ETABS Load Combinations

ETABS ETABS Load combinations Load Combination s for Service Limit State State Design: Design:

S1

1.0D

S2

1.0D + 1.0L

S3 S4

1.0D + 1.0W X 1.0D + 1.0W Y

S5 S6

1.0D + 1.0L + 1.0W X 1.0D + 1.0L + 1.0W Y

S7 S8

1.0D + 0.714E X 1.0D + 0.714E Y

S9 S9

0.9D +/- 0.714E X 0.9D +/- 0.714E Y

S10 S10

1.0D + 0.75L + 0.714E X 1.0D + 0.75L + 0.714E Y

Load Combination s for Ultim ate Limit State State Design: Design:

U1

1.4D

U2

1.0D + 1.6L

U3

1.4D + 1.6L

U4 U5

1.0D + 1.4W X 1.0D + 1.4W Y

U6 U7

1.4D + 1.4W X 1.4D + 1.4W Y

U8 U9

1.2D + 1.2L + 1.2W X 1.2D + 1.2L + 1.2W Y

U10 U11

1.2D + 1.0E X + f 1L 1.2D + 1.0E Y + f 1L

U12 U13

0.9D +/- 1.0E X 0.9D +/- 1.0E Y

D L W E T

Dead Load (includes self weight and all super-imposed dead loads) Live Load Wind Load Seismic Load Temperature Load

Where f 1 is 1.0 for live loads in excess of 4.9kN/m2 and 0.5 for all other live loads. Temperature load has been considered in the design for Ultimate Limit State. In accordance with UBC97 T has been added to each of the Ultimate Limit State load combinations with a load factor 1.2.