Earthquake Emergency Intervention System

Earthquake Emergency Response Systems

To minimize post-earthquake risks, technologies such as automatic shutdown systems and valves that cut off gas and liquid flow should be integrated into facilities as part of an Earthquake Emergency Response System (EERS). These systems activate automatically to prevent secondary disasters, such as fires, gas leaks, and hazardous material spills, while ensuring control of critical systems to enhance safety. EERS continuously monitors seismic activity through sensors embedded in the structure and triggers predefined scenarios when specified acceleration thresholds are exceeded. These scenarios include shutting down critical equipment, halting hazardous material transmission, and initiating emergency announcements.
 
Widely used in industrial areas like petrochemical plants, refineries, and production facilities, EERS controls hazardous materials and protects equipment. High-rise buildings benefit from these systems for managing elevator operations and evacuation processes, while healthcare facilities rely on them to protect medical devices and activate emergency protocols. In power generation facilities, EERS safely halts energy flow to reduce fire risks. For example, systems powered by electricity can spark fires during earthquakes, but EERS can automatically shut down main power lines to mitigate this risk.
 
By executing predefined scenarios and announcements, EERS helps control panic, particularly in high-rise buildings. Sensitive machinery and equipment prone to earthquake damage can be placed in a safe mode to prevent prolonged operational disruptions. Elevators are stopped at the nearest floor to facilitate safe evacuation, preventing injuries and saving time. Overall, EERS plays a critical role in maintaining business continuity, safeguarding infrastructure, and preventing secondary disasters after an earthquake, thereby minimizing loss of life and property.

Control human panic and prevent possible dangers after an earthquake with the Real-Time Earthquake Emergency Intervention System.

Events such as human panic, fires caused by electrical or hazardous substances leakage and sensitive machinery-equipment failure that may occur during or immediately after an earthquake are defined as secondary disasters. Such disasters can lead to loss of life and prevent the post-earthquake sustainability of the building or facility.

How to Prevent Post-Earthquake Secondary Disasters

During an earthquake, when critical trigger (acceleration) levels are exceeded based on previously decided earthquake level scenarios, our system can intervene by taking the following actions to prevent the post-earthquake secondary disasters;

  • Control human panic with previously recorded announcements
  • Shut down transmission lines containing hazardous materials
  • Automatically stop critical machinery-equipment

Earthquake Test Simulation

This is the system to generate earthquake motion by combination of ultra small electro-dynamic horizontal vibration table (PET-03H) and power amplifier with built-in oscillator (PET-0A).

Control of Emergency Shutdown

The panic caused by earthquakes in highly populated environments can reach damaging levels. In tall buildings, human panic should be taken under control and initiate evacuation by automatic activation of the existing announcement equipment.

Electrical energy can easily cause fires for various reasons due to earthquakes. Main power lines can be
automatically shut down when the predetermined threshold level is exceeded, based on seismicity of the region, age, and sensitivity of facility.

In industrial facilities, dangerous fluids in transmission pipes may leak due to earthquakes and cause fires. The
transmission of dangerous fluids can be automatically interrupted at the time of a critical earthquake.

Sensitive machinery and equipment can be damaged by earthquakes and therefore there may be long-term business interruptions. Thanks to our system, critical equipment can be switched to a sleeping position in the
event of an earthquake, at the recommended earthquake acceleration level.

Differences Between EERS and SHMS

Both basic systems are used together to ensure business continuity after an earthquake and minimize loss of life. While earthquake emergency response systems (EERS) and structural health monitoring systems (SHMS) are both aimed at earthquake preparedness, they differ in terms of their functions, application areas, and benefits.

EERS is designed to prevent secondary disasters that may occur during and after an earthquake. The system is automatically activated when specified acceleration levels are exceeded and applies predefined scenarios. It is used in critical structures such as industrial facilities, high-rise buildings, hospitals, and power plants.

Preventing secondary disasters: Minimizes risks such as fires and gas leaks.
Reducing human panic: Controls panic through automatic announcement systems.
Protecting critical equipment: Prevents damage to sensitive devices.
Rapid intervention and evacuation: Effectively manages elevator control and evacuation processes.

Structural Health Monitoring Systems (SHMS) are designed to monitor the performance of structures before, during, and after an earthquake. The dynamic properties of the structure are continuously monitored through sensors, and possible damages are detected. SHMS is applied to various structures such as bridges, tunnels, dams, historical buildings, and high-rise buildings.

Damage detection and maintenance planning: Provides information about the current status of the structure and optimizes maintenance processes.
Determining safety levels: Supports rapid decision-making about the structure’s usability after an earthquake.
Extending structure lifespan: Continuously monitors performance and facilitates timely interventions.

Timing differences:
EERS is activated during and immediately after the earthquake.
SHMS works continuously before, during, and after the earthquake.

Purpose differences:
EERS aims to prevent secondary disasters and provide emergency intervention.
SHMS focuses on monitoring the structure’s performance and detecting damage.

Conclusion:
EERS and SHMS are complementary systems for ensuring business continuity and safety after an earthquake. EERS focuses on emergency response and preventing secondary disasters, while SHMS ensures long-term security by monitoring the structure’s health. The integration of both systems offers more comprehensive protection against earthquake risks.

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