BREVIAR DE CALCUL TURN Tip 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 Altitudin 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/m² = 55.2kg/m² Tip amplasament: I amplasament deschis Categoriaconstructi Constructii curente sensibile la actiunea vantului Clasa de importanta a struct III 1.00 RF 1.40 MW 1.40 Efectul coeficientilor partiali de siguranta SLEN SLU 1.1 1.5 31.5m/s 36.7m/s (coeficient de rafala) Unde : Reclama 29.00m 0.655 RF 29.00m 0.655 MW 27.00m 0.665 26.25m 0.669 18.75m 0.766 11.25m 0.864 3.75m 0.880 C2 Ct = Ct = Ct = ga gc gF = vo (2min) = Determinarea lui b μ(zRECLAMA) = μ(zRF) = μ(zMW) = htronson4 = μ(z4) = htronson3 = μ(z3) = htronson2 = μ(z2) = htronson1 = μ(z1) = Fortele 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: v 0 ( 2min ) =v 2m √ γ F ( m / s ) P t n =β×c ts ×c h ( h med )×g v ×A t β=1+ μ ( z o ) β o ( ε I )
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1
BREVIAR DE CALCUL TURN
Tip 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/m² = 55.2kg/m²
Tip amplasament: I amplasament deschis
Categoriaconstructiei Constructii curente sensibile la actiunea vantului
Clasa de importanta a structurii III
1.00
RF 1.40
MW 1.40
Efectul coeficientilor partiali de siguranta
SLEN SLU
1.1 1.5
31.5m/s 36.7m/s
(coeficient de rafala)
Unde :
Reclama 29.00m 0.655
RF 29.00m 0.655
MW 27.00m 0.665
26.25m 0.669
18.75m 0.766
11.25m 0.864
3.75m 0.880
C2
Ct =
Ct =
Ct =
ga gc
gF =
vo(2min) =
Determinarea lui b
μ(zRECLAMA) =
μ(zRF) =
μ(zMW) =
htronson4 = μ(z4) =
htronson3 = μ(z3) =
htronson2 = μ(z2) =
htronson1 = μ(z1) =
Fortele 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:
v0(2min )=v2m√γF(m /s )
Ptn=β×c ts×ch (hmed )×gv×A t
β=1+μ (zo ) βo (εI )
C22
Categoria constructiei: C1=Constructii curente putin sensibile la actiunea vantului C2=Stalpi LEA,Turnuri cosuri de fum cu TI > 0.25s C3=Constructii foarte sensibile la vant
D23
Clasa de importanta a structurii: I II III IV
2
0.0251714 0.0293939
= 0.960s
TI = perioada proprie fundamentala de oscilatie
a structurii considerate
coeficient de rafala
coeficient de amplificare a efectului fluctuatiilor
0.015 -constructii din beton armat sau zidarie 0.010 -constructii inalte cu structuri de otel cosuri de fum din b.a. Turnuri cu zabrele metalice 0.005 - Cosuri de fum metalice captusite 0.002 - Cosuri de fum metalice sudate necaptusite
Story Column Load Loc P V2 V3 T M2STORY5 C2 VANT 0 -9.4 73.79 0 0 0STORY5 C2 VANT 2.5 -5.48 69.57 0 0 0STORY5 C2 VANT 2.5 -5.48 63.12 0 0 0STORY5 C2 VANT 3 -4.7 62.27 0 0 0STORY5 C2 VANT 3.5 -3.92 61.43 0 0 0STORY5 C2 VANT 3.5 -3.92 32.83 0 0 0STORY5 C2 VANT 6 0 28.6 0 0 0STORY4 C2 VANT 0 -28.15 86.63 0 0 0STORY4 C2 VANT 3 -18.78 80.21 0 0 0STORY4 C2 VANT 6 -9.4 73.79 0 0 0STORY3 C2 VANT 0 -51.69 101.57 0 0 0STORY3 C2 VANT 3 -39.92 94.1 0 0 0STORY3 C2 VANT 6 -28.15 86.63 0 0 0STORY2 C2 VANT 0 -80 117.77 0 0 0STORY2 C2 VANT 3 -65.84 109.67 0 0 0STORY2 C2 VANT 6 -51.69 101.57 0 0 0STORY1 C2 VANT 0 -113.09 133.01 0 0 0STORY1 C2 VANT 3 -96.55 125.39 0 0 0STORY1 C2 VANT 6 -80 117.77 0 0 0
Story Point Load UX UY UZ RX RY RZSTORY5 1 VANT 0.379 0 -0.0001 0 0.02481 0STORY4 1 VANT 0.2376 0 -0.0001 0 0.02026 0STORY3 1 VANT 0.13 0 -0.0001 0 0.01473 0STORY2 1 VANT 0.0562 0 -0.0001 0 0.00928 0STORY1 1 VANT 0.0141 0 0 0 0.00436 0BASE 1 VANT 0 0 0 0 0 0
Story Item Load Point X Y Z DriftX DriftYSTORY5 Max Drift X VANT 1 0 0 30 0.023563STORY5 Max Drift Y VANT 1 0 0 30 0STORY4 Max Drift X VANT 1 0 0 24 0.017949STORY4 Max Drift Y VANT 1 0 0 24 0STORY3 Max Drift X VANT 1 0 0 18 0.012289STORY3 Max Drift Y VANT 1 0 0 18 0STORY2 Max Drift X VANT 1 0 0 12 0.007027STORY2 Max Drift Y VANT 1 0 0 12 0STORY1 Max Drift X VANT 1 0 0 6 0.002343STORY1 Max Drift Y VANT 1 0 0 6 0
Story Point Load FX FY FZ MX MY MZBASE 1 VANT -133.01 0 113.09 0 -2774.465 0
Story Item Load Point X Y Z DriftX DriftYSTORY5 Max Drift X VANTCH 1 0 0 30 0.017269STORY5 Max Drift Y VANTCH 1 0 0 30 0STORY4 Max Drift X VANTCH 1 0 0 24 0.013149STORY4 Max Drift Y VANTCH 1 0 0 24 0STORY3 Max Drift X VANTCH 1 0 0 18 0.008997STORY3 Max Drift Y VANTCH 1 0 0 18 0STORY2 Max Drift X VANTCH 1 0 0 12 0.005142STORY2 Max Drift Y VANTCH 1 0 0 12 0STORY1 Max Drift X VANTCH 1 0 0 6 0.001714STORY1 Max Drift Y VANTCH 1 0 0 6 0
Story Point Load FX FY FZ MX MY MZBASE 1 VANTCH -96.82 0 113.09 0 -2028.212 0
M3233.553102.028102.028
79.02856.33856.338
0586.413403.007233.552999.572784.892586.413
1480.0521231.082
999.5722028.2121745.9421480.052
BULON M 8 M 24 GRUPA 4.6 6.6 170 240M 10 5.6 210M 12 6.6 240M 16 8.8 410M 20M 24M 30M 42M 48