Calculator

Height of section at midspan of beam(mm):

Width of section at midspan of beam(mm):

Distance from extreme compression fiber to centroid of longitudinal tension steels at midspan of beam(mm):

Number of longitudinal tension steels at midspan of beam:

Diameter of longitudinal tension steels at midspan of beam(mm):

Height of section at right support of beam(mm):

Width of section at right support of beam(mm):

Distance from extreme compression fiber to centroid of longitudinal tension steels at right support of beam(mm):

Number of longitudinal tension steels at right support of beam:

Diameter of longitudinal tension steels at right support of beam(mm):

Height of section at left support of beam(mm):

Width of section at left support of beam(mm):

Distance from extreme compression fiber to centroid of longitudinal tension steels at left support of beam(mm):

Number of longitudinal tension steels at left support of beam:

Diameter of longitudinal tension steels at left support of beam(mm):

Modulus of elasticity of concrete(MPa):

Modulus of rupture of concrete(MPa):

Modulus of elasticity of steels(MPa):

Span length of beam(mm):

Uniform distributed dead load(N/mm):

Uniform distributed live load(N/mm):

Percentage of sustained live load:

Location and condition at midspan of beam:
(Note: For end span and discontinuous end integral with support, enter 1 | For end span and discontinuous end unrestrained, enter 2 | For interior span, enter 3)

Location and condition at right support of beam:
(Note: For interior face of exterior support and member built integrally with supporting spandrel beam, enter 1 | For interior face of exterior support and member built integrally with supporting column, enter 2 | For exterior face of first interior support and two spans, enter 3 | For exterior face of first interior support and more than two spans, enter 4 | For face of other supports, enter 5 | For face of all supports where ratio of sum of column stiffnesses to beam stiffness exceeds 8 at each end of span, enter 6)

Location and condition at left support of beam:
(Note: For interior face of exterior support and member built integrally with supporting spandrel beam, enter 1 | For interior face of exterior support and member built integrally with supporting column, enter 2 | For exterior face of first interior support and two spans, enter 3 | For exterior face of first interior support and more than two spans, enter 4 | For face of other supports, enter 5 | For face of all supports where ratio of sum of column stiffnesses to beam stiffness exceeds 8 at each end of span, enter 6)

Type of member before attachment of the nonstructural elements:
(Note: For flat roofs not supporting or attached to nonstructural elements likely to be damaged by large deflections, enter 1 | For floors not supporting or attached to nonstructural elements likely to be damaged by large deflections, enter 2)

Type of member after attachment of the nonstructural elements:
(Note: For roof or floors supporting or attached to nonstructural elements likely to be damaged by large deflections, enter 1 | For roof or floors supporting or attached to nonstructural elements not likely to be damaged by large deflections, enter 2)

Sustained load duration:
(Note: For 60 months or more, enter 1 | For 12 months, enter 2 | For 6 months, enter 3 | For 3 months, enter 4)

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