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STRUCTURAL DESIGN OF SINGLE CELL BOX CU
Based on AASHTO LRFD Bridge Design 2007 SI
Client: GeoData Survey Company Designed By: Ali Akbar
Shaikhzadeh
Job a!e"Station: Culvert Structural Design #eri$ied By:
I%&T DATA
CONCRETE COMPRESSIVE STRENGTH, f'c 28 MPAREBAR YIELD STRENGTH,
fy 420 MPA
24 kN/cu
!8 kN/cu
HEIGHT O"C#LVERT, H !$00
%IDTH O" C#LVERT, B 2000
&$0
&$0
&$0
2000
0 P(
!44 P(
&0 D)*+
PRE"ERRED REBAR SIE !2
CONCRETE COVER TO REBAR CENTER -$ Design Summa
NO+ O" REIN"ORCEMENT LAYERS 2 S.)( S(u1
MAIN REIN"ORCEMENT SPACING 200 ")3u) S(u1
TEMPERAT#RE REIN"OR+ SPACING 200 S5 P)11u) S(u1
LOADS O TH' C&L#'RT" .) 6)15*7 u1)1 ( 7)9)) )7*. f .) cu:)
51 c7156))6+
Top Slab
Vehicular Live Loads (HS 20 AASHTO Truck)
2000 LL (onsidered)
Mu5) )1)7c) f(c !+20 T(ff5c (:)57* (()
%56. f 6515;u)6 (6
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Side Walls
Soil ressure
0+&&&
Suc.(*) 7 156) (1 6u) 15 &+0 P(
2+0
L57)( )11u) ( .) ; f .) 156) ( 2!+0 kN/
Sel%wei$h!
!&+4 N
Bottom Slab
Sel% wei$h! o% !he whole s!ruc!ure
L57)( 15 )11u) 6u) 1u+ 1)f)5*. $?+$2 kN/ S)) 7) !
Vehicular Live Loads (HS 20 AASHTO Truck)
L57)( 15 )11u) 6u) 5:) (61 ?+08 N/ S)) 7) !
FACTOR'D LOAD DIA1RAS
L(6 f(c f 6)(6 (6 !+2$
L(6 f(c f .5F7( )(. )11u) !+$0
L(6 f(c f 5:) (6 !+-$
33)30
45)00 45)00
64)3 64)3
7)
AAL8SIS OF TH' STR&CT&R'T.) 1ucu) 51 (7(yF)6 u157* .) )7
6515;u57 ).6+
T.) f53)69)76 )7 ( )(c. 57 51 .) 1u)1557 f .) f53)69)76 )71 6u)
6)(6, 5:) (76 )(.
57 A B D C
M);) AC AB BA BD DB DC CD
L)7*. 0+80 2+00 2+00 0+80 0+80 2+00 2+00
M)7 f I7)5( 0+02?2 0+02?2 0+02?2 0+02?2 0+02?2 0+02?2 0+02?2
D515;+ "(c 0+-! 0+2? 0+2? 0+-! 0+-! 0+2? 0+2?
"EM !+2$ 92&+80 2&+80 9!+2$ !+&? 9&0+!0
&0+!0
D515;u57 !+!! +44 9+44 9!+!! 20+$0 8+20 98+20&arry Over
9!0+2$ 9&+22 &+22 !0+2$ 98+0$ 94+!0 4+!0
D515;u57 ?+2 &+8$ 9&+8$ 9?+2 8+8 &+4- 9&+4-
&arry Over 94+&4 9!+?2 !+?2 4+&4 94+8! 9!+-4
!+-4
D515;u57 4+48 !+-? 9!+-? 94+48 4+8 !+8- 9!+8-
k(.
>
H)5*. f 1uc.(*)
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&arry Over 92+&4 90+?0 0+?0 2+&4 92+24 90+?4
0+?4
D515;u57 2+&! 0+?2 90+?2 92+&! 2+2- 0+?! 90+?!
&arry Over 9!+!& 90+4 0+4 !+!& 9!+!$ 90+4$ 0+4$
D515;u57 !+!4 0+4 90+4 9!+!4 !+!$ 0+4 90+4
&arry Over 90+$- 90+2& 0+2& 0+$- 90+$- 90+2&
0+2&
D515;u57 0+$- 0+2& 90+2& 90+$- 0+$- 0+2&
90+2&
&arry Over 90+2? 90+!! 0+!! 0+2? 90+2? 90+!! 0+!!
D515;u57 0+2? 0+!! 90+!! 90+2? 0+2? 0+!! 90+!!
M)7 Su !+84 9!+84 !+84 9!+84 22+4! 922+4! 22+4!
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SH'AR O'T DIA1RAS
Top Slab
!8+8kN/
9!+84 kN/
D)15*7 M)7 !8+8 kN/
-!+&? kN
94+2 kN
D)15*7 S.)( 2+-- kN
A 651(7c) 6 f .) f(c) f .) 1u
Bottom Slab
22+4! kN/
922+-& kN/
D)15*7 M)7 22+-&kN/
?0+2? kN
9?0+2? kN
D)15*7 S.)( &&+8 kN
A 651(7c) 6 f .) f(c) f .) 1u
M(3
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Side Walls
22+4! kN/
9!4+?2 kN/
D)15*7 M)7 22+4! kN/
9&8+2 kN
9$0+8 kN
D)15*7 S.)( 4?+0& kN
A 651(7c) 6 f .) f(c) f .) 1u
THIC9'SS CH'C9
Co!onent d !!; Stat+s
T 1(; 2-$ !8$+$ 2+8 O)9)
B 1(; 2-$ !8$+$ &&+? O)9)S56) (1 2-$ !8$+$ 4?+0 O)9)
R'IF) CALC&LATIOS
0+000-
0+0008
$2$
Co!onentMAIN REIN"ORCEMENT
d !!; Stat+s
T 1(; 2-$ 2!+0 202 !!&! 0+00&2 0+00!& O)9)
B 1(; 2-$ 2$+& 24& !!&! 0+00&2 0+00!&
O)9)
S56) (1 2-$ 24+? 240 !!&! 0+00&2 0+00!& O)9)
SOIL %R'SS&R' CH'C9
M(3
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P)11u) 7 15 8+0 P(
A(;) 15 )11u) !44+00 P(
S(u1 O)9)
!9 I7 )(5y, .) u5f 15 )11u) 7 .) ; 1(; (y 7 ;) u75f+ H):), f
155c5y, 5 1.( ;) (11u)6 ;) u75f+
29 M575u )57fc))7 (5 fu76 51 f 7) (y) f )57fc))7 (76 1.( ;)
u5y)6 ;y 2 5f .)) 51 2 (y)1 f )57fc))7+
&9 C)( 651(7c) ;)))7 (y)1 f )57fc))7 1.( 7 ;) ) .(7 !$0 (76
)11 .(7 2$+
49 A 15 .(1 ;))7 (11u)6 ;) 1(u()6 15+
$9 I .(1 ;))7 (11u)6 .( 7y 7) (3) f .) 6)15*7 uck c)1 7 .) cu:)
( ( 5)+ T.51 51 u) f cu:) 56. u 4&00+ "
.51 6)15*7 1)(61.)) c(7 7 ;) u1)6 157c) 5 51 115;) .( (3) (61 c)
7 .) cu:)+
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VERT
Date: 1-Jul-12
Re,ision:
V)157 !+0
y
O)9)
O)9)
O)9)
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2+24
92+2-
!+!$
9!+!$
0+$-
90+$-
0+2?
90+2?
922+4!
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) 56.1
