΑ ΤΩΝ ΟΠΟΙΩΝ ΜΕ ΤΗ ΒΟΗΘΕΙΑ ΤΩΝ ΠΑΡΑΠΑΝΩ ΣΥΣΚΕΥΩΝ ΚΑΙ ΜΕ ΜΕΘΟΔΟΛΟΓΙΑ ΠΟΥ ΑΝΑΠΤΥΧΘΗΚΕ ΣΤΟ ΕΡΓΑΣΤΗΡΙΟ ΤΕΧΝΙΚΗΣ ΓΕΩΛΟΓΙΑΣ ΤΟΥ ΤΜΗΜΑΤΟΣ ΠΟΛΙΤΙΚΩΝ ΜΗΧΑΝΙΚΩΝ, ΣΥΝΕΒΑΛΛΕ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΟΓΚΩΣΗΣ ΤΩΝ ΗΦΑΙΣΤΙΤΩΝ."]},{"key":"dc:title","label":"Title","values":["Συμβολή στη μελέτη διόγκωσης ηφαιστιτών","CONTRIBUTION TO THE STUDY OF THE EXPANSION OF VOLCANIC ROCKS"]}]}],"canonical_facts":{"dc:creator":["Παπαθεοδώρου, Κωνσταντίνος"],"dc:date":["1991"],"dc:description":["THE EXPANSION OF PERLITE IS FOR THE GREEK INDUSTRY OF ROCKS AND MINERALS OF GREAT IMPORTANCE. THE REALIZATION OF THE PRESENT THESIS WITH REGARDS TO THE DEFINITION OF THE VARIOUS PARAMETERS AND THE WAY THAT THEY INFLUENCE THE PERLITE'S EXPANSION OFFERS THE POSSIBILITY OF EXTRACTING VALUABLE, FOR THE ABOVE INDUSTRY, CONCLUSIONS. DURING THE REALIZATION OF THE PRESENT THESIS TWO ORIGINAL APPARATUSES FOR THE COMPLETE CONTROL OF THE HEATING CONDITIONS AND THE ACCURATE MEASUREMENT OF THE DEGREE OF EXPANSION, WERE BUILT. THERE WERE ALSO COLLECTED PERLITE SAMPLES FROM NINE DIFFERENT PARTS OF GREECE, THE TREATMENT OF WHICH UNDER VARIOUS CONDITIONS BY MEANS OF THE ABOVE APPARATUSES CONTRIBUTED TO THE STUDY OF PERLITE'S EXPANSION.","ΕΞ'ΑΙΤΙΑΣ ΤΗΣ ΙΔΙΑΙΤΕΡΗΣ ΣΗΜΑΣΙΑΣ ΠΟΥ ΕΧΕΙ ΓΙΑ ΤΗΝ ΠΕΡΑΙΤΕΡΩ ΑΝΑΠΤΥΞΗ ΤΗΣ ΕΛΛΗΝΙΚΗΣ ΒΙΟΜΗΧΑΝΙΑΣ ΠΑΡΑΓΩΓΗΣ ΔΙΟΓΚΩΜΕΝΟΥ ΠΕΡΛΙΤΗ Η ΓΝΩΣΗ ΤΗΣ ΔΙΕΡΓΑΣΙΑΣ ΔΙΟΓΚΩΣΗΣΤΟΥ, ΠΡΑΓΜΑΤΟΠΟΙΗΘΗΚΕ Η ΠΑΡΟΥΣΑ ΔΙΑΤΡΙΒΗ ΠΡΟΚΕΙΜΕΝΟΥ ΝΑ ΠΡΟΣΔΙΟΡΙΣΤΟΥΝ ΟΙ ΔΙΑΦΟΡΟΙ ΠΑΡΑΓΟΝΤΕΣ, Ο ΤΡΟΠΟΣ ΜΕ ΤΟΝ ΟΠΟΙΟ ΑΥΤΟΙ ΕΠΗΡΡΕΑΖΟΥΝ ΤΗ ΔΙΟΓΚΩΣΗ ΤΩΝ ΠΕΡΛΙΤΩΝ (ΗΦΑΙΣΤΙΤΩΝ) ΚΑΙ ΝΑ ΕΞΑΧΘΟΥΝ ΧΡΗΣΙΜΑ, ΓΙΑ ΤΟΝ ΠΑΡΑΠΑΝΩ ΚΛΑΔΟ ΤΗΣ ΒΙΟΜΗΧΑΝΙΑΣΟΡΥΚΤΩΝ ΚΑΙ ΠΕΤΡΩΜΑΤΩΝ ΣΥΜΠΕΡΑΣΜΑΤΑ. ΣΤΑ ΠΛΑΙΣΙΑ ΤΗΣ ΕΡΓΑΣΙΑΣ ΑΥΤΗΣ, ΚΑΤΑΣΚΕΥΑΣΘΗΚΑΝ ΔΥΟ ΠΡΩΤΟΤΥΠΕΣ ΣΥΣΚΕΥΕΣ ΓΙΑ ΤΟΝ ΠΛΗΡΗ ΕΛΕΓΧΟ ΤΩΝ ΣΥΝΘΗΚΩΝ ΕΠΕΞΕΡΓΑΣΙΑΣ ΚΑΙ ΤΟΝ ΑΚΡΙΒΗ ΠΡΟΣΔΙΟΡΙΣΜΟ ΤΟΥ ΒΑΘΜΟΥ ΔΙΟΓΚΩΣΗΣ ΤΩΝ ΠΕΡΛΙΤΩΝ. ΓΙΑ ΤΙΣ ΑΝΑΓΚΕΣ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΕΠΙΣΗΣ, ΣΥΝΕΛΕΓΗΣΑΝ ΑΠΟ ΕΝΝΕΑ ΔΙΑΦΟΡΕΤΙΚΕΣ ΠΕΡΙΟΧΕΣ ΤΗΣ ΕΛΛΑΔΑΣ ΔΕΙΓΜΑΤΑ ΗΦΑΙΣΤΙΤΩΝ (ΠΕΡΛΙΤΩΝ), Η ΕΠΕΞΕΡΓΑΣΙΑ ΤΩΝ ΟΠΟΙΩΝ ΜΕ ΤΗ ΒΟΗΘΕΙΑ ΤΩΝ ΠΑΡΑΠΑΝΩ ΣΥΣΚΕΥΩΝ ΚΑΙ ΜΕ ΜΕΘΟΔΟΛΟΓΙΑ ΠΟΥ ΑΝΑΠΤΥΧΘΗΚΕ ΣΤΟ ΕΡΓΑΣΤΗΡΙΟ ΤΕΧΝΙΚΗΣ ΓΕΩΛΟΓΙΑΣ ΤΟΥ ΤΜΗΜΑΤΟΣ ΠΟΛΙΤΙΚΩΝ ΜΗΧΑΝΙΚΩΝ, ΣΥΝΕΒΑΛΛΕ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΟΓΚΩΣΗΣ ΤΩΝ ΗΦΑΙΣΤΙΤΩΝ."],"dc:identifier":["10.12681/eadd/1718","http://hdl.handle.net/10442/hedi/1718"],"dc:language":["gre"],"dc:publisher":["Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","Aristotle University Of Thessaloniki (AUTH)"],"dc:subject":["Expansion","PERLITE","Διόγκωση","ΠΕΡΛΙΤΗΣ","Engineering and Technology","Civil Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού"],"dc:title":["Συμβολή στη μελέτη διόγκωσης ηφαιστιτών","CONTRIBUTION TO THE STUDY OF THE EXPANSION OF VOLCANIC ROCKS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:05Z"}