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The load is taken as acting at the top free end of the column. The deflections in the column are higher than height/500 (limit as per australian standards). The deflection due to lateral load F2 can be normalized by providing a strut between columns. But lateral load F1 is critical. My question...

Hi all, I am to design 2 columns to resist the lateral forces during operation of a passenger lift in a two storey building. Columns marked in red in image attached. Those are 200x5 SHS and has a height of 6m with the intermediate floor at 3m height. With these loads (F1 and F2 are lateral...

Hi, Can we support a 85kg electric board using 6 bolts(~15kg/bolt) and a backing plate on a 75mm thick EPS insulation panel?

Hi all, Can an opening be provided on a precast panel as marked in red in picture below. I saw a detail with a 200 PFC chemseted into the panel. Would that help? will providing angle sections as lintel beams on top and bottom and on the sides as column on both sides of the panel opening be...

Thank you for all the replies. @Littleinch The client said they don't have any drawings. But, will do inspect whether stair is dowelled into wall. @BAretired Thank you for your time and effort, will change design accordingly.

@BAretired was instructed by client like that, will have a word with them. Could you please explain the methodology for the short beam method?

Hi all, Thank you for your time to reply and for information's. The contractor has informed that they will be taking out the equipment below stair and can allow for free fall on to bins or form boards. @milkshakelake I couldn't find telescopic support braces for 4.3m spans in Australia(is it...

Hi all, Thank you all for the replies. They all were a lot of help in understanding the process. I still have some doubts. @Enable "You would also never place formwork intended for placement directly below the surface to be jackhammered as the hammering will destroy the form. You'd put it on...

I have a concrete stair of span (2450mm+4200mm)=6650mm in plan and over a height of of 4300mm to demolish. I have an intermediate support at 2450 from bottom end of stair. It is in a confined space. The stair top has been close out previously with a slab. The contractor said they would be using...

Is it required to assess a frost fan of height 10m as per Appendix E of AS 1170.2 (Accelerations and rotational velocities for wind sensitive structures)? If yes, do anyone have any reference documents they could share.