Quan nim thit k khng chn truyn thng
Quan nim thit k khng chn truyn thngXem xtnyu tlc tc ngmcha chn
phng dinnng lngdo ng t truyn vo cng trnh.
BIEN PHAP KHANG CHAN NHA CAO TANGQuan nim thit k khng chn hin
iBo m kt cu ckh nng chiu lcln trong min n hi.Bo m cho kt cu c kh
nngphn tn nng lng
BIEN PHAP KHANG CHAN NHA CAO TANGKt cu c xem l lm vic tt nu m bo
c kh nng hp th v phn tn u nng lng do ng t truyn vo.
Cng trnh b ph hoi trong ng t do hin tng suy yu cc b ti mt
tng
Cc gii php thitk khng chn xem xt n vic phn tn nng lngBIEN PHAP
KHANG CHAN NHA CAO TANG
(a)-n thun; (b)-Cch chn; (c)-Gim chn
Gii php cch chnBIEN PHAP KHANG CHAN NHA CAO TANG
Hiu qu ca gii php cch chn so vi kt cu thng thng
BIEN PHAP KHANG CHAN NHA CAO TANGBin dng ca kt cu n thun.
Dao ng ca kt cu pha trn cng c gim ng k nh bin php cch chn.
Gii php cch chnGii php cch chnBIEN PHAP KHANG CHAN NHA CAO
TANGKhong h 40 cm c b tr xung quanh mp ta nh cch chn
Gii php gim chnNng lng c th c tiu tn di dng:
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn khng iu khin (passive
control)Nhit nng ca hin tng ma st(friction damper)Bin dng do ca kim
loi(buckling restrained brace, stiffened shear panel)Tnh
cnnht(viscous/visco-elastic damper) Gii php gim chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn khng iu khin (passive
control)Cc hnh thc lp t thit b damper trong gim chn khng iu khin
(passive control).
H thng tng/khung cng chn khp (rocking wall/frame) Gii php gim
chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn khng iu khin (passive
control)Chi tit cu to nt khp di y h tng
Nhng mu damper th nghim
Damper lin kt ga ta nh v tng chn khp Gii php gim chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn khng iu khin (passive
control)Ta nh G3, i hc Cng ngh Tokyo
Gii php gim chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn khng iu khin (passive
control)Ta nh M1 Okayama Campus
Gii php gim chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn c iu khin (active
control)Cc thit b dng ny hot ng c nh vo cc ngun nng lng t bn ngoi
(in, kh nn thc hin vic tng cn hay pht lc iu khin chng li dao
ng).
Gii php gim chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn c iu khin (active
control)Con lc khng chn trong ta nh Taipei i Loan
H cc con lc khng chn ca ta nh Nht Gii php gim chn
BIEN PHAP KHANG CHAN NHA CAO TANG Gim chn c iu khin (active
control)
Mt con lc trong ta nh cao tng Gii php kt hp gim chn v cch
chn
BIEN PHAP KHANG CHAN NHA CAO TANGM hnh kt hp gi gim chn v cch
chn
Gii php kt hp gim chn v cch chn
BIEN PHAP KHANG CHAN NHA CAO TANGGi m khng chn di chn ct
Gii php kt hp gim chn v cch chn
BIEN PHAP KHANG CHAN NHA CAO TANGNh ga Obayashi s dng m hnh kt
hp gim chn v cch chn
Mt s ti liu v khng chn cng trnh
BIEN PHAP KHANG CHAN NHA CAO TANG
Mt s ti liu v khng chn cng trnh
BIEN PHAP KHANG CHAN NHA CAO TANG
Cc i t gy Vit Nam
BIEN PHAP KHANG CHAN NHA CAO TANG
Thc hin:Nguyn Chu Hng DuyHong Xun Tn
Ti liu tham kho:Gim chn cho kt cu 20 tng chu ti trng ng t bng h
cn nht. Pgs.Ts Chu Quc ThngThit k khng chn - Base isolation. Ngun
tng hp- Mt gc nhn kt cu Trn Tun Nam
