"Zp\u016Fsob zkou\u0161en\u00ED homogenity dr\u00E1tkobetonu na hotov\u00FDch dr\u00E1tkobetonov\u00FDch konstrukc\u00EDch"@cs . . "P(FR-TI2/496)" . "Zp\u016Fsob zkou\u0161en\u00ED homogenity dr\u00E1tkobetonu na hotov\u00FDch dr\u00E1tkobetonov\u00FDch konstrukc\u00EDch" . "2013-10-23+02:00"^^ . "119378" . "\u010Cesk\u00E9 vysok\u00E9 u\u010Den\u00ED technick\u00E9 v Praze - fakulta stavebn\u00ED, Praha 6, CZ" . "Zp\u016Fsob zkou\u0161en\u00ED homogenity dr\u00E1tkobetonu na hotov\u00FDch dr\u00E1tkobetonov\u00FDch konstrukc\u00EDch"@cs . "Vodi\u010Dka, Jan" . . "V s\u00E9rii ztvrdl\u00FDch zku\u0161ebn\u00EDch dr\u00E1tkobetonov\u00FDch vzork\u016F o r\u016Fzn\u00FDch zn\u00E1m\u00FDch koncentrac\u00EDch dr\u00E1tk\u016F, s rovnom\u011Brn\u011B rozpt\u00FDlen\u00FDmi dr\u00E1tky, se vytvo\u0159\u00ED kalibra\u010Dn\u00ED v\u00FDvrt o pr\u016Fm\u011Bru v rozmez\u00ED 20 mm a\u017E 30 mm, do kter\u00E9ho se zavede magnetick\u00E1 sonda. P\u0159i postupn\u00E9m, plynul\u00E9m vytahov\u00E1n\u00ED sondy se ode\u010D\u00EDt\u00E1 intenzita magnetick\u00E9ho pole, \u010D\u00EDm\u017E se z\u00EDsk\u00E1 kalibra\u010Dn\u00ED tabulka z\u00E1vislosti intenzity magnetick\u00E9ho pole na koncentraci dr\u00E1tk\u016F. Pot\u00E9 se na zkou\u0161en\u00E9 dr\u00E1tkobetonov\u00E9 konstrukci v m\u00EDstech maxim\u00E1ln\u00EDho nam\u00E1h\u00E1n\u00ED konstrukce a v m\u00EDstech, kter\u00E1 rozhoduj\u00ED o mezn\u00EDm stavu pou\u017Eitelnosti konstrukce, vytvo\u0159\u00ED minim\u00E1ln\u011B t\u0159i v\u00FDvrty o pr\u016Fm\u011Bru shodn\u00E9m s pr\u016Fm\u011Brem kalibra\u010Dn\u00EDho v\u00FDvrt. Vzd\u00E1lenost l\u00EDc\u016F v\u00FDvrt\u016F je v\u011Bt\u0161\u00ED nebo rovna a men\u0161\u00ED ne\u017E 2 x lf, kde lf je d\u00E9lka pou\u017Eit\u00FDch dr\u00E1tk\u016F. Do v\u00FDvrt\u016F se postupn\u011B zavede magnetick\u00E1 sonda a p\u0159i jej\u00EDm plynul\u00E9m vysouv\u00E1n\u00ED se ode\u010D\u00EDt\u00E1 intenzita magnetick\u00E9ho pole pod\u00E9l hloubky proveden\u00FDch v\u00FDvrt\u016F. Ze zaznamenan\u00FDch hodnot intenzity magnetick\u00E9ho pole se ur\u010Duje jak homogenita dr\u00E1tkobetonu v dan\u00FDch m\u00EDstech, tak porovn\u00E1n\u00EDm s kalibra\u010Dn\u00ED tabulkou se stanov\u00ED koncentrace dr\u00E1tk\u016F vyj\u00E1d\u0159en\u00E1 v kg/m3 nebo v objemov\u00E9m procentu ztu\u017Een\u00ED vl\u00E1ken ve ztvrdl\u00E9m dr\u00E1tkobetonu v hotov\u00E9 dr\u00E1tkobetonov\u00E9 konstrukci."@cs . "RIV/68407700:21110/13:00210029!RIV14-MPO-21110___" . . . . . . "In set of hardened steel fibre reinforced specimens with different known concentrations of steel fibres evenly distributed a calibration borehole is created with diameter varying between 20 and 30 mm, where a magnetic sensing head is introduced. The magnetic sensing head is continuously smoothly pulled out and an intensity of magnetic field is recorded. By that a calibration table of relation of magnetic field intensity and fibres concentration is acquired. Afterwards at least three boreholes with the same diameter as calibration borehole are created in the steel fibre reinforced structure; the boreholes are created at places with maximum straining and places decisive for serviceability limit state of the steel fibre reinforced structure. Spacing of face sides of boreholes is equal or lesser than 2 lf, where lf is the length of applied fibres. The magnetic sensing head is inserted in boreholes and during smooth pulling-out and intensity of magnetic field is recorded along the depth of boreholes. From recorded values of magnetic field intensity homogeneity of fibre reinforced concrete in particular points is determined and concentration of fibres in kg/m3 or in volume reinforced ratio of fibres in hardened concrete is specified."@en . "21110" . . . "304173" . . "Method of testing of steel fibre reinforced concrete homogeneity on completed steel fibre reinforced concrete structures"@en . "Method of testing of steel fibre reinforced concrete homogeneity on completed steel fibre reinforced concrete structures"@en . "Fibre-Reinforced-Concrete; homogeneity; testing"@en . "3"^^ . "[D2F8B1AF853B]" . . . . "\u0160eps, Karel" . "http://isdv.upv.cz/portal/pls/portal/portlets.pta.det?pskup=1&propv=2012&pcipv=818" . "RIV/68407700:21110/13:00210029" . . . "Hobst, L. H." . "\u00DA\u0159ad pr\u016Fmyslov\u00E9ho vlastnictv\u00ED" . . "2"^^ . . . "Prague" . . "V s\u00E9rii ztvrdl\u00FDch zku\u0161ebn\u00EDch dr\u00E1tkobetonov\u00FDch vzork\u016F o r\u016Fzn\u00FDch zn\u00E1m\u00FDch koncentrac\u00EDch dr\u00E1tk\u016F, s rovnom\u011Brn\u011B rozpt\u00FDlen\u00FDmi dr\u00E1tky, se vytvo\u0159\u00ED kalibra\u010Dn\u00ED v\u00FDvrt o pr\u016Fm\u011Bru v rozmez\u00ED 20 mm a\u017E 30 mm, do kter\u00E9ho se zavede magnetick\u00E1 sonda. P\u0159i postupn\u00E9m, plynul\u00E9m vytahov\u00E1n\u00ED sondy se ode\u010D\u00EDt\u00E1 intenzita magnetick\u00E9ho pole, \u010D\u00EDm\u017E se z\u00EDsk\u00E1 kalibra\u010Dn\u00ED tabulka z\u00E1vislosti intenzity magnetick\u00E9ho pole na koncentraci dr\u00E1tk\u016F. Pot\u00E9 se na zkou\u0161en\u00E9 dr\u00E1tkobetonov\u00E9 konstrukci v m\u00EDstech maxim\u00E1ln\u00EDho nam\u00E1h\u00E1n\u00ED konstrukce a v m\u00EDstech, kter\u00E1 rozhoduj\u00ED o mezn\u00EDm stavu pou\u017Eitelnosti konstrukce, vytvo\u0159\u00ED minim\u00E1ln\u011B t\u0159i v\u00FDvrty o pr\u016Fm\u011Bru shodn\u00E9m s pr\u016Fm\u011Brem kalibra\u010Dn\u00EDho v\u00FDvrt. Vzd\u00E1lenost l\u00EDc\u016F v\u00FDvrt\u016F je v\u011Bt\u0161\u00ED nebo rovna a men\u0161\u00ED ne\u017E 2 x lf, kde lf je d\u00E9lka pou\u017Eit\u00FDch dr\u00E1tk\u016F. Do v\u00FDvrt\u016F se postupn\u011B zavede magnetick\u00E1 sonda a p\u0159i jej\u00EDm plynul\u00E9m vysouv\u00E1n\u00ED se ode\u010D\u00EDt\u00E1 intenzita magnetick\u00E9ho pole pod\u00E9l hloubky proveden\u00FDch v\u00FDvrt\u016F. Ze zaznamenan\u00FDch hodnot intenzity magnetick\u00E9ho pole se ur\u010Duje jak homogenita dr\u00E1tkobetonu v dan\u00FDch m\u00EDstech, tak porovn\u00E1n\u00EDm s kalibra\u010Dn\u00ED tabulkou se stanov\u00ED koncentrace dr\u00E1tk\u016F vyj\u00E1d\u0159en\u00E1 v kg/m3 nebo v objemov\u00E9m procentu ztu\u017Een\u00ED vl\u00E1ken ve ztvrdl\u00E9m dr\u00E1tkobetonu v hotov\u00E9 dr\u00E1tkobetonov\u00E9 konstrukci." . "Zp\u016Fsob zkou\u0161en\u00ED homogenity dr\u00E1tkobetonu na hotov\u00FDch dr\u00E1tkobetonov\u00FDch konstrukc\u00EDch" . . . . .