"Autoceļu projektÄÅ¡ana" (.pdf)
"Autoceļu projektÄÅ¡ana" (.pdf)
"Autoceļu projektÄÅ¡ana" (.pdf)
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a) klotoidas robežās<br />
b) riņķa loka robežās -<br />
Tekošā punkta<br />
koordinātas<br />
a) klotoidas robežās<br />
2 4<br />
æ β β ö<br />
X = lç1- + -...<br />
÷<br />
è 10 216 ø<br />
3 5<br />
æβ β β ö<br />
Y = lç<br />
- + -.....<br />
÷<br />
è 3 42 1320 ø<br />
ε = l R<br />
[ ε β β ]<br />
[ ]<br />
b) riņķa loka robežās - X = X ( )<br />
KB<br />
+ R sin + -sin<br />
Y = Y + R cosβ - cos( ε + β )<br />
Pilns līknes garums<br />
K = 2L<br />
K=2L+C<br />
L = 2 βR<br />
L = 2 βR, C = γR<br />
Diference, m D= 2T-K D=2T-K<br />
KB<br />
līkņu<br />
c. Asimetriska biklotoida<br />
β ¹ β , α = β + β<br />
1 2 1 2<br />
UN LOKĀLĀS KOORDINĀTAS<br />
veidi<br />
d. Asimetriskas klotoidas ar riņķa<br />
loku<br />
β ¹ β , α = β + γ + β<br />
1 2 1 2<br />
β = L1<br />
2<br />
1<br />
α β<br />
2<br />
β<br />
2<br />
α β1<br />
2 = - = L<br />
,<br />
R<br />
2R<br />
= - β = L1<br />
2<br />
1<br />
α γ β<br />
2<br />
β<br />
2<br />
α γ β1<br />
2 = - - = L<br />
,<br />
R<br />
2R<br />
= - -<br />
3.5.tabula<br />
Formulu<br />
grupas<br />
(3.34)<br />
X<br />
Y<br />
K1B<br />
K1B<br />
2<br />
æ β<br />
ç<br />
1<br />
= L1<br />
1-<br />
è 10<br />
3<br />
æ β<br />
ç<br />
1<br />
β1<br />
= L1<br />
-<br />
è 3 42<br />
4<br />
β ö<br />
1<br />
+ - ... ÷<br />
216<br />
ø<br />
5<br />
β ö<br />
1<br />
+ - ... ÷<br />
1320<br />
ø<br />
X<br />
Y<br />
K2B<br />
K2B<br />
= L<br />
2<br />
2<br />
æ β<br />
ç<br />
2<br />
1-<br />
è 10<br />
3<br />
æ β<br />
ç<br />
2<br />
β<br />
2<br />
= L2<br />
-<br />
è 3 42<br />
4<br />
β ö<br />
2<br />
+ - ... ÷<br />
216<br />
ø<br />
5<br />
β ö<br />
2<br />
+ - ... ÷<br />
1320<br />
ø<br />
(3.35)<br />
- -<br />
(3.36)<br />
- - (3.37)<br />
-<br />
t = X - R sin β<br />
1 KB 1<br />
1<br />
t = X - Rsin<br />
β (3.38)<br />
2 KB 2<br />
2<br />
( cos β 1)<br />
( cos β 1)<br />
p = Y - R -<br />
1 KB 1<br />
1<br />
p = Y - R -<br />
2 K2B<br />
2<br />
(3.39)<br />
29
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