附加阻尼计算及主体结构设计的方法

6 S3 T>

6.1 S3 T>U V

6.1.16.1.2

XYZB X )@`_ TUV (] `H-a &XYZ _ 4XY _`4S G/HLY 4S -. ; &*` "

SS =+_S X 8YZ K

GB50011=LY 4S $%S A @ -. ,M BD ` $%KL A @ ,M BD `$%X-.V& 9\A @ ,M $`/ &A aV !5

L B TU 1 , #$XYZ&] X) Z @ 4S@

` ]^V& 9\ ; FB8 @` N1K

6.1.4XY _` & L E \8 4S ! 8 ; &*` "GB50011 &L XY _` & @` > . EXY _` &V&)MN /0` /&XY _` & L E \) ; &*` "GB50011E L ^K 6.1.56.1.6

XY :.6 , >D &I U , >Q*K

XY _`4SS V& 9\XY Ba F(2) G %& 1

01=[[ K

6.2 ()WXU

6.2.1XY 8 &$% 4 &\ FI #$Z &A-. '3$%Q

123456

XY #$%$ X TU &_ a YK

XY #$ _4SB 1L Z O 1 ` SK XY #$ _4SW Z D K

XY #$B @2 % A@&)V\ !X #$ 9\A @ ,MD TUK

XY #$%$X _4S U S = @&B PQ

V &XYZ / & XYZ _` K

\8 $% A@@ #$& U S = @V& '( H*`Y1K

6.2.2XY _`4S V _' @W 8S _S Q

% XYZ Q XY & D `4S @2D ) &XY 01`4S @2 ,01) S

"#XYZ Q XY a L '(1`4S @2 ,01) S " $`XYZ Q XY D `4S @2D ) &XY 5% V '(1`4S @2 ,01) K

6.3 ()T>VYZ[\]

6.3.1

1

XY 8S & V ! IQ

% XYZ `U 2Y G& H S (5XY V&XY

@ 15 8SV ! $%Q

Δu py Δu sy

Δu sy

2

≤2/3

6.3.1-1

V QΔu py YY XY B Z ,% a % S

YY $XY LY 4S @2 ,% K

6.3.1-2

" $`XYZ " $`F G 3 -. $%Q

t v ≥Δu d max /[γ]

V Qt v ——" $`XYZ " $`F G 3 S

Δu d max ——WXY Z XYZ L \Y % S [γ]——" $`F G L 0

3 ` XYZ `U 2Y / G& H S (5XY V& H S WXYZXYZ D -. V Q

K b ≥

6πC T 1

6.3.1-3

V QK b —— S WXYZXYZ D S

C D ——XYZ `'( S S T 1——XY _`4S F J N aK

6.3.2

1

XY %&C4S 5

\ & `+Z

% XYZ Q XYZ % '(1` % ? ) K

" $`XYZ Q XYZ L '(1` % ? ) K

2XY %&C4S : '()\ VI Q

ζd =

∑W

j =1

n

cj

4πW s

6.3.2-1

V Qζd ——XY _`4S %&: '() S

W c j —— j 1XY B4S-a@2% Δu j B H

X Y:&∑Z 7B4S H H :XY X Y :?=S

W s ——XY _`4SB @` 3 /YK

0Q L XY B4SH ]# &T %&C4S : '(). 20%V&XY %&C4S : '() W \ _ W Z

3X " ]^TUV&XY_`4SB @` 3 /Y&\

W s =

1

Fu ∑i i

2

6.3.2-2

VI Q

V QF i ——@ i @` O V' N

@` \ S

u i ——@ i @` O % K

4

` XYZB @` HB H X Y:&\

⎛2π2⎞22

W cj =⎜⎟∑C j cos (θj )Δu j

⎝T 1⎠

V Q T 1——XY _`4S F J N aS

C j —— j 1XYZ 7F I `' ( S S

V I Q

(6.3.2-3)

θj —— j 1XYZ XYZ ` , SΔu j —— j 1XYZ % K

L XYZ ' ( S =: D `4S N O a: V&\' XY _`4SF J N a O K

5

E `"#XYZB @` B H X Y:&\

W cj =λF dj max Δu j

V Q λ——' ( S S & Z 6.3.2S

V I Q

6.3.2-4

F dj max —— j 1XYZB @` L ' (1K

, 6.3.2

' ( S 0.250.50.751

0Q H %' ( S O\ ` OK

+

λO

3.73.53.33.1

6% = E ` XYZB @` B

W cj =∑A j

A K

6.3.2-5)

H X Y:&\ V I Q

V Q A j —— j 1XYZ @ 1#. B % Δu j V ,6.3.3 N ] =

1 I' 1XYZ 8S ( (K eff )j &C j ) =XY_`4S & '() ζK

2

' XY _`4S & '()='1XYZ 8S4 ]^5

& ; &*` "GB50011 I & N ] =

@` O % u i " 3) 4S]^\- i A @ 01F i

j 1XYZ '(1F dj " % Δu dj K

4 V(6.3.2-1) (6.3.2-2) (6.3.2-3) (6.3.2-4)=(6.3.2-5) XYZ %&C 4S : '()ζd K

5

ζ=ζ1+ζd

V Qζ1YY 4S '()S

(6.3.3-1)

ζd YY XY %&C4S : '()K 6

' 5 -K 4S& '()='1XYZ 8S ^9:

O & 2Q 5K 4&U Q 2_ 4S& '()` 5 -K 4S: '()_S K 6.3.4 V ]^V& XYZ %&'()V&XYZ % Δu dj @ i @` O F i @ i @` O % u i ]^4B O) O K]^U '()=4S@` -. 4.1.2\ I

$%K6.3.5

>1$-`]^Z

15 &A 5

6.3.6XY _`4SRS @`= S@` 3'() ] &XY %&C4S : '()M*255V& 255 K

6.4 ^ T>

6.4.1:LNO&[UC !?*12:; 3@

1 ?4

23456

$% ) $%W & / [U# * $%[T WX ) $%W & / .) $%W & O%* )*5JK(L JK U V :&[T U VW X Y 5 ):LNO&[UC !?*'U VW X Y 5&; NOO%&; & )NOO%*

5P JK(L JK U V :&)*FST4 2 # * $% $& 4 5 & _`ST :&[U!?4 5P JK U V )*F& M # 4 &AU &UV 4

6.4.2XY _`4S *`/ 7 $%@ Q

12

XY _`4S@2$`% BO ; &*` XY _`4S@2$-`% BOX ; &*`

"GB50011' O K

"GB50011 I BO $%K6.4.3L Y 4S S, ( V ! $%Q

1' O K

2

L XY _`4S *``Y> V&LY 4S *`S, $%\E

LR O &R O \8 XY _`4S@`TU S`X $XY _`4S @`TU S ? )F I &L RO P B 1 W MK

L Y 4S *`&X ; &*` "GB50011:LNO&[UC !?)*'\ ] ^ C # _`

GB50011P

3`XYZ + JK L R JK L G F `XY + JK L

G I &JP V I L 2 = I L .U:& -. ; JK L 4S "GB50010= 1 @ &JK L 4S T " JGJ3 $%S `XYZ +012 F&H I&JPV IL 2 = IL.U:& XO ; J K L 4S "GB50010= 1 @ &J K L 4S T " JGJ3 !F $%K

4

`XYZ + RG R F a S,( ; R 4S

"GB50017= 1 @ &R4S T " JGJ99 Z $%FI K

6.5 S3 _32 `T>

6.5.1XY _` & 4! &5

, 6.5.2

ZX F J Y R YR YZ

Y Z %

S Y Z 1 PW / R S PW / & ]> PW / R S Z ] R S

S Y Z

Y Y Z Y Z

% S :X ) Z :X ) Z :X ) Z

]^_ \Y ` VX [$ \]^_ X [$ & \_ [$ V & ' ?( P \E L_ &4 XY

) & &% XYZ $% 8 4. PQ F IK $%

[

/ 89O

Y Z

1.5[Δu e ]~2[Δu e ]

& Z YZ Y Z

3[Δu e ]~4[Δu e ]

Z

> P W / Z

Y Z

Z

Z

Z

>[Δu p ]

0Q1 5%W & ] 30%W &RS 50%W H K

& Z / 89O &' $`=$-`% BO O & YZ' 1/2 O K

6.5.3XY _`4S*``Y \ Z 6.5.3@ ' C K

, 6.5.3Y #

`Y 1YR

`Y 2YR

`Y 3YR

`Y 4YR Q_S &

F J YR &4SS

YZ &4SS /$ P ]^_ & [$%XYZ

Y Z &4SS [&MP Y _ &8 4 P Q F IK $%

XYZ _S Z

F J YR &4SS

Q & Z&4SS P ]^_ &8 4 PQ F IK $%

XYZ

& Z&4SS [&MP ]^_ &8 4 PQ F IK $%XYZ

&4SS &% XYZ $% XYZ 8 4. PQ F IK

$%

4 P ]^_ & [$%XY

Z

@` R S @`

I@`YR &

S @`

4 P ]^_ & [$%XY

Z

6.5.4X ) `Y J XY_`4S "5 -. ; &

*` "GB50011 $%K