CN114032966A - Underground continuous wall joint water seepage treatment method - Google Patents
Underground continuous wall joint water seepage treatment method Download PDFInfo
- Publication number
- CN114032966A CN114032966A CN202111427951.3A CN202111427951A CN114032966A CN 114032966 A CN114032966 A CN 114032966A CN 202111427951 A CN202111427951 A CN 202111427951A CN 114032966 A CN114032966 A CN 114032966A
- Authority
- CN
- China
- Prior art keywords
- pipe
- grouting
- accommodating cavity
- underground continuous
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- 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
Abstract
The application relates to the technical field of underground continuous wall repair, and provides a method for treating a seam water seepage part of an underground continuous wall. Through the intraductal first chamber and the second that holds that is provided with of slip casting holds the chamber, thereby it is intraductal to make cement and sodium silicate can leave the slip casting respectively, it closes the subassembly with leading to be provided with mixed subassembly in the slip casting pipe, mix first cement and the sodium silicate that hold the intracavity with the second through mixed subassembly, make it form the slip casting body, slip casting pipe and grout outlet pipe intercommunication when the subassembly is closed to the rethread leads to, make the slip casting body can flow into grout outlet pipe and flow into the gap through grout outlet, this application need not through the setting time of control cement and sodium silicate ratio extension slip casting body, the effect in the infiltration gap that makes the timely shutoff underground continuous wall of slip casting body has.
Description
Technical Field
The application relates to the technical field of underground continuous wall water seepage repair, in particular to a method for treating seam water seepage of an underground continuous wall.
Background
When an underground building is built, in order to reduce the influence of underground water erosion in the later construction process, an underground diaphragm wall and other water stop structures are usually required to be built. The underground continuous wall is influenced by aspects such as construction quality in the construction process, gaps usually exist at the joints, underground water enters the inner side of the underground continuous wall through the gaps, hidden mounting hazards are brought to subsequent construction, and therefore grouting and plugging are usually needed to be carried out on water seepage positions.
The problem of underground diaphragm wall water leakage is solved by adopting a double-liquid grouting method at present. After cement and water glass are mixed, calcium chloride in the cement and the water glass are subjected to chemical reaction to generate a grouting body (the main components are silica gel and calcium silicate gel) with high condensation speed and high strength, and the grouting body is used for plugging gaps. When the gap is plugged, a grouting pipe is usually inserted into the gap, cement and water glass are mixed and blended outside to form grouting body, then the grouting body is introduced into the grouting pipe, and the grouting body is injected into the gap through the grouting pipe, so that the leakage stoppage of the water seepage part of the underground diaphragm wall is realized.
With respect to the above-described related art, the inventors consider that the following drawbacks exist: after cement and water glass are mixed to form a grouting body, the setting time of the grouting body is short, so that the preservation time of the grouting body is limited, at present, in order to slow down the setting of the grouting body, the proportion of the water glass and the cement needs to be controlled generally, the setting time of the grouting body is prolonged, however, the grouting body cannot be set in time after being injected into a gap, the gap at the water seepage position of the underground continuous wall is blocked in time, and therefore, an improvement space exists.
Disclosure of Invention
In order to timely plug gaps at the water seepage position of the underground continuous wall through the timely grouting body, the application provides a method for treating the water seepage of the joint of the underground continuous wall.
The application provides a groundwater continuous wall seam infiltration processing method, adopts following technical scheme:
a water seepage treatment method for joints of underground continuous walls comprises the following steps:
s1: the prefabricated mounting plate is obliquely provided with a grouting pipe in a penetrating way; a first accommodating cavity and a second accommodating cavity are arranged in the grouting pipe, a mixing assembly is further arranged in the grouting pipe and used for mixing the grout in the first accommodating cavity and the grout in the second accommodating cavity, the inclined lower end of the grouting pipe is further coaxially communicated with a grout outlet pipe, and the grout outlet pipe is provided with a plurality of discharge holes; one end of the grouting pipe close to the grout outlet pipe is also provided with a closing and opening component for closing and opening the grouting pipe;
s2: picking and chiseling to clean the water seepage part of the underground diaphragm wall, and blowing out impurities in the gap by adopting a high-pressure air gun;
s3: respectively injecting cement and water glass into the first accommodating cavity and the second accommodating cavity;
s4: covering and fixing the mounting plate on the water seepage gap of the underground continuous wall;
s5: the grouting pipe penetrates the mounting plate in an inclined mode and is further inserted into the deep part of the gap;
s6: mixing cement in the first accommodating cavity and water glass in the second accommodating cavity through a mixing assembly to form a grouting body;
s7: opening the opening and closing assembly to enable the mixed grouting body to flow to the grout outlet pipe by utilizing the self gravity and flow into the gap through the discharge hole;
s8: and removing the grouting pipe from the mounting plate.
By adopting the technical scheme, when the gap is filled, cement and water glass can be firstly stored in the first containing cavity and the second containing cavity respectively, the cement in the first containing cavity and the water glass in the second containing cavity are mixed to form grouting body through the mixing component after the grouting pipe is inserted into the deep part of the gap, then the opening and closing component is opened to communicate the grouting pipe with the slurry outlet pipe, so that the grouting body formed by mixing the cement in the grouting pipe can flow into the slurry outlet pipe and then flows out to the gap of the underground continuous wall through the slurry outlet hole on the slurry outlet pipe, compared with a mode of prolonging the gelation time of the grouting body by controlling the proportion, the application does not need to prolong the coagulation time of the grouting body by controlling the proportion of the water glass and the cement, can directly configure the grouting body according to the normal proportion, so that the grouting body can be timely solidified when flowing into the gap, further realize the plugging of the gap, and is favorable for improving the efficiency of plugging the underground continuous wall, the water seepage gap can be blocked in time, the construction period can be shortened, and the construction cost can be saved.
Preferably, the mixing assembly comprises a partition member arranged in an inner cavity of the grouting pipe, and the first accommodating cavity and the second accommodating cavity are formed by separating the partition member; the partition plate comprises a supporting pipe coaxially rotatably erected in the grouting pipe and a plurality of flexible plates arranged on two opposite sides of the supporting pipe, the supporting pipe and the flexible plates form a plate-shaped structure, and the mixing assembly further comprises a plurality of convex rods protruding from the inner wall of the grouting pipe.
By adopting the technical scheme, the partition plate is formed by the supporting tube and the flexible plates, so that the inner cavity of the grouting tube can be respectively divided into the first accommodating cavity and the second accommodating cavity, the grouting tube is convenient to be filled with cement and water glass respectively, when the cement and the water glass need to be mixed, the supporting tube is rotated to drive the flexible plates to rotate around the axis of the supporting tube, and when the flexible plates swing to be abutted against the convex rods, the flexible plates are stressed and bent, so that the first accommodating cavity is communicated with the second accommodating cavity, the water glass and the cement can be mixed together, and a grouting body is formed; meanwhile, the convex rod and the bent flexible plate are utilized, so that cement and water glass can be stirred better, and the forming of a grouting body is facilitated.
Preferably, one end of the grouting pipe, which is far away from the grout outlet pipe, is detachably connected with a cover plate; the pipe diameter of the slurry outlet pipe is gradually reduced towards the direction far away from the slurry outlet pipe, the closing assembly comprises a sealing plate arranged at one end of the slurry outlet pipe close to the slurry outlet pipe, the sealing plate is provided with a discharge hole, one side of the sealing plate far away from the partition plate is provided with a flexible sealing plate, and the flexible sealing plate is used for plugging the discharge hole; the outer diameter of the flexible sealing plate is smaller than the inner diameter of one end, close to the grouting pipe, of the grout outlet pipe, a driving rod is vertically arranged on one side, facing the partition plate, of the flexible sealing plate, the driving rod penetrates through the sealing plate, the supporting pipe and the driving rod in sequence, one end of the driving rod, far away from the flexible sealing plate, of the threaded rod penetrates through the cover plate, and the driving rod is provided with a driving assembly for driving the supporting pipe to rotate.
By adopting the technical scheme, the driving rod can be axially moved by rotating the driving rod so as to drive the flexible seal to be close to or far away from the sealing plate, and the opening and closing of the discharge hole are realized; the outer diameter of the flexible sealing plate is smaller than the inner diameter of one end, close to the grouting pipe, of the grout outlet pipe, so that after the flexible sealing plate leaves the sealing plate, the grouting body can flow into the grout outlet pipe from a gap between the flexible sealing plate and the grout outlet pipe. When the stirred grouting body needs to be led into the grout outlet pipe, the driving rod is driven to axially slide by rotating the driving rod so as to drive the flexible sealing plate to leave the partition plate, so that the grouting body mixed in the grouting pipe can flow into the grout outlet pipe through a gap between the outer diameter of the flexible sealing plate and the inner diameter of the grout outlet pipe. After the grout body flowed into out the thick liquid pipe completely, order about flexible closing plate through the actuating lever and further move towards out the thick liquid pipe, until the flexonics board periphery side with go out thick liquid pipe inner wall butt, still usable flexible closing plate will go out the intraductal grout body of thick liquid and extrude outside the grout outlet better for the grout body can be faster through discharge opening outflow gap.
Preferably, the driving assembly comprises two groups of opposite limiting blocks arranged on the inner wall of the supporting pipe, the outer wall of the driving rod is provided with two groups of limiting grooves, the length direction of the limiting grooves is parallel to the length direction of the driving rod, and the top ends of the limiting grooves are open; and the two groups of limiting blocks are respectively clamped in the two groups of limiting grooves in a sliding manner.
By adopting the technical scheme, when cement and water glass are required to be mixed, the driving rod is rotated, and the driving rod rotates and simultaneously drives the supporting tube to rotate, so that the flexible plate can be abutted against the convex rod and bent, and the cement and the water glass can be mixed to form a grouting body; the mixing of the grouting body is simpler and more convenient; simultaneously, utilize stopper and spacing groove slip joint, still can make the actuating lever carry out axial displacement with the stay tube relatively, be convenient for order about the actuating lever and then axial displacement through the initiative actuating lever, and then drive flexible sealing plate and keep away from the closing plate or with the closing plate butt to realize opening and sealing of closing plate upper discharge gate.
Preferably, the connecting line direction between the two limiting blocks relative to the supporting tube is perpendicular to the connecting line direction of the flexible plates on the two sides relative to the supporting tube, and the inner wall of the supporting tube is further provided with a clamping groove for embedding the limiting blocks.
Through adopting above-mentioned technical scheme, make the stopper can dismantle to be connected in the stay tube, the stopper is changed to the accessible, make two sets of stopper thickness different, and then make two sets of stoppers slide respectively behind two sets of spacing grooves of joint and actuating lever, stay tube and actuating lever eccentric settings, realize the change of partition plate spare position in the slip casting pipe, and then the first size that holds chamber or second and hold the chamber, be convenient for hold the size in chamber and second and control cement and water glass's capacity through changing, the regulation of slip casting body ratio is realized to the capacity through control cement and water glass.
Preferably, the mounting plate is provided with a through hole for the grouting pipe to penetrate through, an internal thread is arranged on the inner periphery of the through hole, and a self-tapping external thread matched with the internal thread is arranged on the outer periphery of the supporting pipe.
Through adopting above-mentioned technical scheme, during the installation slip casting pipe, with the perforation on the slip casting pipe screw in mounting panel, utilize self tapping external screw thread and internal thread to cooperate for can make the slip casting pipe take place axial displacement when rotating the slip casting pipe, make the slip casting pipe can insert to the gap depths with the pivoted state, be favorable to the slip casting pipe to insert to the gap depths better.
Preferably, adjacent flexible panels on the same side of the support tube are stacked on top of each other.
Through adopting above-mentioned technical scheme, be favorable to improving the leakproofness of partition plate spare for the thick liquid of first holding the intracavity is difficult for permeating to the second through the gap between the adjacent flexbile plate and holds the intracavity.
Preferably, the periphery of the end, far away from the grout outlet pipe, of the grouting pipe is vertically communicated with two groups of feeding pipes, and the two groups of feeding pipes are respectively positioned on two opposite sides of the supporting pipe.
By adopting the technical scheme, the supporting tube is rotated to separate the plate part in advance, so that the first accommodating cavity and the second accommodating cavity are respectively communicated with the two groups of feeding tubes, and cement and water glass can be injected into the grouting tube without opening the cover plate; simultaneously, when will slip casting pipe screw in on the mounting panel, the accessible holds two sets of inlet pipes and carries out the rotation of slip casting pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. a first accommodating cavity and a second accommodating cavity are arranged in the grouting pipe, a mixing assembly is further arranged in the main grouting pipe, cement and water glass are respectively filled in the first accommodating cavity and the second accommodating cavity, and the cement and the water glass are mixed through the mixing assembly to form grouting body during grouting; the grouting body can be manufactured in real time during grouting, the condition that the grouting body is prevented from being solidified in advance and the solidification time of the grouting body is prolonged by controlling the proportion is reduced, and the grouting body can be configured through normal proportion; the opening and closing assembly is arranged at one end, close to the grout outlet pipe, of the grouting pipe, and after the grouting bodies are mixed, the grouting pipe is communicated with the grout outlet pipe through the opening and closing assembly, so that the grouting bodies can smoothly flow into the grout outlet pipe;
2. the mixing component comprises a partition plate part, the partition plate part comprises a supporting pipe and a plurality of flexible plates arranged on two opposite sides of the supporting pipe, and the partition plate part is utilized to divide the inner cavity of the grouting pipe into a first accommodating cavity and a second accommodating cavity, so that water glass and cement can be conveniently stored separately; still wrap a plurality of archs of the inner wall that the piece protrusion set up the slip casting pipe through mixing the subassembly, rotate through ordering about the stay tube, drive the flexbile plate and buckle with protruding butt and order about the flexbile plate to make the first cement that holds the chamber and the water glass that the second held the chamber can mix and form the slip casting body.
Drawings
Fig. 1 is a schematic structural diagram for illustrating grouting of a grouting pipe according to an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating an internal structure of a grouting pipe according to an embodiment of the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Description of reference numerals:
1. an underground diaphragm wall; 10. a gap; 2. a grouting pipe; 21. a cover plate; 22. a feed pipe; 23. a first accommodating chamber; 24. a second accommodating chamber; 3. a pulp outlet pipe; 31. a slurry outlet; 4. mounting a plate; 41. perforating; 5. a mixing assembly; 51. a partition member; 511. supporting a tube; 512. a flexible board; 52. a nose bar; 6. an opening and closing component; 61. a sealing plate; 62. a discharge port; 63. a flexible closure plate; 64. a drive rod; 65. a limiting block; 651. a clamping groove; 66. a limiting groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a method for treating water seepage of joints of underground continuous walls, which comprises the following steps with reference to fig. 1 and 2:
s1: the prefabricated mounting plate 4 and the mounting plate 4 are obliquely and downwards provided with the grouting pipes 2 in a penetrating way; the grouting body can flow downwards by utilizing the self gravity.
Referring to fig. 1 and 2, the independent first chamber 23 and the second chamber 24 that holds are provided with in the slip casting pipe 2, still be provided with in the slip casting pipe 2 and be used for mixing the first mixed subassembly 5 that holds both thick liquids in chamber 23 and the second chamber 24 that holds, the coaxial intercommunication of slip casting pipe 2 slope lower extreme has out thick liquid pipe 3, and the pipe diameter orientation of out thick liquid pipe 3 reduces gradually far away from slip casting pipe 2. One end of the grout outlet pipe 3, which is far away from the grouting pipe 2, is provided with a plurality of grout outlet holes 31; one end of the grouting pipe 2 close to the grout outlet pipe 3 is also provided with a closing and opening component 6 for closing and opening the grouting pipe 2;
referring to fig. 1 and 2, the one end opening setting of grout pipe 3 is kept away from to slip casting pipe 2, and the intercommunication that still can be dismantled to the one end that grout pipe 2 kept away from grout pipe 3 has apron 21, and apron 21 is provided with the annular arch towards one side of slip casting pipe 2, and the annular arch screw sleeve connects in slip casting pipe 2 periphery, and the dismouting of the apron 21 of being convenient for is in slip casting pipe 2.
Referring to fig. 1 and 2, the mixing assembly 5 includes a partition 51 disposed in the inner cavity of the grouting pipe 2, and the partition 51 divides the inner cavity of the grouting pipe 2 into a first accommodating cavity 23 and a second accommodating cavity 24 which are independent. The partition plate member 51 comprises a supporting pipe 511 coaxially and rotatably erected in the grouting pipe 2, a plurality of flexible plates 512 are fixed on two opposite sides of the supporting pipe 511, and the supporting pipe 511 and the plurality of flexible plates 512 on two opposite sides of the supporting pipe 511 form a plate-shaped structure; in this embodiment, the flexible plates 512 are rubber plates, one end of the flexible plate 512 away from the support pipe 511 abuts against the inner wall of the grouting pipe 2, and adjacent flexible plates 512 located on the same side of the support pipe 511 are stacked one another, so that the slurry in the first accommodating cavity 23 and the second accommodating cavity 24 is not easy to seep out through the gap 10 between the adjacent flexible plates 512, and the sealing performance of the partition plate member 51 is maintained.
Referring to fig. 1 and 2, the mixing assembly 5 further includes a plurality of protruding rods 52 protruding from the inner wall of the grouting pipe 2, and through the above arrangement, when the grout in the first accommodating cavity 23 and the second accommodating cavity 24 needs to be mixed, the supporting pipe 511 is rotated, the supporting pipe 511 drives the flexible plate 512 to rotate around the axis of the supporting pipe 511, and the flexible plate 512 collides with the protruding rods 52 and bends during the rotation process, so that the grout in the first accommodating cavity 23 and the grout in the second accommodating cavity 24 can be mixed with each other; meanwhile, the bent flexible plate 512 and the protruding rod 52 are beneficial to improving the stirring effect of the slurry in the grouting pipe 2 and are beneficial to more uniform stirring of the slurry.
Referring to fig. 1 and 2, the outer wall of the end of the grouting pipe 2 away from the grout outlet pipe 3 is also vertically communicated with two sets of feed pipes 22, and the two sets of feed pipes 22 are respectively communicated with a first accommodating cavity 23 and a second accommodating cavity 24. Through setting up two sets of inlet pipes 22, when need add cement and sodium silicate in slip casting pipe 2, rotate stay tube 511 and make first chamber 23 and the second chamber 24 intercommunication that holds, alright will pour into cement and sodium silicate respectively through two sets of slip casting pipes 2 into first chamber 23 and the second chamber 24 that holds and save respectively.
Referring to fig. 2 and 3, the opening and closing assembly 6 includes a sealing plate 61 fixed at one end of the grouting pipe 2 close to the slurry outlet pipe 3, the sealing plate 61 is provided with a plurality of discharge ports 62, and the discharge ports 62 are used for allowing slurry to flow into the slurry outlet pipe 3. A flexible closing plate 63 is arranged on one side of the sealing plate 61 facing the pulp outlet pipe 3, and in the embodiment, the flexible sealing plate 61 is a rubber plate; the flexible sealing plate 63 is used for sealing the plurality of discharge holes 62; the outer diameter of the flexible closing plate 63 is smaller than the inner diameter of one end of the slurry outlet pipe 3 close to the grouting pipe 2; when the flexible closing plate 63 is separated from the sealing plate 61, the grouting material can flow into the slurry outlet pipe 3 from the gap 10 between the flexible closing plate 63 and the slurry outlet pipe 3.
Referring to fig. 3 and 4, a driving rod 64 is vertically fixed on one side of the flexible closing plate 63 close to the sealing plate 61, one end of the driving rod 64 far away from the sealing plate 61 sequentially penetrates through the sealing plate 61 and the supporting tube 511, one end of the driving rod 64 far away from the flexible closing plate 63 is threaded outside the cover plate 21, and the axis of the driving rod 64 coincides with the axis of the grouting pipe 2. Through the above arrangement, the driving rod 64 can be driven to move axially by rotating the driving rod 64, so that the flexible sealing plate 63 is driven to abut against the sealing plate 61 or be far away from the sealing plate 61, and the discharge port 62 is closed. The mixed grouting body in the grouting pipe 2 can conveniently flow into the grout outlet pipe 3 through the discharge hole 62; the driving rod 64 can also drive the flexible sealing plate 63 to move continuously in the direction away from the sealing plate 61 until the outer periphery of the flexible sealing plate 63 abuts against the inner periphery of the slurry outlet pipe 3, and the flexible sealing plate 61 is used for extruding the slurry in the slurry outlet pipe 3 out of the slurry outlet hole 31, so that the injection speed of the grouting body into the gap 10 is increased.
Referring to fig. 2 and 4, the driving rod 64 is provided with a driving assembly for driving the supporting tube 511 to rotate, the driving assembly includes two sets of limiting blocks 65 arranged on the inner wall of the supporting tube 511, and the two sets of limiting blocks 65 are symmetrically arranged opposite to each other about the axis of the supporting tube 511; the length direction of the limiting block 65 is parallel to the axial direction of the support tube 511, two sets of opposite limiting grooves 66 are formed in the outer wall of the drive rod 64, the length direction of the limiting grooves 66 is parallel to the axial direction of the drive rod 64, and the top ends of the limiting grooves 66 are both provided with openings; a space is reserved between the bottom end of the limiting groove 66 and one side of the sealing plate 61, which is far away from the slurry outlet pipe 3; the two sets of limiting blocks 65 are respectively clamped in the two sets of limiting grooves 66 in a sliding manner. Through the arrangement, the support pipe 511 can be driven to rotate while the drive rod 64 rotates, so that the mixing of cement and water glass is realized; meanwhile, the driving rod 64 can axially move relative to the supporting tube 511 while rotating, so that the flexible sealing plate 63 is driven to be close to or far away from the sealing plate 61 better, and the opening and the closing of the discharge hole 62 are realized. When the driving rod 64 rotates to drive the flexible closing plate 63 to abut against one side, facing the discharge pipe, of the sealing plate 61, the first accommodating cavity 23 and the second accommodating cavity 24 are respectively communicated with the two groups of feed pipes 22.
Referring to fig. 2 and 4, the connection line direction of the two stoppers 65 in the support tube 511 is perpendicular to the connection line direction of the flexible plates 512 at the two opposite sides of the support tube 511, the inner wall of the support tube 511 is further provided with two sets of clamping grooves 651 for the stoppers 65 to be embedded in, the two sets of stoppers 65 are respectively embedded into the two sets of clamping grooves 651, through the above arrangement, the thicknesses of the two sets of stoppers 65 are different by replacing the stoppers 65, so that the support tube 511 and the driving rod 64 are eccentrically arranged, the position of the partition plate member 51 in the support tube 511 is changed, the volumes of the first accommodating cavity 23 and the second accommodating cavity 24 are changed, the volume of cement and water glass is conveniently controlled through the change of the volumes of the first accommodating cavity 23 and the second accommodating cavity 24, and the ratio of the water glass and the cement is adjusted.
Referring to fig. 1 and 2, self-tapping external threads are formed on the peripheries of the grouting pipe 2 and the grout outlet pipe 3, internal threads matched with the self-tapping external threads are formed in the through holes 41, and the grouting pipe 2 can be arranged on the mounting plate 4 in a threaded manner through the arrangement; simultaneously, during installation slip casting pipe 2, with the perforation 41 on slip casting pipe 2 screw in mounting panel 4, rotate slip casting pipe 2 and make slip casting pipe 2 can carry out axial displacement to make 2 limits of slip casting pipe rotate the limit and remove towards the crack depths, utilize self tapping external screw thread in addition the rotation of slip casting pipe 2 self, the slip casting pipe 2 of being convenient for inserts to the 10 depths in gap better.
S2: picking and chiseling to clean the water seepage part of the underground diaphragm wall, and blowing out impurities in the gap 10 by adopting a high-pressure air gun; cleaning the high-pressure air gun until no foreign objects overflow from the gap 10;
s3: cement and water glass are respectively injected into the first accommodating cavity 23 and the second accommodating cavity 24; the specific operation is as follows:
s3.1: the driving rod 64 is rotated, and the supporting tube 511 is driven by the driving rod 64 to rotate, so that the partition plate member 51 is rotated until the two groups of feeding tubes 22 are respectively communicated with the first accommodating cavity 23 and the second accommodating cavity 24.
S3.2: the cement and the water glass are respectively led into the first accommodating cavity 23 and the second accommodating cavity 24 through the two groups of feeding pipes 22.
S4: covering and fixing the mounting plate 4 on the water seepage gap 10 of the underground diaphragm wall 1; the mounting plate 4 can be fixed on the underground continuous wall 1 through an anchoring bolt, and the mounting plate 4 is adjusted according to the position of the gap 10 during mounting, so that the through hole 41 on the mounting plate 4 is opposite to the water seepage gap 10;
s5: the grouting pipe 2 is obliquely penetrated into the mounting plate 4 and is further inserted into the deep of the gap 10; during installation, the grouting pipe 2 is screwed into the through hole 41 on the mounting plate 4, and the grouting pipe 2 is rotated by holding the two groups of feeding pipes 22 until the grouting pipe 2 is inserted into the water seepage gap 10.
S6: mixing the cement in the first accommodating cavity 23 and the water glass in the second accommodating cavity 24 through the mixing assembly 5 to form a grouting body; during mixing, the driving rod 64 is repeatedly rotated, so that the driving rod 64 drives the supporting pipe 511 to rotate, when the flexible plate 512 on the supporting pipe 511 swings to abut against the convex rod 52, the flexible plate 512 is stressed to bend, and cement in the first accommodating cavity 23 and cement in the second accommodating cavity 24 can be mixed to form a grouting body.
S7: opening the opening and closing assembly 6 to enable the mixed grouting body to flow to the grout outlet pipe 3 by utilizing the self gravity and flow into the gap 10 through the discharge hole; during operation, the driving rod 64 is rotated towards the direction that the driving rod 64 is driven to move towards the grout outlet pipe 3, so that the driving rod 64 drives the flexible sealing plate 63 to leave the sealing plate 61, the grout mixed in the grout outlet pipe 2 flows out of the grout outlet pipe 2 through the discharge hole 62, flows into the grout outlet pipe 3 through the gap 10 between the flexible sealing plate 63 and the grout outlet pipe 3, and flows out of the water seepage gap 10 through the grout outlet hole 31 in the grout outlet pipe 3, and the blockage of the gap 10 is realized.
S8: the grout tube 2 is removed from the mounting plate 4. During removal, the grouting pipes 2 are driven to rotate by holding the two groups of feeding pipes 22 and applying force until the grouting pipes 2 are screwed out of the mounting plate 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an underground continuous wall seam infiltration processing method which characterized in that: the method comprises the following steps:
s1: the mounting plate (4) is prefabricated, and the grouting pipe (2) is obliquely arranged in the mounting plate (4) in a penetrating manner; a first accommodating cavity (23) and a second accommodating cavity (24) are arranged in the grouting pipe (2), a mixing component (5) is further arranged in the grouting pipe (2), the mixing component (5) is used for mixing slurry in the first accommodating cavity (23) and the second accommodating cavity (24), the inclined lower end of the grouting pipe (2) is further coaxially communicated with a slurry outlet pipe (3), and the slurry outlet pipe (3) is provided with a plurality of slurry outlet holes (31); one end of the grouting pipe (2) close to the grout outlet pipe (3) is also provided with a closing and opening component (6) for closing and opening the grouting pipe (2);
s2: picking and chiseling to clean the water seepage part of the underground continuous wall (1), and blowing out impurities in the gap (10) by adopting a high-pressure air gun;
s3: cement and water glass are respectively injected into the first accommodating cavity (23) and the second accommodating cavity (24);
s4: covering and fixing the mounting plate (4) on a water seepage gap (10) of the underground continuous wall (1);
s5: the grouting pipe (2) penetrates the mounting plate (4) in an inclined mode and is further inserted into the deep part of the gap (10);
s6: mixing cement in the first accommodating cavity (23) with water glass in the second accommodating cavity (24) through a mixing assembly (5) to form a grouting body;
s7: opening the opening and closing assembly (6) to enable the mixed grouting body to flow to the grout outlet pipe (3) by utilizing the self gravity and flow into the gap (10) through the discharge hole;
s8: and removing the grouting pipe (2) from the mounting plate (4).
2. The method for treating the seepage of the joints of the underground continuous walls according to claim 1, wherein: the mixing assembly (5) comprises a partition plate piece (51) arranged in the inner cavity of the grouting pipe (2), and the first accommodating cavity (23) and the second accommodating cavity (24) are formed by separating the partition plate piece (51); the partition plate component (51) comprises a supporting pipe (511) coaxially and rotatably erected in the grouting pipe (2) and a plurality of flexible plates (512) arranged on two opposite sides of the supporting pipe (511), the supporting pipe (511) and the flexible plates (512) form a plate-shaped structure, and the mixing component (5) further comprises a plurality of convex rods (52) convexly arranged on the inner wall of the grouting pipe (2).
3. The method for treating the seepage of the joints of the underground continuous walls according to claim 2, wherein: one end of the grouting pipe (2) far away from the grout outlet pipe (3) is detachably connected with a cover plate (21); the pipe diameter of the slurry outlet pipe (3) is gradually reduced towards the direction far away from the slurry outlet pipe (2), the opening and closing assembly (6) comprises a sealing plate (61) arranged at one end, close to the slurry outlet pipe (3), of the slurry outlet pipe (2), a discharge hole (62) is formed in the sealing plate (61), a flexible sealing plate (63) is arranged on one side, away from the partition plate, of the sealing plate (61), and the flexible sealing plate (63) is used for plugging the discharge hole (62); the outer diameter of the flexible sealing plate (63) is smaller than the inner diameter of one end, close to the grouting pipe (2), of the grout outlet pipe (3), a driving rod (64) is vertically arranged on one side, facing the partition plate, of the flexible sealing plate (63), the driving rod (64) sequentially penetrates through the sealing plate (61) and the supporting pipe (511), and a thread of one end, far away from the flexible sealing plate (63), of the driving rod (64) penetrates through the cover plate (21); the driving rod (64) is provided with a driving component for driving the supporting tube (511) to rotate.
4. The method for treating the seepage of the joints of the underground continuous walls, according to claim 3, is characterized in that: the driving assembly comprises two groups of opposite limiting blocks (65) arranged on the inner wall of the supporting pipe (511), two groups of limiting grooves (66) are formed in the outer wall of the driving rod (64), the length direction of each limiting groove (66) is parallel to the length direction of the driving rod (64), and the top ends of the limiting grooves (66) are open; the two groups of limiting blocks (65) are respectively clamped in the two groups of limiting grooves (66) in a sliding manner.
5. The method for treating the seepage of the joints of the underground continuous walls, according to claim 4, is characterized in that: the connecting line direction between the two limiting blocks (65) opposite to the supporting tube (511) is vertical to the connecting line direction of the flexible plates (512) at two opposite sides of the supporting tube (511), and the inner wall of the supporting tube (511) is also provided with a clamping groove (651) for the limiting blocks (65) to be embedded into.
6. The method for treating the seepage of the joints of the underground continuous walls according to claim 2, wherein: the mounting plate (4) is provided with a through hole (41) for the grouting pipe (2) to penetrate through, an internal thread is arranged on the inner periphery of the through hole (41), and a self-tapping external thread matched with the internal thread is arranged on the outer periphery of the supporting pipe (511).
7. The method for treating the seepage of the joints of the underground continuous walls according to claim 2, wherein: the adjacent flexible plates (512) positioned on the same side of the support tube (511) are stacked on top of each other.
8. The method for treating the seepage of the joints of the underground continuous walls according to claim 1, wherein: the periphery of the end, far away from the grout outlet pipe (3), of the grouting pipe (2) is vertically communicated with two groups of feeding pipes (22), and the two groups of feeding pipes (22) are respectively located on two opposite sides of the supporting pipe (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427951.3A CN114032966B (en) | 2021-11-27 | 2021-11-27 | Underground continuous wall joint water seepage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427951.3A CN114032966B (en) | 2021-11-27 | 2021-11-27 | Underground continuous wall joint water seepage treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114032966A true CN114032966A (en) | 2022-02-11 |
| CN114032966B CN114032966B (en) | 2022-08-30 |
Family
ID=80139018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427951.3A Active CN114032966B (en) | 2021-11-27 | 2021-11-27 | Underground continuous wall joint water seepage treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114032966B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0681337A (en) * | 1992-09-04 | 1994-03-22 | Nitto Chem Ind Co Ltd | Injection metod using carbonic acid group |
| CN104314106A (en) * | 2014-11-12 | 2015-01-28 | 云南建工集团有限公司 | Underground diaphragm wall with joint water stop and filling vacancy structure and construction method thereof |
| CN105317396A (en) * | 2015-10-13 | 2016-02-10 | 山东大学 | Mixing device for grout in inlet well at ground and application method thereof |
| CN208472701U (en) * | 2018-06-06 | 2019-02-05 | 国电大渡河大岗山水电开发有限公司 | A kind of cement and water-glass double-liquid grouting device |
| CN214363657U (en) * | 2021-02-02 | 2021-10-08 | 甘肃省水利水电勘测设计研究院有限责任公司 | Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch |
| CN113529721A (en) * | 2021-07-15 | 2021-10-22 | 中国海洋大学 | Combined drilling and grouting pipe for grouting reinforcement of island reef weak stratum and construction method |
-
2021
- 2021-11-27 CN CN202111427951.3A patent/CN114032966B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0681337A (en) * | 1992-09-04 | 1994-03-22 | Nitto Chem Ind Co Ltd | Injection metod using carbonic acid group |
| CN104314106A (en) * | 2014-11-12 | 2015-01-28 | 云南建工集团有限公司 | Underground diaphragm wall with joint water stop and filling vacancy structure and construction method thereof |
| CN105317396A (en) * | 2015-10-13 | 2016-02-10 | 山东大学 | Mixing device for grout in inlet well at ground and application method thereof |
| CN208472701U (en) * | 2018-06-06 | 2019-02-05 | 国电大渡河大岗山水电开发有限公司 | A kind of cement and water-glass double-liquid grouting device |
| CN214363657U (en) * | 2021-02-02 | 2021-10-08 | 甘肃省水利水电勘测设计研究院有限责任公司 | Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch |
| CN113529721A (en) * | 2021-07-15 | 2021-10-22 | 中国海洋大学 | Combined drilling and grouting pipe for grouting reinforcement of island reef weak stratum and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114032966B (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021228004A1 (en) | Water jet technology-based anchor cable self-drilling and rapid anchoring construction method | |
| RU2480329C2 (en) | Device to make thread from pasty material | |
| CN108397180A (en) | Underground coal mine hydraulic fracturing high pressure sealing continuously adds aggregate system and method | |
| CN114032966B (en) | Underground continuous wall joint water seepage treatment method | |
| CN108189234B (en) | Grouting filling rapid pulping device and method | |
| KR101754206B1 (en) | Grouting apparatus with improved injection performance and grouting method using the same | |
| CN113062480A (en) | Concrete crack prevention of seepage leaking stoppage cementer | |
| CN109797983B (en) | Building crack treatment equipment and construction method thereof | |
| CN108327079A (en) | A kind of research work of air entrained type stirring exhaust apparatus | |
| CN209920175U (en) | Double-liquid grouting equipment | |
| CN204976997U (en) | Slip casting device and prefabricated component battery mould | |
| CN214660172U (en) | Intelligent grouting device suitable for synchronous grouting and pressure flow linkage of shield tunnel | |
| CN101439323B (en) | Material feeder in molecular sieve filling machine | |
| CN209352836U (en) | A kind of defoaming agent dosing system | |
| CN201665813U (en) | Spraying device of cold regenerator | |
| CN107443559B (en) | Cellular concrete wallboard tinuous production | |
| CN207332826U (en) | A kind of sleeve valve grouting device for becoming grouting serous fluid denseness | |
| CN205818162U (en) | Full-automatic foaming concrete grouting machine slip casting bucket | |
| CN206144516U (en) | Add futilely muddy thick liquid grouting for water blocking device of aggregate outside strong super high water material hole in water -bearing stratum | |
| SU1262051A1 (en) | Method of consolidating rocks | |
| CN201141314Y (en) | Water sealing combined enclosed structure of mine tunnel | |
| CN219855177U (en) | Concrete distributing device | |
| CN220487510U (en) | Double-pipeline drilling grouting drill rod | |
| CN204412166U (en) | For the polymer closed mixer in Polymer Flooding | |
| CN113775058B (en) | Prefabricated wallboard of assembled and precast beam connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |