492 research outputs found

    L'Amministrazione dei beni come spazio di libertà per l'ordinamento canonico

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    “The administration of the temporal goods as a space of liberty for the Canonical legal system.” is both the title and the subject matter of this doctoral thesis. The topic, which represents a clear example of res mixtae, is analyzed from the perspective of the Canonical legal system, seeking to give an original and complete review of the juridical terms by means of which the Catholic Church vindicates for itself the right to administrate its temporal goods. The analysis starts from the Canon 1254 of the current Codex Iuris Canonici, which recognizes the ius pubblicum ecclesiasticum principle according to which the Catholic Church by innate right is able to acquire, retain, administer and alienate temporal goods in order to pursue its proper purposes In particular, this provision is considered under the profile of the historical evolution that led to the current wording as well as in its dogmatic meaning and in the implications with the current Canonical legal system. After having defined – through the analysis of this provision – the space of patrimonial freedom that the Catholic Church asks for itself, the thesis deals with the provisions of the Book V, Title II of the Codex Iuris Canonici, which are dedicated to the administration of the temporal goods belonging to the Catholic Church. Firstly it considers the subjects involved at any title in the administration of ecclesiastical goods (such as the Roman Pontiff, the Ordinary, the Immediate Administrator, the finance officer, the finance council and the conference of bishops). Secondly it pays attention to the different acts of administration (transactions which can worsen the stable patrimony of the owner legal entity, acts of ordinary and extraordinary administration, maioris momenti acts). Finally, the thesis deals with the pathology of the acts of administration in the Canonical legal system, with regard both to the effects of the invalidity and the deriving responsibility, and with the relationships between the provisions of the Title II and the Italian legal system

    A chemo-thermo-damage model for the analysis of concrete dams affected by alkali-silica reaction

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    A chemo-thermo-damage model is proposed to simulate the swelling and the deterioration of local stiffness and strength in concrete due to the alkali-aggregate reaction (AAR). Concrete affected by AAR is conceived as a two-phase heterogeneous material constituted by the expanding gel and by the homogenized concrete skeleton. The micro-cracking produced by the gel expansion is taken into account by means of an isotropic damage model based on the definition of two scalar damage variables, one for stress states of prevailing tension and the other for compression. The developed model is validated on the basis of multiaxial accelerated laboratory tests performed on small specimens of reactive concrete, and documented in the recent literature. The model has been implemented in the finite element code Abaqus and has been used to simulate the response of two concrete gravity dams subjected to service loading and to chemo-physical deterioration. The obtained results show that the developed model can be used to predict the damage evolution within the dams and the consequent progressive reduction of their bearing capacity

    Mitogenomes from Two Uncommon Haplogroups Mark Late Glacial/Postglacial Expansions from the Near East and Neolithic Dispersals within Europe

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    The current human mitochondrial (mtDNA) phylogeny does not equally represent all human populations but is biased in favour of representatives originally from north and central Europe. This especially affects the phylogeny of some uncommon West Eurasian haplogroups, including I and W, whose southern European and Near Eastern components are very poorly represented, suggesting that extensive hidden phylogenetic substructure remains to be uncovered. This study expanded and re-analysed the available datasets of I and W complete mtDNA genomes, reaching a comprehensive 419 mitogenomes, and searched for precise correlations between the ages and geographical distributions of their numerous newly identified subclades with events of human dispersal which contributed to the genetic formation of modern Europeans. Our results showed that haplogroups I (within N1a1b) and W originated in the Near East during the Last Glacial Maximum or pre-warming period (the period of gradual warming between the end of the LGM, ~19 ky ago, and the beginning of the first main warming phase, ~15 ky ago) and, like the much more common haplogroups J and T, may have been involved in Late Glacial expansions starting from the Near East. Thus our data contribute to a better definition of the Late and postglacial re-peopling of Europe, providing further evidence for the scenario that major population expansions started after the Last Glacial Maximum but before Neolithic times, but also evidencing traces of diffusion events in several I and W subclades dating to the European Neolithic and restricted to Europe

    An industry oriented strategy for the finite element simulation of paperboard creasing and folding

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    The numerical simulation of paperboard creasing and folding processes is of increasing importance for the Q3 design and production of safe and reliable packaging systems. The extreme material anisotropy and the complexity of these processes require however simulation capabilities which are seldom available in commercial codes. Several approaches have been proposed in the literature over the years, in most cases making use of non-linear material models developed ad hoc for this purpose. These models, some of which are very effective and accurate, are not in general available in commercial codes and are often based on the definition of a large number of parameters. In this paper, the possibility to obtain acceptable, first-hand simulation results using only features already available in a commercial code is investigated. An advanced continuum constitutive model, recently presented in the literature, has been used as a reference for tuning the model and for assessing its accuracy. It is shown how standard features, usually available in state-of-the-art commercial codes, can be employed to deal with the extreme material anisotropy, obtaining qualitatively good results in both the creasing and folding phases. The used standard model accounts for the extremely high anisotropy by means of embedded shell elements, playing the role of reinforcements in the fibre direction. The matrix is assumed to be isotropic and elastoplastic, with properties determined based on the behaviour in the thickness direction. The adopted plasticity model is a modified Drucker-Prager model with a cutoff on the tensile pressure side, available in the used commercial code. The procedure adopted for the identification of the small number of required material parameters is also discussed

    Recupero edilizio e nuova costruzione. Non solo risparmio energetico. Importanza della valutazione della fattibilità applicativa a monte della modellazione energetica

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    The expressions ‘low environmental impact’ and ‘energy efficiency’ mean much more than ‘compliance to regulation and technical specifications’ (89/106/ EEC, article 4). Nowadays, solutions implemented in actions on buildings at least have to comply with regulatory values or parameters with reference to a specific time outlook. This is due to policies and guidelines issued at several levels, starting from the European one to get to the local one, promoting: for new buildings, reviews of design processes so as to create sustainable buildings providing for high-quality housing, for existing buildings, reviews on as-built assets so as to limit energy consumption. Designers selecting potentially applicable ‘sustainable’ technologies should not only assess their profiles in terms of energy and performance which, of course, are essential. Together with the abovementioned issues, in addition to convenience, critical points and viability constraints should be reasonably taken into account during the selection process. For this purpose, some ideas are introduced in form of a journalistic discourse, which, according to the author, can be useful to those designers who have to select from different ranges of viable technological solutions, both based on traditional building practices and on new or emerging practices

    Convenience in Funding Upgrading Works

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    With reference to upgrading actions on existing building stock, Construction Procurement Guidance, No.7 Whole Life Costs (Office of Government Commerce) states: ‘All procurement must be made solely on the basis of value for money in terms of the optimum combination of global costs and quality to meet the user’s requirements’. Cash-flow analyses allow showing the economic value of investments for alternative technological upgrading works extended all along their service lives. Optimisation of choices is not only a matter of cash-flow analyses—choices should not be made only according to the lowest costs but also considering several aspects that can be brought back to the concept of ‘technical-sustainable value’, which mainly derives from competent functional and environmental assessments of the reference analysis system. The mentioned interrelation should theoretically be adequately considered but this is seldom the case in the common building practice. Cost estimate for an engineered system has to entail much more detailed analyses on costs, energy, sustainability and technologies. Possible technological solutions would be convenient in terms of technological/technical utility, but less convenient in monetary terms for the funding subject. Under the economic point of view, cash outflow means less economic convenience in funding a given technology. All that stated above, nowadays effective data-display global cost-quality indicators are rarely available in literature. The present manuscript introduces to the reader fundamentals of an economic tool proposal designed by the author with the use of synthetically displaying interrelations between cash-flow scenarios and quality-sustainability in upgrading processes on existing buildings. Fundamentals have been tested on a reference case study. Then, fundamentals have been contextualized to the Italian Legislative framework: in Italy, in multi-owner existing residential buildings, expenditure allocation is carried out based on thousandths. The thousandth type to be considered is due to the configuration of the case under review and to balance-sheet expenditure to be allocated to owners. Property thousandths allocated to housing units have been used to allocate expenses for technological/energy upgrading works. The author has tried to find out the amount of a possible bank investment that a user might start at building Time ‘0’ to theoretically clear possible economic losses, trying to highlight technical utility of the technological solution that would be disadvantaged in economic terms. ‘Neutral’ mathematical finance formulas have been used to calculate the theoretical capital to be invested by an owner based on the reference cash-flow scenario. Conclusion will be drawn at the end of the manuscript
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