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Nguyn Anh Kha
32 cng thc c bn tnh ton moment cho dm32 cng thc c bn tnh ton moment v lc ct cho dm. Nhng cng thc c bn di y s gip ch k s thit k rt nhiu trong vic tnh ton moment v lc ct, iu ny lm gim thi gian thit k xung rt nhiu hoc da vo cng thc c bn ny ngi k s c th kim tra li tnh ton so snh vi my tnh. Quy c trn biu moment nh sau:
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1
Nguyn Anh Kha 1. Dm n gin chu ti trng u
2. Dm n gin chu ti trng u mt phn
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Nguyn Anh Kha 3. Dm n gin chu ti trng u mt phn u dm
4. Dm n gin chu ti trng u 2 u dm
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Nguyn Anh Kha
5. Dm n gin chu ti trng hnh tam gic
6. Dm n gin chu ti trng hnh tam gic cn c nh gia dm
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Nguyn Anh Kha 7. Dm n gin chu ti trng tp trung gia dm
8. Dm n gin chu ti trng tp trung ti mt im bt k
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Nguyn Anh Kha
9. Dm n gin chu 2 ti trng tp trung i xng
10. Dm n gin chu 2 ti trng tp trung khng i xng
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Nguyn Anh Kha
11. Dm n gin chu 2 ti trng tp trung khc nhau khng i xng
12. Dm mt tha chu ti phn b u
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Nguyn Anh Kha 13. Dm mt tha chu ti trng tp trung ti u dm
14. Dm mt tha chu ti trng tp trung ti mt im bt k
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Nguyn Anh Kha 15. Dm n gin mt u ngm mt u gi ta chu ti phn b u
16. Dm n gin mt u ngm mt u gi ta chu ti trng tp trung
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Nguyn Anh Kha 17. Dm n gin mt u ngm mt u gi ta chu ti trng tp trung mt v tr bt k
18. Dm n gin c mt phn l dm tha (overhang) chu ti trng phn b u ton dm
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Nguyn Anh Kha 19. Dm n gin c mt phn l dm tha (overhang) chu ti trng phn b u trn phn mt tha
20. Dm n gin c mt phn l dm tha (overhang) chu ti tp trung ti u mt tha
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Nguyn Anh Kha 21. Dm n gin c mt phn l dm tha (overhang) chu ti tp trung trong dm
22. Dm n gin c 2 dm mt tha 2 bn chu ti trng phn b u trn ton dm
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Nguyn Anh Kha 23. Dm c hai u ngm chu ti trng phn b
24. Dm c hai u ngm chu ti trng tp trung ti gia dm
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Nguyn Anh Kha 25. Dm c hai u ngm chu ti trng tp trung ti mt v tr bt k
26. Dm lin tc 2 nhp chu ti trng phn b mt nhp
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Nguyn Anh Kha 27. Dm lin tc 2 nhp chu ti trng tp trung mt nhp
28. Dm lin tc 2 nhp chu ti trng tp trung mt nhp ti v tr bt k
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Nguyn Anh Kha 29. Dm lin tc 2 nhp chu ti trng phn b trn 2 nhp
30. Dm lin tc 2 nhp chu ti tp trung trn 2 nhp
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Nguyn Anh Kha 31. Dm lin tc 2 nhp khng u nhng chu ti trng u trn 2 nhp
32. Dm lin tc 2 nhp khng u nhng chu ti trng tp trung trn 2 nhp
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