Sliding Base Structures : : Analysis and Design.

• Author: Hu, Hong-Song.
• Place / Publishing House: Singapore : : Springer,, 2023.; ©2023.
• Year of Publication: 2023
• Edition: 1st ed.
• Language: English
• Physical Description: 1 online resource (110 pages)

Table of Contents

Intro -- Preface -- Contents -- 1 Introduction -- 1.1 Fundamentals of Sliding Base (SB) Structures -- 1.2 Practical Implementations of SB Structures -- 1.3 Review of Analytical Studies on SB Structures -- 1.3.1 Studies on 2DOF SB Systems Subjected to Harmonic Ground Motions -- 1.3.2 Studies on SB Structures Under Earthquake Excitation -- 2 Responses of 2DOF Sliding Base Systems Under Harmonic Ground Motions -- 2.1 Equations of Motion -- 2.2 Typical Response Histories -- 2.3 Occurrence Conditions of the Three Types of Periodic Responses -- 2.3.1 Boundaries Between the Stick-Stick and Stick-Sliding Cases -- 2.3.2 Boundaries Between the Stick-Sliding and Sliding-Sliding Cases -- 2.4 Parametric Study for the Maximum Responses -- 2.4.1 Maximum Pseudo Acceleration of the Top Mass -- 2.4.2 Amplitude of the Sliding Displacement -- 2.5 Theoretical Solutions for the Responses of the Sliding-Sliding Case -- 2.5.1 Solutions for the Maximum Pseudo Acceleration -- 2.5.2 Interpretation of the Solutions for the Maximum Pseudo Acceleration -- 2.5.3 Solutions for the Sliding Displacement Amplitude -- 2.6 Conclusions -- 3 Response Histories of Sliding Base Structures Under Earthquake Excitation -- 3.1 Equations of Motion -- 3.2 Numerical Computation Methods -- 3.3 Response Histories Under Earthquake Excitation -- 4 Peak Superstructure Responses of Single-Story Sliding Base Structures Under Earthquake Excitation -- 4.1 Critical Parameters and Their Ranges -- 4.2 Earthquake Ground Motions Considered -- 4.3 Normalized Ground Motion Intensity for the Initiation of Sliding -- 4.4 Parametric Study for the Maximum Superstructure Response -- 4.4.1 Comparison of the Response in Two Orthogonal Directions -- 4.4.2 Effect of the Vertical Earthquake Component -- 4.4.3 Effect of the Natural Period of the Superstructure.

4.4.4 Effect of the Difference Between the Static and Dynamic Friction Coefficients -- 4.4.5 Effects of the Earthquake Magnitude and Source-to-Site Distance -- 4.4.6 Effect of Near-Fault Pulses -- 4.4.7 Statistical Results for Each Site Class -- 4.5 Simplified Equations for Estimating the Maximum Superstructure Response -- 4.6 Conclusions -- 5 Equivalent Lateral Forces for Design of Multistory Sliding Base Structures -- 5.1 Model Descriptions -- 5.2 Peak Base Shear -- 5.3 Equivalent Lateral Force Distribution -- 5.3.1 Parametric Study -- 5.3.2 Simplified Equations -- 5.4 Conclusions -- 6 Peak Sliding Displacements of Sliding Base Structures Under Earthquake Excitation -- 6.1 Selection of Ground Motion Intensity Measure -- 6.2 Critical Parameters and Their Ranges -- 6.3 Parametric Study for the Normalized Peak Sliding Displacements -- 6.3.1 Comparison of the Responses in the Two Orthogonal Directions -- 6.3.2 Probability Distribution of the Normalized PSD at a Given Level of Normalized Ground Motion Intensity -- 6.3.3 Effect of the Vertical Ground Motion Component -- 6.3.4 Effects of the Superstructure Natural Period and Mass Ratio -- 6.3.5 Effect of Near-Fault Pulses -- 6.4 Fragility Curves -- 6.5 Conclusions -- References.