Overall structural seismic damage rapid assessment method based on period and displacement response characteristics

Area of Science:

• Structural Engineering
• Earthquake Engineering
• Civil Engineering

Background:

• Accurate seismic damage assessment is crucial for building safety.
• Existing methods may not fully account for period variations during seismic events.

Purpose of the Study:

• To develop a rapid seismic damage evaluation method for building structures.
• To establish a seismic damage assessment standard considering period variation.
• To verify the proposed method using a seismic damage example.

Main Methods:

• Derivation of a fundamental period calculation formula for reinforced concrete frame structures under horizontal seismic action.
• Establishment of a seismic damage assessment standard incorporating period variation.
• Construction and verification of the seismic damage assessment method.

Main Results:

• The derived fundamental period calculation formula adapts to deformation patterns.
• The established assessment standard effectively considers period variation.
• The verification example confirms the method's high accuracy and engineering practicability.

Conclusions:

• The proposed method offers a reliable approach for rapid seismic damage evaluation.
• The consideration of period variation enhances assessment accuracy.
• The research provides a valuable tool for practical engineering applications.