cuadro de madera.xlsx

7/26/2019 cuadro de madera.xlsx

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18025237.5

29

92515

DISEÑO DE CUADROS DE MADERASELECCIÓN DEL SOMBREROEstimad d! "a #$!si% d!" t!$$!% s&$! !" '(ad$ d! mad!$a.

Hw=0.35(B + H)

B 1.2 m 120 'm A%') d! "a *a"!$ia

L 1.2 m 120 'm "%*it(d d!" sm&$!$

+ 1.8 m 180 'm A"t($a d!" '(ad$

1.9 m 190 'm

0., m ,0 'm1.05 m 105 'm A"t($a d! 'a$*a d! "a

0.-5 m -5 'ma 1.3 m 130 'm Dista%'ia !%t$! '(ad$

2.7 0.0027 /!s !s#!'i' d! '

Peso de seccion "A" Peso de s

a &

a 1895.-0 * &

Peso Tota

3880.2,

!s4(!$s admisi&"! !% 4"!i% 6 s4 180

CALCULO DE PE!O# LATEAL

s!*% !:a*)i

La #$!si% )$i:%ta" #$m!di s!$a

;"!i% Estati'a6 s$

Cm#$!%si% /a$a"!"a a "a ;i&$a6 sc%

Cm#$!%si% /!$#!%di'("a$ a "a ;i&$a6 sct

Ci:a""ami!%t6 s$

Md(" d! E"asti'idad6 E

$'a m(< 4$a't($ada !% &"=(!6 a"*(%as 4$a't($as a&i!$tas. R'a*$a%id$ita6 #!s !s#!'i' d 2.7 s! t$ata d!" ti# d! $'a D!% d%d! a"t($a d! 'a$*a !s> ?'a$*a a't(a%t! s&$! !" t(%!"@

L# A"t($a d!" #st! ?i%'"i

)& )& B2 A"t($a d!+

)a )a + )& a"t($a d

t%m *'m

)a . B . A .

* 'm



d%d!>+ A"t($a d! '(ad$

d!%sidad s(!"ta

0.15795

Ca$*a s&$! "s #st!s>/ 19-0.13 *

L# "%*it(d d!" #st!M 9510- F

M 152993* 'm

&. Poste de 'a seccion tansesa' cic*'a

As(mi!%d (% diam!t$ d> , #("*

R!"a'i% d! !s&!"t!:

11.-5,5

G 13.-, ?;a't$ d! E("!$ #a$a '"(m%assi H G

Ca$*a Admisi&"!A

A

/a 30,-5.7- * 19-0.1

. Poste de 'a seccion tansesa' ectan,*'a

C%sid!$a%d = !" sm&$!$ !s d! 9J 11J ?9J d! a%')@As(mi!%d (% a%') d! & , #("*

d 18.,,2,7 'm !=(iKa"!

S! t$ata d! (%a '"(m%a "a$*a

s

+ *'m

Mm!%t ma '%sid!$a%d = "a 'a$*a !4!'tiKa s&$! !" #st! !s simt$ia%*(" s! tma i*(a" a "a "%*it(d d!" #st!. /a$a !st! ti# d! 'a$*a(%i4$m!m!%t! )a'ia (% !t$!m.

M 0.1283 + . a . L#

G !

)HH5.0(3.0 WsH += γ σ

2

WWP

BA +

=

4.25

LK e=λ

scp

E7025.0K

σ ×=

scp.A32Pa σ =

b

M6d

sf ×

=

σ



/a -7782.- * 19-0.1 *

18025237.5

29

92515

CA-A AD!BLE DE U# PU#TAL DE ADEA

&. COLU#A! COTADA!

D!&! '(m#"i$s!>

/ &&

L "%*(it(d d!" sm&$!$

1.2/ $!"a'i% d! !s&!"t!:

Caso A1

#(%ta" d! s!*($idad d!>L 5 #i!s 1.52-39 md 7 #("* 17.78 'm

10.29 11 ?'"(m%a '$tada@

#$!si% admisi&"!6 *

2-8.2872

/a ,25,8.39 *

. COLU#A! #TEEDA!

D!&! '(m#"i$s!>

11 /

D%d!> E 92511.99

G 13.-, ?;a't$ d! E("!$ #a$a

;"!i% Estati'a6 s$

Cm#$!%si% /a$a"!"a a "a ;i&$a6 sc%

Cm#$!%si% /!$#!%di'("a$ a "a ;i&$a6 sct

Ci:a""ami!%t6 s$

Md(" d! E"asti'idad6 E

H L! d L! "%*it(d !4!'tiKa

L! G ! .LG ! d!#!%d! d! "as '%di'i%!s d!" !m#t$ami!%tG !

H

/a A. s'#

A ?.d@- 'mA 'm

scp.A3

Pa σ =scp.d. b

3Pa σ =

scp

E7025.0K σ

×=



Caso B1

#(%ta" d! s!*($idad d!>L 7 #i!s 2.13-15 md 8 #("* 20.32 'm

12., G ?!s (%a '"(m%a i%t!$

32-.2935

/a 3EP009

H

A ?.d@- 'mA 'm

−=

4

cpKd

L

3

11

A

Paσ



;a't$ d! '%K!$siQ% 12 #("* 1 #i!1 m 3.28 #i!s1 #("* 2.5- 'm1 m 100 'm

1 0.001

$'a

s

a$*a

ccion "B"

. ?+&2@ . a .

198-.8,29

*'m*'m*'m*'m

*'m t%m *'m

a'i% d!" #st! 75@

'a$*a d! "a s!''i% B

"a 'a$*a d! "a s!''i% A



F

15.2- 'm

@

A$!a d!" #st!

182.-2

*

15.2- 'm

7.35 #("*

i"a$ a" t$ia%*(" d! "a * 1. "a &as! d!"6 d%d! "a 'a$*a !sta a(m!%ta%d



a'!#ta&"! 'm '"(m%a

;a't$ d! '%K!$siQ% 12 #("* 1 #i!1 m 3.28 #i!s1 #("* 2.5- 'm1 m 100 'm

1 0.001

. COLU#A! LA-A!

D!&! '(m#"i$s!>

G

#(%ta" d! s!*($idad d!>

L 10 #i!sd 8 #("*

"(m%as@

*'m*'m*'m*'m

*'m t%m *'m

6 !% !st! 'as>

*'m



18 13.-3

32-.2935213.-1-,3'm

m!dia@ /a 5--81.32 *

H

A ?.d@- 'mA 'm

scpA3

2

Pa σ =



& !o2eo de 'a seccion tansesa' cic*'a1

Diam!t$ d!" sm&$!$

d = &4.06 c2 = 5.5

d!sta! 1.5

d 5.6 1-.88d! d 1.5 -.3, 11.07

3,.131

!" diam!t$ #$#(!st % !s admisi&"!

. !o2eo de 'a seccion tansesa' ectan,*'a 1

Mm!%t maim>

Es4(!$: admisi&"! !% T!i% d!" sm&$!

As(mi!%d>& , #("*

) 11.71 'm

& )

S!"!''iQ% d! (%a Ki*a , #("* -.,10215.2- 'm 11.71

V!$i'ams !" diam!t$ $!s#!'t a" !s4(!$: '$ta%t! !!t$!ms6 '%sid!$a%d =(! !" diam!t$ d!" sm&$!$d$!%a! ?1.5J d! d!sta!@ !s d!>

Wma *'m

A =

B =

T =

V!$i'ams #$ '$ta%t! !4!'tiK JV!J '%sid!$a%d d!t$!ms6 !% "a s!''i% '$iti'a.

3/1

2sf .L

Wt.L.084.1d

=

σ

3a!

de

d .Wt84".0 ×=τ

BAt

3

bB

AA

MMM

a..#.4524.0M

L.W8

1M

+=

=

=

γ

vladeanchob

viladealturah bh

6M sf

2

=

==σ



Ca$*a "i%!a"

32.3355 *'m

19-0.13 *

15,1.-82 *

Es4(!$: '$ta%t! #!$misi&"! '% a"t($a d!staada ?1.5J

8.89

17.2879

!" diam!t$ #$#(!st !s ad

Vma

V! Vma .)V!

)!

W *'m

2

W .L$ & Ma!'( )(*ta+te Esf,e*-( =

L

WW =

e

e

#. b

$5.1=τ



/ G

3.0-9 m 30-.88 'm20.32 'm



?!s (%a '"(m%a La$*a@



%*',

'm'm

s4 29

28-31* 'm

3-299* 'm

,2730* 'm

$>

7s$ = 180.10,3

15.2-'m

-.,102#("*

#("*'m

"sJd!J !% !"

*'m

sta! !% "s

hbpreferiblega

ga

≤



d!sta!@

s4 29isi&"!

*'m

cuadro de madera.xlsx

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