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毕业设计之隧道衬?- 百度文库

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?2=? s

+?2=-0.0001526-0.001057=-0.0012096 ?s 0 1+y )M (?S

==-4.8398?10-8?24971.4146=-0.0012086 E h I պϲ?0

4. ǽףԵػϵĸλ 1λµתǣ 196-6 ==192?106 kI 80.5?10

2µתǣ 00-6

¦=-1191409.4976?10-6 p =M 8p a =-6205.2578?192?10 3λӦĦµתǣ

0-6-6 a 0=M 8 =-16.1117?192?10=-3093.4464?10a 5.4.4

ʸߣ f =y 8=8.0109m

a 11=11+a =(41.8159+192)?10-6=233.8159?10-6

a 12=12+f a =(132.3787+8.0109?192)?10-6=1670.4715?10-6 2

a 22=22+f

a =(735.673+8.01092?192)?10-6=13057.1806?10-6 00

a 10=?1p +ap +?+a ?h ()

a = =-(1331552.1821+3246.0464h )?10-6 00a 20=?2p +f ap +?2+f a ?h () =-(10246366.652+25838.2898h )?10-6

ϽλӦĦλƳ ⷽΪ X 1= = h

Ϊصλơ a 22a 10-a 12a 20 2

a 12-a 11a 22

13057.1806?-1331552.1821-3246.0464h -1670.4715?(-10246366.652-2538.2898h )

1670.4715-233.8159?13057.1806 ()

=1028.7711-2.9635h

ʽУX 1p =1028.7711X 1=-2.9635 X 2= =

a 11a 20-a 12a 10 2

a 12-a 11a 22

233.8159?-10246366.652-25838.2898h -1670.4715?-1331552.1821-3246.0464h

1670.4715-233.8159?13057.1806 ()( )

=653.1145+2.3580h

ʽУX 2p =653.1145X =2.3580

5.4.5غͱطֱij 㹫ʽΪ M p =X 1p +yX 2p +M p N p =X 2p ?cos +N P (5.57)

0 M 1=X 1+yX 2+M 0 N 1=X 2?cos +N (5.58)

5.24ͱ5.25С 5.4.6ֵ

ġ̡¡ṹ㣺 ʽ hp ? ?s (y h -y ) M p E I h ? 5.59

?s (y h -y ) M E I

ǽӷ5ľλˮƽһƫ룬˽£ hp =5p = ?s (y 5-y i ) M p sin ?5 E I ?s (y 5-y i ) M sin ?5 E I

h =5= 5.60

5.26

λֵΪ hp =4.8398?10-8?592120.508?0.9322=26714.4733?10-6 h =4.8398?10-8?1930.2959?0.9322=-87.0884?10-6 hp -h k 26714.4733?10-6 ==299.8648 -6

+87.0884?100.5?10 ɵh = 5.27 ϱ

ݹп֮תǺˮƽλӦΪ顣 (5.61) ʽУ ?S M

I +a =0 E h ?S M

=-4.8398?10-8?5587.8240=-270.4395?10-6 E h I a =M 8a =1.4105?192?10-6=270.8213?10-6 270.8213-270.4395 ?100%=0.14% պϲ ?= 270.8213 (5.62)

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?2=? s +?2=-0.0001526-0.001057=-0.0012096 ?s 0 1+y )M (?S ==-4.8398?10-8?24971.4146=-0.0012086 E h I պϲ?0 4. ǽףԵػϵĸλ 1λµתǣ 196-6 ==192?106 kI 80.5?10 2µתǣ 00-6 ¦=-1191409.4976?10-6 p =M 8p a =-6205.2578?192?10 3λӦĦµתǣ 0-6-6 a 0=M 8 =-16.1117?192

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