Abstract

The workshop was held in Tokyo immediately prior to 9th World Conference on Earthquake Engineering. Two previous workshops have been held in 1984 and 1986 both with an emphasis on seismic building design and construction practices. New Zealand and China were invited to participate in the 3rd Workshop which was attended by 17 U.S. and 23 Japanese representatives. I was privileged to attend the third workshop which was organised by the Japan Structural Consultants Association. 21 papers were presented covering building seismic analysis and design, and comparison of design codes and practices. The conference concluded with a working session which allowed a useful exchange of information. In the notes below I have summarized several items of particular interest to New Zealand practitioners.

Highlights

  • The workshop was held in Tokyo immediately prior to 9th World Conference on Earthquake Engineering

  • A comparison of U.S and Japanese Codes and the application of these to typical buildings was discussed in several papers

  • Several of the U.S workshop participants noted the American Concrete Institute (ACI) view [4] that "the New Zealand approach is based on the performance of statically determinate beam-column sub-assemblies at very large deformation reversals which would correspond to excessive drift values in frame structures." In the U.S, ACI 318-89 is to be issued shortly and is expected to include a number of relaxations over ACI 318-83

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Summary

INTRODUCTION

The workshop was held in Tokyo immediately prior to 9th World Conference on Earthquake Engineering. Two previous workshops have been held in 1984 and 1986 both with an emphasis on seismic building design and construction practices. New Zealand and China were invited to participate in the 3rd Workshop which was attended by 17 U.S and 23 Japanese representatives. I was privileged to attend the third workshop which was organised by the Japan Structural Consultants Association. 21 papers were presented covering building seismic analysis and design, and comparison of design codes and practices. The conference concluded with a working session which allowed a useful exchange of information. In the notes below I have summarized several items of particular interest to New Zealand practitioners

Seismic Force Levels and Drift Limitations
Analysis of Multistorey Buildings
BASE ISOLATION AND ENERGY DISSIPATION TECHNIQUES
Findings
CONCLUSION

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