CN214363660U - Foundation pit support structure leakage hidden danger detection device based on seepage field - Google Patents
Foundation pit support structure leakage hidden danger detection device based on seepage field Download PDFInfo
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- CN214363660U CN214363660U CN202022198633.1U CN202022198633U CN214363660U CN 214363660 U CN214363660 U CN 214363660U CN 202022198633 U CN202022198633 U CN 202022198633U CN 214363660 U CN214363660 U CN 214363660U
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- foundation pit
- support structure
- pit support
- seepage field
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Abstract
The utility model discloses a foundation ditch enclosure seepage hidden danger detection device based on seepage field, include through cable interconnect's sonar system and data processing explanation system under water, foundation ditch enclosure's inboard or outside are equipped with supplementary drilling, and sonar system is located supplementary drilling under water. The utility model has the advantages that: the detection device is simple in principle, can visually present the seepage field condition near the seam of the foundation pit support structure, and is high in positioning accuracy for the seepage hidden danger.
Description
Technical Field
The utility model relates to a foundation ditch retaining structure seepage hidden danger detection area, concretely relates to foundation ditch retaining structure seepage hidden danger detection device based on seepage field.
Background
When the deep foundation pit engineering is constructed, the situation of leakage of the foundation pit enclosure structure often occurs due to various uncontrollable factors, construction quality and other artificial reasons, the settlement of the construction around the foundation pit can be caused under severe conditions, the safety of the engineering is greatly influenced, and meanwhile, great negative effects are caused on the personal safety and social stability of residents. Therefore, before the foundation pit is excavated, various leakage hidden dangers existing in the foundation pit enclosure structure are urgently needed to be checked in advance by adopting an effective detection means, and a targeted repair scheme is adopted before in time, so that serious leakage occurring in the foundation pit excavation process can be avoided, and smooth implementation of foundation pit engineering is guaranteed. The traditional detection technology is not suitable for the current detection environment for the moment, and the problem cannot be solved fundamentally.
Disclosure of Invention
The utility model aims at providing a device for detecting the hidden danger of the leakage of the foundation pit support structure based on the seepage field according to the defects of the prior art, which comprises an underwater sonar system and a data processing and explaining system; the underwater sonar system is used for detecting the underground water flow speed near the seam of the foundation pit support structure; the data processing interpretation system is used for recording water flow speed data and obtaining the range of leakage distribution and the magnitude of leakage amount in the foundation pit support structure through processing; the underwater sonar system sends the measured data of the water velocity and the direction to the data processing and explaining system through the cable, the data processing and explaining system stores the data and automatically completes data analysis and explanation, and finally the specific position and the leakage degree of leakage in the foundation pit support structure are directly displayed.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a foundation ditch enclosure structure seepage hidden danger detection device based on seepage field, detection device includes through cable interconnect's sonar system and data processing explanation system under water, and foundation ditch enclosure structure's inboard or outside are equipped with supplementary drilling, sonar system is located under water in the supplementary drilling.
The underwater sonar system is formed by connecting a plurality of underwater sonars which are distributed at intervals in series through cables.
And the joint distance between the auxiliary drilling hole and the foundation pit support structure is not more than 20 cm.
And the depth of the auxiliary drilling hole is consistent with that of the foundation pit support structure.
The depth of the auxiliary drilling hole is consistent with the requirement of the detection depth.
The number of the auxiliary drill holes is the same as the number of joints contained in the part to be detected of the foundation pit support structure.
The data processing interpretation system comprises a built-in memory.
The utility model has the advantages that: the device for detecting the hidden leakage danger of the foundation pit support structure based on the seepage field can be used for troubleshooting various hidden leakage dangers existing in the foundation pit support structure in advance, and can be used for avoiding serious leakage in the foundation pit excavation process by adopting a targeted repair scheme before time, so that the smooth implementation of foundation pit engineering is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a device for detecting potential leakage hazards of a foundation pit support structure based on a seepage field in the utility model;
fig. 2 is the utility model discloses a detection implementation schematic diagram of sonar system under water among the detection device.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-2, the labels in the figure are: data processing explanation system 1, cable 2, foundation ditch envelope 3, supplementary drilling 4, seam 5, the part 6 that awaits measuring, sonar system 7 under water, sonar 8 under water.
Example (b): as shown in fig. 1-2, this embodiment specifically relates to a foundation pit support structure leakage hidden danger detection device based on seepage field, and detection device includes through cable 2 interconnect's underwater sonar system 7 and data processing explanation system 1. The inside or the outside of foundation pit envelope 3 is equipped with auxiliary drilling 4, and sonar system 7 is located auxiliary drilling 4 under water for detect the groundwater velocity near 3 seams 5 of foundation pit envelope. Underwater sonar system 7 comprises a plurality of underwater sonars 8, and detects in proper order according to the specified interval from shallow to deep in auxiliary drilling 4 until auxiliary drilling 4 bottoms, and is connected in series into a string in proper order by the cable. The distance between the auxiliary drilling hole 4 and the joint 5 of the foundation pit support structure 3 is not more than 20 cm. The depth of the auxiliary drilling hole 4 is consistent with the depth of the foundation pit support structure 3, or is consistent with the requirement of detection depth. The number of the auxiliary drill holes 4 is the same as that of joints 5 contained in a part 6 to be measured of the foundation pit support structure 3. The data processing and explaining system 1 stores data through a built-in memory, performs preliminary data analysis and explanation, and then gives specific positions and leakage degrees of leakage in the foundation pit enclosure 3. The detection device is suitable for various types of foundation pit enclosing structures 3 such as underground continuous walls, cast-in-situ bored piles, mixing piles and the like, or other underground water-stopping closed structures.
As shown in fig. 1-2, the working method of the device for detecting hidden leakage danger of a foundation pit support structure based on a seepage field in this embodiment specifically includes the following steps:
(1) and detecting the unearthed foundation pit support structure 3.
(2) And arranging auxiliary drill holes 4 at the position 20cm away from the outer side of the detected foundation pit support structure 3 in a vertical mode.
(3) In this embodiment, the number of the joints 5 of the part 6 to be measured of the foundation pit support structure 3 is five, and accordingly five auxiliary drill holes 4 are arranged, and the depth of each auxiliary drill hole 4 is the same as that of the foundation pit support structure 3.
(4) An underwater sonar system 7 is arranged in an auxiliary drilling hole 4 on the outer side of the foundation pit support structure 3, and an underwater sonar system 8 is connected with the data processing interpretation system 1 through a cable 2.
(5) And controlling each underwater sonar 8 in the underwater sonar system 7 to detect in the auxiliary drilling holes 4 according to the 1m distance until the bottom of the auxiliary drilling holes 4. After the detection of the auxiliary borehole 4 is completed, the detection data is automatically stored in the data processing interpretation system 1.
(6) And sequentially completing the detection of each auxiliary borehole 4 on the outer side of the part 6 to be detected of the foundation pit support structure 3.
(7) After all measurements have been made, the data processing interpretation system 1 processes and analyses the water flow velocity and direction of all auxiliary boreholes 4 in comparison.
(8) And performing spatial distribution homing on the measurement data to finally form a section view of each joint 5 of the part 6 to be measured of the foundation pit support structure 3, and giving the position and the severity of the abnormal leakage.
Claims (6)
1. The utility model provides a foundation ditch enclosure structure seepage hidden danger detection device based on seepage field, its characterized in that detection device includes sonar system and data processing explanation system under water through cable interconnect, and foundation ditch enclosure structure's inboard or outside are equipped with supplementary drilling, sonar system is located under water in the supplementary drilling, supplementary drilling with foundation ditch enclosure structure's seam distance is no longer than 20 cm.
2. The foundation pit support structure leakage hidden danger detection device based on seepage field according to claim 1, characterized in that the underwater sonar system is formed by connecting a plurality of underwater sonars distributed at intervals in series through cables.
3. The device for detecting the hidden danger of the leakage of the foundation pit support structure based on the seepage field as claimed in claim 1, wherein the depth of the auxiliary drilling hole is consistent with the depth of the foundation pit support structure.
4. The device for detecting the potential leakage hazard of the foundation pit support structure based on the seepage field as claimed in claim 1, wherein the depth of the auxiliary drilling hole is consistent with the requirement of detection depth.
5. The device for detecting the potential leakage hazard of the foundation pit support structure based on the seepage field as claimed in claim 1, wherein the number of the auxiliary drill holes is the same as the number of joints included in the part to be detected of the foundation pit support structure.
6. The device for detecting the potential leakage hazard of the foundation pit support structure based on the seepage field as claimed in claim 1, wherein the data processing and interpreting system comprises a built-in memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198633.1U CN214363660U (en) | 2020-09-29 | 2020-09-29 | Foundation pit support structure leakage hidden danger detection device based on seepage field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198633.1U CN214363660U (en) | 2020-09-29 | 2020-09-29 | Foundation pit support structure leakage hidden danger detection device based on seepage field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214363660U true CN214363660U (en) | 2021-10-08 |
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| CN202022198633.1U Active CN214363660U (en) | 2020-09-29 | 2020-09-29 | Foundation pit support structure leakage hidden danger detection device based on seepage field |
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| Country | Link |
|---|---|
| CN (1) | CN214363660U (en) |
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2020
- 2020-09-29 CN CN202022198633.1U patent/CN214363660U/en active Active
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Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |