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Vpliv jeklenih vlaken na sprijemnost med armaturo in betonom običajne trdnosti : diplomska naloga
Selak, Gašper (Author), Saje, Drago (Mentor) More about this mentor... This link opens in a new window, Lopatič, Jože (Co-mentor)

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Abstract
V okviru diplomske naloge smo preiskovali vpliv jeklenih vlaken na sprijemno trdnost med armaturno palico premera 20 mm in betonom običajne trdnosti z vodovezivnim razmerjem 0,52 ter vpliv jeklenih vlaken na tlačno trdnost betonov. Preiskovani betoni so vsebovali enako količino jeklenih vlaken in se razlikovali glede vrste vsebovanega cementa. Primerjalni beton ni vseboval jeklenih vlaken. Uporabili smo tri različne vrste cementov. Med sabo so se razlikovali po deležu cementnega klinkerja. Osnovni cement je vseboval 65% klinkerja, specialni 80% in čisti portlandski cement 95%. Osnovne recepture betonov temeljijo na recepturah iz doktorske naloge dr. Draga Sajeta iz leta 2001. Na svežem betonu smo izvedli tudi ustrezne standardne teste. Ugotovili smo, da imajo jeklena vlakna na sprijemno trdnost med betonom in armaturo največji vpliv pri betonih, ki so vsebovali osnovni portladski cement.

Language:Slovenian
Keywords:gradbeništvo, diplomska naloga, VSŠ, sprijemna napetost, gradbeni materiali, beton
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2016
Publisher:[G. Selak]
Number of pages:X, 47 str.
UDC:624.014.2(497.4)(043.2)
COBISS.SI-ID:7759201 Link is opened in a new window
Views:1178
Downloads:334
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Secondary language

Language:English
Title:The influence of steel fibres on bond between rebar and normal strenght concrete
Abstract:
The thesis examines the influence of steel fibres on the bond strength between a reinforcing steel bar with a diameter of 20 mm and standard-strength concrete with a water-binder ratio of 0.52 and the influence of steel fibres on the compressive strength of different types of concrete. The types of concrete researched contained an identical amount of steel fibres and only differed in type of cement used. The control concrete contained no steel fibres. Three types of cement were used, differing from each other in the amount of cement clinker. The standard cement contained 65% of clinker, the special cement contained 80% and the pure Portland cement contained 95%. The basic formulations of the mixfures were based on the formulations from Drago Saje’s doctoral thesis from 2001. Appropriate standard tests were also carried out on fresh concrete. We have found that the effect of steel fibres on the bond strength between concrete and rebar was greatest in those types of concrete that contained standard Portland cement.

Keywords:civil engineering, normal strength concrete, pull-out test

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