3 concentrated load equivalents -...

3–210 DESIGN OF FLEXURAL MEMBERS

AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Concentrated Load Equivalents

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BEAM DIAGRAMS AND FORMULAS 3–211


Cantilevered BeamsBeam Diagrams and Formulas—Equal Loads, Equally Spaced

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Continuous BeamsMoments and Shear Coefficients—Equal Spans, Equally Loaded




Shears, Moments and Deflections





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load





1M R

V

maxM

1M

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NOTE: For a negative value of





31. CONTINUOUS BEAM — TWO EQUAL SPANS — CONCENTRATED LOAD AT ANY POINT

l from R )1

29. CONTINUOUS BEAM — TWO EQUAL SPANS — UNIFORM LOAD ON ONE SPAN




a

R (l – x)


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37. CONTINUOUS BEAM — THREE EQUAL SPANS — ONE END SPAN UNLOADED

38. CONTINUOUS BEAM — THREE EQUAL SPANS — END SPANS LOADED

39. CONTINUOUS BEAM — THREE EQUAL SPANS — ALL SPANS LOADED



40. CONTINUOUS BEAM — FOUR EQUAL SPANS — THIRD SPAN UNLOADED

41. CONTINUOUS BEAM — FOUR EQUAL SPANS — LOAD FIRT AND THIRD SPANS

42. CONTINUOUS BEAM — FOUR EQUAL SPANS — ALL SPANS LOADED



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43. SIMPLE BEAM — ONE CONCENTRATED MOVING LOAD

44. SIMPLE BEAM — TWO EQUAL CONCENTRATED MOVING LOADS

45. SIMPLE BEAM — TWO UNEQUAL CONCENTRATED MOVING LOADS

GENERAL RULES FOR SIMPLE BEAMS CARRYING MOVING CONCENTRATED LOADS


3 concentrated load equivalents -...

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