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Multifunctional conductive concrete

Stable teachers in the research group that develops research in this line are:

- Pedro Garcés Terradillos, Professor - Principal investigator

- Other Emilio Gómez, Assistant Professor

- Luis García Andión, Professor of the College

The line of research began in 2003 during the development of the project: "Multifunctional cement matrix Composites containing fibres and particles of carbon" subsidized by: Ministry of science and technology (2003-06863 MATE) and by the Ministry of development (9/2003 78110A03). We are currently developing the next project: "Role of perception of the deformation in multifunctional cement matrix composites containing fibres and particles of carbon," asked the Ministry of education and science. Project level national Y+D+Y (2004-2007) Ref: BIA2006-10703 and by the Ministry of development: project number: C 63/2006

Research line of cementitious employed in civil engineering and construction materials has traditionally been oriented to the study of their mechanical properties due to its main structural function, namely its ability to withstand efforts without suffering deformations. However, lately has emerged a new trend in this line; the integration of other properties that allow you to have additional roles, becoming multifunctional materials. The use of a structural material multifunctional rather than a combination of structural and non-structural functional materials (i.e. a structural material which includes a non-structural functional material) reduces cost, improves the durability and the ability to repair, increase the functional volume, prevents the degradation of mechanical properties, and simplifies the design non-structural features include the function of sensor, function of heater, protector in front of corrosion, Act repair of thermal insulation, retention of heat and protection in front of electromagnetic interference (EMI).

There are several categories within the "multifunctional" cementitious materials; among them are the drivers cementitious materials. The electrical properties are achieved through conducting additions such as carbonaceous materials (e.g. graphite poles or fibres of carbon nanofibers and carbon nanotubes.) The electrical conductivity is interesting to Earth, protection antirrayos dams, resistance heating (e.g. melting and heating of buildings, dissipation of static load, protection from electromagnetic interference, generation of thermal energy and electrical contacts used in the cathodic protection of the bars of reinforced concrete, electrochemical extraction of chlorides in concrete, and the most important: the role of perception of the deformation by controlling the evolution of electrical resistance in volume of) the structure is very interesting and promising to both study the effect on resistant concrete structures characteristics and on the possibility of development of these functions that have the addition of these carbonaceous materials. This line of research will lead to a strengthening of the scientific basis for the design of electrically conductive matrix cementitious composites.

Department of Civil Engineering


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