Structural Design Homework: Landing Support Analysis

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SUMMARY

The discussion centers on the structural design analysis of landings in relation to staircases. In the first case, the landing is supported by a beam, necessitating a combined load analysis for both the staircase and landing. Conversely, in the second case, the landing acts as a support for two staircases, requiring a separate load analysis for the landing. The participants debate the validity of these interpretations and the implications for structural load calculations.

PREREQUISITES
  • Understanding of structural load analysis principles
  • Familiarity with beam and landing support concepts
  • Knowledge of staircase design and loading conditions
  • Basic grasp of structural engineering equations and methodologies
NEXT STEPS
  • Research structural load analysis techniques for combined and separate load scenarios
  • Study beam support calculations in structural engineering
  • Explore the implications of landing design on staircase support systems
  • Learn about common structural engineering software tools for load analysis
USEFUL FOR

Structural engineers, architecture students, and professionals involved in building design and analysis will benefit from this discussion, particularly those focused on load analysis and support systems in staircases and landings.

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Homework Statement


For the first picture , i was told that the landing is supported by the beam . So ,when we are doing the load analysis , the load analysis of the staircase and landing are combined . however , for the second example , the landing is said to be the support . so , when we are doing the load analysis , the load analysis of the landing has to be done separately .

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The Attempt at a Solution


Why ? I think the author is wrong . I agree that for case 2 , the landing is said to be the support of 2 staircase ( up and down) . For the first case , why can't i say the landing is the support ?
 

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The first figure shows the loading condition of the first case ( first part is staircase , second part shows the landing ) , while the second and third figure shows the loading condition of the second case ( separated analysis for staircase and landing.)
 

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