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ASTM DESIGNACIÓN: D 6024 – 02MÉTODO DE ENSAYO ESTÁNDAR PARA CAÍDA DE BOLA EN MATERIAL DERESISTENCIA BAJA CONTROLADA (MRBC) PARA DETERMINAR

CONVENIENTEMENTE LA APLICACIÓN DE CARGA! ALCANCE

! E"#$ %"&%''$'*+ %,&-'$ -$ .%#%/+$'*+ .% -$ '$&$'.$. .%- M$#%/$- .%R%""#%+'$ B$1$ C+#/-$.$ (MRBC) $ /%""#/ '$/3$ %.$+#% -$ '$.$ /%&%#.$ .%5+ &%" %#-' "7/% %- $#%/$- %+ %- -53$/!

!2 T." -" 8$-/%" 7"%/8$." 9 '$-'5-$." %"#$/+ .% $'5%/. '+ -"-+%$%+#" &$/$ .3#" "3+'$#8" 9 /%.+.% %"#$7-%'. %+ -$ P/'#'$ D6026! !2! L" #." 5"$." &$/$ %"&%''$/ '5$+#$ +;/$'*+ %" /%'-%'#$.$<'$-'5-$.$< /%3"#/$.$ %+ %"#% #. .% %+"$9 + %"#$ ./%'#$%+#% /%-$'+$.$

'+ -$ &/%'"*+ $ -$ '5$- -$ +;/$'*+ &5%.% "%/ $&-'$.$ %+ ."%= 5 #/" 5""< $7"! C "% $&->5%+ -" /%"5-#$." 7#%+." 5"$+. %"#% %"#+.$/ %"#$ ;5%/$.% "5 $-'$+'%!

!? L" 8$-/%" .%'-$/$." %+ 5+.$.%" SI "%/+ '+".%/$.$" ' %- %"#+.$/! L$"%>58$-%+'$" -7/$"@&5-3$.$" "+ "#/$.$" "-$%+#% &/ +;/$'*+!

!4 MRBC %" #$7+ '+'. ' /%--%+ 5.< /%--%+ .% .%+".$. '+#/-$.$<-%'$.$ .% "5%-@'%%+#< 3/5# .% "5%-@'%%+#< /%--%+ "+ '+#/$''*+< @/%# 9 #/" +7/%" "-$/%"!

!F E"#% %"#+.$/ + &/%#%+.% "%=$-$/ #." -" &/7-%$" .% "%35/.$.< " $9

$-35+< $"'$. '+ "5 5"! E" /%"&+"$7-.$. .%- 5"5$/ .% %"#$ +/$%"#$7-%'%/ -$ "%35/.$. $&/&$.$ 9 &/'#'$" .% "$-5.< $" ' .%#%/+$/ -$$&-'$7-.$. .% -$" -#$'+%" /%35-$./$" $+#%" .% "5 5"!

2! DOCMENTOS REHERENCIADOS

2.1 Estándares ASTM:

C 2F T%/+-3$ R%-$#8$ $ C+'/%# 9 A3/%3$." &$/$ C+'/%#

D 6F? T%/+-3$ R%-$#8$ $ S5%-"< R'$" 9 H-5." C+#%+."

D ?40 P/'#'$ .% R%>5"#" M+" &$/$ E&/%"$" C&/%#.$" '+ %-E+"$9 9 I+"&%''*+ .% S5%-" 9 R'$" ' "+ "$.$" %+ %- D"%= .%I+3%+%/$ 9 C+"#/5''*+

D 4K?2 M#. .% E+"$9 &$/$ P/%&$/$'*+ 9 E+"$9 .% M$#%/$- .% R%""#%+'$B$1$ C+#/-$.$ (MRBC)

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D 602? M#. .% E+"$9 &$/$ P%" +#$/< R%+.%+# 9 C+#%+. .% A/%(G/$8#/') .% M$#%/$- .% R%""#%+'$ B$1$ C+#/-$.$!

D 6026 P/'#'$ &$/$ " .% D3#" S3+'$#8" %+ I+;/$'*+ G%#'+'$!

D 60? M#. .% E+"$9 &$/$ C+""#%+'$ .%- H-51 %+ M$#%/$- .% R%""#%+'$

B$1$ C+#/-$.$ (MRBC)

?! TERMINOLOGÍA

?! D%+'+%" – P$/$ .%+'*+ .% #/+" %+ %"#% #. .% %+"$9< /%/$"% $ T%/+-3$ C 2F 9 D 6F?!

?!2 D%+'*+ .% T/+" E"&%''" $ %"#% E"#+.$/:

?!2! M$#%/$- .% R%""#%+'$ B$1$ C+#/-$.$ (MRBC)< +5+$ %'-$ .% "5%- $3/%3$."< $#%/$- '%%+#$+#%< '%+$ 8-$+#%< $35$ 9 $-35+$" 8%'%" $.#8">5'"< >5% %+.5/%'%+ .%+#/ .% 5+ $#%/$- '+ 5+$ /%""#%+'$ $9/ >5% %-

"5%-< &%/ %+" .% K400&$ (200 &")!

?!2!! D"'5"*+ – "$. ' 5+ /%%&-$ &$/$ /%--%+" '&$'#$."< %- MRBC&5%.% "%/ '-'$. ' 5+$ -%'$.$< 5+ /#%/< 5+ $#%/$- '&$'#$. 9#&'$%+#% #%+% /%""#%+'$" .% ?F0 $ 00 &$ (F0 $ 00 &") &$/$ 5'$"$&-'$'+%"!

4! RESMEN DEL MÉTODO DE ENSAYO

4! + &%" '-+./' %"#+.$/ "% .%1$ '$%/ '+' 8%'%" .%".% 5+$ $-#5/$ %"&%''$"7/% -$ "5&%/'% .%- MRBC %+ %- -53$/! E- .%#/ .% -$ 5%--$ /%"5-#$+#% %"

%.. 9 '&$/$. &$/$ %- %"#$7-%'%+# .% '/#%/"! L$ 5%--$ %"+"&%''+$.$ &/ '5$->5%/ $35$ -7/% %+ -$ "5&%/'% .%"&5" .%- &$'#!

F! SIGNIHICADO Y SO

F! E"#% #. .% %+"$9 %" 5"$. &/%/$%+#% ' 5+ %+"$9 .% '$& &$/$.%#%/+$/ -$ &/%&$/$'*+ .%- MRBC &$/$ $'%$'*+ .% '$/3$" &/%8$ $ -$ $.'*+.% 5+$ "5&%/'% .% 5" #%&/$- &%/$+%+#%!

F!2 E"#% #. .% %+"$9 + %" 5+ %. &$/$ &/%.%'/ -$ '$&$'.$. .% '$/3$ .%5+$ %'-$ .% MRBC!

F!? E"#% %+"$9 %" 5+ .% 5+$ "%/% .% %+"$9" .% '+#/- .% '$-.$. >5% &5%.%+"%/ %;%'#5$." "7/% %- MRBC .5/$+#% -$ '+"#/5''*+ &$/$ +#/$/ -$ '+'/.$+@'$ '+ -" /%>5"#" .% -$ %"&%''$'*+! L" #/" %+"$9" >5% &5%.%+ "%/ 5"$.".5/$+#% %- '+#/- .% -$ '+"#/5''*+ "+ -" M#." .% E+"$9 D 4K?2< D 602?< 9D 60?!

N#$ – L$ '$-.$. .%- /%"5-#$. &/.5'. &/ %"#% %"#+.$/ .%&%+.% .% -$'&%#%+'$ .%- &%/"+$- >5% - %1%'5#$ 9 .% - '+8%+%+#% .%- %>5& 9

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;$'-.$.%" 5"$.$"! E&/%"$" >5% /%+%+ -" '/#%/" .% -$ P/'#'$ D ?40 "+3%+%/$-%+#% '+".%/$." '$&$'%" .% %+"$9 5%"#/% +"&%''*+ '&%#%+#% 971%#8$ 9 .% -$" "-$/%"! L" 5"5$/" .% %"#% %"#+.$/ %"#+ &/%'$8." >5% -$'+'/.$+'$ '+ -$ P/'#'$ D ?40 + $'% &/ " "$ $"%35/$/ /%"5-#$."'+$7-%"! L" /%"5-#$." '+$7-%" .%&%+.%+ .% 5'" ;$'#/%" -$ P/'#'$ D

?40 &/&/'+$ 5+ %. .% %8$-5$/ $-35+" .% %"" ;$'#/%"!

6! APARATOS

6! Aparato Caída de Bola – 5+ '-+./ '+ 5+ ;+. %+ ;/$ "%%";/'$ 9$+%/$- '+ 5+$ $"$ .% 4 0!0F Q3 (?00! -7)< 9 5+ %"#/7 $/' &$/$ 35$/%- $+%/$- (H3! )!

6!! Peso – E- '-+./ &%"$. (7-$)< "%/ .% $&/,$.$%+#% F ' (6 &5-3!) .%.%#/ 9 2 ' (4 FK &5-3!) .% $-#5/$< '+ %- 7/.% "5&%// %+ +35- /%'# '+

%- %1% 9 %- ;+. %+ ;/$ "%%";/'$ .% F (? &5-3!) .% /$.! E- '-+./&%"$. &5%.% "%/ ;$7/'$. .% %#$- %+ %,"#%+'$ -.%$. -$.<&/&/'++.-% -$" .%+"+%" 9 &%" '+ %- $+%/$- >5% /%+$ -" /%>5"#"< %-$'$7$. %" -"!

6!!2 Maneral – E- $+%/$- "%/ 5+$ 7$//$ %#-'$< '+ ? (2 &5-3! ) .%.%#/! E- $+%/$- &5%.% "%/ %+ ;/$ .% T 5+ /%'#+35- '%//$. %+ %- 7/.%"5&%// &$/$ &%/#/ $3$//$/- '+ -$ $+!

6!!? Estribo – E- %"#/7 "%/ $- %+" ?K ( &5-3!) .% $+'! E- $/' .%-%"#/7 %"#$ $.%/. "%35/$%+#% $ 7->5%" >5% "% %-%8$+ ' (? &5-3!)!

6!!4 Bloques – &%$" .% $.%/$< &-"#' .% &%" -%'5-$/ 5-#/$ $-# (MU&/ "5" "3-$" %+ +3-") .% ' (? &5-3!) .% $-#5/$< "+ 5"$." &$/$ %-%8$/ -"%"#/7" $ -$ $-#5/$ $&/&$.$! L" %"#/7" .%7%+ %"#$/ '%+#/$." %+ -" 7->5%"&$/$ %8#$/ -$.%$/"% 8-#%$/"%< 9 $.%/." "%35/$%+#% $ -" %"#/7" &$/$>5% + '5//$ 5+ '$7 .% &"'*+! L" 7->5%" "%/+ &$/$-%-" 5+ $- #/ 9&%/&%+.'5-$/%" $- $/' &/+'&$-! L" 7->5%" + .%7%+ +#%/;%// '+ %- $&$/$#.% '$.$ .% 7-$! C$.$ 7->5% .%7%/ #%+%/ -$ .%+"*+ +$ .% ' (? &5-3!) .% $+' &/ K ' ( &5-3! ) .% -+3#5. '+ 5+ /%$ .% '$/3$ +$ .%FF '2 (24 &5-32)!

6!2 Dispositivo de medición – '$&$ .% %./ %- .%#/ .% -$ 5%--$! E"#% .%7% "%/

'$&$ .% %./ 5+ + .% ? (K &5-3!)!

! PROCEDIMIENTO

! L$ "5&%/'% .%- MRBC +%'%"#$/ "%/ #$+ +8%-$.$ ' "%$ &"7-% %.$+#%$5#+8%-$. &/ $''*+ .% 5+ %"'$" 7$//. '+ %//$%+#$" .% $+! P+3$ -$7$"% %-%8$.$ .%- $&$/$# %+ -$ "5&%/'% +8%-$.$ .%- MRBC< '+ %- $+%/$- %+&"'*+ 8%/#'$- 9 -7/% &$/$ .%"-$/ $ #/$8" .%- $/'! P+3$ %"'$"$ &/%"*+ %+ %-

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$/' '+ "5 $+ -7/% &$/$ %"#$7-$/ %- ."&"#8! L%8$+#% %- $+%/$- %+ -&"7-% &%/#%+. >5% %- 7/.% "5&%/'$- .% -$ 7-$ $3$ '+#$'# '+ -$ &$/#%.% $7$1 .%- $/' .%- %"#/7! L7%/% %- &%" &%/#+.-% '$%/ -7/%%+#% $ -$"5&%/'% .%- MRBC! R%&#$ %"# &/ 5+ ##$- .% '+' 8%'%" %+ '$.$ -'$-$'*+%+"$9$.$! A+#%" .% %+"$9$/ 5+$ +5%8$ -'$-$'*+ .%- MRBC %+ %- -53$/< /%5%8$

$-3+ $#%/$- >5% "% $9$ $.%/. $ -$ 7-$ .%- %+"$9 &/%8!!2 M.$ %- .%#/ .% -$ 5%--$ .%1$.$ &/ -$ 7-$< '+ 5+ ."&"#8 .% %.'*+(N#$ 2)! S %- .%#/ .% -$ 5%--$ %" F (? &5-3!) %+#+'%" %- MRBC %"'+8%+%+#% &$/$ -$ $&-'$'*+ .% '$/3$! S %- .%#/ .% -$ 5%--$ %" 6 (W?&5-3!) %+#+'%" %- MRBC %" +'+8%+%+#% + -"# &$/$ -$ $&-'$'*+ .% '$/3$!

N#$ 2! – E"# $ ". "#/$. 7$1 5" -#$.< >5% 5+$ 5%--$ F (? &5-3!)%" '+8%+%+#% &$/$ $&-'$'*+ .% '$/3$ +/$-!

!? I+"&%''+% -$ 5%--$ &/ $35$ "5&%/'$- 8"7-% #/$.$ $ -$ "5&%/'% &/ -$$''*+ .% '$.$ .% -$ 7-$! L$ "5&%/'% .%7% -5'/ "-$/ $ $>5%--$ $+#%" .%-

%+"$9 '+ -$ %,'%&'*+ .% 5+$ 5%--$! L$ &/%"%+'$ .% $35$ "5&%/'$- +.'$ >5%%- MRBC %" +'+8%+%+#% + -"# &$/$ -$ $&-'$'*+ .% '$/3$!

K! INHORME

K! I+;/% - "35%+#%:

K!! I.%+#'$'*+ .%- &/9%'#

K!!2 L'$-$'*+ .%- %+"$9

K!!? I.%+#'$'*+ .%- .%"%&%= +.8.5$- .%- #. .% %+"$9

K!!4 H%'$ %+ >5% %- %+"$9 %" %;%'#5$.

K!2 R%&/#% -$ "35%+#% +;/$'*+:

K!2! A35$ "5&%/'$- 8"7-% 7/-- %+ -$ "5&%/'% &/ -$ $''*+ .% -$ '$.$

K!2!2 I//%35-$/.$.%" %+ -$ "5&%/'% .%- MRBC %+ %- -53$/ #$-%" ' 5%--$" $ -$>5%/.$ &/ -" 7->5%" $3/%#$%+# "%8%/< 9

K!2!? D%#/ .% -$" 5%--$" $- " '%/'$+ ? (K &5-3!)!

! PRECISIÓN Y TENDENCIA

! P/%'"*+ – I+;/$'*+ .% -" %+"$9" "7/% &/%'"*+ + %" &/%"%+#$.$ .%7.$ -$ +$#5/$-%$ .% %"#% #. .% %+"$9! E" &' ;$'#7-% 9 #$7+ '"#" %+%"#% #%&< #%+%/ .% " -$7/$#/" &$/#'&$+. %+ 5+ &/3/$$ .% %+"$9"%+ %- -53$/< %+ 5+ "# .$.!

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!! E- S57'# DK!F %"#$ 8%+. $-35+$ +;/$'*+ .% -" 5"5$/".%- #. .% %+"$9 >5% &5%.$ "%/ 5"$.$ &$/$ $'%/ 5+$ -#$.$ .%'-$/$'*+"7/% &/%'"*+!

!2 T%+.%+'$ – N $9 8$-/%" .% /%;%/%+'$ $'%$." &$/$ %"#% #. .%%+"$9< &/ - #$+#< -$ #%+.%+'$ + &5%.% "%/ .%#%/+$.$!

0! PALABRAS CLAVE

0! /%--%+ $&$/$# .% '$.$ .% 7-$ /%+#$'*+ MRBC '+#/- .% '+"#/5''*+'$/3$ #%&/$+$ /%--%+ 5. ."%= .% %'-$ '+#/- .% '$-.$. %"#$7-$'*+.% "5%-" $35$ "5&%/'$- "5&%/'% .% 5"!

R%;%/%+'$: A++5$- BQ ; ASTM S#$+.$/."< 200?

S%'#+ 4@ C+"#/5'#+< V-5% 04!0 S- $+. R'Q (II)