Thankyou for the responses and apologies for not responding sooner. Some of the assumptions that people have queried, ie fixed at base, soil pressure uniform function of depth - are those stated in the software (for clarity this is the RCC spreadsheet for the design of Basement walls (RCC61)...
I have a query on the calculation of lateral earth load on a propped retaining wall where the soil height is above the prop. This arises because I suspect that some software I am reviewing gets the calculation wrong but as I’m only a humble computer scientist I thought I’d check that it is not...
I passed on the comment by herewegothen in reference to Foundation Pads which drew the response below from the spreadsheet authors. If anyone has a further view on whether an error exists then perhaps they can pass it on to ConcreteCentre.com
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Thank you for relating the comment...
PS - Further to my previous post if you do use RCC14 for checks you will get minor variation in the crackwidth figure returned and those from a corrected RCC61/62 because the spreadsheets use two different numerical estimates for the modulus of elasticity of concrete (Ec) based on the Fcu value...
For information - for those wishing to perform checks the calculations in the RCC14 Crackwidth spreadsheet are correct (in my inexpert view) so you can most easily check figures by plugging the design specification into this spreadsheet.
Charles
This is probably only of interest to UK members.
I recently had call the check the crackwidth calculations for the design of a basement wall that an engineer had provided me using the RCC spreadsheets available from the Concrete Centre. On doing so I discovered that the spreadsheets RCC61...
