Review of Sensor-Based Subgrade Distress Identifications

Area of Science:

• Civil Engineering
• Geotechnical Engineering
• Transportation Infrastructure

Background:

• Subgrade distresses present significant challenges to accurate detection and management due to their diverse and concealed nature.
• These distresses can lead to structural degradation, increased traffic incidents, and substantial economic losses.
• Timely identification of subgrade distresses is vital for effective road maintenance and extending infrastructure service life.

Purpose of the Study:

• To provide a comprehensive review of current subgrade distress detection techniques.
• To systematically consolidate and present various detection methods, analyzing their advantages and limitations.
• To offer guidance for the identification and treatment of subgrade distresses, enhancing transportation infrastructure safety and durability.

Main Methods:

• Literature review of novel technologies and methodologies for subgrade distress detection.
• Systematic consolidation and critical analysis of diverse detection techniques.
• Evaluation of the merits and constraints associated with each method.

Main Results:

• Identification of various advanced technologies and methodologies for subgrade distress detection.
• Comparative analysis of different techniques, highlighting their strengths and weaknesses.
• A consolidated overview of the current landscape of subgrade distress detection.

Conclusions:

• Effective subgrade distress detection is essential for maintaining transportation infrastructure.
• This review facilitates informed selection and application of appropriate detection methods.
• Improved detection and management of subgrade distresses contribute to enhanced road safety and infrastructure longevity.