Ensayo de Angularidad de Agregados Gruesos

 

SLYJMKQGOMZ AM SGYQEJ]@GZ HYGJQ]YGAGZ MK ]K GDYMDGAL DY]MZL

SYMZMKQGAL SLY? UEKKG SGL@G Y]E_ SGUGK

SYMZMKQGAL G? JGY@LZ G@IMYQL IMKGXEAM_

]KEXMYZEAGA AM@ JG]JG HGJ]@QGA AM EKDMKEMYÆG JEXE@ SLSGUÇK-JG]JG 3=/39/9393

 

  SLYJMKQGOMZ AM SGYQEJ]@GZ HYGJQ]YGAGZ MK ]K GDYMDGAL DY]MZL KLYFGZ?   EKX M 939-7:   EKX M 97:-7:   EKX M 994-7: SLYJMKQGOMZ AM SGYQEJ]@GZ HYGJQ]YGAGZ MK ]K  GDYMDGAL DY]MZL  

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7. LIOMQEXL DMKMYG@ Mstg klrfg amsjreim m` prljmaefemktl pgrg amtmrfekgr m` plrjmktgom, mk fgsg l plr jlktml, am pgrtæju`gs am uk gdrmdgal drumsl qum temkmk uk kÿfmrl mspmjehejgal am jgrgs hrgjturgags.

9. MW]ESLZ   IG@GK_G    ZMYEM AM QGFEJMZ (9‖ (9‖-#1) -#1)

  J]GYQMGALY   YMJESEMKQMZ

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AMHEKEJELKMZ.  

JGYGZ HYGJQ]YGAGZ? Zlk supmrhejems gkdu`lsgs, çspmrg l qumirgag am

ukg pgrtæju`g am gdrmdgal, hlrfgag plr ukg treturgjeúk, plr ltrls fmaels grtehejeg`ms plr `g kgturg`mzg.   Zm jlkseamrg jgrg hrgjturgags hrgjturgags,, sl`gfmktm se sm temkm u uk k çrmg prly prlymjtgag mjtgag g` fmkls tgk drgkam jlfl uk jugrtl am `g fçxefg çrmg prlymjtgag am `g pgrtæju`g y se aejng pgrtæju`g temkm ilrams jlrtgktms l `edmrgfmktm amspuktgals.   SGYQEJ]@GZ HYGJQ]YGAG HY GJQ]YGAGZ? Z? ]kg pgrtæju`g am gdrmdgal qum temkm, g` fmkls, m` kÿfmrl fækefl am jgrgs hrgjturgags h rgjturgags mspmjehejgags (dmkmrg`fmktm (dmkmrg`fmktm ukg l als).

:. SYLJMAEFEMKQL.   QLFG U YMA]JJELK AM F]MZQYG SLY J]GYQML Zm jl`ljg `g fumstrg lredekg` slirm ukg supmrhejem aurg, `efpeg y kevm`gag, alkam kl sm prmsmktm pmraeag am fgtmreg` ke gaejeúk gjjeamktg` am ltrls fgtmreg`ms. Zm fmzj`g m` fgtmreg` jlfp`mtgfmktm, vl`tmgkal `g tltg`eaga am fumstrg trms vmjms. Jlk `g ÿ`tefg vum`tg, sm hlrfg ukg pe`g júkejg amplsetgkal jgag pg`gag mkjefg am `g gktmrelr. Zm gp`gkg jueagalsgfmktm `g pe`g júkejg pgrg jlksmduer uk mspmslr y uk aeçfmtrl ukehlrfm, prmselkgkal su vårtejm jlk ukg pg`g jlk m` hek am qum jgag jugrtl am `g pe`g rmsu`tgktm jlktmkdg m` fgtmreg` lredekg` am `g pe`g. Mstm aeçfmtrl

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amimrç smr, gprlxefgagfmktm am jugtrl g ljnl vmjms su mspmslr. Zm aeveam `g fumstrg gp`gkgag mk jugtrl.   Zm ngjm uk `gvgal am` fgtmreg` slirm m` tgfez amsed amsedkgal kgal pgrg `g amtmrfekgjeú amtmrfekgjeúk k am `gs pgrtæju`gs hrgjturgags, jlk m` hek am rmflvmr jug`quemr rmseaul fgtmreg` hekl, y sm smjg g ukg fgsg jlkstgktm. Zm amtmrfekg `g fgsg am `g fumstrg, y jug`quemr amtmrfekgjeúk plstmrelr am fgsg sm amimrç mhmjtugr jlk ukg mxgjtetua am 3.7% jlk rmspmjtl g `g fgsg smjg lredekg` am `g fumstrg. Zmdÿk mk `g Klrfg EKX M-97: igsçkalsm mk `g drgku`lfmtræg mstgi`mjeag jlk uk QFK qum ms 77/9‖ sm amtmrfekg qum `g fgsg fækefg am `g fumstrg pgrg mstm mksgyl ms?

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Fumstrg pgrg m` mksgyl? 4=33d   Hrgjjelkms am mksgyl? 

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HYGJJEÚK

FGZG EKEJEG@

FGZG SGYQÆJ]@GZ HYGJQ]YGAGZ

77/9‖-:/>‖ :/>‖  

:=>3 d

953= d

:/>‖--7/1‖ :/>‖ 7/1‖  

9>39 d

75=3 d

Qgi`gK³7. Jgkteaga am fgtmreg` plr hrgjjelkms.   Zm mspgrjm `g fumstrg smj smjg g slirm u ukg kg supmrhejem `ef `efpeg peg y p`gk p`gkg g qum smg `l suhejemktmfmktm drgkam pgrg pmrfeter `g ekspmjjeúk amtg``gag am jgag pgrtæju`g. Sgrg vmrehejgr qum ukg pgrtæju`g jufp`m m` jretmrel am jgrg hrgjturgag, sm `g slstemkm am fgkmrg qum `g jgrg sm pumag vmr aermjtgfmktm. Ze `g jgrg jlkstetuym g` fmkls uk jugrtl am `g smjjeúk trgksvmrsg` am `g pgrtæju`g, sm amim jlkseamrgr jlfl jgrg hrgjturgag.

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  Zm amtmrfekg `g fgsg l sm jumktg m` kufmrl am p pgrtæju`gs grtæju`gs j`gsehejgags mk `g jgtmdlræg am pgrtæju`gs hrgjturgags, gsæ jlfl `g fgsg l m` jlktml am `gs pgrtæju`gs qum kl jufp`mk m` jretmrel mspmjehejgal am hrgjturgags. Gnlrg sm amtmrfekg `g fgsg am `gs pgrtæju`gs qum jlktemkmk `gs jgrgs hrgjturgags. 

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HYGJJEÚK

FGZG %SGYQÆJ]@GZ SGYQÆJ]@GZ HYGJQ]YGAGZ HYGJQ]YGAGZ

77/9‖-:/>‖ :/>‖  

953= d

>7%

:/>‖--7/1‖ :/>‖ 7/1‖  

75=3 d

43%

Qgi`gK³:. Jgkteaga am fgsg plr jgag hrgjjeúk.

 

    Zm mspmjehejg f fçs çs am uk kÿ kÿfmrl fmrl am jgrgs hrgjturgags (plr momfp`l, m` 43% jlk ukg l fçs jgrgs hrgjturgags y 13% jlk als l fçs jgrgs hrgjturgags), sm rmpetm m` mksgyl slirm `g fesfg fumstrg pgrg jgag rmquesetl. Jlfl sm fumstrg mk `g tgi`gK³:. U smdÿk kumstrg drgku`lfmtræg litmkeag. 

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7/9‖ 

SLYJMKQGOM SGZG% 733

:/>‖ 

::.8

7/1‖ 

93

QGFE_

Qgi`gK³1. Slrjmktgoms pgsg am drgku`lfmtræg.  Gnlrg prljmamfls g amtmrfekgr m` plrjmktgom qum ngy mktrm jgag hhrgjjeúk rgjjeúk y sm aejm qum pgrg `g hrgjjeúk (7/9‖(7/9‖- :/>‖) slk 88.1% jlk >7% am pgrtæju`gs hrgjturgags y mk `g hrgjjeúk (:/>‖(:/>‖-7/1‖) 7/1‖) slk  slk 7:.8% am` 43% am pgrtæju`gs hrgjturgags y sm jlksedkgk mk `g tgi`gK³:.

1. JG@J]@LZ. Srljmamfls sgjgr m` plrjmktgom tltg` hrgjturgags am `g seduemktm mjugjeúk? %  6

 +

 ∔ 733 

Alkam? S? Slrjmktgom am pgrtæju`gs jlk m` kÿfmrl mspmjehejgal am jgrgs hrgjturgags. hr gjturgags. H? Fgsg l kÿfmrl am pgrtæju`gs hrgjturgags jlk g` fmkls m` kÿfmrl am jgrgs hrgjturgags mspmjehejgal.  K? Fgsg l kÿfmrl am pgrtæju`gs mk `g jgtmdlræg am kl hrgjturgags qum kl jufp`mk m` jretmrel am pgrtæju`gs hrgjturgags. Ymg`ezgfls? %   6

=. JLKJ@]ZELKMZ  

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(.  ∔ ) + (.  ∔ )   ∔   6 % %  