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Vpliv mirovanja nasipnih plasti na dinamične merilne vrednosti : diplomska naloga
ID Salom, Demian (Author), ID Petkovšek, Ana (Mentor) More about this mentor... This link opens in a new window, ID Maček, Matej (Co-mentor)

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Abstract
Kontinuirana kontrola zgoščanja (CCC) je postopek, pri katerem delovanje valjarja med zgoščanjem omogoča simultano spremljanje odzivov plasti. Postopek je star 40 let. Namen tega diplomskega dela je bil ugotoviti, kako se meritve dinamične merilne vrednosti merjene s CCC odzivajo na različne vplive okolja in kako jih lahko primerjamo s standardnimi točkovnimi metodami kontrole kakovosti vgradnje. Raziskave smo izvedli na nasipih grajenih v okviru gradnje akumulacijskega bazena za HE Brežice. Z opravljenimi raziskavami na izbranih materialih ni bilo mogoče izvesti enovite kalibracije CCC za točkovne vrednosti meritev togosti Evd in gostote merjene z izotopsko sondo. Izkazalo se je, da sistem CCC zaznava spremembe lastnosti vgrajene plasti, ki jih točkovni metodi nista zaznali. V nekaterih kolesnicah smo sicer lahko povezali in »kalibrirali« meritve s CCC s standardnimi točkovnimi meritvami, ne pa vseh. Domnevamo, da so dobljeni rezultati pri vseh meritvah posledica nehomogenih materialov, ki so se v nasip vgrajevali direktno iz izkopov in ne iz homogene deponije.

Language:Slovenian
Keywords:CCC, valjar, DMV, preskus s ploščo, togost, izotopna sonda, zgoščenost, mirovanje
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publisher:[D. Salom]
Year:2018
PID:20.500.12556/RUL-105400 This link opens in a new window
UDC:624.131(043.2)
COBISS.SI-ID:8621921 This link opens in a new window
Publication date in RUL:25.11.2018
Views:1547
Downloads:505
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Secondary language

Language:English
Title:The effect of resting period of embankment layers on dynamic measuring values : graduation thesis
Abstract:
Continuous compaction control (CCC) is a process, which allows simultaneous monitoring of layer responses during roller operation. The procedure is known for 40 years. The purpose of this thesis was to determine how dynamic CCC measurements, measured by CCC, respond to the different environmental impacts and how to compare them with standard quality control measurements. Research was carried out on embankments built in the framework of the construction of a reservoir for the Hydroelectric Power Plant Brežice. With the research carried out on the selected materials, it was not possible to carry out a uniform CCC calibration for the dynamic modulus of deformation (Evd) nor for measurements of density by the nuclear probe. It turned out, that the CCC system detects changes in the properties of the built-in layers, which bay used standard quality control methods cannot be detected. In some roller passes, we were able to correlate and "calibrate" CCC measurements with standard methods, but not in all. We assume that the lack of the correlations are the consequence of the inhomogeneity of the embankment materials originating directly from excavations and not from homogeneous stockpiles.

Keywords:CCC, roller, DMV, plate bearing test, stiffness, isotope gauge, compaction, resting

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