Calculator

Height of section(mm):

Width of section(mm):

Specified compressive strength of concrete(MPa):

Number of longitudinal steels in first layer:
(Note: This input is for the nearest longitudinal steels layer to extreme compression fiber of concrete)

Diameter of longitudinal steels in first layer(mm):
(Note: This input is for the nearest longitudinal steels layer to extreme compression fiber of concrete)

Distance from extreme compression fiber to centroid of longitudinal steels in first layer(mm):
(Note: This input is for the nearest longitudinal steels layer to extreme compression fiber of concrete)

Number of longitudinal steels in second layer:

Diameter of longitudinal steels in second layer(mm):

Distance from extreme compression fiber to centroid of longitudinal steels in second layer(mm):

Number of longitudinal steels in third layer:

Diameter of longitudinal steels in third layer(mm):

Distance from extreme compression fiber to centroid of longitudinal steels in third layer(mm):

Number of longitudinal steels in fourth layer:

Diameter of longitudinal steels in fourth layer(mm):

Distance from extreme compression fiber to centroid of longitudinal steels in fourth layer(mm):

Number of longitudinal steels in fifth layer:

Diameter of longitudinal steels in fifth layer(mm):

Distance from extreme compression fiber to centroid of longitudinal steels in fifth layer(mm):

Number of longitudinal steels in sixth layer:

Diameter of longitudinal steels in sixth layer(mm):

Distance from extreme compression fiber to centroid of longitudinal steels in sixth layer(mm):

Number of longitudinal steels in last layer:
(Note: This input is for the farthest longitudinal steels layer to extreme compression fiber of concrete)
(Note: For example, if there are 5 layers of longitudinal steels, enter number of longitudinal steels in fifth layer in field of "Number of longitudinal steels in last layer" and enter 0 in field of "Number of longitudinal steels in fifth layer" and "Number of longitudinal steels in sixth layer")

Diameter of longitudinal steels in last layer(mm):
(Note: This input is for the farthest longitudinal steels layer to extreme compression fiber of concrete)
(Note: For example, if there are 5 layers of longitudinal steels, enter diameter of longitudinal steels in fifth layer in field of "Diameter of longitudinal steels in last layer(mm)" and enter 0 in field of "Diameter of longitudinal steels in fifth layer(mm)" and "Diameter of longitudinal steels in sixth layer(mm)")

Distance from extreme compression fiber to centroid of longitudinal tension steels in last layer(mm):
(Note: This input is for the farthest longitudinal steels layer to extreme compression fiber of concrete)
(Note: For example, if there are 5 layers of longitudinal steels, enter distance from extreme compression fiber to centroid of longitudinal steels in fifth layer in field of "Distance from extreme compression fiber to centroid of longitudinal steels in last layer(mm)" and enter 0 in field of "Distance from extreme compression fiber to centroid of longitudinal steels in fifth layer(mm)" and "Distance from extreme compression fiber to centroid of longitudinal steels in sixth layer(mm)")

Specified yield strength of longitudinal steels(MPa):

Eccentricity of axial load(mm):

Input

Output

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