1,721,360 research outputs found
Structural Assessment of Late Neolithic Sa Covaccada Dolmen, Sardinia, Italy
No full textThe application of structural engineering tools to archaeological sites is unusual, while architects, archaeologists, and restorers are more commonly involved in these scenarios. Nevertheless, it can provide valuable indications for conservation and repair. This paper presents the structural assessment of the late Neolithic Sa Covaccada Dolmen, in Sardinia, Italy, regarded as a unicum in the Region and one of the most important megalithic monuments in the Mediterranean area. Due to severe material deterioration and extensive crack pattern, structural stability is a primary concern, yet it has not been assessed to date. To address this, both analytical rigid body analyses and 2D and 3D discrete element simulations were performed, contributing to an as challenging as fascinating multidisciplinary restoration project
An expeditious tool for the vulnerability assessment of masonry structures in post-earthquake reconstruction
No full textPost-earthquake reconstruction activities need tools for assessing the vulnerability of structures, based on visual inspection and quick survey. So far, the public administrations in charge of granting the funds and monitoring reconstruction have adopted different methods taken from scientific literature or developed ad hoc for specific events. The time is ripe for a standard method to be developed, treasuring from the lessons learned in the field. This paper proposes an expeditious tool based on visual survey for the assessment of the seismic vulnerability of unreinforced masonry buildings, starting from available methods, whose parameters were reassessed and recalibrated, and scientific evidence from recent literature. The influence of the main structural features was considered to calculate a vulnerability index in the 0–100 range. The effects of materials and arrangement of masonry were quantitatively evaluated through the masonry quality index, which represents an advancement with respect to current practice. The method was validated on a sample of 50 masonry aggregates and nearly 200 structural units of L’Aquila, Italy, where reconstruction is underway after a destructive earthquake in 2009. The sample is representative of the built heritage of other earthquake prone areas in Italy and many European Countries and the proposed method is a step forward the development of a standard tool to be used in future post-earthquake reconstruction scenarios
The mediating role of vulnerability factors in the association between attachment and internalizing/externalizing problems
No full textRecent research indicates that secure attachment is a protective factor against the development of internalizing / externalizing behavioral problems (Laible et al., 2000), while the role of insecure attachment is more controversial, raising the question of potential mediating variables (Brumariu & Kerns, 2010).
In literature it emerges how Blatt’s two-configurational model (self-definition and relatedness) correlates on the one hand with the attachment (Luyten & Blatt, 2011; Mikulincer & Shaver, 2007), and on the other with the internalizing / externalizing spectrum (e.g. Campos, Besser, Morgado, & Blatt, 2014). This research has explored the mediation effects of relatedness (dependency) and self-definition (self-criticism), in particular by assuming the mediating role of self-criticism. 316 high school students participated. To these students the Depressive Experiences Questionnaire for Adolescents (DEQ-A; Blatt, Schaffer, Bers, & Quinlan, 1992); the Youth Self-Report (YSR; Achenbach & Rescorla, 2001); the Attachment Style Questionnaire (ASQ; Feeney, Noller, & Hanrahan, 1994) were administrated. The results indicate a good fit for a model in which self-criticism particularly mediated the expected relations between avoidant attachment and externalizing problems. Secure attachment, through both dependency and self-criticism, negatively predicted I/E problems. Attachment had also direct relations with I/E problems. Finally, the internalizing and externalizing problems were correlated. The results are in line with the literature, confirming the
importance of considering mediating variables, such as self-criticism, between attachment and the I/E spectrum
Self-criticism, dependency, and borderline adolescents’ externalizing and internalizing problems
No full textNegative childhood experiences and borderline personality disorder features: the mediating role of attachment styles in nonclinical adolescents
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Signorie monastiche nella Sardegna medievale. Il priorato camaldolese di S. Nicola di Trullas
No full textASPETTI PSICOMETRICI DEL DEPRESSIVE EXPERIENCES QUESTIONNAIRE PER ADOLESCENTI (DEQ-A): IMPLICAZIONI PER LA DIAGNOSI E LA RICERCA
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