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Būvmehānika, statiski nenoteicamas sistēmas

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6. STATISKI NENOTEICAMU LOKU APRĒĶINS<br />

Tabula 6.6<br />

Izejas dati transformētajā koordinātu sistēmā<br />

l<br />

Šķēlums<br />

x x1<br />

<br />

C<br />

2<br />

y y 1 y x 2 y 2 M p xM P yM P<br />

1 -7 -1,75 49 3,06 -49 343 85,75<br />

2 -5 -0,25 25 0,06 -25 125 6,25<br />

3 -3 0,75 9 0,56 -9 27 -6,75<br />

4 -1 1,25 1 1,56 0 0 0<br />

5 1 1,25 1 1,56 0 0 0<br />

6 3 0,75 9 0,56 0 0 0<br />

7 5 -0,25 25 0,06 -20 -100 5<br />

8 7 -1,75 49 3,06 -40 -280 70<br />

0 168 10,48 -144 116 159<br />

Tādā gadījumā<br />

EI ;<br />

x<br />

2 2<br />

11<br />

M1<br />

z <br />

168m<br />

2 ;<br />

EI <br />

x<br />

2<br />

2<br />

22<br />

M<br />

2<br />

y <br />

10,48m<br />

EI <br />

2<br />

33<br />

M<br />

3<br />

1<br />

n 8;<br />

x<br />

EI<br />

1P<br />

<br />

x<br />

zM<br />

<br />

P<br />

<br />

M<br />

1<br />

M<br />

P<br />

<br />

16kN<br />

m<br />

2<br />

;<br />

2<br />

att. 6.22<br />

EI<br />

<br />

x<br />

<br />

<br />

EI<br />

<br />

x<br />

<br />

<br />

2P<br />

<br />

<br />

M<br />

2<br />

M<br />

<br />

2<br />

<br />

y M 159kN<br />

m ;<br />

3P<br />

<br />

<br />

P<br />

M<br />

3<br />

M<br />

1 M 114kN<br />

m.<br />

P<br />

P<br />

P<br />

<br />

182

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