A Case Study on Distresses of Concrete Pavements Supported on a Retaining Wall

Embankments and retaining walls are integral parts of the bridge system and provide a smooth transition from lower elevations (i.e., roadways) to higher elevations (i.e., bridge decks). Performances of pavement structures supported on embankments or retaining walls are directly related to their cond...

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Bibliographic Details
Published in:Applied sciences 2023-10, Vol.13 (20), p.11226
Main Authors: Lee, Heejun, Koirala, Niwesh, Choi, Pangil, Seo, Hoyoung
Format: Article
Language:English
Subjects:
Bridges
Case studies
concrete pavement
Concrete pavements
cone penetration tests (CPTs)
dynamic cone penetrometer (DCP) tests
falling weight deflectometer (FWD) tests
mechanically stabilized earth (MSE) wall
Optical radar
Remote sensing
Roads & highways
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Summary:Embankments and retaining walls are integral parts of the bridge system and provide a smooth transition from lower elevations (i.e., roadways) to higher elevations (i.e., bridge decks). Performances of pavement structures supported on embankments or retaining walls are directly related to their conditions. This paper presents a comprehensive case study of the evaluation of pavement structures supported on an in-service mechanically stabilized earth (MSE) wall that showed significant distresses, such as lane separation, faulting, lane settlement, and tilting of the MSE wall. The conditions of the pavement structures were evaluated via visual observations, falling weight deflectometer (FWD) tests, and coring through pavement structures. The conditions of the MSE wall were evaluated through dynamic cone penetrometer (DCP) tests, cone penetration tests (CPTs), LiDAR surveys, and soil borings. Detailed analysis of the data obtained in this study provides valuable insights into potential distress mechanisms.
ISSN:2076-3417
2076-3417
DOI:10.3390/app132011226