scholarly journals Geotechnical earthquake engineering in New Zealand

1996 ◽  
Vol 29 (2) ◽  
pp. 128-130
Author(s):  
K. J. McManus
Keyword(s):  
New Zealand ◽  
Earthquake Engineering ◽  
Main Body ◽  
Geotechnical Earthquake Engineering

The following information is the result of a survey carried out during December 1995 of all known researchers in New Zealand. The information is as complete as possible being based on responses received by 15 January 1996. A bibliography of relevant recent publications is given together with affiliation and address information for the active researchers. Information is arranged under the same topic headings as for the main body of the proceedings.

US-Japan workshop on geotechnical aspects of recent earthquakes

1996 ◽  
Vol 29 (2) ◽  
pp. 124-127
Author(s):  
K. J. McManus
Keyword(s):  
New Zealand ◽  
Earthquake Engineering ◽  
Lessons Learned ◽  
Future Research ◽  
Research Needs ◽  
Ongoing Research ◽  
Geotechnical Earthquake Engineering ◽  
The Us ◽  
Recent Earthquakes ◽  
Full Copy

The US-Japan Workshop on Geotechnical Aspects of Recent Earthquakes was held at the Kansai Kenshu Centre, Osaka, Japan on 22-24 January 1996. The objectives of the workshop were to summarise lessons learned from the Lorna Prieta, Northridge, and Kobe earthquakes, to identify ongoing research needs, to summarise available data, and to identify areas of possible co-operation for future research. The society was invited to send a representative from New Zealand with observer status provided that person present a report summarising current and ongoing research on geotechnical earthquake engineering within New Zealand. The author was selected to be the New Zealand observer and the summary report accompanies this article. Thirty two participants attended from the US and thirty from Japan including most of the well known, active researchers from the two countries. A complete list of participants is given in Appendix A. The draft workshop report, with contributions from many of the participants, is summarised below. A full copy of the report is held by the author.

scholarly journals Influence of Structure on the Aseismic Stability and Dynamic Responses of Liquefiable Soil

2021 ◽  
Author(s):  
Pengfei Dou ◽  
Chengshun Xu ◽  
Xiuli Du ◽  
Su Chen
Keyword(s):  
Earthquake Engineering ◽  
Damping Ratio ◽  
Free Field ◽  
Shaking Table ◽  
Dynamic Responses ◽  
Seismic Stability ◽  
Geotechnical Earthquake Engineering ◽  
Liquefiable Soil ◽  
Porewater Pressure ◽  
Lateral Displacements

Abstract In previous major earthquakes, the damage and collapse of structures located in liquefied field which caused by site failure a common occurrence, and the problem of evaluation and disscusion on site liquefaction and the seismic stability is still a key topic in geotechnical earthquake engineering. To study the influence of the presence of structure on the seismic stability of liquefiable sites, a series of shaking table tests on liquefiable free field and non-free field with the same soil sample was carried out. It can be summarized from experimental results as following. The natural frequency of non-free field is larger and the damping ratio is smaller than that of free field. For the weak seismic loading condition, the dynamic response of sites show similar rules and trend. For the strong ground motion condition, soils in both experiments all liquefied obviously and the depth of liquefaction soil in the free field is significantly greater than that in the non-free field, besides, porewater pressure in the non-free field accumulated relately slow and the dissapited quikly from analysis of porewater pressure ratios(PPRs) in both experiments. The amplitudes of lateral displacements and acceleration of soil in the non-free field is obviously smaller than that in the free field caused by the effect of presence of the structure. In a word, the presence of structures will lead to the increase of site stiffness, site more difficult to liquefy, and the seismic stability of the non-free site is higher than that of the free site due to soil-structure interaction.

scholarly journals Second Report to the Niue Assembly on the Constitutional Development of Niue

1999 ◽  
Vol 30 (2) ◽  
pp. 577
Author(s):  
R Q Quentin-Baxter
Keyword(s):  
New Zealand ◽  
Free Association ◽  
Public Consultation ◽  
Main Body ◽  
Constitutional Development ◽  
Service Commission ◽  
Niue Island ◽  
Administrative Assistance ◽  
Public Service Commission

Professor Quentin-Baxter provides suggestions to the Niue Island Assembly regarding the directions of Niue's constitutional development. The first part of the report provides the background to this report, including the need for Niue to have its own constitution while maintaining Niue's free association with New Zealand. The second part of the report discusses the contents of the proposed constitution, including requirements for public consultation, guarantees of New Zealand citizenship and economic and administrative assistance, the constitution's role as a public safeguard of certain legislative areas, and the future role of the Niue Island Assembly. The final part of the report is an addendum which includes a speech from Professor Quentin-Baxter regarding additional topics that the author did not include in the main body of the report, including calling for the establishment of a Niue Public Service Commission.  

scholarly journals N.Z National Society for Earthquake Engineering

1976 ◽  
Vol 9 (2) ◽  
pp. 132-134
Author(s):  
Editor
Keyword(s):  
New Zealand ◽  
Earthquake Engineering ◽  
Large Earthquake ◽  
National Society ◽  
Field Guide ◽  
Management Committee ◽  
Structural Engineers

In 1974 the Management Committee of the Society authorised the setting up of an earthquake reconnaissance team scheme, whereby a team of suitably experienced observers would be quickly transported to the scene of a damaging earthquake. A sub-committee under Mr. J, P. Rollings was formed and a detailed brief for the scheme was prepared and subsequently adopted by the Management Committee. Following advertisements in the Bulletin and the New Zealand Engineering, a pool of over 35 suitable observers has been formed. Most of the pool are practising civil and structural engineers though a number of specialists, including three architects, have been included. The scheme is now fully operational. At present the team
 organiser is Mr. J. P. Hcllings (Wellington) and his deputy is
Mr. N. D. Bardie (Christchurch). Mr. Rollings is also authorised, 
together with the President, to approve a reconnaissance. It is
intended that all pool members will be issued an Engineering Reconnaissance Manual containing information on the administration and aims of the scheme, the action to be taken following a damaging earthquake and a detailed engineering reconnaissance field guide. The following brief is reproduced from the manual; Section One outlines the aims and administration of the scheme and Section Two, procedures to initiate a reconnaissance. These sections together with a budget sufficient to allow reconnaissance of a large earthquake, have been approved by the Management Committee.

scholarly journals The Hyogo-Ken Nanbu earthquake (the Great Hanshin Earthquake) of 17 January 1995

1995 ◽  
Vol 28 (1) ◽  
pp. 1-98 ◽  
Author(s):  
R. Park ◽  
I. J. Billings ◽  
G. C. Clifton ◽  
J. Cousins ◽  
A. Filiatrault ◽  
...  
Keyword(s):  
New Zealand ◽  
Earthquake Engineering ◽  
National Society ◽  
Surrounding Areas ◽  
Hanshin Earthquake

This report describes the observations and preliminary assessments of the members of the Reconnaissance Team of the New Zealand National Society for Earthquake Engineering which visited Kobe, Japan and the surrounding areas following the Hyogo-ken Nanbu earthquake of 17 January 1995. The report covers aspects of the effects of the earthquake on the ground, lifelines, buildings, bridges and other structures, and the community. Lessons for New Zealand are discussed.

scholarly journals Lifelines engineering

1997 ◽  
Vol 30 (2) ◽  
pp. 194-200
Author(s):  
David R. Brunsdon
Keyword(s):  
New Zealand ◽  
Earthquake Engineering ◽  
Critical Success Factors ◽  
Success Factors ◽  
Future Developments ◽  
The Past ◽  
Critical Success

Significant developments have occurred in the field of lifelines engineering over the past decade both in New Zealand and internationally. In New Zealand, this period encompassed both the beginnings of lifelines engineering and its development into being an established discipline of earthquake engineering. This paper charts the progress of lifelines engineering during this time, outlines the key achievements and critical success factors and discusses current needs and future developments.

scholarly journals The Chi-Chi, Taiwan earthquake of 21 September 1999

2000 ◽  
Vol 33 (2) ◽  
pp. 105-167 ◽  
Author(s):  
D.R. Brunsdon ◽  
R. A. Davey ◽  
C. J. Graham ◽  
G. K. Sidwell ◽  
P. Villamor ◽  
...  
Keyword(s):  
New Zealand ◽  
Emergency Management ◽  
Earthquake Engineering ◽  
Engineering Community ◽  
Taiwan Earthquake

This report on the 21 September 1999 Taiwan earthquake describes the event and its impacts, along with the observations of the New Zealand Society for Earthquake Engineering Reconnaissance Team. The report covers the effects of the earthquake on the ground, lifelines, buildings, bridges, other structures and the community. The emergency management response is outlined, along with the response of the earthquake engineering community. Lessons for New Zealand are presented and discussed.

Engineering observations on ground motion at the Van Norman Complex after the 1994 Northridge earthquake

1996 ◽  
Vol 86 (1B) ◽  
pp. S333-S349 ◽  
Author(s):  
J. P. Bardet ◽  
C. Davis
Keyword(s):  
Ground Motion ◽  
Earthquake Engineering ◽  
Low Frequency ◽  
Strong Motion ◽  
Response Spectra ◽  
Vertical Acceleration ◽  
Northridge Earthquake ◽  
Peak Acceleration ◽  
Geotechnical Earthquake Engineering ◽  
1994 Northridge Earthquake

Abstract During the 1994 Northridge earthquake, the Van Norman Complex yielded an unprecedented number of recordings with high acceleration, in the close proximity of the fault rupture. These strong-motion recordings exhibited the pulses of the main event. One station recorded the largest velocity ever instrumentally recorded (177 cm/sec), resulting from a 0.86 g peak acceleration with a low frequency. Throughout the complex, the horizontal accelerations reached peak values ranging from 0.56 to 1.0 g, except for the complex center, where the peak acceleration did not exceed 0.43 g. The vertical acceleration reached maximum peak values comparable with those of the horizontal acceleration. The acceleration response spectra in the longitudinal and transverse directions were significantly different. Such a difference, which is not yet well documented in the field of geotechnical earthquake engineering, indicates that the amplitude and frequency content of the ground motion was directionally dependent in the Van Norman Complex.

Sign in / Sign up

Export Citation Format

Share Document