2016/4/6 6.5 use of influence lines ·Concentrated loads(集中荷载) ·Uniformly distributed loads(均布荷载) dp pdx Structure and loading 王上上11 A dFg=p dx [I.L.FR(x)] F-pF()ds 1.L.Fglx) L.L.FR 遍以阿五子 国二今柱年 15 30 kips w=0.8 kip/ft D variable 6 10 10 6 6.5 Example 1 (a) Mc (kip-ft) 30 kips w=0.8 kip/ft (c 30 kips w =0.8 kip/ft w=0.8 kip/ft 口 @月冷 62016/4/6 6 11 6.5 use of influence lines • Concentrated loads（集中荷载） • Uniformly distributed loads（均布荷载） 12 6.5 Example 1