8/6/2019 Double Box Culvert With Flared Wings - Square

1/1

L O C A T I O N S K E T C H

1T"V

"

"G"

"E"

6"T

"B

"HT

"B"

6

"D"

E L E V A T IO N A -A

2 3Flow line Elevation (2)

FlowConst. jt.

(as shown on road section)"A" "C"A"

20"

Flow lineElevation (1)

"R" "M"

20"

S E C T IO N T H R U B O X

"TX" "S""TI"

"S" "TX"

"B

"HT

"T

(Normal to Structure)

18" (Typ.)

DETAIL "B"

2

"TX"

"TX"

3

10" (Typ.)

Fa

Rwy

3"

Const. jt.

1

"TX"

"TI"

"S" "S"

"U"

"Q"

3

"R

"M"

"N"

"P"

3"

3

"Y"

" K K "

2

Roadway or Median

2

P L A N S H O WIN G L A Y O U T D IM E N S IO N S

AFow

A

Lmiog

b

Lmiog

b

Station

1

DETAIL"B"

"F"

18" 18"

L=T

haoS

u

"E

"A"C

"A"B

"D"

DETAIL"A""T X " "TX "

10^

10

"TX"

"TX"

3" 2

DETAIL "A"

Const. jt.

"N"

Structure

G E N E R A L D A T A T A B L EVA RIA BLE EQUATION VA RIA BLE

Elev. (1) feetElev. (2) feet

EQUATION

Design Fill (*)

"B"

"S"

"M "

"HT"

"L""G"

- - -

"E"

- - -

"C"- - -- - -

2V

"TS" - - -"BS" - - -"TX" - - -"TI" - - -

- - -A"

G + 23""F" 2S + 2TX + TI

"D" R + M + N + 20"

2A + B + C + D + E

"V" HT + TS - 12"

"N""P""Q"

N(cos 20^)3" + TX(tan 10^)2V(sec 20^)TX(cos 20^)

"R""U"

"Y" TX(sin 20^)

P(cos 20^)(R + M)(tan 20^)

"KK" S + U + TI/2

"G"

3

(Normal to Roadway)

Design Loading:

Design Unit Stresses:

Design Specifications:GENERAL NOTES:

Shoulder to Shoulder Width

Sta.=Pr. Gr. Elev. at Sta.=Fill at Rdwy. at Station =

F IN A LQUANTITIESS T IM A T E D Q U A N T IT IE S

cu. yard

cu. yardpound

Class 4 Excavation

Class B-1 C oncrete (Culverts-Bridge)Reinforcing Steel (Culverts-Bridge)

D IM . D IM .

* Design fill height is the distance from topof earth fill or roadway to the top ofthe top slab.

Removal of Bridges lump sum

20^

Roadway or Median

2002 - AASHTO 17th EditionLoad Factor Design

Granular Backfill

Granular backfill

Precast Box usedCast-in-Place Box used

Note: Slope of bottom slab shall be placed atnatural stream gradient.If unsuitable material is encountered, excavationof unsuitable material and furnishing and placingof granular backfill shall be in accordance withSec 206.

The box shown below indicating whether aprecast or cip box was used should bechecked by MoDOT Construction personnel:

HS20-44 HS20 ModifiedEarth 120 #/ft.Equivalent fluid pressure30 #/ft. (Min.) - 60 #/ft. (Max.)All elevations shown are in feet unlessotherwise noted.

Class B-1 concrete fc = 4,000 psiReinforcing steel (Grade 60), fy = 60,000 psi

"Sec" refers to the sections in the standardand supplemental specifications unlessspecified otherwise.

When alternate precast box sections are used,the minimum barrel length measured along theshortest wa ll from the first joint to theoutside of the headwall, shall be 3~2".Reinforcement and dimensions for the wingsand headwalls shall be in accordance withMissouri Standard Plans drawing.Minimum c learance to reinforcing steel shallbe 1 1/2", unless otherwise shown.

Design High Water (DHW) Elev. = ___________

Backwater/Base Flood Data (100 year)

HYDROLOGIC DATA

Roadway Overtopping

High Water Elev. = _____________

Estimated Backwater = _______ ___ (ft)

Design Elev. (1 below shoulder) = ___________Design Discharge = ___________ (cfs)Design Frequency = ___________ (year)

Drainage Area = ___________ _____ (sq. mi.)

Design High Water Discharge = ______________ (cfs)

Design Discharge = _______________ (cfs)

Design High Water Frequency = _________ (year)

Outlet Velocity = _____________ (ft/sec)

M I S S O U R I H IG H W A Y S A N D T R A N S P O R T A T I O N C O M M I S S I O N

DesignedDetailedChecked Note: This drawing is not to scale. Follow dimensions. Sheet No. ofABOUT

S TA TE R O A D

STA.

BRIDGE

B . M .

STD.STD.STD.STD.

SEC/SUR TWP RGE* * *

* BR **

*

box04_dbl_sq_ fla Effective: July 2008 Supercedes: Jan. 2006

B O X 4d:\pwise_local\GABELR1\dms09884\box_dbl_tri_ref.dgn 08:33:36 AM 07/10/2008

STATE DISTRICT S H E E T N O .OUTE

JOB NO.

PROJECT NO.

C O U N TY D A TE

MO

CONTRACT ID.

"THIS MEDIA SHOULDNOT BE CONSIDERED

A CERTIFIEDDOCUMENT."