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Význam Dunaje pro Metternichovo Rakousko

100%

Sedivy M.

Slovanský přehled: historická revue pro dějiny střední, východní a jihovýchodní Evropy (Slavonic Review: Review for Central, Eastern and Southeastern European history)

2011

tom 97

nr 1-2

1-15

Relying on thorough examination of relevant archival documents housed in several European archives, this paper analyzes the attitude of the leading personalities of the Austrian Empire towards the importance of the Danube for Austrian commerce and geopolitical position in Europe in the first half of 19th century. The content is divided into the two main parts, the first dealing with the general views of the Austrian elites of the problematic. It is particularly based upon the crucial memoir of Franz Freiherr von Ottenfels from early 1834 that summarized the advantages for the Danube Monarchy if the river became navigable on its lower reach. This document reflects the views generally maintained by the Austrian authorities and, simultaneously, based the foundations of the further policy in the question of the Danube. The second part of the paper deals with Austria's attempts to make the river navigable from its southeastern frontier to the delta and to persuade the Sublime Porte to agree with regulating works in the Iron Gate constituting the most serious impediment to the shipping and Russia to maintain the water-level navigable in the Sulina Arm being in the tsar's possession after 1829.

Application of Predictive Relationships of Swelling Effects for Roadbeds

51%

Pruska J. , Sedivy M. , Pavelcova V.

Inżynieria Mineralna

2024

tom Vol. 1, no. 1

211--216

Impact of swelling can be observed in a wide range of civil and engineering structures. In the case of swelling in the subsoil of roadbeds, the destruction of the road pavement in cuts or collapse of slopes of cut is a frequent occurrence. Problems with deformation from swelling can also occur in the case of bridge abutments based on pile trestles. The unpleasant fact is that the impact of swelling can occur even after a long time. In the case of roads, high swelling pressures can lead to total destruction of the structure of the pavement even after years of operation. The susceptibility of soil to swelling can be described using swelling parameters. These parameters can be measured directly in the laboratory and in situ or indirectly estimated from empirical correlations. The paper describes the prediction of swelling processes using indirect measurements based on the methodology "Identification and solution of problems of soils prone to swelling" certified by the Ministry of Environment of the Czech Republic.