Modelling Uncertainties of Italian Code-Conforming Structures for the Purpose of Seismic Response Analysis

ABSTRACT

This paper describes the multivariate statistical model of the structure-related modelling uncertainty, developed with reference to reinforced concrete, masonry, steel, and seismically isolated buildings, within the framework of the RINTC project. The model describes the variability of material properties as well as the uncertainty associated with the adopted response models. Specific aspects of each structural typology are also discussed, with a focus on the statistical dependence of the random variables in the model. Finally, the paper describes also the efficient sampling procedure adopted. Effect of model uncertainty on response for each typology are discussed in the corresponding papers within this special issue dedicated to the RINTC project.     

Archeometric characterization of prehistoric grindstones from Milazzo Bronze Age settlement (Sicily,Italy)

The results of a petrographic and geochemical study carried out on archeological grindstones allow to provide new constraints on protohistoric commercial exchanges over the Mediterranean area. Eleven grindstones, discovered in an archeological site located in Milazzo (Messina, Sicily) and dated from the Early Bronze Age, have been investigated by geochemical and petrographic techniques. The raw materials are mainly volcanic rocks characterized by calc-alkaline and K-alkaline affinities with volcanic arc geochemical signature. Only one sample, made of basalt belonging to the Na-alkaline series, shows an intraplate signature. The comparison with the available literature data for similar rocks allowed constraining the volcanic origin of the exploited lavas. While the intraplate-type raw material came from Mt. Etna Volcano (Sicily), the arc-type volcanic rocks are mostly trachyandesites, basaltic andesites, and one rhyolite. Although most of them come from the Aeolian Arc, a provenance of some samples from the Aegean Arc cannot be excluded. This last region could represent the most probable provenance area for the rhyolite sample.     

Success of a flexible behavior. Considerations on the manufacture of Late Epigravettian lithic projectile implements according to experimental tests

It is generally recognized that the function and modality of hafting are the main factors influencing mental templates, and consequently, stone tool standardization. But what role do technical knowledge and traditions play? In this study, we investigate the interaction between mental templates and technological choices in the manufacture of Late Epigravettian projectile implements. The examined specimens come from different dwelling phases of the Dalmeri rock shelter (Italian Alps). Technological analyses suggest that lithic production systems gradually simplified their structure over time, implying a shift in technical investment from shaping on the core to a subsequent shaping on the derived flake blank. However, correlations between the dimensions and morphological features among the armatures from the different units suggest that mental templates remained unchanged throughout the Alleröd. Experimentation attests to the frequent combined application of different retouching techniques. Further, the variability in their arrangement denotes the absence of strict rules and the Epigravettian capability to recognize the most situationally suitable method. In the Dalmeri rock shelter, the standardization of lithic projectile implements is therefore a result of flexibility in retouching, framed in a production system characterized by a progressive simplification. A such rapidly produced and responsive technology must have been encouraged by Late Glacial climatic and environmental changes and the occupation of alpine territories previously inaccessible. Thus, the flexibility of technical behaviors turns out to be a key element in the transformation of Late Epigravettian societies during this period, enabling them to adapt and evolve in response to environmental, social, and economic changes.     

Book reviews—Comptes rendus

State‐building—Formation de l'Etat

P. LE ROUX, Romains d'Espagne. Cités et politique dans les provinces, Paris, Armand Colin, 1995,182 p., cartes, chronologies, glossaire, bibliographie, index.

Janice E. THOMSON, Mercenaries, Pirates and Sovereigns. State‐building and extraterritorial violence in early modern Europe, Princeton, Princeton University Press, 1994, xiii + 219 p., ISBN 0691086583.

Isser WOLOCH, The New Regime. Transformations of the French civic order, 1789–1820s, New York & London, W.W. Norton, 1994, 536 p. ISBN 0–393–03591–3.

Marie‐Anne MATARD‐BONUCCI, Histoire de la mafia, Bruxelles, Editions Complexe, 1994, 317 p. ISBN 2–87027–505–6.

Religious history—Histoire religieuse

C. Stephen JAEGER, The Envy of Angels: cathedral schools and social ideals in medieval Europe, 950–1200, Philadelphia, University of Pennsylvania Press, 1994, xvi + 515 p., ISBN 0–8122–3246–1.

Bodo NISCHAN, Prince, People and Confession. The Second Reformation in Brandenburg, Philadephia, University of Pennsylvania Press, 1994, 366 p., 21 black & white illustrations, ISBN 0–8122–3242–9.

Marriage and power—Manage et pouvoir

Martin AURELL, Les Noces du Comte. Mariage et pouvoir en Catalogne (785–1213), Paris, Publications de la Sorbonne, 1995, 623 p.

Carole LEVIN, The Heart and Stomach of a King. Elizabeth I and the politics of sex and power, Philadelphia, University of Pennsylvania Press, 1994, ISBN 0–8122–1533–8.

William G. WAGNER, Marriage, Property and Law in Late Imperial Russia, Oxford, Clarendon Press, 1994, xiv + 413 p., ISBN 0198204477.

Northern Europe—Europe du Nord

T. KJAERGAARD, The Danish Revolution, 1500‐I800. An ecohistorical interpretation, Cambridge, Cambridge University Press, 1994, xii + 314 p., ISBN 0521442672.

David KIRBY, The Baltic World 1772–1993: Europe's northern periphery in an age of change, London & New York, Longman, 1995, viii + 472 p., 4 maps, ISBN 0–582–00408‐X (hardback), 0–582–00409–8 (paperback).

Contemporary political history—Histoire politique de l'époque contemporaine

François DUCHENE, Jeen Monnet: the first statesman of interdependence, New York & London, W.W. Norton & Co., 1994, 478 p., ISBN 0393034976, 0393314901.

Romain YAKEMTCHOUK, L'adhésion de la Belgique à l'ONU 1944–1945. La contribution belge à la rédaction de la Charte de San Francisco, Bruxelles, Institut Royal des Relations Internationales, 1995, 207 p.

Kenneth MAXWELL, The Making of Portuguese Democracy, Cambridge, Cambridge University Press, 1995, 250 p., ISBN 0–521–46077–8.

Methodology—Méthodologie

Jean BOUTIER et Dominique JULIA (sous la dir. de), Passés recomposés. Champs et chantiers de l'histoire, Autrement, Série Mutations, no. 150–151, 349 p.     

The enemy as the unthinkable: a concretist reading of Carl Schmitt’s conception of the political

This article offers an unconventional interpretation of Carl Schmitt’s conception of the political. It first identifies two alternative readings – an ‘exceptionalist’ and a ‘concretist’ one – to make the claim that in the late 1920s he laid the foundations for a theory of politics that overcame the flaws of his theory of exception. It then explains why the concretist reading provides an insightful key to Schmitt’s take on the relationship between politics and law as a whole. Despite this, the chief aim of this analysis is not interpretive. Rather, the article claims that such a paradigm change was related to Schmitt’s pondering on the elements that were menacing to draw the experience of modern statehood to an end even more seriously than any upheavals and revolutions. For he came to the conclusion that the mere claim to political self-sufficiency on the part on non-state social entities was able to defy the idea of the state as the political entity par excellence. While these reflections urged Schmitt to reformulate many features of his conception of the political, the article contends that this particular juncture in his production sheds light on a crucial feature of contemporary politics.     

Probabilistic Darwinism: Louis Agassiz vs. Asa Gray on Science, Religion, and Certainty

Despite the professed harmony of science and religion in early to middle nineteenth-century culture, scientific practice gradually veered away from confirmation of religious assumptions. This trend culminated in the shock of Charles Darwin's theory of species development, which troubled many scientists and religious believers both for its explicit naturalism and for the unprovable probabilism at the heart of its method. Two key players — and antagonists — in the reception of Darwinism in America, Louis Agassiz and Asa Gray, actually agreed in their assessment of the probabilistic quality of Darwinism, but they split over how much uncertainty to wel-come into their science and their religion. Agassiz became intellectually marginalized because he continued to demand certainty, while Gray's acceptance of uncertainty represented a growing trend among intellectuals of science and religion.     

Pragmatisme Logique et Probabilisme Radical dans la Philosophie Italienne du XXe Siècle

This article sketches the principal characteristics of a philosophical trend which has met with some resistance despite the recognized importance of its representatives. This text illustrates the ideas at the foundation of the logical and methodological pragmatism of Giovanni Vailati and Mario Calderoni. These are ideas which should have surfaced in the international debate about the principle of verification and the concept of analyticity. In addition, the links between these ideas and the development of the subjective conception of probability in the work of Bruno de Finetti are explored.