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Hi, I am trying to understand the section modulus Zd, Zu and Zp in AS3700, for an ungrouted, unreinforced masonry wall. The wall consists of 15.01 hollow blocks (390x190x140): For Zd, it is pretty straight forward - basically section modulus of the block itself viewing from plan, and then...

Thanks Steve and Tom, viewing it from this perspective makes much more sense now :)

Thanks Tomfh. How about the unrestrained condition for kt? If an end is unrestrained wouldn't it result in a worse case than partially restrained? Hi Steveh49, yes I believe they cannot be compared directly. But like what I wrote above, logically wouldn't an unrestrained end be worse as one...

Hi all, A newbie engineer here and a newbie to the forum. I'm having trouble understanding the lateral-torsional buckling restrains for beams in bending. AS4100 cl. 5.4.2.1 states that a restrain is considered to be "Fully Restrained" if the restraint "effectively prevents lateral deflection...