Multi-testing-point low-strain detection method for integrity of foundation pile
The invention discloses a multi-testing-point low-strain detection method for integrity of a foundation pile. The method is characterized in that when knocking action is executed at testing points, average processing analysis is carried out on signal data of the plurality of testing points from a pi...
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| creator | HAO JIANDONG GAO LI WANG WENKUI YU FAQIAN QI LIANGJUN HUANG CHUNYANG |
| description | The invention discloses a multi-testing-point low-strain detection method for integrity of a foundation pile. The method is characterized in that when knocking action is executed at testing points, average processing analysis is carried out on signal data of the plurality of testing points from a pile top sensor so that whether the foundation pile has defects or not can be judged, that is, the integrity of the foundation pile is judged and analyzed by adopting a low-strain dynamic testing method; and when it is judged that a pile body is incomplete, the internal defects of the foundation pileare subjected to qualitative analysis by adopting an ultrasonic detection method to obtain the scale, properties and the like of the defects of the foundation pile. According to the method, the low-strain dynamic testing method and the ultrasonic detection method are combined, the plurality of testing points located on concentric circles with different radiuses are arranged, the problem that the defect of the pile bottom |
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The method is characterized in that when knocking action is executed at testing points, average processing analysis is carried out on signal data of the plurality of testing points from a pile top sensor so that whether the foundation pile has defects or not can be judged, that is, the integrity of the foundation pile is judged and analyzed by adopting a low-strain dynamic testing method; and when it is judged that a pile body is incomplete, the internal defects of the foundation pileare subjected to qualitative analysis by adopting an ultrasonic detection method to obtain the scale, properties and the like of the defects of the foundation pile. 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The method is characterized in that when knocking action is executed at testing points, average processing analysis is carried out on signal data of the plurality of testing points from a pile top sensor so that whether the foundation pile has defects or not can be judged, that is, the integrity of the foundation pile is judged and analyzed by adopting a low-strain dynamic testing method; and when it is judged that a pile body is incomplete, the internal defects of the foundation pileare subjected to qualitative analysis by adopting an ultrasonic detection method to obtain the scale, properties and the like of the defects of the foundation pile. 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The method is characterized in that when knocking action is executed at testing points, average processing analysis is carried out on signal data of the plurality of testing points from a pile top sensor so that whether the foundation pile has defects or not can be judged, that is, the integrity of the foundation pile is judged and analyzed by adopting a low-strain dynamic testing method; and when it is judged that a pile body is incomplete, the internal defects of the foundation pileare subjected to qualitative analysis by adopting an ultrasonic detection method to obtain the scale, properties and the like of the defects of the foundation pile. According to the method, the low-strain dynamic testing method and the ultrasonic detection method are combined, the plurality of testing points located on concentric circles with different radiuses are arranged, the problem that the defect of the pile bottom</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | Multi-testing-point low-strain detection method for integrity of foundation pile |
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