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  1. MegKCB

    Flexural cracks or punching cracks?

    @Tomfh Paper. They store documents.
  2. MegKCB

    Flexural cracks or punching cracks?

    @lexpatrie No I am not in the US. T1 refers to the top layer of reinforcement, T2 refers to the layer directly below that, in the orthogonal direction. I am doing my own research, thank you. I am not intending to base my report on the views of strangers on an internet forum, but thought it...
  3. MegKCB

    Flexural cracks or punching cracks?

    Thank you for all your comments. @HTURKAK The slab thickness is 300mm. It is a flat slab. The column spacing is 7.5m in both directions. I am waiting for the scan report but from the small bit of reinforcement which was exposed, it appears to be Y20 T1 and Y16 T2 at centres of 150-200mm...
  4. MegKCB

    Flexural cracks or punching cracks?

    Another example
  5. MegKCB

    Flexural cracks or punching cracks?

    Thank you all for your responses! I should have given more context. The slab is situated in a warehouse and is being used to store product. The tenant reported that when he loaded the slab with his product, cracking noises were heard. Windows which are situated below the slab, around the...
  6. MegKCB

    Flexural cracks or punching cracks?

    Hi All. We have been asked to write a report on a flat slab which has lots of cracks on the top surface, mainly at the column positions. I have uploaded a photo - do you agree that this is flexural cracking? This photo is taken on the top surface of the slab, at the column position. It is a...
  7. MegKCB

    Length of rafter between torsional restraints

    Hi All Please could someone help me figure out the effective length (Lz) between torsional restraints of a rafter? Is it between purlins? Or haunches? Is it different for downward and upward loading? I am beyond confused. Thanks!

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