Chapter 1 Introduction What is ... √Structure √Structural analysis 同榜大学 土亦工程学院 人 Dinosaur(恐龙) Oak tree(橡树) spider web Roof structure Suspension bridge(悬索桥)TV tower 同傍大学 土亦工程学院
What is structure? Function Type √Skeleton(骨架) √Natural √Load carrying(承载) √Engineering √Stability(稳定) 同僑大学 土亦2程学院 TONGII UNIVERSIT Structural analysis Real Assumption Structural Calculation Structural structure (假定) model response (结构模型) (结构响应) 同傍大学 土亦工程学院 TONGII UNIVERSITY
Structural modeling Structural Load Connection element (action) 8 444 simplification Support 同停大学 目士本江程学院 TONGII UNIVERSITY Assumption on structural behavior 2D 3D 150 同海大学 6 TONGII UNIVERSITY 一/ZOF CIVIL ENGINEERIN布
Assumption on structural element 1D 2D 3D Assumption on connection and support Truss(桁架) Frame(框架) Arch rib Column e 同海大学 土本2程学院 8 TONGJI UNIVE家sTT COLLEGE OF CIVIL ENGINEERUING
Assumption on loading conditions Concentrated load Line load Surface load (集中荷载) (线荷载) (面荷载) 同海大学 土本2程学院 9 Assumption on structural material Ultimate stress 400 Compre Yield stress Rupture 300 90 200 100 0 0.01 0.15 0.25 0.35 0.0010.0020.0030.004 Strain,in./in. Strain,in./in. steel concrete Linear elastic Linear elastic range(线弹性范围) 间傍大学引目 assumption 亦2程学院 10 TONGI UNIVERSITY