Zveza društev gradbenih inženirjev in tehnikov slovenije
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Objavljeno v: Gradbeni vestnik - 1 - 1967

Avtorji

Vinko Koren, dipl. inž.

Smernice za preiskave večkomponentnih injekcijskih suspenzij (Konec)

UDK: 615.473

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Directives for testing injection suspensions of more components

 

Summary
The ever increasing number of injection works and consequently contractors, requires the standardization of rules for all injection parameters, especially characteristics of the used mixtures. Suspension as the most widely used injection means changes its properties during the working process and passes from the fluid state over the plastic one (sediment) into the solid state (hardened substance). Intensity and the degree of changes depend upon the local conditions in the injection medium, the heterogeneity of which practically makes impossible their accurate determination.

 

Summary

The ever increasing number of injection works and consequently contractors, requires the standardization of rules for all injection parameters, especially characteristics of the used mixtures. Suspension as the most widely used injection means changes its properties during the working process and passes from the fluid state over the plastic one (sediment) into the solid state (hardened substance). Intensity and the degree of changes depend upon the local conditions in the injection medium, the heterogeneity of which practically makes impossible their accurate determination.

The treated directives for the tests make possible the uniform evaluation of suspension, sediments, and hardened substance characteristics at a comparatively small number of required tests. Test methods, selected on the base of the general mathematical-physical laws, axe of such character that the obtained results correspond to the worst conditions, i. e. to the peripheral effects of injections, with the exclusion of various negative secundary influences (for example particle segregation) at preparation of test specimens.

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