Building Soundness Determination via Damage Influence Calculation
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Solution Overview
Problem
Current methods for determining the soundness of buildings require extensive expertise, time, and resources, often failing to accurately assess damage influence on the structure's safety and necessitate full building inspections, which is impractical due to budget and personnel constraints, especially for aged social infrastructure.
Innovation Solution
A soundness determination device and method that extracts damaged portions from images, calculates damage influence based on the relative positional relationship between important structural parts and damaged areas, and determines building soundness using a computer-readable program, enabling efficient and accurate assessments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If advanced expertise and extensive analysis are used to accurately determine building soundness, then determination accuracy is improved, but analysis time and resource requirements increase
Solution Approach 1:
The patent segments the building inspection process into distinct components: image capture of damaged portions, extraction of damage features, identification of important structural parts, calculation of damage influence degrees, and final soundness determination. This segmentation allows automated processing of each component, reducing the need for extensive manual expert analysis while maintaining determination accuracy.
Solution Approach 2:
The patent introduces an intermediary computational system that processes damage images and structure information to generate damage influence degree calculations. This intermediary system acts as a bridge between raw inspection data and expert determination, automating the analysis process and reducing both time requirements and dependency on extensive expert involvement.
2Measurement precision
If full building inspections are performed to accurately assess damage influence, then assessment completeness is improved, but resource requirements and inspection complexity increase
Solution Approach 1:
The patent applies local quality by focusing inspection efforts on specific damaged portions and their relative positions to important structural parts rather than conducting uniform full-building inspections. The damage influence degree is calculated based on local damage characteristics and their spatial relationship to critical structures, enabling accurate assessment with reduced inspection scope and complexity.
Solution Approach 2:
The patent implements partial action by performing inspections only on portions of the building that contain damage, rather than inspecting the entire building. The system captures images of damaged portions, extracts relevant features, and calculates damage influence degrees based on these partial observations combined with structure information, achieving sufficient assessment completeness without the resources required for full building inspections.
3Productivity
If automated image-based damage extraction is implemented, then inspection efficiency is improved, but measurement precision of damage characteristics may deteriorate
Solution Approach 1:
The patent incorporates feedback mechanisms where the automated image processing system extracts damage features, calculates damage influence degrees, and these results inform the final soundness determination. The system uses structure information and relative position data as feedback to refine the damage assessment, ensuring that automated extraction maintains measurement precision by continuously validating results against known structural parameters.
Data Source
AI summary
An inspection specifying unit specifies a member position that is a point and a type of damage that is a soundness determination target on the basis of building structure information. An inspection data analysis unit acquires the image data from an inspection data acquisition unit, analyzes the image data, and determines from the image data, whether or not there is damage of the type of damage specified as the inspection target, and the degree of damage in a case where there is the damage. A damage influence degree calculation unit calculates the degree of damage influence for each damage. A soundness determination unit determines the soundness of the entire building on the basis of the degree of damage influence for each damage. A soundness output unit outputs the soundness determined in to a display, a printer, or the like.