STATI^KI PRORA^UN

KROVNA KONSTRUKCIJA

KROVNI POKRIVA^(pokriva~- profilisani lim )

= 10 = 0.175 rad SIN = 0.174 COS = 0.985 ; COS2 = 0.970

Analiza optere}enja:1) Sop.te`ina g= 0.04 kN/m22) Sneg s= 0.75 kN/m2

q= 0.79 kN/m2Vetar: Osnovno optere}enje wo= 0.45 kN/m2

C1 C2

C1= -0.192C2= -0.400

W 1= -0.09 kN/m2W 2= -0.18 kN/m2

Za optere}. q i razmak osl.lima (gredice 5/8cm): E= 1.00 m Usvojeno za pokriva~: TR 35/200/0.6

GREDICE (~etinar II klase)Me|urazmak gredica mereno po kosini rogova E= 1.00 m

Analiza optere}enja:1) pokriva~: qp= 0.04 kN/m22) sop.te`ina: qr= 0.03 kN/m23) radnik: P= 0.80 kN4) sneg: s= 0.75 kN/m25) vetar: maxw= -0.09 kN/m2

q =(qp/cos+qr+s)xE= 0.82 kN/m' qx'= q * cos= 0.81 kN/m'

qx"=qx'+w*E/cos= 0.72 kN/m' qy =q*sin= 0.14 kN/m'

qx'/qx" = 1.12 < 1,15Merodavno je osnovno optere}enje(JUS U.C9.200)

qx P

A B l = 1.00

qx= 0.81 KN/m'Au= 0.40 KN qy= 0.14 KN/m'

Bu= 0.40 KN Mx= 0.125 *qx* L2+P/4*L = 0.30

ugib u sredini raspona: My= 0.125 *qy* L2 = 0.02E= 1000 KN/cm2

I x= 83 cm4 USVOJENE GREDICE: b(cm)= 8I y= 213.33 cm4 (~etinar II klase) h(cm)= 5f x= 0.13 cm Wx= 33.33 cm3

(f x - bez sile P) Wy= 53.33 cm3f y= 0.01 cm Kontrola napona:

f = 0.13 cm SIJMD= 936.45 (

ROG - Rg (~etinar II klase) 8/12cm S = 10

= 0.175 rad SIN = 0.174

g COS = 0.985 ; COS2 = 0.97

Me|urazmak rogova: l (m)= 1.00

W Analiza optere}enja:1) pokriva~ 0.04 KN/m22) gredice 0.03 KN/m2

g= 0.07 KN/m2

3) sneg S= 0.75 KN/m2 B

L'= 2.54 4) vetar W= 0.09 KN/m2

A gn= g*E*COS = 0.07 KN/m'

L= 2.50 Sn= S*E* COS2 = 0.73 KN/m'

An= 1.12 KN Wn= W*E = 0.09 KN/m'AII= 0.18 KNBn= 1.12 KN (Wn/(gn+Sn))*100= 10.83

VERTIKALNI STUBOVI:

USVOJENI STUBOVI:b/h=12/12cm (~etinar II klase)

Stubovi se oslanjaju na jastuke dimenz: 12/12cm

PAJANTE:

USVOJENE PAJANTE:b/h=10/10cm (~etinar II klase)

KLJE[TA:

USV. KLJE[TA: 2x5/12cm (~etinar II klase)

VEN^ANICE:

USV. VEN^ANICE: b/h=12/12cm (~etinar II klase)

UVALNICE:

USV. UVALNICE: b/h=14/14cm (~etinar II klase)