The Dueñas Clay Formation is considered an example of a deposit lacustrine continental origin. It formed mainly by overconsolidated clays and includes feldspathic arenites, clayey silty levels; however, in geotechnical projects it clay unit treated as whole. structure each level was assessed the field, thin sections, SEM case level. In addition, identification, strength, deformation, durability...

Particles with nanometer dimensions (nanoparticles) are all around us. The finest particles of sand are blown by the wind over thousands of kilometers. The finest particles of soils are either eroded by the wind in extremely dry conditions or by water under wet conditions and deposited hundreds of kilometers or more from the origin. The air contains nanoparticles of carbon, ice, and oxides and ...

greatly reduced the amount of the sample solution and the measuring time.1-3 However, the electronic osmometers reported to date are in use of flaccid mem branes which result in baseline instability and limit the use to low con centrations of colloid solute in solutions. Recently, we have designed an electronic osmometer with a rigid semiperme able membrane made from a baked clay disc permeated...

-A method of clay mineral sample preparation for electron microprobe analysis has been developed in which a film of clay plus 10-12 wt. % colloidal graphite is deposited on a porous ceramic disc using a specially designed suction device. Correction procedures are used to obtain quantitative elemental analyses representing the average chemical composition of the prepared sample. A statistical te...

The paper presents the results of laboratory testing clay samples from two localities in city Zagreb, mixed with fly ash, slag and cement. Under conditions, composite mixtures binders were prepared, where are added to ratios 5 %, 10 % 20 tested at different maturation time intervals 7, 14 28 days. influence type amount binder age sample on moisture uniaxial compressive strength was examined ana...