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The efect of calcareous filler on portland cement mortars

M. José Escorihuela、Ignacio Menéndez、Fernando Triviño 等 6 位作者1993-03-01Materiales de Construccion

The present paper deals with the influence that the addition of calcareous "fillers" to a Portland cement has on the mechanical resistances of its mortars. Taking as a basis a Portland cement to which calcareous "fillers", from 0 up to 50 percent, are added, test tubes of standardized mortars were prepared. After 7, 2…

Alteration mechanisms on the stones of the Catedral of Granada, Spain

L. Martin、M. A. Bello、A. Martín1993-03-01Materiales de Construccion

The diverse alteration mechanisms which operate on the stony materials of the Granada Cathedral have been analized. The water action, anthropogenic influence, thermic oscillations, incompatibility factors, seismicity and biological factors have been considered.

Noticias

Equipo Editorial1993-03-01Materiales de Construccion

Origin of zeolite cements in the Miocene sandstones, North Tejon oil fields, California

Jin Hwan Noh、James R. Boles1993-03-01Journal of Sedimentary Research

Abstract Zeolite cement zoning from heulandite via heulandite + laumontite to laumontite is found in Miocene volcaniclastic sandstones at the North Tejon Oil Field, southern San Joaquin basin, California. The zeolite transition occurs at the depth range from 2703-2743 m (present temperature range: 90-92 degrees C). He…

Zeolite Catalysis and SynthesisCO2 Sequestration and Geologic InteractionsClay minerals and soil interactions