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Assessment of Soil Erosion Risk in Albania

Journal of Environmental Science and Engineering(B) 2012年第10期1卷 1175-1178页

作者： arian lako Department of Construction and Transport Infrastructures Faculty of Civil Engineering Polytechnic University of Tirana Tirana1001 Albania

Albania results are a country with high quantitative level of soil erosion in Europe and elsewhere based on different studies. The amount of soil eroded from the surface water erosion is from 20-40 t/ha/year and in extreme cases results up to100 t/ha/year from the deepest erosion. This preliminary study will identify the more specific places in order to do more details analyses in the future to take protection measures in highly sensitive places with high erosion risk. This will be a quantitative assessment of places with different level of erosion risks. Further on these results will be generalized at the level of main water basins of Albania. The following main elements of soil erosion assessment are evaluated in this study which include the land cover, slope and density of the hydrologic net.

关键词：土壤侵蚀量阿尔巴尼亚风险评估保护措施定量评估河流流域土地覆盖数量级

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Structural Capacity Assessment of Cultural Bridges Key Study Dragoti Bridge

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Journal of Civil Engineering and Architecture 2023年第1期17卷 1-11页

作者： arian lako Shkelqim Gjevori Xhorxhia lako Edvin Paçi Department of Civil Engineering Faculty of Civil EngineeringPolytechnic University of TiranaTirana 1001Albania Instituti i Studimeve tëTransportit Ministria e Infrastrukturës dhe EnergjisëTirana 1001Albania Free Lancer Paris 75019France

In this presentation,we have shown the methodology for the structural assessment of bridges that belong to the inventory of cultural *** to the significant number of“sub-standard”bridges,it is impossible for interventions in these bridges to be simultaneous and immediate,so certain criteria and priorities must be established in the ways of interventions for their *** that are most at risk and need to be rehabilitated as soon as possible should be determined,and bridges that can be rehabilitated at a later stage should be *** prioritization scheme should include a number of aspects beyond the“pure engineering”*** in this process are:seismicity of the area and the probability of the seismic event,vulnerability of the *** structural systems may be considered to be more vulnerable in the event of an earthquake than others,and therefore may need attention as soon as *** make this preliminary assessment,we used the methodology of the US Highway Federation,then we proceed with the in-depth assessment of the carrying capacity using the well-known“time history”or“push over”methods,according to the specific *** an example for the application of this methodology,we have taken the Dragoti Bridge,a category II cultural monument,the bridge with the largest span of light in Albania of 108 m.

关键词： Dragoti Bridge structural rehabilitation structural assessment

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Seismic Assessment of Existing Bridges: Kukesi Bridge

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Journal of Civil Engineering and Architecture 2023年第1期17卷 12-23页

作者： arian lako Shkëlqim Gjevori Xhorxhia lako Edvin Paçi Department of Civil Engineering Faculty of Civil EngineeringPolytechnic University of TiranaTirana 1001Albania Instituti i Studimeve tëTransportit Ministria e Infrastrukturës dhe Energjisë1001Albania Albania Free Lancer Paris 75019France 不详

In this presentation,we are showing the application of methods for assessing the structural capacity of existing reinforced concrete bridges,constructed before the application of European *** safety check presented in the various guidelines includes a structural non-linear analysis,followed by checking especially the deformations and resistance of all *** most cases,the superstructure is not significantly involved in the seismic response of the structure,then continues with the controls of the substructure(piles and facades)and the foundations,as well as with the systems of the connections of the structure and those of the interconnection between the structural *** structural model reflects the real conditions of the structure,the structural model must contain all the relevant degrees of freedom,characterizing the dynamic response of the structure,the inertia characteristics *** stiffness of the structure,and the superstructure *** the case of non-linear analysis,the structural model must be able to follow the development of stresses and deformations of the structure beyond the elastic phase caused by the formation of an increasing number of plastic zones.

关键词： Bridge capacity push over time history

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