CN111472347B - Leaking stoppage device for underground continuous wall water leakage position - Google Patents
Leaking stoppage device for underground continuous wall water leakage position Download PDFInfo
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- CN111472347B CN111472347B CN202010306101.7A CN202010306101A CN111472347B CN 111472347 B CN111472347 B CN 111472347B CN 202010306101 A CN202010306101 A CN 202010306101A CN 111472347 B CN111472347 B CN 111472347B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
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Abstract
The invention provides a leakage stopping device for a water leakage position of an underground diaphragm wall, which belongs to the technical field of subway construction and comprises a support frame, a grouting pipe, a containing tank and a filtering assembly. The support frame is used for being fixedly connected with the underground continuous wall and is provided with a first threaded hole. The slip casting pipe is provided with a first external thread in threaded connection with the first threaded hole and is used for being connected with a slip casting pump. The holding tank is connected and communicated with the other end of the grouting pipe, and when the grouting pipe moves axially, the end face of the opening end of the holding tank can be tightly sealed and pressed on the water leakage position of the underground continuous wall. The filter assembly is arranged in the containing tank, is circumferentially sealed and fixedly connected with the containing tank, is used for separating silt in leakage water, and is used for injecting grouting liquid into a water leakage hole of the underground diaphragm wall after passing through the water leakage hole. The leakage stopping device for the underground continuous wall leakage water part can avoid the problem that the leakage stopping effect is poor due to the fact that water pressure in the water leakage hole is high when the conventional underground continuous wall leakage water part adopts a leakage stopping agent to stop leakage.
Description
Technical Field
The invention belongs to the technical field of subway construction, and particularly relates to a leakage blocking device for a water leakage position of an underground diaphragm wall.
Background
At present, the construction of subways at home and abroad develops rapidly, and the geological conditions are more and more complicated along with the development of the subway construction in the whole country. Particularly, in the limestone stratum, water leakage at joints of the underground diaphragm wall is caused by various factors, and the water leakage is endless. In the process of excavation of the foundation pit, if the underground continuous wall body generates water gushing and sand gushing, the excavation safety of the foundation pit can be seriously endangered. The plugging agent is smeared on the wall surface of the underground diaphragm wall at the leaking water position for plugging. The plugging agent is a mixture similar to cement and has the effect of quick solidification under the action of water. Because the sand gushing is prevented, water in the water leakage hole is not dredged when the plugging agent is used for plugging, and if the pressure of the water in the water leakage hole is high, the water can leak in the leaking place again after a period of time, so that the effect cannot be achieved.
Disclosure of Invention
The invention aims to provide a leakage stopping device for a water leakage position of an underground diaphragm wall, and aims to solve the problem that the leakage stopping effect is poor due to the fact that water pressure in a water leakage hole is high when the water leakage position of the existing underground diaphragm wall is stopped by adopting a leakage stopping agent.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a plugging device of underground continuous wall seepage water department, includes support frame, slip casting pipe, holds jar and filtering component. The support frame is provided with a first threaded hole used for being perpendicular to the underground continuous wall and used for being fixedly connected with the underground continuous wall. The slip casting pipe middle part is worn to locate first threaded hole and be equipped with first threaded hole threaded connection's first external screw thread, and keep away from the one end of underground continuous wall is used for being connected with the grouting pump. The containing tank is connected and communicated with the other end of the grouting pipe, and when the grouting pipe moves axially, the end face of the opening end of the containing tank can tightly seal and press the water leakage position of the underground continuous wall. The filter assembly is arranged in the containing tank, is circumferentially sealed and fixedly connected with the containing tank, is used for separating silt in leakage water, and is used for injecting grouting liquid into the water leakage hole of the underground diaphragm wall after passing through the water leakage hole.
As another embodiment of the present application, the supporting bracket includes a fixing plate. The middle part of the fixing plate is used for arranging the first threaded hole, the two ends of the fixing plate are fixedly provided with first connecting parts used for being attached to the underground continuous wall, and the first connecting parts are fixedly connected with the underground continuous wall through expansion bolts.
As another embodiment of this application, the middle part of fixed plate is that the cross-section is curved arc portion and open end are used for towards underground continuous wall, the support frame still includes the reinforcing plate. The reinforcing plate has the edge two second connecting portions that the central line symmetry of arc portion set up and be located two third connecting portion between the second connecting portion, the second connecting portion are followed the radial setting of arc portion just the both ends of second connecting portion respectively with the internal surface of arc portion and third connecting portion fixed connection, the third connecting portion be used for with underground continuous wall is parallel and be equipped with and be used for the guiding hole that the slip casting pipe passed.
As another embodiment of the application, the plugging device at the water leakage position of the underground diaphragm wall further comprises a connecting pad. The connecting pad with hold tank's bottom end face laminating fixed connection, the one end of slip casting pipe is passed the connecting pad just is located hold tank is interior, the slip casting pipe with the connecting pad and hold tank connection.
As another embodiment of this application, the connecting pad be equipped with at least one with the parallel sliding shaft of slip casting pipe, the middle part of sliding shaft slides and wears to locate in the third connecting portion, the slip casting pipe corresponds the one end that holds the jar has two edges the radial outside convex first spacing portion of slip casting pipe, two first spacing portion is used for laminating from both sides hold the jar with the connecting pad, the slip casting pipe with the connecting pad and hold jar rotation connection.
As another embodiment of this application, filtering component includes first filter block, first filter block with hold jar circumference sealed and fixed connection, first filter block can the separation silt in the seepage aquatic and be used for the slip casting liquid to go into after passing through in underground continuous wall's the hole that leaks.
As another embodiment of this application, first filter block offer with the coaxial injected hole of slip casting pipe, filter assembly still includes slip pipe and second filter block. The laminating of slip pipe middle part is slided and is worn to locate in the slip casting pipe, one end laminating slides and passes the slip casting hole just has seted up a plurality of inlet openings. The second filter block is located in the sliding pipe and with sliding pipe laminating fixed connection, the second filter block is used for laminating all the inlet opening, the second filter block is used for separating silt in the seepage aquatic.
As another embodiment of the application, one end of the grouting pipe is positioned in the grouting hole.
As another embodiment of the application, the leakage stopping device at the water leakage position of the underground continuous wall further comprises a four-way pipe and a closing mechanism. One of them branch of four-way pipe with the slip casting pipe is used for keeping away from the coaxial sealing connection of one end of underground continuous wall, the slip pipe slides and passes two branches of four-way pipe, two other branches of four-way pipe are used for connecting a grouting pump respectively. The sealing mechanisms are two, and when the sliding pipe slides out of the four-way pipe, the two sealing mechanisms can respectively seal the four-way pipe and are used for penetrating through two branches of the sliding pipe.
As another embodiment of the present application, the closure mechanism includes a sealing cartridge, a sealing plug, and a drive post. The sealing barrel is perpendicular to the corresponding branch of the four-way pipe, the middle of the sealing barrel is communicated with the corresponding branch of the four-way pipe, and one end cover of the sealing barrel is provided with a second threaded hole coaxial with the sealing barrel. The sealing plug is arranged in the sealing cylinder in a sliding mode and opens and closes the corresponding branch of the four-way pipe through sliding. The middle part of the driving column penetrates through the second threaded hole and is provided with a second external thread in threaded connection with the second threaded hole, and one end, located in the sealing barrel, of the driving column is fixedly connected with the sealing plug.
The leaking stoppage device for the underground continuous wall water leakage position has the beneficial effects that: compared with the prior art, the leaking stoppage device for the water leakage position of the underground continuous wall, disclosed by the invention, has the advantages that the filter assembly is aligned to the water leakage position of the underground continuous wall, the support frame is fixed on the underground continuous wall, the grouting pipe is rotated to enable the open end of the containing tank to be tightly sealed and pressed against the water leakage position of the underground continuous wall, the filter assembly blocks the silt in the leaked water, the leaked water flows out through the grouting pipe, so that the sand gushing is prevented, the pressure of the water in the water leakage hole is reduced, finally, the grouting pump performs grouting into the grouting pipe, the grouting liquid enters the water leakage hole of the underground continuous wall through the filter assembly, the water leakage opening can be blocked after the grouting liquid is solidified, the solidified grouting liquid is in circumferential contact with the water leakage hole and extends to the deep part of the water leakage hole, the adhesion force between the solidified grouting liquid and the wall body is greater than that between the plugging liquid coated on the wall body and the wall body, namely, the solidified grouting liquid has stronger water pressure resistance, and this device can reduce the pressure of the water in the leak opening, so can avoid current underground continuous wall percolating water department to adopt the leak stoppage spirit leaking stoppage because the great relatively poor problem of leaking stoppage effect that leads to of the water pressure in the leak opening.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic axial view of a plugging device at a water leakage position of an underground diaphragm wall provided in embodiment 1 of the present invention;
fig. 2 is a schematic front view of a plugging device at a water leakage position of an underground diaphragm wall provided in embodiment 2 of the present invention;
FIG. 3 is a schematic cross-sectional view of the portion A in FIG. 2;
fig. 4 is a schematic cross-sectional structural view of a sealing structure in a leakage blocking device at a leakage point of an underground diaphragm wall provided in embodiment 2 of the present invention.
In the figure: 1. a support frame; 11. a fixing plate; 111. an arc-shaped portion; 112. a first connection portion; 12. a reinforcing plate; 121. a second connecting portion; 122. a third connecting portion; 2. a grouting pipe; 21. a first limiting part; 22. a first handle; 3. a holding tank; 31. folding edges; 4. a filter assembly; 41. a first filter block; 411. grouting holes; 42. a sliding tube; 421. a water inlet hole; 43. a second filter block; 5. an expansion bolt; 6. a connecting pad; 61. a sliding shaft; 611. a second limiting part; 7. a four-way pipe; 8. a valve; 9. a sealing mechanism; 91. a sealing cylinder; 92. a sealing plug; 93. a drive column; 931. a second handle.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3 together, the plugging device for the water leakage position of the diaphragm wall according to the present invention will now be described. The leakage stoppage device for the underground diaphragm wall water leakage position comprises a support frame 1, a grouting pipe 2, a containing tank 3 and a filtering component 4. The support frame 1 is provided with a first threaded hole perpendicular to the underground continuous wall and used for being fixedly connected with the underground continuous wall. The middle part of the grouting pipe 2 is penetrated in the first threaded hole and is provided with a first external thread in threaded connection with the first threaded hole, and one end of the grouting pipe far away from the underground diaphragm wall is used for being connected with a grouting pump. Holding tank 3 is connected and is communicate with the other end of slip casting pipe 2, and when slip casting pipe 2 axial displacement, the terminal surface of holding tank 3's open end can seal and compress tightly underground continuous wall's the department that leaks. In the jar 3 is located to filter component 4, with 3 circumference seal of jar and fixed connection hold for the silt of separation seepage aquatic, and in being used for the slip casting liquid to get into underground continuous wall's the hole of leaking through the back.
In this embodiment, the grouting pipe 2 may be connected to a plurality of grouting pumps by a multi-channel pipe, and a valve 8 may be provided on each branch of the multi-channel pipe.
Compared with the prior art, the plugging device for the water leakage position of the underground continuous wall, provided by the invention, has the advantages that the filtering component 4 is aligned to the water leakage position of the underground continuous wall, the supporting frame 1 is fixed on the underground continuous wall, the grouting pipe 2 is rotated to enable the opening end of the containing tank 3 to be tightly pressed against the water leakage position of the underground continuous wall, the filtering component 4 blocks off silt in the leaked water, the leaked water flows out through the grouting pipe 2, so that not only can the sand gushing be prevented, but also the pressure of the water in the water leakage hole can be reduced, finally, the grouting pump performs grouting into the grouting pipe 2, the grouting liquid enters the water leakage hole of the underground continuous wall through the filtering component 4, the water leakage opening can be plugged after the grouting liquid is solidified, the solidified grouting liquid is in circumferential contact with the water leakage hole and extends to the deep part of the water leakage hole, so that the adhesion force of the solidified grouting liquid to the wall body is larger than the adhesion force of a leakage agent coated on the wall body, that is to say that the ability that the slip casting liquid after solidifying resists water pressure is stronger, and this device can reduce the pressure of the water in the leak opening moreover, so can avoid current underground continuous wall percolating water department to adopt the leaking stoppage of leaking stoppage spirit because the great relatively poor problem of leaking stoppage effect that leads to of the water pressure in the leak opening.
Referring to fig. 1 to 2, in order to implement the function of the supporting frame 1, the supporting frame 1 includes a fixing plate 11. The middle part of the fixing plate 11 is used for setting a first threaded hole, the two ends of the fixing plate are fixedly provided with first connecting parts 112 used for being attached to the underground continuous wall, and the first connecting parts 112 are fixedly connected with the underground continuous wall through expansion bolts 5.
As a specific embodiment of the plugging device for the water leakage of the underground continuous wall provided by the present invention, please refer to fig. 2, the middle portion of the fixing plate 11 is an arc-shaped portion 111 with an arc-shaped cross section, and the opening end of the fixing plate is used for facing the underground continuous wall, the supporting frame 1 further comprises a reinforcing plate 12, the reinforcing plate 12 is provided with two second connecting portions 121 symmetrically arranged along the central line of the arc-shaped portion 111 and a third connecting portion 122 located between the two second connecting portions 121, the second connecting portions 121 are arranged along the radial direction of the arc-shaped portion 111, two ends of the second connecting portions 121 are respectively fixedly connected with the inner surface of the arc-shaped portion 111 and the third connecting portion 122, and the third connecting portion 122 is used for being parallel to the underground continuous wall and is provided with a guide hole for the grouting pipe 2 to pass through. The pressure resistance of the arc-shaped portion 111 is strong, and the provision of the reinforcing plate 12 can further strengthen the pressure resistance of the arc-shaped portion 111. The slip casting pipe 2 passes through the guiding hole, so that the stability of the slip casting pipe 2 in the axial moving process can be improved, and the close fit of the opening end of the holding tank 3 and the water leakage position of the underground continuous wall is facilitated.
In this embodiment, arc portion 111 can wear to establish a nut and with nut fixed connection, and first screw hole is the screw hole of this nut, can reduce the degree of difficulty that sets up first screw hole like this, and third connecting portion 122 can wear to establish a fixed column that highly is greater than third connecting portion 122 thickness equally and with this fixed column fixed connection, this fixed column is used for seting up the guiding hole, can further improve slip casting pipe 2 axial displacement's stability like this. The guide hole may be a threaded hole and threadedly coupled to the grout pipe 2, or may be a smooth hole for the grout pipe 2 to slidably pass through.
Referring to fig. 2 to 3, the leakage stoppage device for the underground diaphragm wall leakage water according to the present invention further includes a connection pad 6. The connecting pad 6 is fixedly connected with the end face of the bottom end of the containing tank 3 in an attaching mode, one end of the grouting pipe 2 penetrates through the connecting pad 6 and is located in the containing tank 3, and the grouting pipe 2 is connected with the connecting pad 6 and the containing tank 3. And the connecting pad 6 can increase the strength of the holding tank 3 and prevent the holding tank 3 from deforming or breaking under the pressure of the grouting pipe 2, thereby influencing the close fit of the open end of the holding tank 3 and the water leakage part of the underground continuous wall.
In this embodiment, the open end of the holding tank 3 may be provided with an outward flange 31, so that the contact area between the open end of the holding tank 3 and the water leakage of the underground continuous wall may be increased, that is, the tightness between the open end of the holding tank 3 and the water leakage of the underground continuous wall may be increased. In addition, the material of the holding tank 3 can be hard plastic, so that the processing is convenient.
Referring to fig. 2 to 3, as a specific embodiment of the plugging device for the underground diaphragm wall at the water leakage position, referring to fig. 2 to 3, the connection pad 6 is provided with at least one sliding shaft 61 parallel to the grouting pipe 2, the middle part of the sliding shaft 61 is slidably inserted into the third connecting part 122, one end of the grouting pipe 2 corresponding to the containing tank 3 is provided with two first limiting parts 21 protruding outwards along the radial direction of the grouting pipe 2, the two first limiting parts 21 are used for attaching the containing tank 3 and the connection pad 6 from two sides, and the grouting pipe 2 is rotatably connected with the connection pad 6 and the containing tank 3. In this way, the slip pipe 2 can drive the holding tank 3 to move in the axial direction of the slip pipe 2 by rotation, and the sliding shaft 61 can restrict the holding tank 3 from rotating, thereby preventing the holding tank 3 from generating friction when contacting the underground diaphragm wall.
In this embodiment, one end of the sliding shaft 61 passing through the third connecting portion 122 may be provided with a second stopper portion 611 protruding radially outward, and the second stopper portion 611 serves to prevent the sliding shaft 61 from coming off the third connecting portion 122.
Referring to fig. 1, the filter assembly 4 includes a first filter block 41, the first filter block 41 is circumferentially sealed and fixedly connected to the holding tank 3, and the first filter block 41 is used for blocking silt in the leaked water and allowing grouting liquid to pass through and enter the water leakage hole of the underground diaphragm wall.
In this embodiment, first filter block 41 can adopt the sponge material, and the sponge material can effectively obstruct seepage aquatic silt to can make the slip casting liquid pass through.
Referring to fig. 2 to 3, as a specific embodiment of the plugging device for the underground diaphragm wall leaking water, a first filter block 41 is provided with a grouting hole 411 coaxial with the grouting pipe 2, and the filter assembly 4 further includes a sliding pipe 42 and a second filter block 43. The middle part of the sliding tube 42 is attached to slide through the grouting tube 2, and one end of the sliding tube is attached to slide through the grouting hole 411 and is provided with a plurality of water inlets 421. The second filter block 43 is arranged in the sliding pipe 42 and is fixedly connected with the sliding pipe 42 in an attaching manner, the second filter block 43 is used for attaching all the water inlet holes 421, and the second filter block 43 is used for separating silt in leakage water. Leak the tip that slip casting hole 411 made slip casting hole 411 well through sliding tube 42 and leak the hole, then with this device and underground continuous wall fixed connection again, drive sliding tube 42 outwards slides to predetermineeing the position after at last, and the slip casting is managed 2 to leaking downthehole slip casting of leaking to rethread slip casting, and the slip casting gets into in the hole of leaking through slip casting hole 411, and this kind of setting can make things convenient for the slip casting to flow into in the hole of leaking. The water flowing out of the water leakage hole can enter the sliding pipe 42 from the water inlet hole 421 after being filtered by the first filter block 41, or can directly flow out from the sliding pipe 42 after being filtered by the first filter block 41.
As a specific embodiment of the plugging device for the underground diaphragm wall leaking water according to the present invention, referring to fig. 3, one end of the grouting pipe 2 is located in the grouting hole 411, so that the grouting liquid in the grouting pipe 2 can more easily flow into the grouting hole 411, that is, the grouting liquid can more easily flow into the leaking hole.
In this embodiment, the grouting hole 411 may be a stepped hole.
Referring to fig. 2 and 4, the leakage stoppage device for the underground continuous wall leakage water place further includes a four-way pipe 7 and a closing mechanism 9. One branch of the four-way pipe 7 is coaxially and hermetically connected with one end, away from the underground continuous wall, of the grouting pipe 2, the sliding pipe 42 penetrates through two branches of the four-way pipe 7 in a sliding mode, and the other two branches of the four-way pipe 7 are respectively connected with a grouting pump. The number of the two sealing mechanisms 9 is two, and when the sliding pipe 42 slides out of the four-way pipe 7, the two sealing mechanisms 9 can respectively seal the two branches of the four-way pipe 7, which are used for penetrating through the sliding pipe 42. Double-liquid grouting can be realized by arranging the four-way pipe 7. When the sliding pipe 42 slides out of the four-way pipe 7, the branch of the four-way pipe 7 far away from the underground continuous wall is closed by one of the closing mechanisms 9, and then grouting can be performed in the grouting pipe 2; when grouting is finished, the branch of the four-way pipe 7 close to the underground diaphragm wall is sealed through another sealing mechanism 9, so that grouting liquid in the grouting pipe 2 can be prevented from flowing backwards, grouting quality is guaranteed, the grouting pump can be detached to perform grouting at other places, and utilization efficiency of the grouting pump is improved.
In the embodiment, a valve 8 can be arranged on a branch of the four-way pipe 7 for connecting with a grouting pump, before grouting, the closing mechanism 9 opens the branch of the four-way pipe 7 close to the underground continuous wall, and at the moment, the valve 8 is closed, so that leakage water is prevented from flowing into the grouting pump; after grouting, the closing mechanism 9 closes the branch of the four-way pipe 7 close to the underground continuous wall, and at the moment, the valve 8 is opened to enable grouting liquid in the four-way pipe 7 to flow back, so that resources are saved.
Referring to fig. 2 and 4, as a specific embodiment of the plugging device for the water leakage position of the underground diaphragm wall provided by the present invention, in order to realize the function of the sealing mechanism 9, the sealing mechanism 9 includes a sealing cylinder 91, a sealing plug 92 and a driving column 93. The sealing cylinder 91 is perpendicular to the corresponding branch of the four-way pipe 7, the middle part of the sealing cylinder is communicated with the corresponding branch of the four-way pipe 7, and one end cover of the sealing cylinder 91 is provided with a second threaded hole coaxial with the end cover. The sealing plug 92 is slidably provided in the sealing cylinder 91, and the sealing plug 92 opens and closes the branch of the corresponding four-way pipe 7 by sliding. The middle of the driving column 93 penetrates through the second threaded hole and is provided with a second external thread in threaded connection with the second threaded hole, and one end, located in the sealing barrel 91, of the driving column 93 is fixedly connected with the sealing plug 92. The sealing plug 92 also slidably compresses the tube 42 when the tube 42 is drained to position the tube 42 in place to prevent the tube 42 from slipping out.
In this embodiment, the grouting pipe 2 may be provided with a first handle 22 for driving the grouting pipe 2 to rotate, and the exposed end of the driving column 93 may be provided with a second handle 931 for driving the driving column 93 to rotate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The plugging device of underground continuous wall percolating water department, its characterized in that includes:
the supporting frame is provided with a first threaded hole perpendicular to the underground continuous wall and is used for being fixedly connected with the underground continuous wall;
the middle part of the grouting pipe penetrates through the first threaded hole and is provided with a first external thread in threaded connection with the first threaded hole, and one end, far away from the underground continuous wall, of the grouting pipe is used for being connected with a grouting pump; and
the containing tank is connected and communicated with the other end of the grouting pipe, and when the grouting pipe moves axially, the end face of the opening end of the containing tank can tightly press the water leakage position of the underground continuous wall in a sealing manner; and
the filtering assembly is arranged in the containing tank, is circumferentially sealed and fixedly connected with the containing tank, is used for blocking silt in leaked water, and is used for enabling grouting liquid to pass through and then enter a water leakage hole of the underground continuous wall;
the filter assembly includes:
the first filter block is circumferentially sealed and fixedly connected with the containing tank, and can block silt in leaked water, and the grouting liquid can pass through the first filter block and then enter a water leakage hole of the underground diaphragm wall;
the first filter block is provided with an injection hole coaxial with the injection pipe, and the filter assembly further comprises:
the middle part of the sliding pipe is attached to and slidably arranged in the grouting pipe, and one end of the sliding pipe is attached to and slidably penetrates through the grouting hole and is provided with a plurality of water inlet holes;
the second filter block is located in the sliding pipe and with sliding pipe laminating fixed connection, the second filter block is used for laminating all the inlet opening, the second filter block is used for separating silt in the seepage water.
2. The plugging device for the underground continuous wall leaking water, which is characterized in that the supporting frame comprises:
the middle of the fixing plate is used for arranging the first threaded hole, the two ends of the fixing plate are fixedly provided with first connecting parts used for being attached to the underground continuous wall, and the first connecting parts are fixedly connected with the underground continuous wall through expansion bolts.
3. The apparatus for stopping leakage at the water leakage site of the underground continuous wall as claimed in claim 2, wherein the middle portion of the fixing plate is an arc-shaped portion having an arc-shaped cross-section and an open end for facing the underground continuous wall, the support frame further comprises:
the reinforcing plate has the edge two second connecting portions that the central line symmetry of arc portion set up and be located two third connecting portion between the second connecting portion, the second connecting portion are followed the radial setting of arc portion just the both ends of second connecting portion respectively with the internal surface of arc portion and third connecting portion fixed connection, the third connecting portion be used for with underground continuous wall is parallel and be equipped with and be used for the guiding hole that the slip casting pipe passed.
4. The apparatus for stopping leakage of water leaking from underground diaphragm wall as claimed in claim 3, wherein said apparatus for stopping leakage of water leaking from underground diaphragm wall further comprises:
the connecting pad, with the bottom end face laminating fixed connection who holds the jar, the one end of slip casting pipe is passed the connecting pad just is located hold in the jar, the slip casting pipe with the connecting pad and hold the jar and connect.
5. The leak stopping device for the underground continuous wall at the water leakage position according to claim 4, wherein the connecting pad is provided with at least one sliding shaft parallel to the grouting pipe, the middle part of the sliding shaft is slidably arranged in the third connecting part in a penetrating manner, one end of the grouting pipe corresponding to the containing tank is provided with two first limiting parts protruding outwards along the radial direction of the grouting pipe, the two first limiting parts are used for being attached to the containing tank and the connecting pad from two sides, and the grouting pipe is rotatably connected with the connecting pad and the containing tank.
6. The leak stopping device for the underground continuous wall leaking water, which is characterized in that one end of the grouting pipe is positioned in the grouting hole.
7. The apparatus for stopping leakage of water leaking from underground diaphragm wall as claimed in claim 1, wherein said apparatus for stopping leakage of water leaking from underground diaphragm wall further comprises:
one branch of the four-way pipe is coaxially and hermetically connected with one end, away from the underground continuous wall, of the grouting pipe, the sliding pipe penetrates through the two branches of the four-way pipe in a sliding mode, and the other two branches of the four-way pipe are respectively connected with a grouting pump;
and the two sealing mechanisms are used for respectively sealing the four-way pipe when the sliding pipe slides out of the four-way pipe, and the two sealing mechanisms are used for penetrating through the two branches of the sliding pipe.
8. A leak stopping device for underground diaphragm wall leaking water according to claim 7, wherein the closing mechanism comprises:
the sealing cylinder is perpendicular to the corresponding branch of the four-way pipe, the middle part of the sealing cylinder is communicated with the corresponding branch of the four-way pipe, and one end cover of the sealing cylinder is provided with a second threaded hole coaxial with the sealing cylinder;
the sealing plug is arranged in the sealing cylinder in a sliding manner and opens and closes the corresponding branch of the four-way pipe through sliding;
and the middle part of the driving column penetrates through the second threaded hole and is provided with a second external thread in threaded connection with the second threaded hole, and one end of the driving column, which is positioned in the sealing cylinder, is fixedly connected with the sealing plug.
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| CN202010306101.7A CN111472347B (en) | 2020-04-17 | 2020-04-17 | Leaking stoppage device for underground continuous wall water leakage position |
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| CN202010306101.7A CN111472347B (en) | 2020-04-17 | 2020-04-17 | Leaking stoppage device for underground continuous wall water leakage position |
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| CN112228120B (en) * | 2020-10-14 | 2023-04-28 | 中铁六局集团有限公司 | Quick plugging device for water and sand gushing in complex environment of shield construction |
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| JP2866015B2 (en) * | 1994-12-07 | 1999-03-08 | 重男 長浜 | Water stopping method for concrete underground structures |
| CN104060620B (en) * | 2013-03-20 | 2016-08-10 | 中国二十冶集团有限公司 | Deep basal pit Karst Fissures water controling method |
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| CN206352337U (en) * | 2016-12-26 | 2017-07-25 | 广东东方雨虹防水工程有限公司 | A kind of basement wall and basement for preventing and treating seepage |
| CN108166993B (en) * | 2017-12-21 | 2019-10-11 | 山东大学 | A kind of portable slip casting casing bit and application method suitable for grouting behind shaft or drift lining |
| CN110080311A (en) * | 2019-03-18 | 2019-08-02 | 广西大学 | A kind of method of diaphram wall metope leak stopping |
| CN110409460A (en) * | 2019-08-07 | 2019-11-05 | 上海建工二建集团有限公司 | Temporary plugging device and method applied to foundation pit engineering support structure leakage emergency |
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2020
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