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Estudio comparativo sobre las limitaciones de permeabilidad del hormigón en las normativas española y europea


Medium: journal article
Language(s): es 
Published in: Hormigón y acero, , n. 195, v. 46
Page(s): 37-47

Comparative study on concrete permeability limits in Spanish and European standards

The Spanish Codes for concrete, EH-91 and EP-93, include at present procisions for limiting the permeability of concrete, measured in the water penetration test described in the UNE 83.304/90 standard. The prescriptios of the Spanish Codes are not exactly coincident with the ones of ENV-206. So, the limiting value for the average penetration depth is different: 20 mm for ENV-206 while 30 mm in the Spanish Codes. The broad experience in this field of the Laboratorio Central de Estructuras y Materiales from CEDEX, has allowed to perform a study on the validity of the average penetration depth fronts in both standards. In the study, both laboratory cast concrete samples, and in-suty drilled cores were used. In the paper, the study is described in general terms, and the main conclusions are presented, these revealing a higher soundness of the limiting values in the Spanish Codes. Also a study of the deviations obtained in the test is performed, and a procedure is presented for using the water penetration test as a standard control method for the durability specifications of concrete.

Available from: ACHE - Asociaci�n Cient�fico-T�cnica del Hormig�n Estructural

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