Method for detecting completeness of high bearing platform pile under existing structure object by virtual isolation single pile method
A technology of existing structures and high-cap piles, which is applied in the testing of infrastructure, infrastructure engineering, construction, etc., can solve the problems of difficult actual operation, low detection efficiency, difficult operation, etc., to achieve simple and convenient operation, improve reliability, The effect of low economic cost
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[0042] The method of the present invention will be further described below in conjunction with accompanying drawing of description:
[0043] Step 1. Data collection;
[0044] Step 2. Analyze the collected data by virtual isolation monopile method;
[0045] Step 3. Judging the integrity of high cap piles.
[0046] The data collection described in step 1 is specifically as follows:
[0047] 1-1. On the pile body above the foundation soil 9 of the foundation pile 8 to be tested, two positions at a certain interval are selected as the detection positions, which are respectively the upper position 1 and the lower position 2; the vibration excitation device 7 is connected to the dynamic A data acquisition and analyzer 6; a built-in force sensor in the vibration excitation device 7, and the force sensor is a sampling trigger;
[0048] 1-2. Install two acceleration sensors 3 symmetrically on the pile side corresponding to the upper position 1, and the acceleration sensors 3 are con...
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