A Novel Incipient Evaluation Method for Postconstruction Settlement by Using a Statistic Approach with Time-Extended Loading Test
A Novel Incipient Evaluation Method for Postconstruction Settlement by Using a Statistic Approach with Time-Extended Loading Test
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一种新的工后沉降初期评价方法——基于延时荷载试验的统计方法
DOI:
10.1155/2019/8687178
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发表时间:
2019-02
影响因子:
--
通讯作者:
Sheng Ke
中科院分区:
文献类型:
--
作者:
Hong Baoning;Shan Hao;Liu Xin;Xu Fenqiang;Sheng Ke
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 Sr(t) and settlement rate Vs(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.
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