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CSP LRFD HOC Calculator

CSP LRFD HOC Calculator

Pipe Selection

Diameter

(inches)

Corrugation

(inches)

Gage

Load Type

Vehicle 1 icon-moreEvaluate both the design truck and the design tandem to determine which configuration produces the maximum load.

Vehicle 2 icon-moreEvaluate both the design truck and the design tandem to determine which configuration produces the maximum load.

Load Resistance Factor

γEV icon-moreload factor for vertical pressure from dead load of earth fill

m icon-moresingle-lane multiple presence factor

γLL icon-moreload factor for live load

Φw icon-moreload factor for vertical pressure from dead load of earth fill

ηEV icon-morevertical earth pressure load modifier

Density

(kcf)

ηLL icon-moreload modifier as they apply to live loads on culverts

k icon-moresoil stiffness factor

Calculate

Results

Maximum Height of Cover

(feet)

Minimum Height of Cover icon-moreMinimum covers are measured from the top of the pipe to the bottom of a flexible pavement structure or to the top of a rigid pavement structure. Minimum covers must be maintained in unpaved traffic areas.

(feet)

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