### Abstract

As part of Load and Resistance Factor Design (LRFD) implementation effort in Korea, reliability levels for side resistance of drilled shafts socketed in weak rock were evaluated by using bi-directional pile load test results. Because the loading direction of bi-directional pile load tests for shaft resistance is opposite to that of conventional downward static load tests, it is needed to assess the uncertainty and to evaluate the reliability of bidirectional pile load tests. A database of 24 bidirectional load test data sets and soil property tests was compiled from case histories collected from all around South Korea. The resistance bias factors for the three static design methods were evaluated by comparing the representative measured bearing capacities with the design values. Reliability analysis was conducted by two types of First-Order Reliability Method (FORM): Mean Value First-Order Second Moment (MVFOSM) and Advanced First-Order Second Moment (AFOSM).

Original language | English |
---|---|

Title of host publication | Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering |

Pages | 1683-1688 |

Number of pages | 6 |

Publication status | Published - 2011 Dec 1 |

Event | 11th International Conference on Applications of Statistics and Probability in Civil Engineering, ICASP - Zurich, Switzerland Duration: 2011 Aug 1 → 2011 Aug 4 |

### Publication series

Name | Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering |
---|

### Other

Other | 11th International Conference on Applications of Statistics and Probability in Civil Engineering, ICASP |
---|---|

Country | Switzerland |

City | Zurich |

Period | 11/8/1 → 11/8/4 |

### Fingerprint

### All Science Journal Classification (ASJC) codes

- Civil and Structural Engineering
- Statistics and Probability

### Cite this

*Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering*(pp. 1683-1688). (Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering).

}

*Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering.*Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering, pp. 1683-1688, 11th International Conference on Applications of Statistics and Probability in Civil Engineering, ICASP, Zurich, Switzerland, 11/8/1.

**Evaluation of reliabilities of drilled shafts using bi-directional pile load test results.** / Park, J. H.; Kim, D.; Kwak, K.; Lee, Jun Hwan; Chung, M.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Evaluation of reliabilities of drilled shafts using bi-directional pile load test results

AU - Park, J. H.

AU - Kim, D.

AU - Kwak, K.

AU - Lee, Jun Hwan

AU - Chung, M.

PY - 2011/12/1

Y1 - 2011/12/1

N2 - As part of Load and Resistance Factor Design (LRFD) implementation effort in Korea, reliability levels for side resistance of drilled shafts socketed in weak rock were evaluated by using bi-directional pile load test results. Because the loading direction of bi-directional pile load tests for shaft resistance is opposite to that of conventional downward static load tests, it is needed to assess the uncertainty and to evaluate the reliability of bidirectional pile load tests. A database of 24 bidirectional load test data sets and soil property tests was compiled from case histories collected from all around South Korea. The resistance bias factors for the three static design methods were evaluated by comparing the representative measured bearing capacities with the design values. Reliability analysis was conducted by two types of First-Order Reliability Method (FORM): Mean Value First-Order Second Moment (MVFOSM) and Advanced First-Order Second Moment (AFOSM).

AB - As part of Load and Resistance Factor Design (LRFD) implementation effort in Korea, reliability levels for side resistance of drilled shafts socketed in weak rock were evaluated by using bi-directional pile load test results. Because the loading direction of bi-directional pile load tests for shaft resistance is opposite to that of conventional downward static load tests, it is needed to assess the uncertainty and to evaluate the reliability of bidirectional pile load tests. A database of 24 bidirectional load test data sets and soil property tests was compiled from case histories collected from all around South Korea. The resistance bias factors for the three static design methods were evaluated by comparing the representative measured bearing capacities with the design values. Reliability analysis was conducted by two types of First-Order Reliability Method (FORM): Mean Value First-Order Second Moment (MVFOSM) and Advanced First-Order Second Moment (AFOSM).

UR - http://www.scopus.com/inward/record.url?scp=84863050935&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84863050935&partnerID=8YFLogxK

M3 - Conference contribution

SN - 9780415669863

T3 - Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering

SP - 1683

EP - 1688

BT - Applications of Statistics and Probability in Civil Engineering -Proceedings of the 11th International Conference on Applications of Statistics and Probability in Civil Engineering

ER -