Central Technological Library of the University of Ljubljana (CTK)
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Mikrorazpoke, duktilnost in obstojnostShah, Surendra P. ; Lawler, John S. ; Rapoport, JulieObstojnost betona je tesno povezana s prepustnostjo, saj večino mehanizmov degradacije betona sproži vdor vode. Ta članek je pregled študij, ki so bile opravljene, da bi ocenili prepustnost ... razpokanega betona z ojačitvenimi vlakni ali brez njih. Prvi del tega članka predstavlja metode, vključno s hitrim preskusom prepustnosti kloridnih ionov in preskusom prepustnosti vode z uporabo brazilskega nateznega razcepljanja, klinastega razcepljanja ali enoosnega natega za nastajanje razpok. Preskus prepustnosti vode je precej občutljivejši na širino razpok kot pa preskus prepustnosti kloridnih ionov. Drugi del članka opisuje uporabo ojačitvenih vlaken za povečano obstojnost betona. Ta vlakna zmanjšajo prepustnost tako, da povzročijo bolj razvejane razpoke, zakrivljenost in mogoče majhne večkratne razpoke.Source: Razpoke v betonu : zbornik gradiv in referatov (Str. 7-15)Type of material - conference contributionPublish date - 2002Language - slovenianCOBISS.SI-ID - 24812037
Author
Shah, Surendra P. |
Lawler, John S. |
Rapoport, Julie
Topics
razpoke |
mikrorazpoke |
duktilnost |
obstojnost |
prepustnost |
vlakna |
cracks |
microcracs |
ductility |
permeability |
fibers |
durability
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