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In the reinforcement, there are top slab, bottom slab and outside walls.

Culvert Design Example Reference: U.S. Department of Transportation Federal Highway Administration. Hydraulic Design Series Number 5 – Hydraulic Design of Highway Culverts. Publication No FHWA-NHI-01-020, Revised May 2005. Given Data 10-year design flow= m^3/s Design Head Elevation, ELhd= m Road shoulder elev= Channel invert levation,Eli=. Excel Sheet For Sieve Analysis Of Aggregate And To Calculate Fineness Modulus. Two-Way Slab Design Based on ACI 318-11 using Finite Element Method. Design of Slab(Two Way) Excel Sheet. Concrete Mix Design Excel Sheet. Design of stair case with central stringer beam. Check List for Block / Brick work. RCC Dog-legged Staircase design Excel Sheet.

Box culvert typical section (6x7), where 6 are inside length and 7 is inside height. Top slab has top main bar and bottom main bar.

New culverts not meeting Design Table requirements and in need of special design. Steam game launcher rainmeter. See the Bureau of Local Roads and Streets Manual for guidance on Local Agency culverts. 2.1.3.2 Multi-Barrel Cast-in-Place Concrete Box Culverts For State structures, all new multi-barrel cast-in-place box culverts require a structure number. Box Culvert Design Data Sheet 6/6. PDF of Design Data Sheet 6. Box Culvert Headwall Reinforcing Steel Calculations Sheet. MS Excel sheet (for bar schedules) to facilitate the design of box culvert headwalls. Instructions can be found on the first sheet of the general notes of the Design Data Sheet.

Dots signify distribution bars. Bottom slab has top main bar and bottom main bar. Dots signify distribution bars. There’re outside walls with vertical main bars. Dots indicate distribution bars.

There’re bars at 45 degree, known as haunch bars. Wall thickness is 10 inches. Top bar size is #4 @ 6” centre to centre. Bottom bar size is #5 @ 6” centre to centre. Haunch size is #4 @ 12” centre to centre.

Cross-section distribution bars are # 4 @ 12” centre to centre. Vertical bars are # 4 @ 6” centre to centre. Top bars are # 4 @ 6” centre to centre. Bottom bars in bottom slab are # 5 @ 6” centre to centre. Bottom slab is slightly bigger than top slab.

Horizontal length = length – concrete cover

Band is according to slab thickness.

Slab thickness = 10”

Concrete cover (from top and bottom) is 2”

3” band cover is considered

Cut length = length – (2 x concrete cover)

Top bar length = 7.67’

Band = 3”

1’ offset

Concrete cover = 2”

Culvert length = 20’ Box culvert typical section (6 x 7)

r = square root(x² + y²)

r = square root (1.668 + 1.642)

r = 1.819

Haunch bar total length = 0.5 + 0.5 + 1.819 = 2.819

Numbers = (length – 2 x concrete cover)/spacing + 1

Diameter and length are same in case of distribution bars. [Calculated single time]

Diameter is different in case of top and bottom main bars. [Calculated separately]

Total Length = Bar Length x Numbers x Rows

Weight = d²/52.896

Total Weight = Total Length x Weight/ft

Download Link Excel File

Box Culvert Design Excel Sheet Templates

To get more clear idea, go through the following video tutorial.

Concrete Box Culvert Design Spreadsheet

Lecturer: Civil Gyaan