# For A31 (BYS)> = 7 condition is not met.

The Complete Message:

Building Height Class (BYS)> = 7 condition for A31 structural system type is not met in (X / Y) direction.

In TBDY 2018 Table 4.1, Building Height Class (BYS)> = 7 limit has been introduced for the A31 structural system. Since the building carrier system A31 is selected and the BYS> = 7 condition is not met, the program gives a warning.

### Table 3.3 - Building Height Classes and Building Height Ranges Defined According to Earthquake Design Classes:

 Building Height Class Building Height Ranges Defined According to Building Height Classes and Earthquake Design Classes [m] DTS = 1, 1a, 2, 2a DTS = 3, 3a DTS = 4, 4a BYS = 1 HN > 70 HN > 91 HN >105 BYS = 2 56

### Solution:

• If Building (BYS) = 6 , it can be used for carrier system types A11, A12, A13, A14, A15, A16, A21, A22, A23, A24, A32, A33 . The selection of the carrier system type can be changed with the Analysis Settings / TBDY 2018 Earthquake Code wizard by changing the appropriate carrier system, ductility level and, if necessary, slab type.

• If Building (BYS) = 5 , it can be used for carrier system types A11, A12, A13, A14, A15, A16, A21, A22 . The selection of the carrier system type can be changed with the Analysis Settings / TBDY 2018 Earthquake Code wizard by changing the appropriate carrier system, ductility level and, if necessary, slab type.

• If Building (BYS) = 4 , it can be used for carrier system types A11, A12, A13, A14, A15, A16, A21, A22. The selection of the carrier system type can be changed with the Analysis Settings / TBDY 2018 Earthquake Code wizard by going to the appropriate carrier system and slab type changes if necessary.

• If Building (BYS) = 3 , it can be used for carrier system types A11, A12, A13, A14, A15. The selection of the carrier system type can be changed with the Analysis Settings / TBDY 2018 Earthquake Code wizard by going to the appropriate carrier system and slab type changes if necessary.

• If Building (BYS) = 2 , it can be used for carrier system types A12, A13, A14, A15 . The selection of the carrier system type can be changed with the Analysis Settings / TBDY 2018 Earthquake Code wizard by going to the appropriate carrier system and slab type changes if necessary.

• If the building BYS = 1 , the buildings specified in the article 3.3.2.2 of TBDY 2018 will be classified as high-rise buildings according to Section 13, according to the condition , the building should be designed according to the principles given in Section 13 of TBDY.

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