|
     
- UID
- 3940
- 积分
- 796
- 管道币
- 524 ¥
- 贡献
- 0 点
- 财富
- 1 点
- 威望
- 0 个
- 阅读权限
- 50
- 在线时间
- 238 小时
- 注册时间
- 2010-5-12
- 最后登录
- 2012-1-28
|
Only for special supports (esp. from vessel):
& L3 a5 O) Z& b' {# F4 p! o/ F& h0 K7 p; n$ q
Determine the connections are moment or hinge ones, then:
E: |: j9 H% j2 K5 Z, d* H' B8 `1. Welds/bolts check# u/ m9 b5 D/ b$ F e
2. Beam check
- M7 K t! V0 v0 D3. connection check
8 G9 n- Y/ @- N7 ^7 g/ l4. Local stress check. d4 p- v9 f6 _+ g |5 _
5. beam buckling check
0 f) ?1 H# H3 x4 x* i; O6 k- L+ _" k7 e: M! [1 n4 k
Per Handbook of Steel Construction, material mechanics, Joint Design and Production, or Solutions to Design of Weldments., or equivalent books
* Z N1 v( I& J) y3 L- ?: i; c4 F2 M2 T5 Y9 S2 T$ F* ?
Some other critical parameters affecting the cal and support designing:, k; d1 k, T3 |8 G2 |# t" A$ Q
1. Friction force
S- V$ L, m* n0 B- e2 Y2. Moment tansfered?
5 P( y. o0 T: t1 b" t! x3. Double beams/Single beam
' b2 r0 ? L$ f9 ]3 Z# P) g L4. Load safety factor* y; H( d6 L& T( ?
5. un-even load factor. O' _; }1 h' N1 d% P, a
6. Weld material, electrode and type
$ T# o- N, Y6 A2 B7. Extra weight formed after ope.8 z& ?& D( Z% Y4 G; D) O/ |
8. Easy to fabricate?
M, m1 `" X4 ^; J+ O9. The beam you designed looks too slim comparing with the pipe? |
|