The thesis firstly studies the reaction rules of isocyanate with alcohol in room temperature in which some factors are discussed such as the concentration of alcohol and isocyanate, the mole ratio, acid, alkali, solvent, temperature.

Method used to calculate the seismic response of structure based on the accurate intergration method;

Frequency-domain analysis of horizontal seismic response of shear-wall structures;

Analyses of nonlinear models for the seismic responses of RC frames;

Spreadsheet Tool for numeric calculation of earthquake response Using Excel;

The effect of transition floor on earthquake response of structure;

Numerical analysis of earthquake response of cylindrical liquid storage tanks;

Analysis of Dynamic Characteristics and Seismic Responses for High Pier-long Span Continual Rigid Frame Bridge;

Study on dynamic properties and seismic responses of super high rise multitube megacolumn frame systems;

Analysis of the seismic responses control of structure with spacious first story by Hydraulic Damper System(HDS) in frequency domain;