Ensayos Propiedades Físico Mecánicas Del Eucalipto

+;#&! 'e e&(!)%(. E" e&(!)% *%&(#(e e& !,"#*! &! *!3! !H#!" 3!'!" ! "! ,%0e! =!(! ;e "! +e(! /!""e ,% *%+,e(#-& ,!! %0e&e e" e(/e$% 4"#+%. A'e+( ,!! *!"*"! e" +-'"% 'e e"!(#*#'!' (e 'e0e !,"#*! e(! *!3! ! #&e7!"%( 'e  3 ,!! +e'# 3!'!"+e&e ( 'e/%+!*#-&. C0*&$  3'("4, - $( (&!/-$(: E" e(/e$% 4"#+% (e 'e0e *!"*"! +e'#!&e "! (#3#e&e /-+"!: σ ult =

 F ult   A

D%&'e: σ ult 

: E(/e$% 4"#+% ! !**#-& ,e,e&'#*"! e& MP!

 F ult 

: C!3! 'e %! e& N

 A: Áe! 'e "! (e**#-& !&(7e(!" 'e "! +e(!. P!! *!"*"! e" M-'"% 'e E"!(#*#'!' ! *%+,e(#-& 'e *!'! ,%0e! !&!"#$!'! (e 'e0e e!"#$! & *!'% ;e !&!"#*e "! *!3! ) 'e/%+!*#-& 'e "! ,%0e! ;e (e !&(/%+!! e& e(/e$% ) 'e/%+!*#-& &#!#!. Y *!"*"! +e'#!&e "! (#3#e&e /-+"! ;e eH,e(! "! "e) 'e %%e. σ = E∗ ε

D%&'e: σ 

: E(/e$% e& MP!

 E: M-'"% 'e E"!(#*#'!' e& MP! ε

: De/%+!*#-& &#!#!

COMPRESIÓN PERPENDICULAR A LA FIBRA:

Obj!"#$: Dee+#&! e" e(/e$% ) +-'"% 'e e"!(#*#'!' ! *%+,e(#-& ,e,e&'#*"! 'e" E*!"#,%.

A'//!$(: −

M;#&! e(!" 'e e&(!)%(

−

De/%+6+e% ,!! e" *"*"% 'e "! 'e/%+!*#-& &#!#!

E(')*"+, - '&b/: L! ,%0e! e( & ,#(+! e*!&3"! 'e (e**#-&  H  *+. ) & "!3% 'e 1 *+. A'e+( 'e0e+%( +!*! "! $%&! *e&!" 'e "! ,%0e! ,!! *%"%*! "! ,"!*! "! +#(+! ;e e*#0# ) e,!# "! *!3! e& "! +e(! 'e e&(!)%. P$*-"+",!$: T%+! "!( +e'#'!( 'e" !&*=% 'e "! +!'e! ) e" "!'% ;e *%"!0%! ,!! e" e&(!)%. I&3e(! e& e" '#(,%(##7% 'e *%+,e(#-& 'e "! +;#&! 'e e&(!)%( !'e+( (e 'e0e *%"%*! & 'e/%+6+e% e& "! 0!(e 'e" *#"#&'% ,!! +e'# e" 'e(,"!$!+#e&% 'e" +#(+%. P!! *!"*"! e" +-'"% 'e e"!(#*#'!' ! *%+,e(#-& ,e,e&'#*"! 'e "! ,%0e! (e 'e0e e!"#$! & *!'% ;e e&3! "! 'e/%+!*#-& ;e 7!6! 'e  ! 2. ++ *%& I&e7!"%( 'e .1 ++. A'e+( 'e "! *!3! *%& ;e (e '! e(! 'e/%+!*#-&. P!! /#&!"+e&e *!"*"! e" +-'"% 'e e"!(#*#'!' E. C0*&$  3'("4, - $( (&!/-$(: E" e(/e$% 4"#+% (e 'e0e *!"*"! +e'#!&e "! (#3#e&e /-+"!: σ ult =

 F ult   A

D%&'e: σ ult 

: E(/e$% 4"#+% ! !**#-& ,e,e&'#*"! e& MP!

 F ult 

: C!3! 'e %! e& N

 A: Se**#-& !&(7e(!" 'e "! +e(!.

P!! *!"*"! e" M-'"% 'e E"!(#*#'!' ! *%+,e(#-& 'e *!'! ,%0e! !&!"#$!'! (e 'e0e e!"#$! & *!'% ;e !&!"#*e "! *!3! ) 'e/%+!*#-& 'e "! ,%0e! ;e (e !&(/%+!! e& e(/e$% ) 'e/%+!*#-& &#!#!. Y *!"*"! +e'#!&e "! (#3#e&e /-+"! ;e eH,e(! "! "e) 'e %%e. σ = E∗ε

D%&'e: σ 

: E(/e$% e& MP!

E: M-'"% 'e E"!(#*#'!' e& MP! ε

: De/%+!*#-& &#!#!

IV.

RESULTADOS:

ENSAYO DE COMPRESIÓN PARALELA A LA FIBRA:

Gráfca esuerzo vs. deormaciónEnsayo de compresión paralela a la fbra 350 300 250 Probeta 1

200

Esuerzo (Kg/cm2

Probeta 2 150

Probeta 3

100 50 0 0

0.01

0.01 0.02

0.02

0.03

Deormación

E(/e$% 4"#+%: P%0e!

σ ult =

σ ult 

1

2

5

 F ult 

5.2 3*+2

522.9 3*+2

59.?? 3*+2

51.12 3*+2

 A

2. MP!

51.9 MP!

5.1 MP!

5.8 MP!

M-'"% 'e e"!(#*#'!': Se %07% "#&e!"#$!&'% "! 3/#*! e(/e$% 'e/%+!*#-& e& "! $%&! e"(#*!. Ve !&eH% N 8 P%0e!  E=

1

2

5

E ,%+

σ 

289 3*+2

2892 3*+2

2211 3*+2

25?9@ 3*+2

ε

2.59 GP!

2.82 GP!

2.2 GP!

2.58 GP!

ENSAYO DE COMPRESIÓN PERPENDICULAR A LA FIBRA:

Gráfca esuerzo vs. deormaciónEnsayo de compresión perpendicular a la fbra 120.000

100.000

80.000

Probeta 1 Esuerzo (Kg/cm2 60.000

Probeta 2

Probeta 3

40.000

20.000

0.000 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018

Deormación

E(/e$% 4"#+%: P%0e!

σ ult =

σ ult 

1

2

5

 F ult 

98.?8 3*+2

92.9 3*+2

91.9 3*+2

@.9@ 3*+2

 A

8.@ MP!

.2 MP!

. MP!

9.9 MP!

1

2

5

E ,%+

σ 

12@2 3*+2

1?21 3*+2

1? 3*+2

19? 3*+2

ε

1.2 GP!

1.@ GP!

1.2 GP!

1.92 GP!

M-'"% 'e e"!(#*#'!': Ve !&eH% N 5 P%0e!  E=

V.

ANÁLISIS Y DISCUSIÓN DE RESULTADOS:

Se34& "%( e("!'%( "! e(#(e&*#! 'e "! +!'e! ! "! *%+,e(#-& ,!!"e"! ! "! /#0! e( +!)% (e34& "! 0#0"#%3!/6! *%&("!'! e" +-'"% 'e e"!(#*#'!' ,!! "! *%+,e(#-& ,e,e&'#*"! 7!6! 'e 8.22 M,! ! . MP! 85 ! @ 3*+2 +#e&!( ;e ,!! "! *%+,e(#-& ,!!"e"! 7!6! 'e 9.?@ GP! ! 11.? GP! @ ! 12 3*+ 2. L! 7!#!*#-& e&e &e(%( e("!'%( ) "%( 'e "!( e/ee&*#!( 0#0"#%3/#*!( (e 'e0e e& 3!& ,!e ! "! ,%*! ,e*#(#-& 'e "e*! 'e" !*%!+#e&% 'e "%( e(,e*6+e&e( 'e ,e0! '!&e e" e&(!)% ,e( &% (e *e&! *%& e" (%/
VI.

−

CONCLUSIONES Y RECOMENDACIONES:

E" +-'"% 'e Y%&3 *!"*"!'% 'e "! +!'e! 'e e*!"#,% (%+e#'! ! *%+,e(#-& ,!!"e"! ! "! /#0! e( 2.58 GP! ) (%+e#'! ! *%+,e(#-& ,e,e&'#*"! e( 'e 1.92 GP!.

−

 A ,!# 'e "! 3/#*! e(/e$% 7(. 'e/%+!*#-& 'e "! $%&! e"(#*! %07#+%( e" +-'"% 'e

−

e"!(#*#'!' ,!! *!'! #,% 'e *!3! ,!!"e"! ) ,e,e&'#*"! ! "! /#0! N% /e ,%(#0"e *!"*"! e" *%e/#*#e&e P%#((%& ,e( &% *%&!+%( *%& e" e;#,% 'e e&(!)% ! !**#-&.

−

Se e*%+#e&'! ;e (e !';#e! e" (%/
VII.

BIBLIOGRAFÍA:

Gee J!+e(. 212. Resistencia de Materiales.  e'. M!'#': P!!&#&/%.

P)e" A&'e< ) Fe'#&!&' S#&3e. 18. Resistencia de Materiales. 8 e'. MKH#*%: A"/!%+e3!

 A3e""e( R!+-&. Estructuras de madera: diseño y cálculo. Re*,e!'% e" 1 'e &#% 21 'e =,(:0%%(.3%%3"e.*%+.,e0%%(#'78Z2'NT CYCW,3PA1?W",3PA1?W';*%+,e(#%&,!!"e"!,e,e&'#*"!/#0!+!'e!W(%*e0"W% (O="MEM%1W(#3HDGD1++DIB#X*LY=EW="e(W(!XWe# PZ
=,:<<<.*%,!&.%3#&'eH.,=,e(

VIII.

ANE5OS:

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2

*+2

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P%0e! 1 'e/  "%&3# "#&e!" ' /#&!" \ 2 

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f(x ! 24064.8x - 72.66 f(x ! 24625.46x - 134.67

200 Probeta 1 "inear (Probeta 1 Esuerzo (Kg/cm2 150

Probeta 2

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Deormación

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PANEL FOTOGRÁFICO:

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