Procedimiento ASTM D7042

August 2, 2022 | Author: Anonymous | Category: N/A
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^radfl`e`fjta HT\E L?> ¾ D (Hlvfrtfjd`h9 fc vhpar Ch prfs`ôj lf cas drulas h tfepfrhturhs supfr`arfs h 7> ¾ D sufcf supfrhr cas 8>> k^h. Fj fsths d`rdujsthjd`hs, ch eufstrh fc rfd`p`fjtf puflf raepfrsf. Ch hpfrturh lfc rfd`p`fjtf puflf `jlud`r garehd`ôj lf fspueh daj ch dajs`ou`fjtf pàrl`lh lf

eufstrh y pas`bcfs cfs`ajfs pfrsajhc.). 0.8.2 D`frrf `jefl`hthefjtf ch ihrrh lf prufbh daj fc dardma quf ccfvh ch jubf hcth y fc tfreôeftra lf vfrla, a, s` fc vfrla fspfrhla fc pujta fstè par fjd`eh lf 47 ¾ D, fc tfreôeftra lf pujta lf gus`ôj. Hiusthr ch pas`d`ôj lfc dardma y fc tfreôeftra phrh quf fc dardma fjdhif refefjtf, fc tfreôeftra y ch ihrrh saj dahx`hcfs, d ahx`hcfs, y fc bucba lfc tfreôeftra sf suefrof h ujh pragujl`lhl quf s`tùh fc `j`d`a lfc dhp`chr 4 ee par lfbhia lf ch supfrd`f lf ch eufstrh lf fjshya. 0.8.4 Ehjtfjoh fc grhsda lf prufbh daj ch eufstrh lf prufbh fj ch mhb`thd`ôj tfepfrhturh (fjtrf 8= y 2< ¾ D) lurhjtf hc efjas 2< m. 0.8.< T` fc pujta lf u`lfz fspfrhla fs supfr`ar h 47 ¾ D, dhc`fjtf ch eufstrh h 0 ¾ D par fjd`eh lfc pujta lf u`lfz fspfrhla. fspfrhla. T` fc pujta lf u`lfz u`lfz fspfrhla fs `jgfr`ar `jgfr`ar h 47 ¾ D, dhc`fjtf dhc`fjtf ch eufstrh h tfepfrhturh lf ¾ D, phshr h uj bhøa h > ¾ D; (b) T` ch eufstrh lf fjshya fstè h + 0 ¾ D, phshr h uj bhøa lf - 8= ¾ D; (d) T` ch eufstrh lf prufbh fstè h -0 ¾ D, phshr h uj bhøa lf -44 ¾ D; y (l) T` ch eufstrh lf prufbh fstè h -2< ¾ D, phshr h uj bhøa lf -68 ¾ D. 0.8.?.2 \hj prajta daea ch eufstrh lf prufbh fj fc grhsda ja uyh duhjla fstà `jdc`jhla, ehjtfjoh ch ihrrh fj pas`d`ôj mar`zajthc lurhjtf 6 s, daea eastrhla par uj l`spas`va lf drajaeftrhif prfd`sa (7. o lf ch eufstrh lf prufbh fj ujh prfs`ôj c`ep`h buquf (7.4 y Jath =). Duhjla sfh jfdfshr`a, vufcvh h dhcfjthr ch eufstrh lf prufbh. H ujh tfepfrhturh lf hc efjas 2> ¾ D par fjd`eh lfc pujta lf u`lfz fspfrhla (=.2 y Hpàjl`df ]8) pfra ja supfr`ar h 7> ¾ D (Hlvfrtfjd`h9 Ch prfs`ôj lf vhpar lf cas pftrôcfas drulas h tfepfrhturhs supfr`arfs h 7> ¾ D jarehcefjtf fxdflfrè cas 8>> k^h. Bhia fsths d`rdujsthjd`hs fc rfd`p`fjtf lf ch eufstrh puflf raepfrsf. Hpfrturh lfc dajtfjflar puflf `jlud`r ch garehd`ôj lf fspueh daj ch dajs`ou`fjtf pàrl`lh lf eufstrh y pas`bcfs cfs`ajfs hc pfrsajhc.). Daeprufbf quf fc hj`cca lf oaeh fstà fj su cuohr y htarj`ccf b`fj ch thph. JA\H =9 Fc rfd`p`fjtf h prfs`ôj puflf c`ep`hrsf efl`hjtf duhcqu`fr sacvfjtf, s`feprf quf fc sacvfjtf sfh dhphz lf l`sacvfr rfstas lf hcth lfrrfr dfrh y hsghctfjas. Tf mh lfsdub`frta quf fc tacu tacuf fja dhc` dhc`fj fjttf (8>> (8>> ¾ D) fs uj l`s `sac acvf vfj jtf hpra hprap` p`hl hla a phrh phrh fs fsttf pr prap apôs ôs`t `ta. a. 0.2.2 Dhcfjthr fc rfd`p`fjtf h prfs`ôj fj uj bhøa lf hdf`tf a par duhcfsqu`frh atras efl`as hlfduhlas h ujh tfepfrhturh lf 8>6 ¸ 2 ¾ D y lfihr fj fsf tfepfrhturh lurhjtf hc efjas 4> e`j. 0.2.4 Thquf fc rfd`p`fjtf h prfs`ôj lfc bhøa lf hdf`tf, cåep`fca y Tfquf ch supfrd`f lfc rfd`p` rfd `p`fjt fjtf f h prfs`ô prfs`ôj, j, ho`tf ho`tf suhvfe suhvfefjt fjtf f phrh phrh maeaof maeaofjf jf`zh `zhrr fc dajtfj dajtfj`la `la y lfif lfif quf fc rfd`p` rfd `p`fjt fjtf f h prfs`ô prfs`ôj j sf fjgråf fjgråf h tfepfr tfepfrhtu hturh rh heb`fj heb`fjtf tf lurhjt lurhjtf f fxhdth fxhdthefj efjtf tf 2> e`j. e`j. 0.2.< Hbrh daj du`lhla fc rfd`p`fjtf h prfs`ôj y trhjsfrh fc eufstrh fj fc rfd`p`fjtf lf prufbh ccfjhjla mhsth ch ehrdh lf j`vfc lfc rfd`p`fjtf lf prufbh, prfdhcfjthla fj uj bhøa lf houh (7.2) ehjtfj`la h ujh tfepfrhturh lf e`j h tfepfrhturh heb`fjtf, fc Ch tfepfrhturh lf ch eufstrh lf prufbh sfrè lf hprax`ehlhefjtf 6> ¾ D. Ch prfs`ôj lf vhpar h fsh tfepfrhturh hùj puflf supfrhr cas 8>> k^h. Fj fsths d`rdujsthjd`hs, ch hpfrturh lfshtfjl`lh lfc rfd`p`fjtf h prfs`ôj puflf `jlud`r ch garehd`ôj lf fspu fspueh eh daj daj ch dajs dajs`o `ou` u`fj fjtf tf pà pàrl rl`l `lh h lf eufs eufstr trh h y pa pas` s`bc bcfs fs cfs` cfs`aj ajfs fs hc pf pfrs rsaj ajhc hc). ).

 

0.2.6 D`frrf `jefl`hthefjtf fc grhsda lf prufbh daj fc dardma quf ccfvh ch jubf hcth y fc tfreôeftra lf vfrla, a, s` fc vfrla fspfrhla fc pujta fstè par fjd`eh lf 47 ¾ D, fc tfreôeftra lf pujta lf gus`ôj. Hiusthr fc pas`d`ôj lfc dardma y fc tfreôeftra phrh quf fc dardma fjdhif refefjtf, ch tfreôeftra y ch ihrrh saj dahx`hcfs, y fc bucba lfc tfreôeftra sf suefrof fj ujh pragujl`lhl quf s`tùh fc dae`fjza lf ch dhp`chr 4 ee par lfbhia lf ch supfrd`f lf ch eufstrh lf fjshya. 0.2.7 ^radflh daea sf lfsdr`bf fj 0.8.6-0.8.= Eftalacao`h HT\E L74?? Tf dajourh ch tfepfrhturh lf `jtraludd`ôj lf ch eufstrh lf ch dèehrh lf efl`d`ôj fjtrf 2>¾D y 4?,=¾D. Tf dajourh W/C, rfchd`ôj vhpar cåqu`la, fj fc vhcar lfsfhla ]9 8 (phrh cas rfsucthlas lf ch prufbh rfchd`ajhla daj fc eàtala lf prufbh L424, sf fsthbcfdf W/C fj ¾ D y j` par fjd`eh lf ch tfepfrhturh lfc pujta lf u`lfz lf ch eufstrh. Tf fspfrh hc fqu`c`br`a lf tfepfrhturh fjtrf efl`d`ajfs dèehrh y eufstrh, y sf dajtrach ch prfs`ôj lf vhpar tathc dhlh 4> s. Duhjla trfs cfdturhs sudfs`vhs da`jd`lhj >.4 k^h, sf rfo`strh fsth prfs`ôj lf vhpar rfsucthjtf daea W^DR].

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