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  1. civil1980

    uplift analysis

    My question is about assigning spring(soil) to slab of foundation.if compression only spring is assigned it does not converge. If compression and tension spring is assigned it converges but I am not sure if results in second case are correct or not? My question is that the type of analysis so...
  2. civil1980

    moment average or maximum

    My question is about the interpre‧ation of moment or reinforcement area as resulllt of analysis and design.As it is known shell elements are modeled for slabs and walls and uniform loads are assigned to them.for calculation of reinforcement average moments shall be used or maximum moment.for...
  3. civil1980

    reinforced concret beam deflection

    My question is about reinforced concrte beam deflection.Deflection due to gravity loads are calculated for service load and flexural behaviour of concrete under service laod is variable which means the strain diagram differs as load increases.concrete cracks under under service load. In chapter...
  4. civil1980

    Torsion in beam

    My question is about torsion in beams connecting to slab.Asit is known as per ACI,longitudinal and tranverse reinforcement shall be designed if torsion is greater than Tcr. On the other hand,if a beam connects to slab، torsion can be released in beam and slab shall be designed for greater...
  5. civil1980

    REDUNDANCY FACTOR

    What is redundancy factor?how is it defined in stucture?
  6. civil1980

    blast load and period of structure

    Is blast load dependent on period of building type structur?
  7. civil1980

    sap design results interpretation

    Strip footing is modeled in SAP.Program calculates moment in both directions and displays contours.In width of strip, Both positive and negative moments exist.How is reinforcement is designed.Is bottom or top reinforcement designed for maximum positive moment over the length or the average or...
  8. civil1980

    modeling soil in sap under a foundation

    A building with it's foundation are modeled in Sap.my question is that how soil is modeled.shall it be modeled as a spring or link?

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