USHTRIME Detyra e dytë T=151,85 kN d = 16 mm σ tlll = 850 N/cm 2 Prerja tërthore: katrore T T d a a d x y l t n t A T // // σ σ ≤ = a d A a A ⋅ = ∆ = 2 da a A A A net − = ∆ − = 2 2 3 // 65 , 178 850 10 85 , 151 cm T A l t nev = ⋅ = = σ 65 , 178 2 = − da a cm a 14 = cm a 19 . 14 = Përvetsohet Kontrolla e sforcimeve 2 2 2 6 . 173 14 6 . 1 14 cm da a A net = ⋅ − = − = l t n t cm N A T // 2 3 // 850 3 . 1 712 . 874 6 . 173 10 85 . 151 σ σ ≈ ⋅ = = ⋅ = = % 9 . 2 100 850 850 712 . 874 = −
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USHTRIMEDetyra e dytë
T=151,85 kN
d = 16 mm
σtlll = 850 N/cm2
Prerja tërthore: katrore
T Td
a
ad xy
ltn
t AT
//// σσ ≤=
adAaA
⋅=∆= 2
daaAAAnet −=∆−= 2
23
//
65,178850
1085,151 cmTAlt
nev =⋅
==σ
65,1782 =− daa
cma 14=
cma 19.14=
Përvetsohet
Kontrolla e sforcimeve 222 6.173146.114 cmdaaAnet =⋅−=−=
ltn
t cmN
AT
//2
3
// 8503.1712.8746.1731085.151 σσ ≈⋅==
⋅== %9.2100
850850712.874
=−
Detyra e dytëT=151,85 kN
d = 16 mm
σtlll = 850 N/cm2
Prerja tërthore: drejtkëndëshe
T Td
b
hd x
y
ltn
t AT
//// σσ ≤=
bdAhbA
⋅=∆=
dbhbAAAnet −=∆−=
23
//
65,178850
1085,151 cmTAlt
nev =⋅
==σ
65,178=− dbhb
cmbh
1218
=
75
=hb hb
75
=
65,17875
75 2 =− hdh
cmbcmh
88.1164.16
==
Përvetsohet
Kontrolla e sforcimeve 28.196126.11216 cmdhhbAnet =⋅−⋅=−=
%78.90100850
6.771=
2//2
3
// 85060.7718.1961085.151
cmN
cmN
AT
ltn
t =<=⋅
== σσ
Detyra e dytë
T=151,85 kN
d = 16 mm
σtlll = 850 N/cm2
Prerja tërthore: rrethore
T Td
D
d xy
ltn
t AT
//// σσ ≤=DdA
DA
⋅=∆
=4
2πdDDAAAnet −=∆−=
4
2π
23
//
65,178850
1085,151 cmTAlt
nev =⋅
==σ
65,1784
2
=− dDDπ
cmD 17=
cmD 134.16=
Përvetsohet
222
78.199176.14
1714.34
cmdDDAnet =⋅−⋅
=−=πKontrolla e sforcimeve
2//2
3
// 85009.76078.199
1085.151cmN
cmN
AT
ltn
t =<=⋅
== σσ %42.89100850
09.760=
Detyra e dytë
N=181,12 kN
σtcl = 850 N/cm2N N
lcc AN
//// σωσ ≤= 23
//
082.213850
1012.1810.1 cmNAlc
nev =⋅
==σ
ω
a
axy
shkurteielement1=ω
2aAnev = Përvetsohet cma 16=cmAa 59.14082.213 ===
Kontrolla e sforcimeve 222 25616 cmaAreale ===
%235.83100850
5.707=
2//2
3
// 8505.707256
1012.181cmN
cmN
AN
lcc =<=⋅
== σωσ
Detyra e dytë
a
axy
N N
l=le
minile=λ75=λ
444
min 33.54611216
12cmaJJJ yx =====
cmaaAJiii x
yx 77.516289.0289.012min =⋅======
cmltpervetsohe
cmil
e
e
430
75.43277.575min
=
=⋅== λ
Detyra e dytë
N=181,12 kN
σtcl = 850 N/cm2N N
lcc AN
//// σωσ ≤= 23
//
082.213850
1012.1810.1 cmNAlc
nev =⋅
==σ
ω
2
75 hhbAnev =⋅= cmAh 27.1708.213
75
=== cmb 33.1227.1775
==
shkurteielement1=ω b
hx
y
75
=hb hb
75
=
cmhb
1812
=Përvetsohet
Kontrolla e sforcimeve 22161218 cmhbAreale =⋅==
%65.98100850
52.838=
2//2
3
// 85052.838216
1012.1811cmN
cmN
AN
lcc =<=⋅
== σωσ
Detyra e dytë
N N
l=leb
hx
y
minile=λ75=λ
433
min 259212
121812
cmhbJJ x =⋅
===
cmbbAJii x
x 468.312289.0289.012min =⋅=====
cmltpervetsohe
cmil
e
e
260
01.260468.375min
=
=⋅== λ
Detyra e dytë
N=181,12 kN
σtcl = 850 N/cm2N N
lcc AN
//// σωσ ≤= 23
//
082.213850
1012.1810.1 cmNAlc
nev =⋅
==σ
ω
shkurteielement1=ω D
x
y
cmAD 46.1608.21344===
ππ4
2
08.2134
cmDAnev ==π
cmD 17=Përvetsohet
Kontrolla e sforcimeve
2//2
3
// 85096.79798.2261012.1811
cmN
cmN
AN
lcc =<=⋅
== σωσ
cmDAreale 98.2264
174
22
===ππ
%88.93100850
96.797=
Detyra e dytë
N N
l=le D
x
y
minile=λ75=λ
444
min 79.801264
1764
cmDJJJ yx =====ππ
cmDDAJiii x
yx 913.417289.025.016min =⋅======
cmltpervetsohe
cmil
e
e
365
47.368913.475min
=
=⋅== λ
Detyra e dytë
N N
223
2
//
633.12447.101.0850
1057.8701,0 cmlNA elc
nev =⋅+⋅
=+=σ
a
axy
N=87,57 kN
σc//l = 850 N/cm2
le=1.47m
lcc AN
//// σωσ ≤=
2aAnev =K 1 cmAa 16.11633.124 ===
cmla e 774.67.21
1477.21
==≥cma 12=Përvetsohet
K 2
7544.4212289.0
147
min
=<=⋅
== λλileKontrolla e sforcimeve 222 14412 cmaAreale ===