Textfeld: Dachhöhe                                                                                             Textfeld: Beispiel 4

 

 

 

 

 

DH = tana . 3,35 = tan 34° . 3,35 = 2,26m

 

Textfeld: Dachneigung                                                                                               Textfeld: Beispiel 4

 

 

 

 

 

tan a = 0,514  Þ  a= 27,19°  » 27°

 

Textfeld: Dachdeckerhöhe

                                                                                             Textfeld: Beispiel 4

 

 

 

sina . DDH1 = DH /: sina

5,16 m

 

 

 

 

 

DDH2 =  

            =  =  4,04m

 

 

 

DDH3 =  

            =  =  4,95m

 

 

 

 

 

cosa . DDH4 = 2,1 /: cosa

2,54m

Textfeld: Gratlänge

                                                                                             Textfeld: Beispiel 4

 

 

 = 6,15m

 = 5,97m

 

 

 

Textfeld: Kehllänge

                                                                                             Textfeld: Beispiel 4

 

K = G2 = 5,97 m

 

 

 

 

Textfeld: Firstlänge                                                                                            Textfeld: Beispiel 4

 

 

 

F1 = 13,80 – B1 – 4,44 = 13,80 – 4,63 – 4,40 = 4,77 m

 

 

 

 

 

 

F2 = 18,80 – 3,35 – 3,35 = 12,10 m

 

 

 

 

Textfeld: Dachfläche                                                                                             Textfeld: Beispiel 4

+

 

A = A1 + A2 + A3 + A4 + A5 + A6 =

 

A = 17,29 + 44,29 + 51,45 + 17,78 + 59,90 + 19,74 = 210,45 m²

 

 = 17,29 m²

 

 

 = 44,29 m²

 

 

51,45m²

 

A7 = 5,00 . DDH4 = 5,00 . 2,54 = 12,70 m²

 

 = 17,78 m²

 

A5 = 12,10 . DDH3 = 12,10 . 4,95 = 59,90m²

 

= 19,74 m²

 

 

Textfeld: Materialbedarf                                                                                             Textfeld: Beispiel 4

 

Dachneigung = 26°, 27, 34°    Þ    Überdeckung = 11 cm        Siehe:  Technische Details

 

 

= 35,73 Stk

 

Verschnitt:   4%  von  35,73 Stk = 1,43 Stk   Þ   37,16 Stk

 

Mat /Dachfläche = 210,45 . 37,16 = 7.820,32  Þ   7.821 Stk