BREVIAR DE CALCUL TURNTip turn: Forma in plan: monotub Inaltime tronson 7.50m Inaltimea turnului 30.00m A= 1.63m diametrul la baza a turnului a= 1.12m diametrul la varf a turnului Greutate = 10.78t 108kN Altitudine : 100m EVALUAREA INCARCARILOR DIN VANT Ipoteze de calcul (cf. STAS 10101/20-91) Zona de vant: C Viteza vantului: 30.00m/s = 108km/h Presiunea dinamica: 0.55kN/m = 55.2kg/m Tip amplasament: I amplasament deschis C2 Categoriaconstructiei Constructii curente sensibile la actiunea vantului Clasa de importanta a structurii III Ct = 1.00 Ct = 1.40 RF Ct = 1.40 MW Efectul coeficientilor partiali de siguranta

v2 m in=v 2 m F m/ s 0Fortele aplicate constructiilor pot fi luate in considerare si prin rezultantele lor, determinate pe ansamblul elementelor de constructie, sau prin raportarea la unitatea de lungime a axei acestora. Intensitatea normata a rezultantei incarcarii se determina cu relatia:

SLEN a F = 1.1 vo(2min) = 31.5m/s

SLU c 1.5 36.7m/s

P n= ctsch h m e dg v A t tDeterminarea lui (coeficient de rafala)

=1 zo o I Unde : Reclama RF MW htronson4 = htronson3 = htronson2 = htronson1 = 29.00m 29.00m 27.00m 26.25m 18.75m 11.25m 3.75m (zRECLAMA) = (zRF) = (zMW) = (z4) = (z3) = (z2) = (z1) = 0.655 0.655 0.665 0.669 0.766 0.864 0.880

1

Pentru determinarea lui I :

T I v 2 min o I = 1200H turnm

In 0.03

Ic 0.03

T I=

A m a m

0 .03

=

0.960s

TI = perioada proprie fundamentala de oscilatie a structurii considerate

=1 z o o I

coeficient de rafala

o I =

0 ,4 7 5 11 ,4 4 0 ,7 6 I no I 0 ,6 3no = 0.010

coeficient de amplificare a efectului fluctuatiilor fractiunea din amortizarea critica (STAS 10101/20-90 pag 20) coeficient de calcul on() 2.363 oc() 2.460

g n= v

v02nm in 2 KN /m 2 16302 v 0c min 2 KN/ m2 1630

=

0.607kN/m

g c= v

=

0.828kN/m

P n= c tsch hm e dg n At t v P c =ctsc h h m e dg c At t vTurn hTr T4 T3 T2 T1 m 7.50m 7.50m 7.50m 7.50m Tr m 1.118m 1.219m 1.422m 1.626m Inaltime m 26.25m 18.75m 11.25m 3.75m Ch(z) 1.36 1.22 1.04 0.73 At m2 8.39 9.14 10.67 12.20 n 2.58 2.81 3.04 3.08 c 2.64 2.88 3.12 3.16 Total turn Hn Mn kN kNm 17.89 469.69 19.08 357.79 20.45 230.09 16.66 62.48 74.09 1120.06 Hc Mc kN kNm 25.01 656.61 26.71 500.81 28.66 322.41 23.35 87.57 103.74 1567.41

Turn cu chiciura hTr T4 T3 T2 T1 m 7.50m 7.50m 7.50m 7.50m

Tr m 1.14m 1.24m 1.44m 1.65m

Inaltime m 26.25m 18.75m 11.25m 3.75m

Ch(z) 1.36 1.22 1.04 0.73

At m2 8.54 9.29 10.82 12.35

n 2.58 2.81 3.04 3.08

c 2.64 2.88 3.12 3.16 Total turn

Hn Mn kN kNm 18.21 478.10 19.40 363.66 20.74 233.33 16.87 63.25 75.22 1138.34

Hc kN -

Mc kNm -

2

Antene parabolice m 1 1.20m 2 1.20m 3 4 5 6 7

Azimut o n/a n/a

Inaltime m 27.00m 27.00m

Ch(z) 1.37 1.37 0.00 0.00 0.00 0.00 0.00

At m2 1.13 1.13 0.00 0.00 0.00 0.00 0.00

n

c

2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 Total parabolice

Hn kN 3.398 3.398 0.000 0.000 0.000 0.000 0.000 6.80

Mn kNm 91.738 91.738 0.000 0.000 0.000 0.000 0.000 183.48

Hc Mc kN kNm 4.750 128.239 4.750 128.239 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 9.50 256.48

Antene parabolice cu chiciura Azimut m o 1 1.22m n/a 2 1.22m n/a 3 4 5 6 7

Inaltime m 27.00m 27.00m

Ch(z) 1.37 1.37 0.00 0.00 0.00 0.00 0.00

At m2 1.17 1.17 0.00 0.00 0.00 0.00 0.00

n

c

2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 2.57 2.64 Total parabolice

Hn kN 3.512 3.512 0.000 0.000 0.000 0.000 0.000 7.02

Mn kNm 94.821 94.821 0.000 0.000 0.000 0.000 0.000 189.64

Hc kN -

Mc kNm -

Antene RF hRF 1 2 3 4 5 6 7 m 2.50m 2.50m 2.50m bRF m 0.27m 0.27m 0.27m Inaltime m 29.00m 29.00m 29.00m Ch(z) 1.41 1.41 1.41 0.00 0.00 0.00 0.00 At m2 0.69 0.69 0.69 0.00 0.00 0.00 0.00 n c Hn kN 2.086 2.086 2.086 0.000 0.000 0.000 0.000 6.26 Mn kNm 60.498 60.498 60.498 0.000 0.000 0.000 0.000 181.49 Hc kN 2.916 2.916 2.916 0.000 0.000 0.000 0.000 8.75 Mc kNm 84.557 84.557 84.557 0.000 0.000 0.000 0.000 253.67

2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 Total antene RF

Antene RF cu chiciura hRF 1 2 3 4 5 6 7 m 2.52m 2.52m 2.52m

bRF m 0.29m 0.29m 0.29m

Inaltime m 29.00m 29.00m 29.00m

Ch(z) 1.41 1.41 1.41 0.00 0.00 0.00 0.00

At m2 0.74 0.74 0.74 0.00 0.00 0.00 0.00

n

c

2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 2.55 2.61 Total antene RF

Hn kN 2.256 2.256 2.256 0.000 0.000 0.000 0.000 6.77

Mn kNm 65.434 65.434 65.434 0.000 0.000 0.000 0.000 196.30

Hc kN -

Mc kNm -

Reclama hR 1 m 2.00m bR m 9.00m Inaltime m 29.00m Ch(z) 1.41 At m2 18.00 n 2.55 c 2.61 Total reclama Hn Mn kN kNm 39.156 1135.525 39.16 1135.53 Hc Mc kN kNm 54.728 1587.103 54.73 1587.10

Reclama cu chiciura hR 1 m 2.02m

bR m 9.02m

Inaltime m 29.00m

Ch(z) 1.41

At m2 18.22

n 2.55

c 2.61 Total reclama

Hn Mn kN kNm 39.635 1149.429 39.64 1149.43

Hc kN -

Mc kNm -

3

CALCUL STATIC H 30.00m 27.50m 26.50m 26.25m 18.75m 11.25m 3.75m Normate F30 = 22.71kN F27.5 = 22.71kN F26.5 = 6.80kN F26.25 = 17.89kN F18.75 = 19.08kN F11.25 = 20.45kN F3.75 = 16.66kN Taietoare normate T30 = 22.71kN T27.5 = 45.41kN T26.5 = 52.21kN T26.25 = 70.10kN T18.75 = 89.19kN T11.25 = 109.64kN T3.75 = 126.30kN Momente normate M30 = 0kNm M22.5 = 641kNm M15 = 1310kNm M7.5 = 2132kNm M0 = 2606kNm De calcul F30 = 31.74kN F27.5 = 31.74kN F26.5 = 9.50kN F26.25 = 25.01kN F18.75 = 26.71kN F11.25 = 28.66kN F3.75 = 23.35kN Taietoare de calcul T30 = 31.74kN T27.5 = 63.48kN T26.5 = 72.97kN T26.25 = 97.99kN T18.75 = 124.70kN T11.25 = 153.36kN T3.75 = 176.71kN Momente de calcul M30 = 0kNm M22.5 = 896kNm M15 = 1831kNm M7.5 = 2981kNm M0 = 3644kNm Cu chiciura normate F30 = 23.20kN F27.5 = 23.20kN F26.5 = 7.02kN F26.25 = 18.21kN F18.75 = 19.40kN F11.25 = 20.74kN F3.75 = 16.87kN Taietoare T30 = 23.20kN T27.5 = 46.40kN T26.5 = 53.43kN T26.25 = 71.64kN T18.75 = 91.04kN T11.25 = 111.78kN T3.75 = 128.64kN Momente M30 = 0kNm M22.5 = 655kNm M15 = 1556kNm M7.5 = 2176kNm M0 = 2659kNm

4

EFORTURI IN TRONSOANE Tronsoane Tronson T4 T3 T2 T1 Nntronson (kN) 51.15 67.43 87.14 110.71 Nctronson (kN) 71.61 94.40 122.00 155.00 Nnchiciura (kN) 58.82 77.54 100.21 127.32 Fara chiciura Tronson Nctronson Mctronson exterior t interior Asectiune lf I i Evaluare

Mntronson (kNm) 641.01 1309.90 2132.18 2605.81

Mctronson (kNm) 895.97 1831.21 2981.39 3644.05

Mnchiciura (kNm) 655.08 1556.05 2176.18 2658.60

OTEL Rcalcul N/A + M/W

Evaluare

T4 T3 T2 T1 71.61 94.40 122.00 155.00 895.97 1831.21 2981.39 3644.05 1118 1219 1422 1626 9.50 9.50 9.50 10.30 1099 1200 1403 1605.4 33083 36098 42156 52281 37500 45000 52500 60000 5.08E+09 6.60E+09 1.05E+10 1.71E+10 391.93 427.64 499.41 571.25 96 105 105 105 OK OK OK OK OL52.2 OL52.2 OL52.2 OL52.2 315 315 315 315 0.50 0.43 0.43 0.43 103 175 208 181 33% 56% 66% 57% Cu chiciura

T4 T3 T2 T1 58.82 77.54 100.21 127.32 655.08 1556.05 2176.18 2658.60 1118 1219 1422 1626 t 9.50 9.50 9.50 10.30 interior 1099 1200 1403 1605.4 Asectiune 33083 36098 42156 52281 lf 37500 45000 52500 60000 I 5.08E+09 6.60E+09 1.05E+10 1.71E+10 i 391.93 427.64 499.41 571.25 96 105 105 105 Evaluare OK OK OK OK OTEL OL52.2 OL52.2 OL52.2 OL52.2 Rcalcul 315 315 315 315 0.50 0.43 0.43 0.43 N/A + M/W 76 149 153 132 Evaluare 24% 47% 48% 42% CENTRALIZATOR INCARCARI T KN Normat De calcul 126.3 176.7 M KNm Normat De calcul 2605.8 3644.0

Tronson Nctronson Mctronson exterior

5

DIMENSIONARE BULOANE Dimensionarea buloanelor H = N H KN KN 71.61 97.99 22.50m M KNm 895.97 Nivel de solicitare a buloanelor 85%

Dext T = 1118 mm Dax buloane = 1358 mm Bulon M 24 Nr. buloane 24 Grupa 6.6 Rbi = N/mm2 240 Nbcap i = 86 kN Nbcap f = 65 kN Forta maxima de intindere Nbmax i = 73.31 kN Nbmax i = Nbcap i = < Forta maxima de forfecare Nbmax f = 4.08 kN Nbmax f = Nbcap f = < Dimensionarea buloanelor H = N H KN KN 94.40 124.70 15.00m M KNm 1831.21

0%

20%

40%

60%

80%

100%

OK

OK

Dext T = 1219 mm Dax buloane = 1539 mm Bulon M 32 Nr. buloane 24 Grupa 6.6 Rbi = N/mm2 240 Nbcap i = 153 kN Nbcap f = 115 kN Forta maxima de intindere Nbmax i = 132.21 kN Nbmax i = Nbcap i = < Forta maxima de forfecare Nbmax f = 5.20 kN Nbmax f = Nbcap f =