Earthquake Resistant Design of Structures NPTEL（NPTEL抗震设计的结构）.pdfVIP

Module 16 Earthquake Resistant Design of Structures Version 2 CE IIT, Kharagpur Lesson 39 Seismic Effects, Material Behaviour and General Principles of Earthquake Resistant Design of Structures Version 2 CE IIT, Kharagpur Instructional Objectives: At the end of this lesson, the student should be able to: • state the direct and indirect seismic effects, • explain the behaviour of plain concrete, steel and reinforced concrete with high intensity repeated axial cyclic loads, • define common terminologies needed for earthquake engineering, • name different standards of BIS regarding the earthquake resistant design of structures, • state the assumptions of earthquake resistant design of structures, • determine the horizontal seismic coefficient, design seismic base shear and distribution of design force, • state the steps of static elastic design of such structures, • mention the objectives of earthquake resistant design of structures, • explain the need for ductility and ductile detailing of reinforcement in the earthquake resistant design of structures. 16.39.1 Introduction Earthquakes, Tsunamis, Seiches, Landslides, Floods and Fires are natural calamities causing severe damage and sufferings to persons by collapsing the structures, cutting off transport systems, killing or trapping persons, animals etc. Such natural disasters are challenges to the progress of developme