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Project: Nhat Tan- Noi Bai Project

Finger Expansion Joints: UCF60, UCF110, UCF160

Calc lation !eport

Calc lation !eport o" UCF-60, 110, 160 Finger Expansion Joints

Figure 1

#ax$ %ongit &inal 'o(e'ent o" the expansion joints:

Type Expansion Joints

1 UCF60 70 10 60 60

T)pe

1 The section and plan drawing for UCF Finger expansion joints

OutdoorTemperature = 5 ℃,Dmax= (mm

Outdoor Temperature= !7 ℃, Dmin= (mm

"ax# "o$ermentD=Dmax%Dmin (mm

&e'uired"o$erment (mm


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Calc lation !eport

T)pe

UCF110 1 0 10 110 110

) UCF160 170 10 160 160

Max. Longitudinal Movement = e!uired Longitudinal Movement

". #esign of load ".1 #esign of load characteristic of the truc$%&'"(

Figure )

)." Calculation of total design load

*o = +,.) $-

".) Calculation of total design load

*o= +!#) -

.ddiona/ /i$e /oad under a// t e /imited onditions2 3"= 0#75

Tota/ /oad on 4in er p/ate (exerted y ea ee/ 2 165 -

8idt o4 tire onta t it 4in er p/ate2 9= 510 mm

.s to a :; 0 tru ,max ei t o4 a ax/e *a=1!5


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Calc lation !eport

T)pe

en t o4 tire onta t it 4in er stee/ p/ate2 = 50 mm

8idt o4 enter/ine o4 a pair o4 tire2 = 1>00 mm


1 UCF60 60

UCF110 110) UCF160 160

"., Load on the finger plate of UCF (/ UCF11(/ UCF1 ( finger expansion joints

"ax# endin moment is aused i/e t e tire a ts on t e enter/ine o4 eam ap on t e sur4a e o4 4in er p/ate#(Fi ure !

Figure ,

#ax$ *i&th o" gap +et*een +ea's

"ax# "o$ermentomax=D (mm


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Calc lation !eport

T)pe

). The anal0sis of force on the finger plateConta t position o4 one tire on t e enter/ine o4 eam ap on t e sur4a e o4 4in er p/ate is s o n in Fi re 5#

Figre

$1 i'ension o" each tooth o" "inger plate


1 UCF60 100 60 )5

UCF110 150 >0 )5

) UCF160 05 >0 !0

$. /nternal stress o" each tooth o" "inger plate

For eas) "ig res, s ppose each tooth o" "inger is prot &e& o t o" the +ea': %o'ax %t .

en t o4 toot t(mm

8idt o4 toot root8t mm

:i t o4 toot root :tmm


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Calc lation !eport

T)pe

$.$1 Frist 'o'ent o" area +) each tooth root o" "inger plate

Type Expansion Joints 8t

1 UCF60 60 1 5 1 50#000

UCF110 >0 1 5 16)))#)))

) UCF160 >0 1600 1)))#)))

$.$. eal loa& on each tooth o" "inger plate exerte& +) tire

34 one tire simu/taneous/y a ts on a// t e 6,1>1> teet o4 4in er p/ate UCF 160 and UCF110 and >,160 teet 4or UCF 60 ,t e $erti

*y = * t= *max ?6,1>1> *max ?>,160 >#500

:ori@onta/ /oad ($e i /e ra es 2 6#)75

*x = 0#)A*t 6#)75

$.$ Ben&ing 'o'ent o" tooth root exerte& +) each tire: # P2%t

Type Expansion Joints *y ( - *x ( - t (mm "y=*yA t (-%mm

1 UCF60 0# 6#07 100 ,0 ,)65

UCF110 6#70 >#0+ 150 !,00!, +5

) UCF160 6#70 >#01 05 5,!7 ,5)6

$.$3 /nternal stress o" each tooth 4 #5


1 UCF60 165 50 17

UCF110 !5 7! 56

) UCF160 57 77 6>

,. Claculation result

The 'aterials o" "inger plate is 78T# 790 ;ra&e


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Calc lation !eport

T)pe

.//o a /e stresses G= ) 5 "*a

Type Expansion Joints 4'ax >#Pa? @4A >#Pa? !e ire& !es lt

1 UCF60 12"

)" 34 UCF110 "

) UCF160 " 5

6max 768


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