ÿþP o z . 3 . 2 . {e b r o
P o z . 3 . 2 . 1 . S c h e m a t s t a t y c z n y i g e o m e t r i a p r z e k r o j u
Z g o d n i e z p l a n e m s t r o p u ( r y s . 1 . ) |e b r o j e s t b e l k t r ó j p r z s Bo w
( r y s . 5 . )
R o z s t a w o s i o w y p o d c i g ó w ( s t a n o w i c y c h p o d p o r y d l a |e b e r ) w y n o s i
5 , 7 0 m .
w y m i a r y p r z e k r o j u |e b r a : b = 0 , 3 0 m i h = 0 , 4 5 m
w y m i a r y p r z e k r o j u p o d c i g u : b = 0 , 4 5 m i h = 1 , 0 0 m
R y s . 5 . S c h e m a t s t a t y c z n y |e b r a
r o z p i t o [ |e b e r w [w i e t l e p o d c i g ó w
l n = 5 , 7 0 0 , 4 5 = 5 , 2 5 m
a A = m i n { 0 , 5 h ; 0 , 5 t } = m i n { 0 , 5 ×ð 0 , 4 5 ; 0 , 5 ×ð 0 , 4 5 } = 0 , 2 2 5 m
a B = m i n { 0 , 5 h ; 0 , 5 t } = m i n { 0 , 5 ×ð 0 , 4 5 ; 0 , 5 ×ð 0 , 4 5 } = 0 , 2 2 5 m
a C = a B = 0 , 1 7 5 m
r o z p i t o [c i o b l i c z e n i o w e
l A B e f f = l n + a A + a B = 5 , 2 5 + 2 ×ð 0 , 2 2 5 = 5 , 7 0 m
l B C e f f = l n + a B + a C = 5 , 2 5 + 2 ×ð 0 , 2 2 5 = 5 , 7 0 m
w y s o k o [ u |y t e c z n a p r z e k r o j u :
w p r z [l e
d = h c n o m 0 , 5 ×ðfð fðs = 4 5 0 2 0 0 , 5 ×ð 2 0 8 = 4 1 2 m m
w o s i p o d p ó r z u w z g l d n i e n i e m s o s u u k r y t e g o
0 , 5 ×ð t 0 , 5 ×ð 4 5 0
d = h c n o m 0 , 5 ×ðfð fðs + = 4 1 2 + = 4 8 7 m m
3 3
e f e k t y w n a s z e r o k o [ p ó Bk i p r z e k r o j ó w t e o w y c h
b e f f = m i n { b w + 0 , 2 ×ð l 0 ; b w + 1 2 · h f ; b w + b 1 + b 2 }
1
d l a p r z s Ba s k r a j n e g o
l 0 = 0 , 8 5 · l e f f = 0 , 8 5 · 5 , 7 0 = 4 , 8 4 5 m
b e f f , A B = m i n { b w + 0 , 2 ×ð l 0 ; b w + 1 2 · h f ; b w + b 1 + b 2 } =
= m i n { 0 , 3 0 + 0 , 2 ×ð 4 , 8 4 5 ; 0 , 3 0 + 1 2 · 0 , 1 ; 0 , 3 0 + 1 , 6 8 8 } =
= m i n { 1 , 2 6 9 ; 1 , 5 0 0 ; 1 , 9 8 8 } = 1 , 2 7 m
d l a p r z s Ba [r o d k o w e g o
l 0 = 0 , 7 0 · l e f f = 0 , 7 0 · 5 , 7 0 = 3 , 9 9 0 m
b e f f , B C = m i n { b w + 0 , 2 ×ð l 0 ; b w + 1 2 · h f ; b w + b 1 + b 2 } =
= m i n { 0 , 3 0 + 0 , 2 ×ð 3 , 9 9 0 ; 0 , 3 0 + 1 2 · 0 , 1 ; 0 , 3 0 + 1 , 6 8 8 } =
= m i n { 1 , 0 9 8 ; 1 , 5 0 0 ; 1 , 9 8 8 } = 1 , 1 0 m
P o z . 3 . 2 . 2 . Z e s t a w i e n i e o b c i |e D
N a |e b r o d z i a Ba j o b c i |e n i a z p a s m a o s z e r o k o [c i 1 , 9 8 8 m
L p R o d z a j o b c i |e n i a O b c i |e n i e o b l i c z e n i o w e
gðf > 1 gðf <