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kN m⋅ DETERMINAREA SECTIUNILOR ACTIVE ALE DIAFRAGMELOR TRANSVERSALE
1.DETERMINAREA SECTIUNILOR ACTIVE PENTRU MONTANTI
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DIAFRAGMA DT1
Aria activa la compresiune excentrica:
Am1=3. 6875 m2
Aria activa la forta taietoare
Av1=2.5625 m2
Pozitia centrului de greutate a diafragmei
X=0.3919 m
Y=5.1250 m Momentul de inertie a diafragmei
Im1=41.1911 m4
DIAFRAGMA DT
M!"TA"T#$ 1
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Aria activa la compresiune excentrica:
Am1=2. 3875 m2
Aria activa la forta taietoare
Av1=1.35 m2
Pozitia centrului de greutate a montantului
X=0.1873 mY=2.9551 m Momentul de inertie a montantului
Im1=9.7004 m4
M!"TA"T#$
Aria activa la compresiune excentrica:
Am2=1. 575 m2
Aria activa la forta taietoare
Av2=0.9125 m2
Pozitia centrului de greutate a montantului
X=1.5444 m
Y=1.1099 m Momentul de inertie a montantului
Im2=2.4231 m4
INTREAGA DIAFRAGMA
Pozitia centrului de greutate a diafragmei
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X=1.6305 m
Y=5.1439 m
Momentul de inertie a diafragmei
I0=54.3645 m4
DIAFRAGMA DT%
M!"TA"T#$ 1
Aria activa la compresiune excentrica:
Am1 =1.5258 m2
Aria activa la forta taietoare
Av1=0.9258 m2
Pozitia centrului de greutate a montantului
X=0.2118m
Y=2.5258 m Momentul de inertie a montantului
Im1=2.1462 m4
M!"TA"T#$
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Aria activa la compresiune excentrica:
Am2=0.725 m2
Aria activa la forta taietoare
Av2=0.2 m2
Pozitia centrului de greutate a montantuluiX=1.2603 m
Y=0.1595 m Momentul de inertie a montantului
Im2=0.0157 m4
MONTANTUL 3
Aria activa la compresiune excentrica:
Am3=2.7 m2
Aria activa la forta taietoare
Av3=1.6625 m2
Pozitia centrului de greutate a montantului
X=0.2935 m
Y=3.1093 m Momentul de inertie a montantului
Im3=11.0729 m4
INTREAGA DIAFRAGMA
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Pozitia centrului de greutate a diafragmei
X=0.1903 m
Y=6.6127 m
Momentul de inertie a diafragmei
I0=93.6736 m4
DIAFRAGMA DT4
MONTANTUL 1
Aria activa la compresiune excentrica:
Am1=1.6125 m2
Aria activa la forta taietoare
Av1=0.8875 m2
Pozitia centrului de greutate a montantului
X=0.1494 m
Y=2.5169 m Momentul de inertie a montantului
Im1=2.0222 m4
MONTANTUL 2
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Aria activa la compresiune excentrica:
Am1=0.95 m2
Aria activa la forta taietoare
Av1=0.2 m2
Pozitia centrului de greutate a montantuluiX=1.625 m
Y=0.1829 m Momentul de inertie a montantului
Im1=0.0265 m4
INTREAGA DIAFRAGMA
Pozitia centrului de greutate a diafragmei
X=1.6404 m
Y=2.7213 m
Momentul de inertie a diafragmei
I0=11.7767 m4
DIAFRAGMA DT5
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MONTANTUL 1
Aria activa la compresiune excentrica:
Am1=0.9375 m2
Aria activa la forta taietoare
Av1=0.2125 m2
Pozitia centrului de greutate a montantului
X=0.083 mY=0.657m
Momentul de inertie a montantului
Im1=0.0314m4
MONTANTUL 2
Aria activa la compresiune excentrica:
Am2=1.6 m2
Aria activa la forta taietoare
Av2=0.875 m2
Pozitia centrului de greutate a montantului
X=1.6004 m
Y=1.0137 m Momentul de inertie a montantului
Im2=1.944 m4
INTREAGA DIAFRAGMA
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Pozitia centrului de greutate a diafragmei
X=1.594 m
Y=2.5075 m
Momentul de inertie a diafragmei
I0=11.6395 m4
DIAFRAGMA DT6
MONTANTUL 1
Aria activa la compresiune excentrica:
Am1=2.4381 m2
Aria activa la forta taietoare
Av1=1.3125 m2
Pozitia centrului de greutate a montantului
X=1. 4904 m
Y=2.5481 m Momentul de inertie a montantului
I m1=7.7873 m4
MONTANTUL 2’
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Aria activa la compresiune excentrica:
Am2’=0.925 m2
Aria activa la forta taietoare
Av2’=0.2 m2
Pozitia centrului de greutate a montantului
X=0.1676 m
Y=0.6155 m Momentul de inertie a montantului
Im2’=0.0263 m4
MONTANTUL 2’’
Aria activa la compresiune excentrica:
Am2’’=1.6 m
2
Aria activa la forta taietoare
Av2’’=0.875 m2
Pozitia centrului de greutate a montantului
X=1.5496 m
Y=1.0137 m Momentul de inertie a montantului
Im2’’=1.944 m4
MONTANTUL 2
Pozitia centrului de greutate a diafragmei
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X=1.5562 m
Y=2.498 m
Momentul de inertie a diafragmei
I2=11.5933 m4
DIAFRAGMA DT7
MONTANTUL 1
Aria activa la compresiune excentrica:
Am1=1.4562 m2
Aria activa la forta taietoare
Av1=0.8562 m2
Pozitia centrului de greutate a montantului
X=0.2615 mY=2.3666 m Momentul de inertie a montantului
Im1=1.7292 m4
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MONTANTUL 2
Aria activa la compresiune excentrica:
Am2=2.5812 m2
Aria activa la forta taietoare
Av2=1.4063 m2
Pozitia centrului de greutate a montantului
X=1.5022 m
Y=2.4124 m Momentul de inertie a montantului
Im2=10.9905 m4
INTREAGA DIAFRAGMA
Pozitia centrului de greutate a diafragmei
X=1.5957 m
Y=4.8575 m Momentul de inertie a diafragmei
I0=55.5066 m4
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DIAFRAGMA DT8
Aria activa la compresiune
excentrica:
Am1=3.6875 m2
Aria activa la forta taietoare
Av1=2.5625 m2
Pozitia centrului de greutate a
diafragmei
X=1.3581 m
Y=5.1250 m Momentul de inertie a diafragmei
Im1=41.1911 m4
1.DETERMINAREA SECTIUNILOR
ACTIVE PENTRU RIGLE
RIGLA 1 (l01.20 !"
Aria riglei:
Ar =0.1968 m2
Aria activa la forta taietoare
Avr =0.15 m2
Pozitia centrului de greutate a riglei
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X=0.125 m
Y=0.3559 m Momentul de inertie a riglei
Ir =0.0065 m4
RIGLA 2 (l00.# !"
Aria riglei:
Ar =0.1851 m2
Aria activa la forta taietoare
Avr =0.15 m2
Pozitia centrului de greutate a riglei
X=0.125 m
Y=0.3446 m Momentul de inertie a riglei
Ir =0.0061 m4
RIGLA 3 (l00.#5 !"
Aria riglei:
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Ar =00.1871 m2
Aria activa la forta taietoare
Avr =0.15 m2
Pozitia centrului de greutate a riglei
X=0.125 m
Y=0.3465 m
Momentul de inertie a rigleiIr =0.0061 m4
5.CALCULUL CARACTERISTICILOR DE RIGIDITATE PENTRU O
DIAFRAGMA
CU 2 SIRURI DE GOLURI
CADRUL REAL
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CADRUL INLOCUITOR
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CADRUL REAL$
• RIGIDITATEA MONTANTILOR LA DISTORSIUNEkm1 = (Im1 / He) x Em=(2.1462 x2.8) x Em=6.00936 x Em
km2 = (Im2 / He) x Em = (0.0157x 2.8) x Em = 0.0396 x Em
km3 = (Im3 / He) x Em = (11.0729 x 2.8) x Em = 31.0012x Em
• RIGIDITATEA RIGLEI LA DISTORSIUNE
! = 0.3" x #$ = 0.3" x 0.6 = 0.21 m
% = %1&2 ' 2 x ! =0.9 ' 2 x 0.32 = 1." m
E$ = 2 x Em
1 = 1 / (1 ' (30 x I $ / A x %2)) =
1
1+ 30×0.0061
0.15×1.54❑2
=¿0.66
k$1&2 = ((6 x E$ x I$)/L1&2) x (L1&2/%)2 x =((6 x 2 x Em x 0.0061)/ ") x (" / 1.")3 x 0.66
=0.33 x Em
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! = 0.3" x #$ = 0.3" x 0.6 = 0.21 m
% = %2&3' 2 x ! =1.2 ' 2 x 0.32 = 1.8 m
E$ = 2 x Em 2 = 1 / (1 ' (30 x I $ / A x %2)) =0.*2
k$2&3 = ((6 x E$ x I$)/L2&3) x (L2&3/%)2
x =((6 x 2 x Em x 0.006")/ 3) x (3 / 1.8)3
x 0.*2=0.08x Em
CADRUL EC%IVALENT$
RIGIDITATEA MONTANTILOR LA DISTORSIUNE+ ME=(6.00936'0.0396'31.0012)/2 x Em=18."3 x Em
RIGIDITATEA RIGLEI LA DISTORSIUNE+ RE=0.33 x Em'0.08x Em=0.1 x Em
M&'!l) *+ ,+ -+ I0+´ I es
, = k$e / kme = 0.1 x Em / 18."3 x Em = 0.022
- = 1 ' ((Im1 ' Im2' Im3) / L1&"2) x (1/Am1 ' 1 / Am2'1/ Am3) = 1 ' ((2.1462 ' 0.0157+11.0729) /
132) x (1/1.5258
' 1 /0.725+1/2.7) = 1.188
= x √ λ x γ = x √ 0.022 x 1.188 = 0.6* =DIARAGMA U GOLURI MARI
I0 = (- / (-&1)) x (Im1 ' Im2' Im3) = (1.188 / (1.188&1)) x (2.1462 ' 0.0157+11.0729) = 83.632* m
4 = 11.2" 5 e%7$
1 ......... 0.131
0.022 ... x
0.0" .......... 0.1*3
x = 0.198
0.0......... 0.16*
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0.022 ...
0.0" .......... 0.22
= 0.19032
1.1" ..... 0.198
1.188 ... 4
1.20 ...... 0.19032
4 = 0.180"9"2
´ I es = (4 x I0) / (1'4 x (4 x I0 / Am: x H2)) = (0.180"9"2x 83.632*) / (1'11.2" x
((0.180"9"2x 83.632*/ 2.*883 x (2.8x)2)) = 10.16 m
6.DISTRIUTIA INCARCARII ORI/ONTALE TOTALE LA DIAFRAGMELE
TRANSVERSALE
6.1.1 DETERMINAREA AEI CENTRULUI MASELOR
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G;7!<$7>?e:7$!>4:!%@>ex:=0.00"1900'0.120'0.2"2"00'0.01"1900=66" <!N/m2
G;7!<$7>?e:7$!>4:!%@>:=0.01"1900'0.2"2"00'0.01"1900=682 <!N/m2
DT1 : calculul greutatii
G1 10.25 3 0.25⋅−( ) 2.54⋅ 1.50 3⋅ 2.54⋅+[ ] 2.5⋅ 3 0.25⋅ 2.54⋅ 6.65⋅+ 10.25 3 1.50⋅+( ) 0.26⋅ 6.65⋅+[ ] 4⋅ 508.284=:= k
TRAMA 1:
G2 22.56 4.275 1.5 0.3⋅+( )⋅ 3⋅ 4.75 1.625+( ) 2.59⋅ 1.62⋅ 3⋅+ 22.56 8.81 1.2 0.4⋅+( )+ 609.615=:= kN
TRAMA 2:
15.43 4.275 1.5 0.3⋅+( )⋅ 4.68 5.46 1.5 0.3⋅+( )⋅+ 2.43 4.56 1.5 03⋅+( )⋅+[ ] 3⋅ 4.75 1.5+( ) 2.59⋅ 1.62⋅ 3⋅+ 22.56 8.81 1.2 0.4⋅+( )+ 655.998=
kNDT2 :
G4 5.4 2 0.25⋅−( ) 2.54⋅ 1.5 1+ 0.15+ 1.5+( ) 2.54⋅+ 3.65 0.25−( ) 2.54⋅+ 1.5 1.15+( ) 2.54⋅+[ ] 2.67⋅3 0.25⋅ 2.54⋅ 6.82⋅ 10.25 1.5+ 1+ 0.15+ 1.5+ 1.15+ 1.5+( ) 0.26⋅ 6.82⋅+ 1.2 0.34⋅ 6.82⋅++
... 4⋅ 593.652=:= kN
TRAMA 3:
G5 16.62 4.275 1.5 0.3⋅+( )⋅ 3⋅ 16.62 8.81 1.2 0.4⋅+( )⋅+ 389.988=:= k
TRAMA 4:
G6 16.62 4.56 1.5 0.3⋅+( )⋅ 3⋅ 3.5 2.59⋅ 1.62⋅ 3⋅+ 16.62 8.81 1.2 0.4⋅+( )⋅+ 448.254=:= kN
DT3:
G7 3.7 0.25−( ) 2.54⋅ 2.4 2.54⋅+ 0.8 0.25−( ) 2.54⋅+ 2.1 2.54⋅+ 6.65 3 0.25⋅−( ) 2.54⋅+ 4.15 2.54⋅+[ ] 2.67⋅5 0.25⋅ 6.82⋅ 13.25 2.4+ 2.1+ 4.15+( ) 0.26⋅ 6.82⋅+ 2.1 0.34⋅ 6.82⋅++
... 4⋅ 712.1198=:=k
TRAMA 5:
G8 18.93 4.56 1.5 0.3⋅+( )⋅ 3⋅ 4 2.59⋅ 1.62⋅ 3⋅+ 18.93 8.81 1.2 0.4⋅+( )⋅+ 510.727=:= k
TRAMA 6:
G9 13.07 5.19 3 0.3⋅+( )⋅ 3⋅ 13.07 8.81 1.2 0.4⋅+( )⋅+ 360.209=:= k
TRAMA 7:
G10 22.5 4.275 1.5 0.3⋅+( )⋅ 3⋅ 22.5 8.81 1.2 0.4⋅+( )⋅+ 527.963=:= k
DT4:
G11 3.55 0.25−( ) 2.54⋅ 2.9 2.54⋅+ 0.8 0.25−( ) 2.54⋅+ 3 2.54⋅+[ ] 2.67⋅ 3 0.25⋅ 2.54⋅ 6.82⋅+ 5.25 2.9+ 3+( ) 0.26⋅ 6.82⋅+0.9 0.34⋅ 6.82⋅+ ... 4⋅ 403.891=:= k
TRAMA 8:
G12 14.84 4.275 1.5 0.3⋅+( )⋅ 2.84 4.56 1.5 0.3⋅+( )⋅+ 4.87 5.46 1.5 0.3⋅+( )⋅+[ ] 3⋅ 4.75 1.625+( ) 2.59⋅ 1.62⋅ 3⋅+22.56 8.81 1.2 0.4⋅+( )⋅+
... 629.214=:=kN
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TRAMA 9
G13 4.95 4.56 3 0.3⋅+( )⋅[ ] 3⋅ 4.95 8.81 1.2 0.4⋅+( )⋅+ 127.066=:= k
TRAMA 10
G14 7.425 5.19 3 0.3⋅+( )⋅ 3⋅ 7.425 8.81 1.2 0.4⋅+( )⋅+ 204.633=:= k
TRAMA 11:
G15 19 4.56 1.5 0.3⋅+( )⋅ 4 2.59⋅ 1.62⋅+[ ] 3⋅ 19 8.81 1.2 0.4⋅+( )⋅+ 512.430=:= kN
DT 5:
G16 0.85 0.25−( ) 2.54⋅ 2.9 2.54⋅+ 3.5 0.25−( ) 2.54⋅+ 2.90 2.54⋅+[ ]2.67
2 0.25⋅ 2.54⋅ 6.82⋅ 5.25 2.9+ 2.9+( ) 0.26⋅ 6.82⋅+ 0.9 0.34⋅ 6.82⋅++... 4⋅ 383.146=:= k
DT 6:
G17 5.25 3 0.25⋅−( ) 2.54⋅ 4.5 2.54⋅+ 0.8 0.25−( ) 2.54⋅+ 3.5 0.25−( ) 2.54⋅+ 2.9 2.54⋅+ 2.9 2.54⋅+[ ] 2.67⋅5 0.25⋅ 2.54⋅ 6.82⋅ 5.25 2⋅ 4.5+ 2.9 2⋅+( ) 0.26⋅ 6.82⋅+ 0.95 0.34⋅ 6.82⋅++
... 4⋅ 747.522=:= kN
TRAMA 12:
G18 22.56 5.19 3 0.3⋅+( ) 3⋅ 22.56 8.81 1.2 0.4⋅+( )⋅+ 621.754=:= kN
TRAMA 13:
G19 G12 629.214=:= kN
DT 7:
G18 3.43 0.25−( ) 2.54⋅ 2.4 2.54⋅+ 5.64 2 0.25⋅−( ) 2.54⋅+ 4.5 2.54⋅+[ ]2.673 0.25⋅ 2.54⋅ 6.82⋅ 10.25 2.4+ 4.5+( ) 0.26⋅ 6.82⋅+ 1.2 0.34⋅ 6.82⋅++
... 4⋅ =:= k
TRAMA 14:
G20 20.78 4.56 1.5 0.3⋅+( )⋅ 4.375 1.875+( ) 2.59⋅ 1.62⋅+[ ] 3⋅ 20.78 8.81 1.2 0.4⋅+( )⋅+ 584.041=:= k
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TRAMA 15:
14.21 4.27 1.5 0.3⋅+( ) 2.43 4.56 1.5 03⋅+( )⋅+ 4.125 5.46 1.5 0.3⋅+( )⋅+ 4.37 1.5+( ) 2.59⋅ 1.62⋅+[ ] 3⋅ 20.78 8.81 1.2 0.4⋅+( )⋅+ 607.331==
DT 8:
G22
G1
508.284=:= k
y!164048.5595
11840.756813.855=:=
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6.1.3. DISTRIUTIA INCARCARII SEISMICE LA DIARAGME TRANSVERSALE
6.1.2 Determinarea pozitiei centrului de rigiditate
DIARAGMA A)> A)>
DT1 2."62" 0 0
DT2 2.262" " 11.312"
DT3 2.*883 8.*" 2.39*62"
DT 1.08*" 13 1.13*"
DT" 1.0*" 13.*" 1.*812"
DT6 2.38*" 18 2.9*"
DT* 2.262" 23 "2.03*"
DT8 2."62" 2*.62" *0.*89062"
16.9883 230.303*"
DETERMINAREA BOCITIEI ENTRULUI DE RIGIDITATE
"#$ y! y% − 0.291=:=
y% 230.4304375
16.988313.564=:=
"#$ y! y% − 0.291=:=
& 27.625:=
"' 0.05 &⋅ 1.381=:=
"$I "' "#$− 1.091=:=
"$II "' "#$+ 1.672=:= 799.6064:= k !*$I "$I⋅ 872.1705=:= kN⋅
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E%eme
:
A>
m2
R
m
R2
m
A> x R
m3
A> x R2
m
; x
Av ,i
Σ Av , i
kN
M:>4 x
Av , i x yRi
Σ( Av ,i x yRi2)
;>DT
kN
I
kN
II
kN
DT1 2."62"
13."6
183.9821 3.*"**" *1."
1
120.61191"3 20.*99
*
&31.8*8
9
88.*302
DT2 2.26
2"
8."6
*3.321 19.3*60"
16".936
"
106.91
9"911."9"
&
1*.**1
2
88.*2
29
DT3 2.*8
83
.81
23.1*6 13.2288
6.61**
3
131.239
882 8.032"
0
&
12.311
1
118.9
88
DT 1.08
*"
0."6 0.318096 0.6133"
0.3"92
9
"1.186"
2013 0.36*0
&
0."62"
"
"0.62
9*
DT" 1.0*
"
0.186 0.03"96 0.1999"
0.03*19
1
"0."981
6933
&
0.1196
"
0.1833
89
"0.*8
"6
DT6 2.38
*"
.36 19.6*81 10."909"
6.981
"
112.3*"
00
&
6.33*8
3
9.*13*
"6
122.0
88
DT* 2.26
2"
9.36 89.0381 21.389"
201.8
*
106.91
9"9
&
12.**"
6
19."80
*3
126.0
22
DT8 2."62"
1.061
19*.*11* 36.03131"06.636
3
120.61191"3
&21."61
8
33.0*
03
1"3.689
1"*."
8
*99.606
&
0.0006
8
0.0011
36
*99.6
*"
6.2. DISTRIUTIA INCARCARII SEISMICE PE VERTICALA
P DT3
1=2F;DT/('1)=2F118.9288/('1)=11.89 +N
2=23.*9 +N
3=3".68 +N
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=*."* +N
4=2FF;DT/('1)H=2FF118.9288/("F2.8)=6*.96 +N
7.DETERMINAREA EFORTURILOR AIALE DIN INCARCARI
VERTICALE(NGR"
MONTANT 1 (DT1"
!) DETERMINAREA SUBRAETELOR AERENTES1=2.8203 m2
S=".606 m2
S*=1.12" m2
S10=1.12" m2
S1=".606 m2
S1*=2.8203 m2
;) INARAREA DATA DE BLANSEE
• A?@e$4 :e$!4!
:e$!4!=( S1' S' S*' S10' S1' S1*)F(8.81'1.2F0.)=1*8.106 +N• Ne% ?7$e:
me<>TR1=me<'@<'0.3Fk
me<=(1.2"'.8*").2*"'2.606F."6"/(1.2"'.8*"'2.606)=.3102 +N@<=0.8F0.*969=0.63*"2 +Nme<>TR1=.3102'0.63*"2'0.3 F1."=".39**2 +N
me<>TR2=me<'@<'0.3Fk
me<=1".*"F.2*"'2.3*"F."6"'."F".62"/(1".*"'2.3*"'.")=.96 +N@<=0.8F0.*813=0.62"0 +Nme<>TR2=.96'0.632"0'0.3 F1."="."* +N
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(S1'S'S*) me<>TR1'(S10'S1'S1*) me<>TR2=10".13"" +N?) GREUTATEA BROBRIE BE UN NIJEL A UNUI MONTANT
G="08.28/=12*.0*1 +N<) RECULTANTA EORTURILOR AKIALE LA NIJELUL 0
NDT1=:e$!4!'3@%'G=1*8.106'3F10".13""'F12*.0*1=1001.*96" +N
MONTANT 2 (DT2"
!) DETERMINAREA SUBRAETELOR AERENTE
S2=2.8203 m2
S3=1."312 m2
S"=".606 m2
S6=".2" m2
S8=0.3301 m2
S9=1.12" m2
S11=0.3301 m2
S20=0.2813 m2
S12=0.2813 m2
S13=1.12" m2
;) INARAREA DATA DE BLANSEE
• A?@e$4 :e$!4!:e$!4!=( S2' S3' S"' S6' S8' S9' S11' S*' S20' S12'
S13)F(8.81'1.2F0.)=18.*19F(8.81'1.2F0.)=1*3.861 +N
• Ne% ?7$e:me<>TR3=me<'@<'0.3Fk
me<=16."F.2*"/16."=.2*" +Nme<>TR3=.2*"'0.3 F1."=.*2" +N
me<>TR=me<'@<'0.3Fk
me<=(".2"'10.9)F."6"'/(".2"'10.9)=."6" +N
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@<=0.8F0.3*"=0.3" +Nme<>TR=."6"'0.3"'0.3 F1."=".36" +N
(S2'S"'S8) me<>TR1'(S11'S20) me<>TR2'(S3'S6'S9) me<>TR3'(S12'S13) me<>TR=
.6816F".39**2 '0.611F"."*'*.9062F.*2"'1.063F".36"=*3."**1 +N
?) GREUTATEA BROBRIE BE UN NIJEL A UNUI MONTANTG=((".0&
2F0.2")2."'.1"F2.")2.6*'2F0.2"F2."F6.82'(".'2.*"'1.9)F0.26F6.82=
8*.8"*3 +N<) RECULTANTA EORTURILOR AKIALE LA NIJELUL 0
NDT2=:e$!4!'3@%'G=1*3.861'3F*"."**1'F8*.8"*3=*"2.0219 +N
MONTANT 3 (DT2"
!) DETERMINAREA SUBRAETELOR AERENTES1"= ".3"9 m2
S16=.9688 m2
S18=2.8203 m2
S19=1."312 m2
;) INARAREA DATA DE BLANSEE
• A?@e$4 :e$!4!
:e$!4!=( S1"' S16' S18' S19)F(8.81'1.2F0.)=1.6*9* F(8.81'1.2F0.)=136.3*
+N
• Ne% ?7$e:
(S1"'S18) me<>TR2'(S16'S19) me<>TR=8.1*9*F"."*'6."F".36"=80.33 +N?) GREUTATEA BROBRIE BE UN NIJEL A UNUI MONTANT
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G=((3.6"&
0.2")2."'2.6"F2.")F2.6*'0.2"F2."F6.82'(3.6"'2.6")F0.26F6.82="6."318
+N<) RECULTANTA EORTURILOR AKIALE LA NIJELUL 0
NDT3=:e$!4!'3@%'G=136.3*'3F80.33'F"6."318=603.8018 +N
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