The Complete Message:

For A22 structural system type, Building Height Class (BYS)> = 4 condition is not met in (X / Y) direction.


In TBDY 2018 Table 4.1, Building Height Class (BYS)> = 4 limit is set for A22 structural system. The program gives a warning because the building carrier system A22 is selected and the BYS> = 4 condition is not met.

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 <HN ≤ 70

70 <HN ≤ 91

91<HN ≤105

BYS = 3

42 <HN ≤ 56

56 <HN ≤ 70

56 <HN ≤ 91

BYS = 4

28 <HN ≤ 42

42 <HN ≤ 56

BYS = 5

17.5 <HN ≤ 28

28 <HN ≤ 42

BYS = 6

10.5 <HN ≤17.5

17.5 <HN ≤ 28

BYS = 7

7 <HN ≤10.5

10.5 <HN ≤17.5

BYS = 8

H N ≤ 7

H N ≤10.5

Solution:

  • 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 changing the appropriate carrier system, ductility level.

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

  • 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.