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A Novel Incipient Evaluation Method for Postconstruction Settlement by Using a Statistic Approach with Time-Extended Loading Test

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  • Baoning Hong
  • Hao Shan
  • Xin Liu
  • Fenqiang Xu
  • Ke Sheng

Abstract

This paper proposes an incipient assessment method for postconstruction settlement of highway subgrade by using statistical analysis approach with an improved static loading test method, time-extended loading test. The time-extended loading residual settlement S r ( t ) and settlement rate V s ( t ) are calculated from the field test data. The test procedure and the corresponding experimental validations are presented. Based on the field test data, a probabilistic model is built to bridge the final residual settlement and the actual postconstruction settlements. The proposed time-extended loading test based assessment system has been validated through three operating and well-documented road sections. According to the validation results, the construction quality can be accurately evaluated at an early stage and the corresponding remedial measures can be applied timely.

Suggested Citation

  • Baoning Hong & Hao Shan & Xin Liu & Fenqiang Xu & Ke Sheng, 2019. "A Novel Incipient Evaluation Method for Postconstruction Settlement by Using a Statistic Approach with Time-Extended Loading Test," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-12, February.
    • Handle: RePEc:hin:jnlmpe:8687178
    DOI: 10.1155/2019/8687178
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