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CE Calculators > Continuous Beam     Moment Distribution Calculator for continuous beam                

This free online calculator is based on moment distribution method developed by Hardy Cross for solving indeterminate beams. This calculator can be used for continuous beams of two span having end supports as fixed and intermediate support as roller. The spans can be subjected to point loads, uniformly distributed load, varying load and applied moments. This calculator will give you the distribution factors, the final end-moments and the support reactions along-with the steps of balancing and carry-over.

Instructions for using Moment Distribution Calculator

(i). Sign convention

(a)The loads acting upward are considered as positive while the downward loads are taken as negative. Sagging bending moment is taken as positive and hogging as negative. The clock-wise rotation and moments are negative and anticlock-wise as positive.

(b) In case of Fixed-end moments, the anticlock-wise moment at left-end support is taken as negative; it will cause hogging moments in the beam, whereas at the right-end support the clock-wise moment is taken as positive which causes hogging.

(ii) All the distances should be entered in meter and measured from the reference point as shown in the figure.

(iii) Point Load is to be entered in kN and intensity of uniform load or varying load in kN/m

(iv) The values of Modulus of elasticity for both the spans should be in the same unit. Also the Moment of inertia of both the spans should be entered in same units. Alternately these values can be entered proportionately e.g, if E2=2E1.you can enter E1=1 and E2=2.

 
                                         Select the Loading case from the following

Point Loads on the left span and uniform load on right span

point loads and uniform load on continuous beam

Point load on left span and UVL on right span (maximum at center)

point load and varying load on continuous beam

UDL on left span and UDL on right span

 

Uniform load on both spans of continuous beam

Point load on left span and varying load on right (maximum at left support)

point load and varying load on continuous beam

Point load on left span and varying load on right (maximum at right support)

point load and varying load on continuous beam

Point Load on left span and uniform load on part of right span (left side)

point load and partial uniform load on continuous beam

UDL on left span and varying load on right span

Uniform Load and varying load on continuous beam 

Uniform load on left span and point load on right span

Uniform load and point load on continuous beam

Point Load on left span and UDL on part of right span(right side)

point load and partial Uniform load on continuous beam

Point Load on left span and Moment applied on the right span

point load and moment applied on continuous beam

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Last updated on Saturday March 15, 2014