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  1. QSIIN

    Diagonally reinforced coupling beams Upper limit - ACI-318 vs NZS-3101

    ACI 318 has quite a stringent upper limit on maximum allowable shear stress on diagonally reinforced coupling beams [10SQRTf'c (psi) / 0.83SQRTf'c (MPa)], however the new Zealand concrete code, NZS 3101 states "No Upper limit is placed on the shear force that may be resisted by diagonally...
  2. QSIIN

    Structural Wall" definition AS3600-2018

    Hi all, Just want to get some opinions on the changes to "structural walls" in new 2018 AS3600. Section 14.2.10 defines a structural Wall as: "Wall (either load bearing or non-loadbearing) connected to floor diaphragms that attracts horizontal earthquake and wind design actions". At what...
  3. QSIIN

    RC blade column biaxial bending

    Hi all, When designing an RC blade column, does the biaxial bending check in Section 10 cover the out of plane bending/buckling that the compression block may face due to the in plane bending? Or is it necessary to design the compression block from the in plane bending condition for out of...
  4. QSIIN

    AS 3600 Commentary on Punching Shear

    Hi All, Looking at punching shear, CL 9.2, concrete shear stress fcv may be taken as 0.5*sqrt(f'c) only if a "shear head" is provided - no further guidance or description on this is given. My understanding is that "shear head" in this context are open steel sections cast into the slab itself. I...
  5. QSIIN

    Australian AS 3600 SAFE users?

    Hi all, I've recently been tasked with trialing SAFE and comparing analysis and designs with RAM Concept. Are there any Australian users of SAFE out there using AS 3600? Any tips and tricks or things I need to be aware of for an Australian User? Thanks!

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