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http://dx.doi.org/10.7843/kgs.2017.33.10.59

Measurement of Retaining Tensile Load with the Relative Displacement Detector of Ground Anchors  

Jeong, Hyeon-Sik (Dept. of Civil Engrg., Kyonggi-Univ.)
Han, Kwang-Suk (Dept. of Civil Engrg., Kyonggi-Univ.)
Lee, Yeong-Saeng (Dept. of Civil Engrg., Kyonggi-Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.33, no.10, 2017 , pp. 59-69 More about this Journal
Abstract
The tension load of the ground anchor inserted in the ground gradually changes over time. In this regard the change of the initial tension load is primarily decreased by the fixation condition of the fixing head and the mechanical characteristics of the tensile material. The subsequent additional tension load is a time-dependent loss mostly due to the fixing conditions of the bonded length and the surrounding ground properties of the field. In this paper, therefore, a measurement system using a relative displacement detector that can relatively easily measure the change of tension load is discussed. As a result of the review, it was confirmed that the results using the relative displacement detector are similar to those of the real scale model test, and it was also confirmed that similar results were obtained with the result of the pull-out test conducted on the ground anchors fixed to weathered rocks condition. In addition, a pull-out test was conducted on the test anchors whose initial tension load loss was relatively large and through this test pull-out behavior of the tension type ground anchors was verified.
Keywords
Ground anchors; Relative displacement detector; Retained bonding capacity; Pull-out test; Lift-off test;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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