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National Ce nter f or Re search on E arthquake Engineering,
National Applied Research Laboratories
200, Sec. 3, HsinHai Rd., Taipei 106, Taiwan (R.O.C.)
http://w3r2.ncree.narl.org.tw/

OutlineThrough a joint effort of the Ministry of Science and Technology (MOST) and the National Taiwan
University ( NTU), t he N ational C enter for R esearch on E arthquake E ngineering ( NCREE) w as
officially es tablished i n 1 990. I n o rder t o en hance t he e fficiency and pe rformance o f the na tional
research l aboratories which bel ong t o MOST, the N ational A pplied R esearch Labo ratories(NARLabs) w as es tablished i n J une, 200 3. Since t hen, N CREE h as bec ome a non -profit
organization and is one of the ten laboratory members of NARLabs.
The NCREE has a faculty of about 110 divided into ten divisions including: Administration Division,
Planning & D issemination D ivision, Experimental T echnology D ivision, Information M anagementDivision, Geotechnical & S trong Ground M otion D ivision, Building E ngineering D ivision, Bridge
Engineering Div ision, Structural Co ntrol Div ision, Earthquake D isaster Simulation D ivision, andBranch Laboratory in Southern Taiwan.
The core technologies of NCREE:
 Seismic Testing and Numerical Simulation Technologies.
 Seismic Resistant Design, Evaluation and Retrofit Technologies.
 Earthquake Loss Estimation Technologies.
The mission of NCREE:
 Pre-quake preparation, emergency response and post-quake recovery.
 Integrate research capacities of various earthquake engineering research institutes in Taiwan
to enhance the research capability of the nation.
 Promote international research cooperation for earthquake hazard mitigation.

3D earthquake simulator(5mx5m)L-shape reaction wall andstrong floor

Multi-Axial Testing System(MATS )Please fill in the brackets of this document after deleting the existing descriptions.
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Research Achievements and Challenges

The major Research and Contributions of NCREE are:
 Development of seismic design, evaluation and retrofit technologies
 Development of innovative seismic technologies and systems
 Development and application of earthquake loss estimation technologies
 Advancement of experimental and numerical simulation technologies
 Development of geotechnical and strong ground motion research Dissemination of earthquake engineering knowledge to enhance earthquake awarenessMany s eismic des ign and r etrofit c odes hav e been
proposed in the past years, and the scope includes
building s tructures, h ighway br idges, r ailway br idges,
seismic i solation and ene rgy di ssipation design,qualification f or seismic isolation and ener gy di ssipation
devices. These c odes ar e us ed t o guarantee theminimum r equirement o f seismic safety of structures,
hence reduce seismic loss in Taiwan. Moreover, NCREE
has al so devoted to pe rform s eismic evaluation andretrofit of school buildings in Taiwan. A c omprehensive In-situ pushover test to v erify t hestrategy was proposed. A series of methods f or simple proposed technology f or s eismic
survey, pr eliminary ev aluation, det ailed ev aluation and evaluation a nd r etrofit o f s chool
retrofit design for school buildings have been well buildings
developed. Based on the well-prepared t echnology anddocument, t he m inistry o f education has allocated US$ 587 million f or s eismic up grading ofelementary and secondary school buildings in four years, from 2009 to 2011.
NCREE hav e al so dev eloped m any i nnovative s eismic
technologies and s ystems. A mong them, t he Buckling
Restrained B race (BRB) has been w idely appl ied t o t heindustry. More than 10000 pieces o f D ouble-Core B RBs
have been used in seismic retrofit and new construction
projects in T aiwan. A M ulti-Function R olling-Type
Isolation System with r educed and constant acceleration
responses, ex cellent energy di ssipation an d s elfcentering capabilities has been applied as a seismic
protection f or high-precision e quipment i n h igh-techfactories, t elecommunication industries, and v aluable
The Buckling Restrained Brace applied
antiques, a rts and ex hibits i n m useums. The t echnology
to Taichung City Government Buildingof p recast segmental post-tensioned c oncrete br idgecolumns which can r educe environmental i mpact and traffic di sruption has al so been appl ied t oTaichung Area Expressway No. 4. A comprehensive full-bridge fiber optic monitoring system areapplying to various transportation systems with verdict bridges, such as the high-speed railway, thehighways, the Metro, the railways.
The Taiwan E arthquake Los s E stimation S ystem (TELES)
developed b y N CREE c an estimate complete seismic loss
automatically within s hort time a fter receiving e -mail f rom theCentral Weather Bureau, and the send messages to emergency
response per sonnel o f Central E mergency O peration C enter toassist i n c asualty and l oss c ontrol. The TELES can provide
informative es timates (damages, i njuries, c asualties, r escue &medical-caring demands, etc.) for disaster reduction plans. It
has also been applied to Taiwan Residential Earthquake
casualty
Insurance Fund for i mproving r esidential ea rthquake i nsurance TypicalresultsofTELES
scheme in T aiwan, as w ell a s applied to the pr ioritization o festimation

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seismic retrofit scheme of highway bridges.

A On-site E arthquake Early Warning S ystem (EEWS) has bee ndeveloped by NC REE. The On-site EEWS extracts some P -wave
features from the first few seconds of vertical ground acceleration ofa single s tation to pr edict t he c oming s eismic i ntensity o f t heearthquake. Therefore, the system can provide more lead-time at theregion c lose t o an epi center s ince onl y the s eismic i nformation on
the target site is required. The system has been verified as reliable
and e fficient for s eismic em ergency r esponse, especially w ith t hesupport o f aut omatic c ontrol dev ices and s ystems. This t echnology
has al so been applied t o some s chools, train s tations, and Taiwan
SECOM building in Taiwan, and is going to be implemented to about Typical le ad-time of O n-site
3,000 elementary and junior high schools in Taiwan, and al so some EEWS o f t he C hi-chibuildings in the high-tech science park.
earthquake
Since 2001, N CREE host t he Introducing and Demonstrating
Earthquake Engineering Research in Schools (IDEERS) every year.
This international educational pr ogram i s des igned for hi gh s chool,
undergraduate and graduate students. Approximately 500
participants from Taiwan and ot her c ountries join t he pr ogram e achyear. Besides, t he International T raining Program ( ITP) f or Seismic
Design of Structures has been host by NCREE annually since 2002. Shaking table competition ofApproximately 28 percipients from 13 c ountries attend the I TP eac h IDEERS
year. These p rograms di stribute t he dev eloped s eismic di saster p revention t echnology an dknowledge to both engineering and students from the countries under seismic threat, and hence
help reduce seismic loss.
The major research c hallenges f or the f uture are how t o i mprove t he resilience of t he w holecommunity to ensure a sustainable country. In recent decades, the NCREE mainly focus on how to
improve the seismic capacity in a r easonable and economic way f or existing and new structures,and most o f them ar e buildings and br idges i ndividually. R ecent y ears, the N CREE s tarted t ospend more efforts on the research relating to critical facilities such as hospital and nuclear power
plants, as well as lifeline systems such as water system, electric system, and traffic system. TheNCREE aims to provide a total solution for seismic disaster prevention of the whole community inthe f uture. For this pur pose, t he N CREE need s to cooperate w ith ot her research dom ains toenhance the ability to counter more complex and challenging research topics.
Moreover, due t o the structures c ould be da maged not onl y by ear thquakes bu t al so by t heinteraction of scouring. For example, bridges with scoured foundation is expected to collapse due
to loss o f strength o f the s tructure member or bearing c apacity o f soil w hen subjected t o large
seismic excitations. Therefore, research topics dealing with multiple disasters are also considered
as a challenging issue by the NCREE.
The high density of both seismic faults and human activities in Taiwan is a problem to be solved,and this probable is also quite unique in the whole world. More than 8 million people living within
10 km distance from the active faults in Taiwan are suffering the threat of near-fault earthquakes.
Due to the large displacement and velocity of near-fault earthquakes, the existing shaking table ofNCREE cannot simulate the earthquake properly. The research for technology to cope with nearfault earthquakes is also a challenging in the future for NCREE.

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The roadmap of seismic disaster research in NCREE consists of four parts: (1) structural seismic
defense technology; (2) earthquake loss estimation technology; (3) safety monitoring and al arms;and (4) fundamental experimental facilities, as shown in the figure below. The main goals of thestructural s eismic de fense technology i s to dev elop t he N ew R C bui lding t echnology for Taiwan
structures, the precast modular bridge technology, and seismic evaluation and retrofit of street
buildings i n Taiwan. The ear thquake l oss es timation t echnology w ill dev elop Taiwan Los sEstimation System for highway s ystems, water systems, and critical facilities. I n case of safety
monitoring and alarms, Earthquake Early Warning Systems for school network and factories will be
developed. T he di saster management s ystem and m ulti-hazard s afety s ystem w ill al so beconstructed for bridges. Fundamental experimental facilities will be c onstructed and the efficiencyof l aboratories w ill be i mproved i n or der to support t he r esearch topics on the abov e-mentioned
roadmap.

Roadmap of NCREE

In o rder t o dev elop nec essary t echnologies to w ithstand near -fault earthquakes, the NCREE
started at 2014 to c onstruct a high-speed l ong-stroke s haking t able system in a new l aboratory
located at the campus of National Chen-Kung University in Tainan. The specification of the shaking
table system is summarized in the table below. The horizontal one-side maximum displacement of
the shaking table is almost 2 meter if the shaking table move to the other side in the beginning of atest, with a maximum v elocity 2 meter per second and a maximum pa yload 100 ton. The new
shaking table system and the new laboratory will start to operate in 2016. Special conferences todemonstrate the c apability o f t he new s haking table s ystem and to c ooperate w ith i nternational
specialists about the research on novel near-fault seismic technologies will be host by NCREE.

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High-speed long-stroke
shaking table system

反力牆系統雙軸耐震測試系統Bi-axial
test system

Appearance of the new shaking table system and the new laboratory

Specification of the new shaking table system

Item
High-speed
long-stroke
shaking tablesystem

Size(m)8x8Specification
Max.
Max.
Max.
Displacement
Acceleration
Velocity(mm)(mm/sec)(g)

H±1000
V±400

H±2000V±1000

H±1.2
V±0.8

Max.
Payload(ton)100

In accordance with the national need for pre-earthquake preparedness, emergency response, andpost-earthquake recovery, NCREE brings together academic resources and researchers to carryout joint projects to upgrade seismic technologies and to reduce life and property losses resulting
from earthquakes. N CREE al so enc ourages i nternational c ollaborations i n s elected fields,
especially t he near -fault t opic, to i nitiate consolidation and i nnovation i n ac ademic research an dengineering practice; thus promoting Taiwan’s academic reputation in the related fields all over theworld.