Date Page

24.12.14

Checked Approved

IMT KGN

12.0 Load Combination

Load Combination for Limit state shall be as per annex B of IRC 6-2010 . The following

Limit states are considered below.

i) Ultimate limit state - ULS

ii) Serviceability limit state -SLS

12.1 ULS Load Combinations

Ultimate limit state load combination shall be calculated as per table 3.2 of IRC 6-2014

Sl.No DL SIDL WC LL PS

1 1.35 1.35 1.75 1.5 1

DL - Dead load WC - Pavement layer

SIDL - Super imposed DL LL - Live load TL - Temperature load

PS - Prestressing Load

12.2 SLS Load Combinations

Serviceability limit state load combination shall be calculated as per table 3.3 of IRC 6-2014

Load combination and load factors

Sl.No DL SIDL WC TL LL PS

1 1.0 1.0 1.0 0.6 1.0 0.9

2 1.0 1.0 1.0 1.0 0.75 0.9

3 Frequent 1.0 1.0 1.0 0.5 0.75 0.9

4 1.0 1.0 1.0 0.5 0 0.9

Rare - 2 (Temp

leading)

Quasi permanent

Project: Four Laning of Sambalpur- Rourkela SH 10Doc No

DC0042

C1132722 Design of PSC I Girder(36.08m span)Designed

DRT

L&T INFRASTRUCTURE ENGINEERING LIMITED

Combination

(live load leading)

Combination

Rare - 1 (LL

leading)