kc nha cao tang - ts nguyen ngoc dung - vncc.pdf

8/13/2019 KC NHa Cao tang - TS Nguyen Ngoc Dung - VNCC.pdf

1/7

KT C#U NH CAO T%NGSPHT TRI#N, C&H'I V THCH TH)C

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(3%& '=%& 01L%( '/4 %(*0 P!.0 %/9

KINH BC TOWER

CHC N#NG: KHCH S&N, TTTH!'NG M&I& V!(N TREO

LOTTE TOWER

S* T,NG: 65 ( 5 T,NG H,M)CHC N#NG: Vp CHO THU ,KHCH S&N, TT TH!'NG M&I &CHUNG C!CAO C-P

KAENGNAM

S T,NG:70 ( 2 T,NG H,M)CHC N#NG: Vp CHO THU ,KHCH S&N, TT TH!'NG M&I &CHUNG C!CAO C-P

VIETINBANK BUSINESS

CENTRE

S* T,NG: 68 ( 4 T,NG H,M)CHC N#NG: T. H/P TI CHNHNGN HNG, KHCH S&N& C#N H0CAO C-P CHO THU

Cng trnh EVN (do HQ thi9t k9)

/^8 4>UT _;4FY&2

*`-ab cN.MVt bWng cng trnh (t)v*n VN)


3/7

Ta nh HATOCOSo snh mVt bWng, h. k9t c*u c th0 nhOn xt nh)sau:

Cc cng trnh do t)v*n Vi.t nam thi9t k9th)Mng b:Pnh h)?ng b?i quan ni.m l)5i c/t >Ru l phong cchk9t c*u tGi )u cho tPi tr$ng >Sng v thch hFp v5i cngtrnh th*p t1ng

Khi ni.m vch, li cSng.. ch)a r rng v t)6ng Sngv5i tX l. cng trnh! ChL y9u l t)6ng thch v5i khnggian sQ dJng (thang my, h/p kN thuOt..) do vOy k9t c*uvTn thu/c d8ng khung vch k9t hFp.

Nhn th$c c'a cc Ki*n trc s%ch' nhi-m d.n v/h- k*t c1u hi-n 23i cho nh cao t4ng ch%a cp nht.H5i 27ng xt tuy8n, ph duy-t ph%:ng n ch%a 2nhgi 2ng m$c gi;i php k*t c1u

Tiu hao v*t li+u cho ,-n v. di+n tch sn

P.'(T &!W%&

J/0

,2%

SG t1ng

VOtli.u

(lb/sqf)

Cth0 th*y k9t c*u ch:u tPi tr$ng ngang l c*u thnhc6bPn ngy cng quan tr$ng trong k9t c*u nh cao t1ng

E.' ?/%& U!V 52 W/%& ?*0 ?9% '=%& 01L%( '/401%&

Qua ph' tc >/ng cLa GIv YZNGY\T ln cng trnh c th0th*y r, y9u tG tc >/ng chL y9u ln thi9t k9 cLa nhcao t1ng lGI

Tc ,0ng c2a Gi t5i cng trnh cao t'ng: p l-c gi t_nh: lin quan >9n kch th)5c v

hnh d8ng cLa cng trnh K9t c*u ch:u l-c

Hi.n t)Fng nhP xoy (Votex shedding): xayra ? vOn tGc gi th*p, bin >/ gi5i h8n, Pnhh)?ng >9n sQ dJng Thi9t k9 kh >/ng h$c

Dao >/ng c)bng bSc do nhiu lo8n cLa dngchPy (buffeting, galloping...) Thi9t k9 giPmch*n

p lc gi t7nh ln cng trnh

! # $%&'$%(#)%* ! # $%+,$%&

Khc bi+t g'n 200% !


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Y0 xc >:nh h. sG p l-c gi ln cng trnh :

1- Ph)6ng php sG m phUng (Computational Fluid Dynamics CFD)

2-ThQ nghi.m m hnh trong Gng gi (Wind Tunnel Test)

Tc >/ng gi >/ng

E.' ?/%& %&/%&Y!.% 0)F%& %(P Z4.HAP40BZ I(B##!%& -(B%49B%4%

Thi9t k9 trnh nhP xoy

Thit k9>cnh cng trnh(trnh xoy >/ng)


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H1m gi Wind tunnel

L cng cJ h9t sSc c1n thi9t, khng th0 thi9u >0 giPi quy9t cc v*n

>R kh 25ng h/ng- V*n >Rmi tr)Mng gi > th:

ChGng dao >/ng cho nh cao t1ngThi9t b: giPm ch*n Tune Mass Damper (TMD)

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kc nha cao tang - ts nguyen ngoc dung - vncc.pdf

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