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( 52-101-2: h - a - (x) b - () N - M x.sup - () M x.inf - () M y.sup - () M y.inf - ()

220 500 800 800 70 60 30 27 1.15

R bt

- . .

: h0 190

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: F=N= 800 , ab= 0.4

. 3,84 , 3,85: - u=2ab2h 0 = 3360 - ah 0 W b.x=ah0 bh 0 = ### 3 - y bh 0 W b.y =bh 0 ah 0 = ### 3 . . M x= M x.supM x.inf / 2 = 65 M y =M y.supM y.inf /2 = 28.5

(3,182), M/W < F/u Mx My = ### / < F = 238.1 / W b.x W b.y u (3,182) F M x M y = 343.53 / R bth 0 = 218.5 / > u W b.x W b.y

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52-101-2003)

:

, , . 5.26 ho/3 ( 63.33 ) 300. , , ho/3 ho/2 . (

) 1.5ho ( , , . s= 60 - 5

75 0,5ho =95 2 . (ho/2= 95 , 1.5ho= 285 )

(Rsw=170 ) 240 d sw , = A sw = 0.28 2 = 0.57 0,8 q sw =0,8R swA sw / s w = ### / F sw.ult =0,8q swu = 430.5 6

< R bth 0 = 218.5 /

F b.ult =R btuh 0 = ### F 0,25F b.ult sw.ult (3,182) F Mx My = ### / < R bth 0F sw.ult /u = ### / u W b.x W b.y Page 4

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0,5ho . 5.62 -

(.. ) 1.5ho 315 : a= 1320 b= 1620

- u=2ab2h 0 = 6640 - ah 0 W b.x=ah0 bh 0 3 - bh 0 W b.y =bh 0 ah 0 3 = ###

y = ###

3,182, " " F , (a+ho)(b+ho) F Mx My R bth 0 = 218.5 / = 146.54 / < u W b.x W b.y

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ho/3

.)

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0,5ho

-

1.5ho

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