{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0570"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0570","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΘΕΩΡΗΤΙΚΗ ΚΑΙ ΠΕΙΡΑΜΑΤΙΚΗ ΜΕΛΕΤΗ ΠΡΟΒΛΗΜΑΤΩΝ ΡΩΓΜΩΝ ΣΕ ΣΥΝΘΕΤΕΣ ΠΛΑΚΕΣ","abstract":"IN THE THIRD CHAPTER OF THE PRESENT DISSERTATION IT WAS INVESTIGATED THE PROBLEM OF THE EVALUATION OF THE STRESS SINGULARITY OF A CRACK TERMINATED AT THE APEX OF A BIWEDGE, WHICH IS LOADED EITHER BY PRESCRIBED TRACTIONS OR DISPLACEMENTS. IN THE FOURTH CHAPTER, THE INFLUENCE OF A CIRCULAR INCLUSION ON THE PREVAILING STRESS STATE IN A CRACKED PLATE, WHICH IS SUBMITTED AT INFINITY TO BIAXIAL ANTIPLANE SHEAR, WAS CONSIDERED. IN THE FIFTH CHAPTER, UTILIZING TO MATHEMATICAL THEORY OF ELASTICITY OF MUSKHELISHVILI, THE INTERACTION BETWEEN TWO UNEQUAL FINITE-LENGTH CRACKS AND AN INCLUSION IN A PLATE, WHICH IS SUBJECTED TO BIAXIAL ANTIPLANE SHEAR AT INFINITY, WAS CONSIDERED. IN THE SIXTH CHAPTER, THE CHARACTERISTICS OF THE FAILURE PROCESS IN A COMPOSITE PLATE CONSISTING OF AN INCLUSION SURROUNDED BY THE MATRIX, DUE TO A FAST RUNNING EDGE CRACK TOWARDS THEINCLUSION, WERE STUDIED. IN THE SEVENTH CHAPTER, SEN-PMMA PLATES WITH SIZED SOFT CIRCULAR ANNULI INSIDE THE MATRIX WERE SUBJECTED TO STATIC OR DYNAMIC TENSILE LOADINGS. THE INFLUENCE OF THE DUCTILE ANNULUS ON THE PROPAGATION OF THE INITIAL EDGE CRACK AS WELL AS ON THE VARIATION OF TOUGHNESS AT DIFFERENT STRAIN- RATES WAS INVESTIGATED. FINALLY, IN THE EIGHTTH CHAPTER THE MORE GENERAL PROBLEM OF THE PROPAGATION OF AN EDGE CRACK AND INTERACTION BETWEEN TWO SKEW-PARALLEL EDGE CRACKS IN PLATES CONTAINING MORE THAN ONE GLASS INCLUSIONS RANDOMLY DISTRIBUTED INSIDE A DUCTILE MATRIX, WERE CONSIDERED.","abstract_html":"IN THE THIRD CHAPTER OF THE PRESENT DISSERTATION IT WAS INVESTIGATED THE PROBLEM OF THE EVALUATION OF THE STRESS SINGULARITY OF A CRACK TERMINATED AT THE APEX OF A BIWEDGE, WHICH IS LOADED EITHER BY PRESCRIBED TRACTIONS OR DISPLACEMENTS. IN THE FOURTH CHAPTER, THE INFLUENCE OF A CIRCULAR INCLUSION ON THE PREVAILING STRESS STATE IN A CRACKED PLATE, WHICH IS SUBMITTED AT INFINITY TO BIAXIAL ANTIPLANE SHEAR, WAS CONSIDERED. IN THE FIFTH CHAPTER, UTILIZING TO MATHEMATICAL THEORY OF ELASTICITY OF MUSKHELISHVILI, THE INTERACTION BETWEEN TWO UNEQUAL FINITE-LENGTH CRACKS AND AN INCLUSION IN A PLATE, WHICH IS SUBJECTED TO BIAXIAL ANTIPLANE SHEAR AT INFINITY, WAS CONSIDERED. IN THE SIXTH CHAPTER, THE CHARACTERISTICS OF THE FAILURE PROCESS IN A COMPOSITE PLATE CONSISTING OF AN INCLUSION SURROUNDED BY THE MATRIX, DUE TO A FAST RUNNING EDGE CRACK TOWARDS THEINCLUSION, WERE STUDIED. IN THE SEVENTH CHAPTER, SEN-PMMA PLATES WITH SIZED SOFT CIRCULAR ANNULI INSIDE THE MATRIX WERE SUBJECTED TO STATIC OR DYNAMIC TENSILE LOADINGS. THE INFLUENCE OF THE DUCTILE ANNULUS ON THE PROPAGATION OF THE INITIAL EDGE CRACK AS WELL AS ON THE VARIATION OF TOUGHNESS AT DIFFERENT STRAIN- RATES WAS INVESTIGATED. FINALLY, IN THE EIGHTTH CHAPTER THE MORE GENERAL PROBLEM OF THE PROPAGATION OF AN EDGE CRACK AND INTERACTION BETWEEN TWO SKEW-PARALLEL EDGE CRACKS IN PLATES CONTAINING MORE THAN ONE GLASS INCLUSIONS RANDOMLY DISTRIBUTED INSIDE A DUCTILE MATRIX, WERE CONSIDERED.","abstract_has_math":false,"creators":["Demakos, Constantinos","Δημάκος, Κωνσταντίνος"],"institution":"National Technical University of Athens (NTUA)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1987,"date_issued":"1987","date_published":"1987","updated_at":"2026-07-24T02:25:21Z","subjects":["ANNULUS","ANTIPLANE","Composite","Inclusion","Shear","Singularities","Stress","Wedges","ΑΝΤΙΕΠΙΠΕΔΗ","Δακτύλιοι","Διάτμηση","ΔΥΝΑΜΙΚΑ","ΕΓΚΛΕΙΣΜΑ","Ιδιομορφία","ΚΑΥΣΤΙΚΗ","Ρωγμές","ΣΤΕΡΡΟΤΗΤΑ","ΣΥΝΘΕΤΟ","Σφήνα","Τάση","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού","Φυσικές Επιστήμες","Φυσική","Engineering and Technology","Civil Engineering","Natural Sciences","Physical Sciences"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0570"],"render_values":[{"text":"10.12681/eadd/0570","href":"https://doi.org/10.12681/eadd/0570","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0570","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Demakos, Constantinos","Δημάκος, Κωνσταντίνος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1987"]},{"key":"dc:publisher","label":"Institution","values":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ANNULUS","ANTIPLANE","Composite","Inclusion","Shear","Singularities","Stress","Wedges","ΑΝΤΙΕΠΙΠΕΔΗ","Δακτύλιοι","Διάτμηση","ΔΥΝΑΜΙΚΑ","ΕΓΚΛΕΙΣΜΑ","Ιδιομορφία","ΚΑΥΣΤΙΚΗ","Ρωγμές","ΣΤΕΡΡΟΤΗΤΑ","ΣΥΝΘΕΤΟ","Σφήνα","Τάση","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού","Φυσικές Επιστήμες","Φυσική","Engineering and Technology","Civil Engineering","Natural Sciences","Physical Sciences"]}]},{"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/0570","http://hdl.handle.net/10442/hedi/0570"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["IN THE THIRD CHAPTER OF THE PRESENT DISSERTATION IT WAS INVESTIGATED THE PROBLEM OF THE EVALUATION OF THE STRESS SINGULARITY OF A CRACK TERMINATED AT THE APEX OF A BIWEDGE, WHICH IS LOADED EITHER BY PRESCRIBED TRACTIONS OR DISPLACEMENTS. IN THE FOURTH CHAPTER, THE INFLUENCE OF A CIRCULAR INCLUSION ON THE PREVAILING STRESS STATE IN A CRACKED PLATE, WHICH IS SUBMITTED AT INFINITY TO BIAXIAL ANTIPLANE SHEAR, WAS CONSIDERED. IN THE FIFTH CHAPTER, UTILIZING TO MATHEMATICAL THEORY OF ELASTICITY OF MUSKHELISHVILI, THE INTERACTION BETWEEN TWO UNEQUAL FINITE-LENGTH CRACKS AND AN INCLUSION IN A PLATE, WHICH IS SUBJECTED TO BIAXIAL ANTIPLANE SHEAR AT INFINITY, WAS CONSIDERED. IN THE SIXTH CHAPTER, THE CHARACTERISTICS OF THE FAILURE PROCESS IN A COMPOSITE PLATE CONSISTING OF AN INCLUSION SURROUNDED BY THE MATRIX, DUE TO A FAST RUNNING EDGE CRACK TOWARDS THEINCLUSION, WERE STUDIED. IN THE SEVENTH CHAPTER, SEN-PMMA PLATES WITH SIZED SOFT CIRCULAR ANNULI INSIDE THE MATRIX WERE SUBJECTED TO STATIC OR DYNAMIC TENSILE LOADINGS. THE INFLUENCE OF THE DUCTILE ANNULUS ON THE PROPAGATION OF THE INITIAL EDGE CRACK AS WELL AS ON THE VARIATION OF TOUGHNESS AT DIFFERENT STRAIN- RATES WAS INVESTIGATED. FINALLY, IN THE EIGHTTH CHAPTER THE MORE GENERAL PROBLEM OF THE PROPAGATION OF AN EDGE CRACK AND INTERACTION BETWEEN TWO SKEW-PARALLEL EDGE CRACKS IN PLATES CONTAINING MORE THAN ONE GLASS INCLUSIONS RANDOMLY DISTRIBUTED INSIDE A DUCTILE MATRIX, WERE CONSIDERED.","ΣΤΟ ΤΡΙΤΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΠΑΡΟΥΣΑΣ ΔΙΑΤΡΙΒΗΣ ΜΕΛΕΤΗΘΗΚΕ Ο ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΤΗΣ ΤΑΣΙΚΗΣ ΙΔΙΟΜΟΡΦΙΑΣ ΜΙΑΣ ΡΩΓΜΗΣ, ΠΟΥ ΤΕΡΜΑΤΙΖΕΤΑΙ ΣΤΗΝ ΚΟΡΥΦΗ ΔΙΣΦΗΝΟΥ, ΠΟΥ ΦΟΡΤΙΖΕΤΑΙ ΕΙΤΕ ΜΕ ΚΑΘΟΡΙΣΜΕΝΑ ΦΟΡΤΙΑ # ΜΕΤΑΤΟΠΙΣΕΙΣ. ΣΤΟ ΤΕΤΑΡΤΟ ΚΕΦΑΛΑΙΟ, Η ΕΠΙΡΡΟΗΕΝΟΣ ΚΥΚΛΙΚΟΥ ΕΓΚΛΕΙΣΜΑΤΟΣ ΣΤΗΝ ΕΠΙΚΡΑΤΟΥΣΑ ΕΝΤΑΤΙΚΗ ΚΑΤΑΣΤΑΣΗ ΣΕ ΜΙΑ ΡΗΓΜΑΤΩΜΕΝΗ ΠΛΑΚΑ, ΠΟΥ ΥΠΟΒΑΛΛΕΤΑΙ ΣΕ ΔΙΑΞΟΝΙΚΗ ΑΝΤΙΕΠΙΠΕΔΗ ΔΙΑΤΜΙΣΗ ΣΤΟ ΑΠΕΙΡΟ ΔΙΕΡΕΥΝΗΘΗΚΕ. ΣΤΟ ΠΕΜΠΤΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΧΡΗΣΙΜΟΠΟΙΩΝΤΑΣ ΤΗΝ ΜΑΘΗΜΑΤΙΚΗ ΘΕΩΡΙΑ ΕΛΑΣΤΙΚΟΤΗΤΑΣ ΤΟΥ MUSKHELISHVILI, ΔΙΕΡΕΥΝΗΘΗΚΕ Η ΑΛΛΗΛΕΠΙΔΡΑΣΗ ΔΥΟ ΑΝΙΣΩΝ ΕΣΩΤΕΡΙΚΩΝ ΡΩΓΜΩΝ ΚΑΙ ΕΝΟΣ ΕΓΚΛΕΙΣΜΑΤΟΣ ΣΕ ΜΙΑ ΠΛΑΚΑ, ΠΟΥ ΥΠΟΒΑΛΛΕΤΑΙ ΣΕ ΔΙΑΞΟΝΙΚΗ ΑΝΤΙΕΠΙΠΕΔΗ ΔΙΑΤΜΙΣΗ ΣΤΟ ΑΠΕΙΡΟ. ΣΤΟ ΕΚΤΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ, ΜΕΛΕΤΗΘΗΚΑΝ ΤΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΗΣ ΑΣΤΟΧΙΑΣ ΜΙΑΣ ΣΥΝΘΕΤΗΣ ΠΛΑΚΑΣ, ΠΟΥ ΠΕΡΙΕΧΕΙ ΕΝΑ ΕΓΚΛΕΙΣΜΑ ΠΕΡΙΒΑΛΛΟΜΕΝΟ ΑΠΟ ΤΗΝ ΜΗΤΡΑ, ΛΟΓΩ ΜΙΑΣ ΤΑΧΕΩΣ ΚΙΝΟΥΜΕΝΗΣ ΡΩΓΜΗΣ ΠΡΟΣ ΤΟΕΓΚΛΕΙΣΜΑ. ΣΤΟ ΕΒΔΟΜΟ ΚΕΦΑΛΑΙΟ ΜΟΝΟΡΩΓΜΑΤΩΤΕΣ ΠΛΑΚΕΣ ΑΠΟ ΠΛΕΞΙΓΛΑΣ ΜΕ ΚΟΛΛΗΜΕΝΟΥΣ ΟΛΚΙΜΟΥΣ ΔΑΚΤΗΛΙΟΥΣ ΑΠΟ ΡΗΤΙΝΗ ΣΤΗΝ ΜΗΤΡΑ ΥΠΟΒΛΗΘΗΚΑΝ ΣΕ ΣΤΑΤΙΚΑ 'Η ΔΥΝΑΜΙΚΑ ΕΦΕΛΚΥΣΤΙΚΑ ΦΟΡΤΙΑ. Η ΕΠΙΡΡΟΗ ΤΟΥ ΟΛΚΙΜΟΥ ΔΑΚΤΥΛΙΟΥ ΤΟΣΟ ΣΤΗΝ ΔΙΑΔΟΣΗ ΜΙΑΣ ΑΚΡΑΙΑΣ ΡΩΓΜΗΣ ΟΣΟ ΚΑΙ ΣΤΗΝ ΣΤΕΡΡΟΤΗΤΑ ΣΕ ΔΙΑΦΟΡΕΤΙΚΟΥΣ ΡΥΘΜΟΥΣ ΠΑΡΑΜΟΡΦΩΣΕΩΣ ΜΕΛΕΤΗΘΗΚΕ Σ'ΑΥΤΟ ΤΟ ΚΕΦΑΛΑΙΟ. ΤΕΛΟΣ, ΣΤΟ ΟΓΔΟΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΜΕΛΕΤΗΘΗΚΕ ΤΟ ΓΕΝΙΚΟΤΕΡΟ ΠΡΟΒΛΗΜΑ ΤΗΣ ΔΙΑΔΟΣΕΩΣ ΜΙΑΣ ΑΚΡΑΙΑΣ ΡΩΓΜΗΣ ΚΑΙ ΤΗΣ ΑΛΛΗΛΕΠΙΔΡΑΣΕΩΣ ΜΕΤΑΞΥ ΔΥΟ ΕΚΚΕΝΤΡΩΝ ΠΑΡΑΛΛΗΛΩΝ-ΑΚΡΑΙΩΝ ΡΩΓΜΩΝ ΣΕ ΠΛΑΚΕΣ, ΠΟΥ ΠΕΡΙΕΧΟΥΝ ΠΕΡΙΣΣΟΤΕΡΑ ΑΠΟ ΕΝΑ ΓΥΑΛΙΝΑ ΣΦΑΙΡΙΚΑ ΕΓΚΛΕΙΣΜΑΤΑ ΤΥΧΑΙΑ ΚΑΤΑΝΕΜΗΜΕΝΑ ΕΝΤΟΣΤΗΣ ΟΛΚΙΜΗΣ ΜΗΤΡΑΣ."]},{"key":"dc:title","label":"Title","values":["ΘΕΩΡΗΤΙΚΗ ΚΑΙ ΠΕΙΡΑΜΑΤΙΚΗ ΜΕΛΕΤΗ ΠΡΟΒΛΗΜΑΤΩΝ ΡΩΓΜΩΝ ΣΕ ΣΥΝΘΕΤΕΣ ΠΛΑΚΕΣ","THEORETICAL AND EXPERIMENTAL STUDY OF CRACK PROBLEMS ON COMPOSITE PLATES"]}]}],"canonical_facts":{"dc:creator":["Demakos, Constantinos","Δημάκος, Κωνσταντίνος"],"dc:date":["1987"],"dc:description":["IN THE THIRD CHAPTER OF THE PRESENT DISSERTATION IT WAS INVESTIGATED THE PROBLEM OF THE EVALUATION OF THE STRESS SINGULARITY OF A CRACK TERMINATED AT THE APEX OF A BIWEDGE, WHICH IS LOADED EITHER BY PRESCRIBED TRACTIONS OR DISPLACEMENTS. IN THE FOURTH CHAPTER, THE INFLUENCE OF A CIRCULAR INCLUSION ON THE PREVAILING STRESS STATE IN A CRACKED PLATE, WHICH IS SUBMITTED AT INFINITY TO BIAXIAL ANTIPLANE SHEAR, WAS CONSIDERED. IN THE FIFTH CHAPTER, UTILIZING TO MATHEMATICAL THEORY OF ELASTICITY OF MUSKHELISHVILI, THE INTERACTION BETWEEN TWO UNEQUAL FINITE-LENGTH CRACKS AND AN INCLUSION IN A PLATE, WHICH IS SUBJECTED TO BIAXIAL ANTIPLANE SHEAR AT INFINITY, WAS CONSIDERED. IN THE SIXTH CHAPTER, THE CHARACTERISTICS OF THE FAILURE PROCESS IN A COMPOSITE PLATE CONSISTING OF AN INCLUSION SURROUNDED BY THE MATRIX, DUE TO A FAST RUNNING EDGE CRACK TOWARDS THEINCLUSION, WERE STUDIED. IN THE SEVENTH CHAPTER, SEN-PMMA PLATES WITH SIZED SOFT CIRCULAR ANNULI INSIDE THE MATRIX WERE SUBJECTED TO STATIC OR DYNAMIC TENSILE LOADINGS. THE INFLUENCE OF THE DUCTILE ANNULUS ON THE PROPAGATION OF THE INITIAL EDGE CRACK AS WELL AS ON THE VARIATION OF TOUGHNESS AT DIFFERENT STRAIN- RATES WAS INVESTIGATED. FINALLY, IN THE EIGHTTH CHAPTER THE MORE GENERAL PROBLEM OF THE PROPAGATION OF AN EDGE CRACK AND INTERACTION BETWEEN TWO SKEW-PARALLEL EDGE CRACKS IN PLATES CONTAINING MORE THAN ONE GLASS INCLUSIONS RANDOMLY DISTRIBUTED INSIDE A DUCTILE MATRIX, WERE CONSIDERED.","ΣΤΟ ΤΡΙΤΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΠΑΡΟΥΣΑΣ ΔΙΑΤΡΙΒΗΣ ΜΕΛΕΤΗΘΗΚΕ Ο ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΤΗΣ ΤΑΣΙΚΗΣ ΙΔΙΟΜΟΡΦΙΑΣ ΜΙΑΣ ΡΩΓΜΗΣ, ΠΟΥ ΤΕΡΜΑΤΙΖΕΤΑΙ ΣΤΗΝ ΚΟΡΥΦΗ ΔΙΣΦΗΝΟΥ, ΠΟΥ ΦΟΡΤΙΖΕΤΑΙ ΕΙΤΕ ΜΕ ΚΑΘΟΡΙΣΜΕΝΑ ΦΟΡΤΙΑ # ΜΕΤΑΤΟΠΙΣΕΙΣ. ΣΤΟ ΤΕΤΑΡΤΟ ΚΕΦΑΛΑΙΟ, Η ΕΠΙΡΡΟΗΕΝΟΣ ΚΥΚΛΙΚΟΥ ΕΓΚΛΕΙΣΜΑΤΟΣ ΣΤΗΝ ΕΠΙΚΡΑΤΟΥΣΑ ΕΝΤΑΤΙΚΗ ΚΑΤΑΣΤΑΣΗ ΣΕ ΜΙΑ ΡΗΓΜΑΤΩΜΕΝΗ ΠΛΑΚΑ, ΠΟΥ ΥΠΟΒΑΛΛΕΤΑΙ ΣΕ ΔΙΑΞΟΝΙΚΗ ΑΝΤΙΕΠΙΠΕΔΗ ΔΙΑΤΜΙΣΗ ΣΤΟ ΑΠΕΙΡΟ ΔΙΕΡΕΥΝΗΘΗΚΕ. ΣΤΟ ΠΕΜΠΤΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΧΡΗΣΙΜΟΠΟΙΩΝΤΑΣ ΤΗΝ ΜΑΘΗΜΑΤΙΚΗ ΘΕΩΡΙΑ ΕΛΑΣΤΙΚΟΤΗΤΑΣ ΤΟΥ MUSKHELISHVILI, ΔΙΕΡΕΥΝΗΘΗΚΕ Η ΑΛΛΗΛΕΠΙΔΡΑΣΗ ΔΥΟ ΑΝΙΣΩΝ ΕΣΩΤΕΡΙΚΩΝ ΡΩΓΜΩΝ ΚΑΙ ΕΝΟΣ ΕΓΚΛΕΙΣΜΑΤΟΣ ΣΕ ΜΙΑ ΠΛΑΚΑ, ΠΟΥ ΥΠΟΒΑΛΛΕΤΑΙ ΣΕ ΔΙΑΞΟΝΙΚΗ ΑΝΤΙΕΠΙΠΕΔΗ ΔΙΑΤΜΙΣΗ ΣΤΟ ΑΠΕΙΡΟ. ΣΤΟ ΕΚΤΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ, ΜΕΛΕΤΗΘΗΚΑΝ ΤΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΗΣ ΑΣΤΟΧΙΑΣ ΜΙΑΣ ΣΥΝΘΕΤΗΣ ΠΛΑΚΑΣ, ΠΟΥ ΠΕΡΙΕΧΕΙ ΕΝΑ ΕΓΚΛΕΙΣΜΑ ΠΕΡΙΒΑΛΛΟΜΕΝΟ ΑΠΟ ΤΗΝ ΜΗΤΡΑ, ΛΟΓΩ ΜΙΑΣ ΤΑΧΕΩΣ ΚΙΝΟΥΜΕΝΗΣ ΡΩΓΜΗΣ ΠΡΟΣ ΤΟΕΓΚΛΕΙΣΜΑ. ΣΤΟ ΕΒΔΟΜΟ ΚΕΦΑΛΑΙΟ ΜΟΝΟΡΩΓΜΑΤΩΤΕΣ ΠΛΑΚΕΣ ΑΠΟ ΠΛΕΞΙΓΛΑΣ ΜΕ ΚΟΛΛΗΜΕΝΟΥΣ ΟΛΚΙΜΟΥΣ ΔΑΚΤΗΛΙΟΥΣ ΑΠΟ ΡΗΤΙΝΗ ΣΤΗΝ ΜΗΤΡΑ ΥΠΟΒΛΗΘΗΚΑΝ ΣΕ ΣΤΑΤΙΚΑ 'Η ΔΥΝΑΜΙΚΑ ΕΦΕΛΚΥΣΤΙΚΑ ΦΟΡΤΙΑ. Η ΕΠΙΡΡΟΗ ΤΟΥ ΟΛΚΙΜΟΥ ΔΑΚΤΥΛΙΟΥ ΤΟΣΟ ΣΤΗΝ ΔΙΑΔΟΣΗ ΜΙΑΣ ΑΚΡΑΙΑΣ ΡΩΓΜΗΣ ΟΣΟ ΚΑΙ ΣΤΗΝ ΣΤΕΡΡΟΤΗΤΑ ΣΕ ΔΙΑΦΟΡΕΤΙΚΟΥΣ ΡΥΘΜΟΥΣ ΠΑΡΑΜΟΡΦΩΣΕΩΣ ΜΕΛΕΤΗΘΗΚΕ Σ'ΑΥΤΟ ΤΟ ΚΕΦΑΛΑΙΟ. ΤΕΛΟΣ, ΣΤΟ ΟΓΔΟΟ ΚΕΦΑΛΑΙΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΜΕΛΕΤΗΘΗΚΕ ΤΟ ΓΕΝΙΚΟΤΕΡΟ ΠΡΟΒΛΗΜΑ ΤΗΣ ΔΙΑΔΟΣΕΩΣ ΜΙΑΣ ΑΚΡΑΙΑΣ ΡΩΓΜΗΣ ΚΑΙ ΤΗΣ ΑΛΛΗΛΕΠΙΔΡΑΣΕΩΣ ΜΕΤΑΞΥ ΔΥΟ ΕΚΚΕΝΤΡΩΝ ΠΑΡΑΛΛΗΛΩΝ-ΑΚΡΑΙΩΝ ΡΩΓΜΩΝ ΣΕ ΠΛΑΚΕΣ, ΠΟΥ ΠΕΡΙΕΧΟΥΝ ΠΕΡΙΣΣΟΤΕΡΑ ΑΠΟ ΕΝΑ ΓΥΑΛΙΝΑ ΣΦΑΙΡΙΚΑ ΕΓΚΛΕΙΣΜΑΤΑ ΤΥΧΑΙΑ ΚΑΤΑΝΕΜΗΜΕΝΑ ΕΝΤΟΣΤΗΣ ΟΛΚΙΜΗΣ ΜΗΤΡΑΣ."],"dc:identifier":["10.12681/eadd/0570","http://hdl.handle.net/10442/hedi/0570"],"dc:language":["gre"],"dc:publisher":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"],"dc:subject":["ANNULUS","ANTIPLANE","Composite","Inclusion","Shear","Singularities","Stress","Wedges","ΑΝΤΙΕΠΙΠΕΔΗ","Δακτύλιοι","Διάτμηση","ΔΥΝΑΜΙΚΑ","ΕΓΚΛΕΙΣΜΑ","Ιδιομορφία","ΚΑΥΣΤΙΚΗ","Ρωγμές","ΣΤΕΡΡΟΤΗΤΑ","ΣΥΝΘΕΤΟ","Σφήνα","Τάση","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού","Φυσικές Επιστήμες","Φυσική","Engineering and Technology","Civil Engineering","Natural Sciences","Physical Sciences"],"dc:title":["ΘΕΩΡΗΤΙΚΗ ΚΑΙ ΠΕΙΡΑΜΑΤΙΚΗ ΜΕΛΕΤΗ ΠΡΟΒΛΗΜΑΤΩΝ ΡΩΓΜΩΝ ΣΕ ΣΥΝΘΕΤΕΣ ΠΛΑΚΕΣ","THEORETICAL AND EXPERIMENTAL STUDY OF CRACK PROBLEMS ON COMPOSITE PLATES"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:21Z"}