The analysis of the hydromechanical behaviour of concrete dam foundations requires coupled models which account for the role of deformation in fluid flow and the stability of the rock mass. In this study the hydromechanical ...

A exploração de grandes barragens envolve, em regra, riscos elevados. Por essa razão exige-se um acompanhamento cuidado destas obras, tendo a observação (monitorização, inspeção e ensaios) um papel fundamental nas atividades ...

The failure of dams with large reservoirs can be the cause of catastrophic accidents with very important losses of human lives, material and environmental assets. For these reasons, the safety control of these constructions ...

Seepage through the foundation is a relevant condition for the structural assessment of concrete dams. The knowledge of the water flow measured in the drainage system installed to reduce the uplift pressure in a dam's ...

This paper presents the main characteristics of the automated monitoring system of Feiticeiro dam and addresses a proposal for the definition of thresholds for the physical quantities measured through the use of an ...

Foz Tua project, located close to Tua river’s mouth, a tributary of Douro river (right bank), North of Portugal, is the latest accomplished hydroelectric investment of EDP - Energias de Portugal. The project includes a ...

Some successful rehabilitation schemes involving the use of cement-based grouts for the repair of cracks in concrete dams are described. The author reviews the advantages and drawbacks of using cement-based materials in ...

The lifetime of a geothermal well is strongly dependent on the long-term performance of the cement used for its construction. The critical zones in well cements are the outermost layers, where the cement encounters either ...

Temperature plays a significant part in the cracking phenomenon of mass concrete structures, and therefore thermal analysis is of major importance, especially during construction, due to the heat of hydration of the cement. ...