Proposal for an experimental testing of bonding strength between mortar and brick

Geometry of mortar and brick construction in monumental masonry led to the development of a multitude of specimens for de-bonding strength of the two materials. All of them -overview in [3]-apply a tensile compression shear or a mixed mode loading condition on the bi-material specimens and use empirical fracture criteria, but they do not guarantee pure de-bo...

Πλήρης περίληψη

Αποθηκεύτηκε σε:
Κύριος συγγραφέας: Χατζητρύφων Νικόλαος Κ.
Συλλογικό Έργο: International symposium on the conservation of monuments in the Mediterranean, International Group on the Conservation of Monuments in the Mediterranean Basin (I.G.C.M.M.), Community of Mediterranean Univ., ΕΜΠ, European Commission - Directorate General X, Intern. Centr. of Mediterranean Studies, Νομαρχία Δωδεκανήσου, Δήμος Ρόδου, ΤΕΕ - Τμ. Δωδεκανήσου
Κατηγορία Υλικού: Εισήγηση συνεδρίου
Γλώσσα: Ιταλικά
Γλώσσα περίληψης: Αγγλικά
Στοιχεία έκδοσης: ΤΕΕ , 1997
Πηγή:Νέες αντιλήψεις, τεχνολογίες και υλικά για τη συντήρηση και διαχείριση ιστορικών πόλεων και συνόλων (4ο:1997:Ρόδος, Ελλάδα) / / A. Moropoulou, E. Zezza, E. Kollias, I. Papachristodoulou . τ.2
Θέματα:
Γενική θεματική ενότητα:ΤΕΧΝΟΛΟΓΙΑ ΥΛΙΚΩΝ
Διαδίκτυο:Το πλήρες κείμενο
Φυσική περιγραφή:vol.2, pp.103-113 : fig.
Βιβλιογραφία:Biblgr.:pp.112-113
Εκδότης:ΤΕΕ
Περίληψη:Geometry of mortar and brick construction in monumental masonry led to the development of a multitude of specimens for de-bonding strength of the two materials. All of them -overview in [3]-apply a tensile compression shear or a mixed mode loading condition on the bi-material specimens and use empirical fracture criteria, but they do not guarantee pure de-bonding. Moreover, their phenomenological theory is not able to explain a) why de-bonding usually appears along the interface of the two materials and b) the fracture procedure under environmental influences (humidity, pollution). Especially for monuments, an accurate knowledge of materials behaviour is important. The proposed specimen design is more deterministic, is able to give accurate stress and displacement conditions, is pliant to explain environmental fracture procedure and can be easily constructed. The design itself bases on the elastic fracture mechanics theory. According to this theory a body always contains defects, which are modelled as macro-or micro-cracks. This theory is able to express stresses and displacements around crack tips. For an interface crack a mathematical solution has been used witch is able to give pure tensional or shear de-bonding in the be-material interface for an appropriate relation of external applied loads. (AU)
ISBN:960-7018-59-1 (set)
960-7018-61-3 (τ.2)
Κωδικός DEWEY:691.5 - (Κονιαματα:Δομικα υλικα)
620.142 - (Πλινθοι:Αντοχη υλικων)
620.135 - (Τσιμεντο:Αντοχη υλικων (βλ.& 620.15))
DEWEY Γενικού θέματος:620.11 - (ΤΕΧΝΟΛΟΓΙΑ ΥΛΙΚΩΝ)