CN211665810U

CN211665810U - Electrode fixing device for testing thickness of retaining wall

Info

Publication number: CN211665810U
Application number: CN201922406027.1U
Authority: CN
Inventors: 崔广强
Original assignee: Fujian Jiangxia University
Current assignee: Fujian Jiangxia University
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-13
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to an electrode fixing device for retaining wall thickness test, which comprises a plurality of sponge blocks which are evenly distributed at intervals along the middle part of one side surface of the retaining wall, wherein the upper side surface and the lower side surface of each sponge block are respectively butted with a limiting steel nail inserted on the retaining wall, an electrode is inserted in each sponge block, and the sponge blocks also contain conductive solution; electrodes on the sponge blocks are connected in series with a long wire, and one end of the long wire is connected with the converter. When the device is used, the power supply of the electrode is turned on, data are imaged on a computer through the converter, and the thickness of the retaining wall is finally obtained through comprehensive analysis of images and data. The utility model has simple structure, because the spacing steel nail is directly inserted in the retaining wall, the assembly and disassembly are convenient, and the sponge block can be conveniently fixed; and the electrode adopts the mode of pegging graft at the sponge piece, and simple to operate not only, the sponge piece can play firm fixed effect to the electrode moreover.

Description

Electrode fixing device for testing thickness of retaining wall

The technical field is as follows:

the utility model belongs to ground slope retaining wall detection area especially relates to an electrode fixing device of retaining wall thickness test.

Background art:

the retaining wall is a permanent or temporary wall or a similar artificial structure constructed to ensure the stability of a filling or excavation position, and is widely applied to projects such as highways, railway slopes, hydraulic engineering bank protection, building periphery, mine tunnels and the like.

In the prior art, electrodes are usually fixed on a retaining wall, data electrified by the electrodes are imaged on a computer by using a converter, and the thickness of the retaining wall is finally obtained by comprehensively analyzing the images and the data. However, the mode operation that traditional electrode was fixed on retaining wall is comparatively loaded down with trivial details, and the electrode is fixed firm inadequately, appears dropping easily, and then influences the detection precision.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that an electrode fixing device of retaining wall thickness test is provided, structural design is reasonable, convenient operation.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an electrode fixing device of retaining wall thickness test, includes along a plurality of sponge blocks of retaining wall side middle part interval equipartition, the equal butt of the upper and lower both sides face of every sponge block has the spacing steel nail of inserting and establishing on the retaining wall, and the inside of every sponge block is all inserted and is equipped with an electrode, still contains conducting solution in the sponge block.

Furthermore, electrodes on the sponge blocks are connected in series with a long wire, and one end of the long wire is connected with the converter.

Furthermore, a waterproof plastic film is arranged between the bottom surface of the sponge block and the limiting steel nails positioned on the lower side.

Further, the upside of sponge piece is equipped with a spacing steel nail, and the downside of sponge piece is equipped with two spacing steel nails, the week side of spacing steel nail contacts with the sponge piece.

Further, the conductive solution is a 30% sodium chloride solution.

Further, a plurality of sponge blocks are arranged side by side along the length direction of the retaining wall.

Further, the electrodes penetrate through the sponge block along the length direction of the retaining wall.

Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of simple and reasonable structure, directly insert the electrode and establish on the sponge piece, the sponge piece is fixed a position through inserting the spacing steel nail of establishing on retaining wall simultaneously, and convenient operation can realize the steady fixed of electrode.

Description of the drawings:

fig. 1 is a schematic front view of the embodiment of the present invention;

FIG. 2 is a schematic side view of an embodiment of the present invention;

fig. 3 is a schematic view of the assembly of the sponge block and the electrode according to the embodiment of the present invention.

In the figure:

1-an electrode; 2-sponge block; 3-long electric wire; 4-limiting steel nails; 5-waterproof plastic film; a 6-converter; 7-retaining wall.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the electrode fixing device for retaining wall thickness testing of the present invention comprises a plurality of sponge blocks 2 uniformly distributed at intervals along the middle of one side of a retaining wall 7, wherein the upper and lower side surfaces of each sponge block 2 are respectively abutted with a limiting steel nail 4 inserted on the retaining wall 7, and the limiting steel nails 4 on the upper and lower sides are used for limiting the sponge blocks 2, so as to ensure that the sponge blocks 2 are firmly positioned; an electrode 1 is inserted into each sponge block 2, and the sponge blocks 2 also contain a conductive solution; the electrodes 1 on the sponge blocks 2 are connected in series with a long wire 3, and one end of the long wire 3 is connected with a converter 6. When the device is used, the power supply of the electrode is turned on, data are imaged on a computer through the converter, and the thickness of the retaining wall is finally obtained through comprehensive analysis of images and data. In the fixing device, the limiting steel nails are directly inserted into the retaining wall, so the fixing device is convenient to assemble and disassemble and can conveniently fix the sponge blocks; and the electrode adopts the mode of pegging graft at the sponge piece, and simple to operate not only, the sponge piece can play firm fixed effect to the electrode moreover.

In this embodiment, waterproof plastic film 5 between the bottom surface of sponge piece 2 and the spacing steel nail that is located the downside prevents that the conducting solution inside sponge piece 2 from oozing because of the action of gravity and influencing the conducting effect.

In the embodiment, a limiting steel nail 4 is arranged on the upper side of the sponge block 2, and the limiting steel nail 4 is positioned in the middle of the upper side face of the sponge block 2; two limiting steel nails 4 are arranged on the lower side of the sponge block 2, and the two limiting steel nails 4 are symmetrically arranged at two ends of the lower side of the sponge block 2; the peripheral side surface of the limiting steel nail 4 is contacted with the sponge block 2. Preferably, the length of spacing steel nail is greater than 15cm, and the degree of depth that spacing steel nail inserted retaining wall is 4cm to guarantee that the sponge piece can not drop.

In this embodiment, the conductive solution is a 30% sodium chloride solution.

In this embodiment, a plurality of the sponge blocks 2 are arranged side by side along the length direction of the retaining wall 7.

In this embodiment, the electrodes 1 penetrate the sponge block along the longitudinal direction of the retaining wall 7. Preferably, the electrode 1 is made of copper.

In this embodiment, the sponge block 2 is a cuboid with a length of 20cm, a width of 10cm and a height of 6cm, and the rear side (the largest surface) of the sponge block is tightly attached to the retaining wall to increase the contact area between the electrode and the retaining wall, so as to ensure that the retaining wall 7 and the electrode 1 have sufficient conductive effect.

In this embodiment, the converter is a high-density electrical converter.

Example (b): station passenger tunnels are arranged at the northern station DK591+100 of the black mountain, and 9.5m high buttress retaining walls are arranged on two sides of the station platforms of the passenger tunnels DK591+ 017.75-DK 91+092.95 and DK591+ 107.05-DK 591+ 182.25. The width of the top of the counterfort retaining wall is 0.85m, the thickness of the bottom plate is 0.95m, the clear space between the ribs is 4.05m, and the thickness of the ribs is 1 m. The counterfort retaining wall is formed by casting C35 reinforced concrete in situ, a 10cm rear plastic drainage sheet reverse filter layer is arranged behind the wall, drainage holes are arranged in a staggered mode at intervals of 2-3 m in the wall height and wall length direction above the ground by not less than 20cm, and the hole diameter is 10 cm. A plain concrete cushion layer with the thickness of 0.1m is arranged under the substrate. An expansion joint is arranged between every two retaining walls along the length of the wall, the width of the expansion joint is 2cm, asphalt and hemp fibers are filled in the expansion joint, a composite drainage net is arranged on the back of the wall, and a sand-pebble inverted filter layer with the thickness of 0.3m is arranged behind the drainage net.

A sponge block 2 with the length of 20cm, the width of 10cm and the height of 6cm is placed in the middle of a retaining wall 7 at intervals of 1m and is fixed by a limiting steel nail 4, the limiting steel nail 4 is embedded into the retaining wall 4cm, the sponge block 2 contains a sodium chloride solution with the concentration of 30%, a copper electrode 1 is inserted into each sponge block 2, each electrode 1 is connected on a long wire 3 in series, and one end of each long wire 3 is connected with a converter 6. And (4) turning on a power supply, imaging the data on a computer through a converter, and finally obtaining the thickness of the retaining wall through comprehensive analysis of the image and the data.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides an electrode fixing device of retaining wall thickness test which characterized in that: the anti-theft device comprises a plurality of sponge blocks which are uniformly distributed at intervals along the middle part of one side surface of the retaining wall, limiting steel nails inserted on the retaining wall are abutted to the upper side surface and the lower side surface of each sponge block, an electrode is inserted into the interior of each sponge block, and a conductive solution is also contained in each sponge block.

2. A retaining wall thickness test electrode holding device according to claim 1, wherein: electrodes on the sponge blocks are connected in series with a long wire, and one end of the long wire is connected with the converter.

3. A retaining wall thickness test electrode holding device according to claim 1, wherein: and a waterproof plastic film is arranged between the bottom surface of the sponge block and the limiting steel nail positioned on the lower side.

4. A retaining wall thickness test electrode holding device according to claim 1, wherein: the upper side of the sponge block is provided with a limiting steel nail, the lower side of the sponge block is provided with two limiting steel nails, and the peripheral side surface of each limiting steel nail is in contact with the sponge block.

5. A retaining wall thickness test electrode holding device according to claim 1, wherein: the conductive solution is a 30% sodium chloride solution.

6. A retaining wall thickness test electrode holding device according to claim 1, wherein: the plurality of sponge blocks are arranged side by side along the length direction of the retaining wall.

7. A retaining wall thickness test electrode holding device according to claim 1, wherein: the electrodes penetrate through the sponge block along the length direction of the retaining wall.