Damage detection and leakage repairing method for earth-covered underground water supply plastic pipe
The invention relates to a damage detection and leakage repairing method for an earth-covered underground water supply plastic pipe. The method comprises the following specific operation steps: 1) a control device judges that a section of underground pipeline has leakage; (2) a conveying device is c...
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| creator | OUYANG XIANGSEN LIANG QIAO WANG JUN NIE ZHIPENG LIU LIN GONG DINGYU PENG HUIHUA |
| description | The invention relates to a damage detection and leakage repairing method for an earth-covered underground water supply plastic pipe. The method comprises the following specific operation steps: 1) a control device judges that a section of underground pipeline has leakage; (2) a conveying device is controlled to start, so that the water pressure gauge moves along the pipe side chute, the water pressure of the water supply plastic pipe in the axial direction is monitored, a water pressure distribution curve of the underground water supply plastic pipe in the axial direction is obtained, and the peak position of the steep rising section of the water pressure distribution curve and the corresponding water supply plastic pipe position point are determined; 3) the depth from the leakage gap point to the earth surface and the position point of the earth surface corresponding to the leakage gap are obtained; and (4) vertical sleeve drilling is conducted at the position point, corresponding to the leakage notch, of th |
| format | Patent |
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The method comprises the following specific operation steps: 1) a control device judges that a section of underground pipeline has leakage; (2) a conveying device is controlled to start, so that the water pressure gauge moves along the pipe side chute, the water pressure of the water supply plastic pipe in the axial direction is monitored, a water pressure distribution curve of the underground water supply plastic pipe in the axial direction is obtained, and the peak position of the steep rising section of the water pressure distribution curve and the corresponding water supply plastic pipe position point are determined; 3) the depth from the leakage gap point to the earth surface and the position point of the earth surface corresponding to the leakage gap are obtained; and (4) vertical sleeve drilling is conducted at the position point, corresponding to the leakage notch, of th</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES PIPES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS |
| title | Damage detection and leakage repairing method for earth-covered underground water supply plastic pipe |
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