<
From version < 7.1 >
edited by Fredrik Lagerström
on 2021/02/24 08:48
To version < 8.1 >
edited by Fredrik Lagerström
on 2021/09/06 09:22
>
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1 -PRE-Stress 6.7.015
1 +PRE-Stress 6.7.024
Content
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26 26  
27 27  The definition of density is [kN/m^^3^^] instead of [kg/m^^3^^] and is given as the plain density i.e. in dry state and without reinforcement. Adjustments due to casting state and/or reinforcement are taken care of automatically in the program in accordance with EN 1991 annex A
28 28  
29 +* Plain concrete has a base value of 24 kN/m^^3^^
30 +* If the element has reinforcement 1 kN/m^^3^^ is added to the base value
31 +* If the concrete is wet 1 kN/m^^3^^ is added to the base value
29 29  
33 +I.e. Wet concrete with reinforcement has a density of 24 kN/m^^3^^ + 1 kN/m^^3^^ + 1 kN/m^^3^^ = 26 kN/m^^3^^
34 +
30 30  If the //Low strength variation// option is selected together with one or both of the two other options described above, the partial factor for concrete will change according to EN 1992-1-1 Annex A A2.1 and A2.2.
31 31  
32 -
33 -
34 34  For topping, the options are **none**, **wet **and **cast**. "None" represent a point in time before casting has commenced; at the point of this load combination, the topping has not yet been applied. Selecting "wet" for a load combination means that this is the point where the topping is applied (and thus, still wet). At that point, the topping provides no structural strength, while it still applies load. On selecting "wet" for a given load combination, program will automatically set the following load combinations as being "cast", denoting a dry, solidified topping.
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PRE-Stress Documentation