- Tuang tran
a. Mi?ng trim
Tren m~t b~ng, mi~ng triln co d~g hinh tron d6ng tam vai gi~ng dUng. Trang m(lt 56twang hqp, do dia hinh h~n ch~, phili b6 tri I~ch tam. Luc biJ rlit d6c, mi~ng triln co th6 Iii hinh d~ng bftu d\lc ho~c Iii m(lt phftn cua hinh tron. Mi~ng hinh loa, Iii d~p triln tuy~n tron ki6u thvc d\lng ho~c dinh r(lng.
b. Gdngo,mg
Lil phiin ri6i ti~p loa triln co tl1,lC th~ng dUng ki6u gi~ng tron, chi co hk
do diSu ki~n b6 tri duang triln, ho~c 5V Hinh 5.14. Cae hi;>ph(in ella gi,lng thaD Iii n6i ti~p giil'a gi~ng vai duang hftm d~n nuac co kho khiin mai b~t bu(lc d~t gi~ng hai nghieng.
e. Duirng hdm
Thuang b6 tri n~m ngang vii n6i ti~p vai gi~ng dUng b~ng dO;lncong co ban kinh r> (2,5 -i- 4)d
£luang kinh cua duang hAm duqc thi~t k~ theo yeu cAu d~n dong thi cong va duqc ki~m tra I\li vai luu IUQ'llgthaD hl.
Ngoai ra co dO\llln6i ti~p ill loa tran vai gi~ng dUng theo d\lng hinh non C\lt. Ciinggi6ng nhu cac cong trinh thaD Iii khac, gi~ng thaD Iii con co k~t c~u huang dong 6 thuQ'llgluu va tieu nang sau duang hAm.
Tren dinh tran co th~ khong co cua van ho;ic co cua van; cua van thuang dUng la van phing, van cung, van tf\! vang; da s6 truang hqp dUng khong co cua van vi tuy~n tran tron, chi~u dai tran nuac Ian, co khil nang thaD luu IUQ'llgIan v61 cQt nuac th~p.
5.3. CONG TRiNH THA.O LV mrm SAD
Cong trinh thaDnuac dum sau g6m 2 10\li:C6ng ngAmva duang hAm.
. C6ng ngAmthuang duqc xay d\l1lgqua d~p d~t. Noi chung c6ng ngAmthuang co ti~t di~n nh6 nen thuang chi dung d~ thaD Iii h6 trq ho;ic d~ thaD C\lllh6 khi cAn thi~t.
£luang hAm thaD Iii duqc xay d\l1lg bing cach daD xuyen qua nui. £luang hAm thaD Iii co khil nang thaD Iii Ian, co khil nang thaD C\lnh6 khi cAnthi~t; tuy nhien vi~c xay d\l1lgphuc t\lP, nen it duqc su d\lllg.
Bang 5.1. Tdn suAt luu lugng, mlfe nuo-e 16"nnhAtthi~t k~ va kiem tra eong trinh tMy 19i Cap thiet ke . LO(li cong trinh \ Diie
bi~t I II III IV
"-,_ __ __.,-_..,,,.. ,.. - - - .--.----_."-,..,,., __.,--- .--.•._-_....•..._--_..,..".
Tuang (mgvai chu ky liip I(li, nam
1. C\lm cong trlnh dau moi cac 10(li (trir cong trlnhd~u mbi vimg tri€u); cong trinh dan nuacqua