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Unformatted text preview: Problem 3.4 Determine ifthe eunre retridessuffieientste in si ht distance. H1 := 35 H2 := 2.1] [assumed] A ;= 1.2r1+ reel A = 2.23 s=sse [53nd h] s ;= 5m {Table 3.1] calculate required EUWE length fer design speed. eempere te eetuel length AssumeSsL
2
2001 1H1+ 1H : IIEEI 314]
L:=2S—+ L=1EI3.3?? ft Aetuel L is greater then calculated minimum L. EUWE is adequately designed prehlem can he dene using Kirelues:
SSE] := 531] [Table 3.1]
A: 1.2rJ+1.ne s=2es L := EDD selve fer K at actual euwe. eempere te design K fer 3E mifh
K := — K: 263.153 11 [EIZ. 31?] frem table 3.2. Huelue besed en SSE] fer EU mifh is 15111 since 253 ft :=~ 15111. euwe is edegueteljrr designed Determine the height at the driver's eye.
L := 1200 H2 := 2
K := 84 calculate A of tune A := L A = 14.2%
K solve for H1. ueing design SSE] fer EU mif'h
S := STU e<L
A52 _ zuulﬂ+ JH__:2 H1: 3.9 11 L Problem 3.? [given] [Table 3.2] [EE. 3.13] Iqu. 3.13] Preblem 3.8
Assess the edeguee}: ef this existing eunre. x := 352 Yx := 3 L := EDD [given] eelve fer A ueing knewn eifeet EDDY L'
A
H: .x2 A := X Ing. 3?]
EDDL 2
x
A = 3.13Mr
Selve fer K ef existing eurre
L .
H := E H = 205.51]? [54. 3.10] Frem Table 3.2. Kfer EU is 151. Since 20? :> 151. eurre is adequate fer EU mi."h. prehlem een elee he dene ueing Eguetien 3.15 fer SSE] eelire fer A using knewn effeet Y  A x2
’1' NHL Ing. 3?]
A = 3.534
SSE] __ 5?“ [Table 3.1]
Selire fer required minimum L. eeeuming SSE] «=: L
A3302
Lm := 2153 Lm = 553.25 ft [EC]. 3.15] Since EDD ft : 553 ft. curve is adequate fer 5U mifh ...
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 Fall '08
 KATZ
 fer EU, EUWE length fer, fer EU mifh, fer EU mif'h

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