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Ocena globine razpok v betonu z metodo Impact Echo
ID Ristić, Uroš (Author), ID Brank, Boštjan (Mentor) More about this mentor... This link opens in a new window, ID Bohinc, Uroš (Co-mentor)

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MD5: 3DC24AC14B6B75AC6937040B2FDE2170
PID: 20.500.12556/rul/93ff84bf-00fd-4fdc-ae10-29f0a84bd88a

Abstract
Glavni del magistrske naloge se nanaša na ocenjevanje globine razpok v betonu s pomočjo nedestruktivne metode imenovane Impact Echo. Predstavljeno je teoretično ozadje širjenja valov v elastičnih trdnih telesih in pripadajoča metodo končnih elementov. Prikazano je opravljeno eksperimentalno delo z Impact Echo metodo, kjer smo obravnavali dva sklopa razpok. Prvi sklop je zajemal navpične razpoke štirih globin: 149 mm, 119 mm, 88 mm in 58 mm. V drugem sklopu smo obravnavali razpoke posebnih konfiguracij. Pri eksperimentu smo uporabili postopke, ki so opisani v knjigi [1]. Za razpoko globine 149 mm smo naredili numerično simulacijo po metodi končnih elementov s programom Abaqus. Primerjavo eksperimentalnih in numeričnih rezultatov smo predstavili v obliki tabel in grafov. Pri numerični simulaciji smo dobili natančnejše rezultate.

Language:Slovenian
Keywords:metoda Impact Echo, nedestruktivne preiskave, globina razpoke, numerična analiza, Abaqus
Work type:Master's thesis/paper (mb22)
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2016
Publisher:[U. Ristić]
PID:20.500.12556/RUL-84884 This link opens in a new window
UDC:539.219.2:624.04(497.4)(043)
COBISS.SI-ID:7589473 This link opens in a new window
Publication date in RUL:28.05.2020
Views:756
Downloads:179
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Secondary language

Language:English
Title:Evaluation of crack depth in concrete using Impact Echo method
Abstract:
The main part of the master thesis is related to an evaluation of a crack depth in concrete by using a non-destructive method called Impact Echo. The theoretical background of the wave propagation in elastic solids and the related finite element method are presented. In the experimental work we performed measurements on two sets of cracks. The first set consisted of four vertical cracks of different depths: 149 mm, 119 mm, 88 mm and 58 mm. The second set consisted of cracks of specific configurations. We used the experimental procedures described in the book [1]. For a crack depth of 149 mm a numerical simulation was done by using the finite element method and Abaqus computer code. Comparison of the experimental and numerical results is presented in the tables and graphs. The numerical simulation accurately predicts the results.

Keywords:Impact Echo method, nondestructive testing, crack depth, numerical analysis, Abaqus

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