disaster prevention of a high speed rail system – lessons learnt in a recent earthquake t.c. kao...
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Disaster Prevention of a High Speed Rail System – Lessons learnt in a recent earthquake
T.C. Kao
Vice President - Engineering (retired) Taiwan HSR Corp.ProfessorNational Taiwan University Visiting Scholar and ProfessorUniversity of Illinois atUrbana-Champaign
NNational ational TTaiwan aiwan
UUniversityniversity
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Disaster Prevention System
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How to prevent ?
• Strengthen infrastructure
• Installing protection measures
• Installing disaster warning systems
• Operation of procedures
• Training
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Disasters
• Earthquake
• Strong wind
• Heavy rainfall
• Flood
• Landslide
• Rock fall
• Avalanche
• Vehicular intrusion
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5
Design for Safety
• Appropriate loading , Speed & Specifications
• Easy to evacuate the passenger under abnormal conditions– emergency exits cases at least every 3000m
• To contain the train on viaduct in case of derailment– To provide derailment protection wall on both sides of tracks.
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Protective Systems
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Disaster Warning Systems
Wind Velocity Detector
Flood Detector
Rain Fall Detector
Land Slide Detector
Track Safety Protection Equip.
Earthquake Detector
Vehicle Fall Detection
Rock Fall Detector
SignalO3 loop
Switch Machine
Track Circuit
Disaster warning systems
Substation
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THSRC Disaster Warning Systems
• Earthquake – 51 (11 Main + 40 Sub)
• Strong Wind – 21
• Heavy Rain – 18
• Flood – 42
• Landslide – 60
• Rock Fall – 96
• Intrusion of Vehicles – 34
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Example – THSRC TRAIN OPERATION RESTRICTION RULES FOR EARTHQUAKE
HAZARDS
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Area of control/ Operation restriction area
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THSRC disaster warning system
S C H
IS C E R
Main EarthquakeSensor (mechanic)
Main EarthquakeSensor (electronic)
40 gal
Relayframe
Sub EarthquakeSensor (electronic)
SCER = Signaling and Communication Equipment Room
SCH = Signaling and Communication Hut
S C E R S C R
D W S
A na lys is
C om puter
O C C
SCR = Station Control Room
ISCER = Intermediate Signaling and Communication Equipment Room
OCC = Operation Control Centre
AT C / E I
Peak Acceleration
Universal Console
M im ic P ro jec tio n
Peak Acceleration
Universal ConsoleUniversal Console
Universal Console> 120 gal
> 80 gal
> 40 gal
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Operation Restriction Rules for Natural Hazards (THSRC-BL2000-015)
Earthquake Level Train Operation Restriction within Affected Area Emergency Patrol by Maintenance staff (Civil, Track, & OCS Staff)
Alarm
Level
Strength Stop trains immediately
Train Operation Stop
Train Speed Restriction (Note 1)
Ground Patrol to Resume Operation
1 ≧40gal< 80gal
(4.0 to 4.4 Richter)
Yes
None (Resume operation
Bas directed by OCC)
Under 70km/h
(30km/h in special cases (Note 2))
None
2 ≧80gal< 120gal
(4.5 to 4.9 Richter)
Yes Yes
Under 70km/h
(30km/h in special cases (Note 2))
Yes
Ground Patrol and inspection of specific infrastructure points in the affected area by the Civil, Track & OCS staff.
3 ≧120gal
(5.0 and above)
Yes Yes
Under 70km/h
(30km/h in special cases (Note 2))
Yes
Ground Patrol and inspection in the affected area by the Civil, Track & OCS staff.
Note 1: According to the line condition by construction, weather, etc. and regard a more serious Train Speed Restriction is needed, the Train Speed Restriction shall follow the recommendation of the Permanent Way.
Note 2: Considering the weather condition of Continuous Rainfall, temperature visibility etc.
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Document Tree for Response to Natural Hazards
Maintenance procedure to response to Earthquake
Operation Implementation Regulation
THSRC-CF2-200-001
Train Operation Restriction Rules
for Natural Hazards
THSRC-BL2000-015
Disaster Warning System
Operation Regulation to Respond to Earthquake
Maintenance Procedure to Respond to Earthquake
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Implementation of Procedures
Operation Implementation
Regulation THSRC-CF2-
200-001
Maintenance procedure to response to Earthquake
Train Controller
Train Controller
Train Controller
Power Controller
Facility Controller
Chief Controller
Passenger Service
Controller
Timetable Controller
Train Crew & Trainset Controller
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Rainfall operation controls
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2010 Kaohsiung Earthquake(March 4, 2010)
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What happen?
• The Earthquake• The impact on the train operation• The reaction of the disaster warning
system• The passenger experience
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Magnitude 6.4 Earthquakeamax 0.29 g
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Landslide in adjacent area
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Six trains affected
Train #101401403105405408
Speed (Km/hr)29816092
294296289
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How the train react?( Train # 110)
DWS trigger
ATC ground
On board
Brake applied
1.2 sec 0.67 sec
Total 1.87 sec
08 19:11
TK294.1
08 19:12.2 08 19:12.87
Bogie Instability Detector alarm
08 19:20.17 08 20:28
Train stop
TK297.1298 kph
TK296.5272 kph
TK293.8
3.3km (76 sec)
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Six trains affected
Train #101401403105405408
Speed (Km/hr)29816092
294296289
Time(sec)763519808279
Distance (km)3.3 0.80.33.53.63.4
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The passenger experience• 8:06 am boarding the north bound HST # 101• Suddenly, the train started vibrating and became
more severely.• Hitting rock, dust came up• Felt helpless• Subside & finally stop• Announcement: “ Waiting for reason of train
stop.”• Announcement: “ Due to earthquake…..”
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The passenger experience (cont’d)
• Communication with outside world• Fire broke out in nearby factory• Headcounts• About 2 hours later start disembarking• Excited to walk on a railway and take photo
with the derailed train.
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End
Any questions?