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Foundation pile integrity detection method based on site soil potential distribution
The invention provides a foundation pile integrity detection method based on site soil potential distribution, and the method comprises the following steps: S1, electrically connecting one pole of a power supply with a steel bar of a to-be-detected pile foundation, grounding the other pole of the power supply with a ground position which is far away from the to-be-detected pile foundation by n times to estimate the length of the to-be-detected pile, and supplying power to the to-be-detected pile through the power supply; s2, vertically pressing a second probe, a first probe and a conical tip which are sequentially connected from top to bottom into the ground by using a static sounding instrument at a first set distance on the pile side of the to-be-detected pile; the potential difference between the upper voltage electrode and the lower voltage electrode is measured and recorded every time a second set distance is pressed in until the conical tip is pressed to be 3-4 m below the pre-estimated depth of the pile bottom to be measured; and S3, drawing a voltage-depth map in which the voltage value changes along with the depth value, and judging the pile length of the pile to be measured according to the depth of a voltage extreme point in the voltage-depth map.
本发明提供一种基于场地土电势分布的基桩完整性检测方法，该方法包括以下步骤：S1、将电源的一极与待测桩基的钢筋电性连接，将电源的另一极与远离待测桩基n倍预估待测桩长的地面位置接地连接，通过电源对待测桩供电；S2、在待测桩的桩侧间隔第一设定距离，使用静力触探仪器将自上而下依次连接的第二探头、第一探头和锥尖竖直压入地面；每压入第二设定距离，测量并记录上电压极和下电压极之间的电势差，直至锥尖压贯至预估待测桩底深度以下3～4m；S3、绘制电压值随深度值变化的电压‑深度图，根据电压‑深度图中电压极值点所处深度，判断待测桩的桩长。
Foundation pile integrity detection method based on site soil potential distribution
The invention provides a foundation pile integrity detection method based on site soil potential distribution, and the method comprises the following steps: S1, electrically connecting one pole of a power supply with a steel bar of a to-be-detected pile foundation, grounding the other pole of the power supply with a ground position which is far away from the to-be-detected pile foundation by n times to estimate the length of the to-be-detected pile, and supplying power to the to-be-detected pile through the power supply; s2, vertically pressing a second probe, a first probe and a conical tip which are sequentially connected from top to bottom into the ground by using a static sounding instrument at a first set distance on the pile side of the to-be-detected pile; the potential difference between the upper voltage electrode and the lower voltage electrode is measured and recorded every time a second set distance is pressed in until the conical tip is pressed to be 3-4 m below the pre-estimated depth of the pile bottom to be measured; and S3, drawing a voltage-depth map in which the voltage value changes along with the depth value, and judging the pile length of the pile to be measured according to the depth of a voltage extreme point in the voltage-depth map.
本发明提供一种基于场地土电势分布的基桩完整性检测方法，该方法包括以下步骤：S1、将电源的一极与待测桩基的钢筋电性连接，将电源的另一极与远离待测桩基n倍预估待测桩长的地面位置接地连接，通过电源对待测桩供电；S2、在待测桩的桩侧间隔第一设定距离，使用静力触探仪器将自上而下依次连接的第二探头、第一探头和锥尖竖直压入地面；每压入第二设定距离，测量并记录上电压极和下电压极之间的电势差，直至锥尖压贯至预估待测桩底深度以下3～4m；S3、绘制电压值随深度值变化的电压‑深度图，根据电压‑深度图中电压极值点所处深度，判断待测桩的桩长。
Foundation pile integrity detection method based on site soil potential distribution
一种基于场地土电势分布的基桩完整性检测方法
WU JUNTAO (author) / FU PENGCHENG (author) / WANG KUIHUA (author) / JIA JUNJIE (author) / YI ENZE (author) / YE QIYANG (author) / ZHANG DINGGAO (author)
2024-11-01
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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