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Microchemical identification of macael white marble in some spanish monuments

M. A. Bello、L. Martin、A. Martin1992-03-01Materiales de Construccion

The white marble from Macael quarries (Almería, Spain) has been identified in some monuments of the Southern of Spain; the use of other white marble types has also been confirmed. The microchemical identification has been carried out by means a previously described graphical method (Bello and Martín,1991). Fourteen tr…

Titelei

作者信息未提供1992-03-01Applied Rheology

Editorial

Equipo Editorial1992-03-01Materiales de Construccion

Predicting time to failure in bending of wood particleboards under cyclic humidity conditions

J. I. Fernández-Golfín Seco、M. R. Díez Barra1992-03-01Materiales de Construccion

Time to failure tests under constant load (30, 40, 50 and 60 % stress levels) were conducted on four different 19 mm thick particleboards with three layers. Two of them were uncoated (UF and MUF bonded) and the rest were melamine (80 g/m2) and veneer (Mukally) overlaid. Tests were carried out in cyclic humidity condit…

Noticias

Equipo Editorial1992-03-01Materiales de Construccion

Solid solubility of MgO in the calcium silicates of portland clinker. The effect of CaF2

S. Martínez、F. Puertas、A. Palomo1992-03-01Materiales de Construccion

The solid solubility of MgO in the calcium silicates of portland clinker has been determined by XRD and XDS. The influence that the presence of CaF2 has on said solubility has also been verified. The solid solution limit of MgO in C3S at 1275 ºC lies at about 1.0% wt, where the triclinic form II stabilizes. The presen…