diplomska naloga
Peter Dagarin (Author), Ana Petkovšek (Mentor), Violeta Bokan-Bosiljkov (Thesis defence commission member), Matej Maček (Co-mentor)

Abstract

Namen diplomskega dela je bil preveriti možnost uporabe stranskih produktov, ki nastanejo pri izgorevanju premoga v termoelektrarni Trbovlje za zalivne mase kanalov in geosond in jih primerjati z zalivnimi masami, ki jih je mogoče kupiti na trgu. Zalivna masa je mešanica polnila, veziva in vode, ki mora izpolnjevati zahteve glede pretočnosti, volumenske stabilnosti, trdnosti in druge, za specifične namene rabe, zahtevane lastnosti. Izvedli smo laboratorijske preiskave na različnih mešanicah stranskih produktov izgorevanja premoga ter na referenčni zalivni masi. Preizkusili smo volumensko stabilnost svežih mešanic, z reometrom smo izmerili njihovo viskoznost, opravili meritve vodovpojnosti po Enslinu, meritve adsorpcije na organsko barvilo metilen modro, po Atterbergu smo ugotavljali mejo židkosti bentonita ter merili tlačne trdnosti staranih mešanic. Ugotovili smo, da ima količina dodane vode velik vpliv na rezultate vseh preiskav, da je njen vpliv nelinearen, da bentonit kot dodatek dobro vpliva na stabilnost sveže mešanice, cement pa pripomore k povečanju trdnosti. Žlindra kot polnilo ni izkazala ugodnih rezultatov, prvič zato, ker bi jo morali odsejavati pred uporabo, drugič pa zato, ker ne veže in mešanice z žlindro ne dosegajo ustreznih trdnosti.

Keywords

gradbeništvo;diplomska dela;VSŠ;OG-MO;elektrofiltrski pepel;geosonda;preiskave;produkti izgorevanja premoga;tlačna trdnost;volumenska obstojnost;žlindra;zalivna masa;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: [P. Dagarin]
UDC: 62-665.4:624.01(497.4)(043.2)
COBISS: 6875489 Link will open in a new window
Views: 2004
Downloads: 473
Average score: 0 (0 votes)
Metadata: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Other data

Secondary language: English
Secondary title: ǂThe ǂuse of coal combustion products for grouts for backfilling trenches and geo-sounds
Secondary abstract: The purpose of the thesis was to investigate the coal combustion products - CCP- from the brown coal burning thermo-power plant as a component for grouts for backfilling trenches and geo-sounds. The grout is a mixture of inert material, hydraulic binder, additives and water. It must fulfil the criteria of viscosity, volumetric stability, strength and others, for specific usage required properties, like heat permeability. The laboratory tests were performed on different mixtures of fly ash, boiler slag, cement and bentonite. Additionally, a commercial grout was investigated as a reference material. Index properties like the grain size distribution, the Enslin Neff water adsorption test, the Methylene blue test and the Atterberg limit tests were performed on dry row materials. On mixtures with water the volumetric stability and the viscosity were investigated. The compressive strength of hardened grout was measured after 28 days. The investigation shows that the water/dry mass ratio has a great influence to the mixture as well as to the hardened grout properties. Low addition of bentonite improves the stability of fresh mixture properties and the cement improves the strength of hardened fly ash grout. The boiler slag was found not to be suitable as a part of inert fill, because it is to coarse-grained and should be sieved before its use and it has not hydraulic properties.
Secondary keywords: graduation thesis;civil engineering;fly ash;geo-sound;research;coal combustion products;compressive strength;volume stability;boiler slag;fill;
File type: application/pdf
Type (COBISS): Bachelor thesis/paper
Thesis comment: Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Pages: X, 38 str.
ID: 8708535