CN114032882A - Prefabricated underground continuous wall and sectional joint structure - Google Patents
Prefabricated underground continuous wall and sectional joint structure Download PDFInfo
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- CN114032882A CN114032882A CN202111397415.3A CN202111397415A CN114032882A CN 114032882 A CN114032882 A CN 114032882A CN 202111397415 A CN202111397415 A CN 202111397415A CN 114032882 A CN114032882 A CN 114032882A
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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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
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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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
- E02D5/12—Locking forms; Edge joints; Pile crossings; Branch pieces
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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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
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Abstract
The invention discloses a prefabricated underground continuous wall and a joint structure thereof, belonging to the field of continuous walls, wherein when concrete is poured, carbon dioxide aqueous solution in a liquid storage ball is shaken to promote the carbon dioxide to overflow into a straight cylinder, a piston is pushed to extrude a fixed tube to extend into a fixed groove, meanwhile, when a flexible sheet is extruded to be in a vertical state, two inclined rods are driven to separate from an extrusion reed to ensure that a limiting block extends into a limiting groove seat and punctures a film, a wet water viscous layer generates viscosity when meeting water, the limiting block and the limiting groove seat are promoted to be tightly adhered and fixed, the connection stability is strengthened, a stretching capsule body is stretched along with the reed to ensure that a thick rod pulls a movable plate and a pulling rod to move to promote a phase change support rod to be stretched, and the phase change support rod is formed into a rigid rod from soft hardening under the action of tension, thereby effectively relieving the impact influence of concrete pouring and providing support firmness for the adhesion and the limitation of the limiting block and the limiting groove seat, and the connection stability is enhanced.
Description
Technical Field
The invention relates to the field of continuous walls, in particular to a prefabricated underground continuous wall and a sectional joint structure.
Background
A continuous wall, also called underground continuous wall, is a foundation engineering, and adopts a trenching machine on the ground, along the peripheral axis of the deep trenching engineering, under the condition of slurry wall protection, a long and narrow deep groove is excavated, after the groove is cleaned, a reinforcement cage is hoisted in the groove, then underwater concrete is poured by a conduit method to construct a unit groove section, and the steps are carried out section by section, and a continuous reinforced concrete wall is constructed underground to be used as a structure for intercepting water, preventing seepage, bearing and retaining water.
Among the prior art, the diaphragm wall structure is relatively poor in stability when concreting for the diaphragm wall structure easily takes place to become flexible, is unfavorable for concreting, greatly reduced its result of use.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a prefabricated underground continuous wall and a joint structure, which can realize that when concrete is poured, carbon dioxide aqueous solution in a liquid storage ball is shaken to promote carbon dioxide to overflow into a straight cylinder, a piston is pushed to extrude a fixed pipe to extend into a fixed groove, meanwhile, two inclined rods are driven to separate from an extrusion reed along with a flexible sheet extruded to be in a vertical state, a limiting block is extended into a limiting groove seat, a thin film is punctured, a wet water viscous layer generates viscosity when meeting water, the limiting block and the limiting groove seat are promoted to be tightly adhered and fixed, the connection stability is strengthened, a stretching capsule body is stretched along with the reed, a thick rod is pulled and a pulling rod is moved, a phase change supporting rod is promoted to be stretched, the phase change supporting rod is hardened by a soft moving plate under the action of pulling force to form a hard supporting rod, and the impact influence of concrete pouring is effectively relieved, and the support firmness is provided for the adhesion limit of the limit block and the limit groove seat, and the connection stability is enhanced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A prefabricated underground diaphragm wall and a sectional joint structure comprises a detachable steel plate, a prefabricated steel plate is installed at the outer end of the detachable steel plate, two limiting baffle frames which are symmetrical up and down are fixedly connected to the inner wall of the prefabricated steel plate, horizontal steel bars are installed at the outer end of the prefabricated steel plate, longitudinal steel bars are fixedly connected to the outer end of the horizontal steel bars, rubber water stops are installed at the outer end of the horizontal steel bars, an axle sleeve shaft pin kit is installed at the outer end of the prefabricated steel plate, two liquid storage balls which are symmetrical up and down are fixedly connected inside the limiting baffle frames, carbon dioxide water solution is filled in the liquid storage balls, a straight barrel is fixedly connected to the inner wall of the limiting baffle frame, an air guide tube is fixedly connected between the liquid storage balls and the straight barrel and is respectively communicated with the liquid storage balls and the inside of the straight barrel, and a waterproof air guide tube is fixedly connected to the inner wall of the breathable film, the concrete pouring device is characterized in that a piston is connected in the straight cylinder in a sliding manner, a fixed pipe is fixedly connected to the right end of the piston, an opening is cut in the inner wall of the straight cylinder, two fixing grooves which are symmetrical up and down are cut in the detachable steel plate, an opening is cut in the outer end of the fixed pipe, a flexible sheet is fixedly connected to the inner wall of the opening, a reed is arranged inside the fixed pipe, two inclined rods are rotatably connected between the reed and the flexible sheet, a plurality of limiting blocks are fixedly connected to the upper outer end and the lower outer end of the reed, a plurality of limiting groove seats are fixedly connected to the inner wall of the fixing grooves, the limiting groove seats are matched with the limiting blocks, a plurality of extrusion ports are cut in the inner wall of the fixed pipe, the limiting blocks are positioned at the extrusion ports, wet water adhesive layers are arranged at the outer ends of the limiting blocks, thin films are fixedly connected in the limiting groove seats, and water solution is filled between the limiting groove seats and the thin films, so that when concrete is poured, carbon dioxide aqueous solution in the stock solution ball takes place to rock, make carbon dioxide spill over and enter into straight section of thick bamboo through the air duct in, make the piston promote fixed pipe extend to the fixed slot in, along with flexible piece is extruded to vertical state by the inner wall of fixed slot, fixed pipe stop motion, and flexible piece is by the extrusion back, two down tube keep away from the extrusion reed each other, it passes to extrude the mouth and extend to spacing groove seat in to push up the stopper, and the stopper extends to the interior puncture film of spacing groove seat, make aqueous solution trickle to on the wet water viscous layer, produce viscidity, firmly adhere with the inner wall of spacing groove seat tightly, consolidate connection stability, make it difficult emergence not hard up.
Furthermore, a stretching bag body is fixedly connected between the inner walls of the reeds, two thick rods which are symmetrical up and down are fixedly connected to the inner walls of the stretching bag body, a connecting frame is fixedly connected to one end, close to each other, of each thick rod, a moving plate is slidably connected to the inner wall of the connecting frame, a phase change support rod is fixedly connected between one end, far away from each other, of each moving plate and each thick rod, a pulling rod is fixedly connected to one end, close to each other, of each moving plate, a perforation is formed in the inner wall of the connecting frame, one end, far away from each moving plate, of each pulling rod penetrates through the perforation to be fixedly connected with the connecting frame positioned on the outer side of the corresponding pulling rod, when the reeds are extruded to move upwards, the stretching bag body is stretched and deformed, the two thick rods are pulled to be far away from each other, and the moving plates and the pulling rods also move along with the movement of the thick rods, so that the phase change support rods are stretched, and the phase change support rods are impacted by tensile force, it begins by soft sclerosis, forms a rigid support stick, not only effectual impact influence that slows down concrete placement, for the spacing support fastness that provides of the adhesion of stopper and spacing groove seat again, makes preformed steel plate and can dismantle difficult emergence between the steel sheet not hard up, reinforcing connection stability.
Further, the outer end fixedly connected with sealing washer of piston, the outer end of sealing washer and the inner wall in close contact with of straight section of thick bamboo, through the setting of sealing washer, reduce the air and outwards reveal the possibility through the gap between piston and the straight section of thick bamboo, make it fully extrude the piston.
Further, the inner wall of opening is dug there are two longitudinal symmetry's spherical groove, the inner wall of spherical groove rotates and is connected with the ball, the outer end of ball contacts with the outer end of fixed pipe, through the setting of ball, makes the motion of fixed pipe more smooth and easy convenient, reduces the friction influence.
Further, the flexible sheet is the bending state when receiving the extrusion, the flexible sheet is the vertical state after receiving the extrusion, and the flexible sheet is the bending state when not receiving the extrusion, is difficult for driving the down tube motion, and is the vertical state after it receives the extrusion, also drives the down tube along with its deformation simultaneously and takes place the motion.
Furthermore, the waterproof breathable film is made of a high-molecular waterproof material, the two waterproof breathable films positioned on the same side are respectively positioned on the upper side and the lower side of the straight cylinder, the circulation of carbon dioxide can be realized through the waterproof breathable films made of the high-molecular waterproof material, and meanwhile, the water solution is not easy to permeate.
Furthermore, the groove diameter of fixed slot and the bore phase-match of opening, through the groove diameter of fixed slot and the bore phase-match setting of opening, the motion of the fixed pipe of being convenient for.
Further, the outer end of stopper is the toper setting, the wet water adhesive layer adopts modified starch and high strength fiber material to mix and makes, establishes the toper through the outer end with the stopper, makes things convenient for it to puncture the film, and uses the wet water adhesive layer that modified starch and high strength fiber material mixed and make to have viscidity behind the contact water, makes stopper and spacing groove seat adhesion live, has high strength nature simultaneously, and difficult emergence drops, strengthens fixed effect.
Further, the phase change support rod is made of DCLAN material, the initial state of the phase change support rod is soft, the phase change support rod made of the DCLAN material is in the initial soft state, DCLAN molecules inside the phase change support rod can move freely, after the phase change support rod is pulled to impact by the moving plate, the DCLAN molecules can be rapidly gathered together, the phase change support rod is instantly hardened by soft to form a rigid support rod, the impact influence of concrete pouring is effectively relieved, the support firmness is provided for the limit position of the adhesion of the limit block and the limit groove seat, and the stability is enhanced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize when concreting, the carbon dioxide aqueous solution in the stock solution ball takes place to rock, make the carbon dioxide spill over and enter into straight section of thick bamboo through the air duct in, make the fixed pipe of piston promotion extend to the fixed slot in, along with the flexible piece is extruded to vertical state by the inner wall of fixed slot, fixed pipe stop motion, and the flexible piece is by the extrusion back, the extrusion reed is kept away from each other to two down tube, the top is moved the stopper and is passed and extrude the mouth and extend to spacing groove seat in, and the stopper extends to the interior puncture film of spacing groove seat, make the aqueous solution trickle to on the wet water adhesive layer, produce viscidity, firmly adhere with the inner wall of spacing groove seat, reinforced connection stability, make it difficult the emergence not hard up.
(2) A stretching capsule body is fixedly connected between the inner walls of the reeds, two thick rods which are symmetrical up and down are fixedly connected to the inner walls of the stretching capsule body, a connecting frame is fixedly connected to one end, close to each other, of each thick rod, a moving plate is slidably connected to the inner wall of the connecting frame, a phase change support rod is fixedly connected between one end, far away from each other, of each moving plate and each thick rod, a pulling rod is fixedly connected to one end, close to each other, of each moving plate, a through hole is formed in the inner wall of the connecting frame, one end, far away from each moving plate, of each pulling rod penetrates through the through hole to be fixedly connected with the connecting frame positioned on the outer side of the pulling rod, the reeds move upwards when being extruded, the stretching capsule body is stretched and deformed to pull the two thick rods to be far away from each other, the moving plates and the pulling rods also move along with the movement of the thick rods, so that the phase change support rods are stretched, and begin to become soft and hard after being impacted by tensile force, form a rigid support stick, not only effectual impact influence who slows down concrete placement, for the spacing support fastness that provides of stopper and spacing groove seat's adhesion again, make preformed steel sheet and can dismantle difficult emergence between the steel sheet and become flexible, reinforcing connection stability.
(3) The outer end fixedly connected with sealing washer of piston, the outer end of sealing washer and the inner wall in close contact with of straight section of thick bamboo, through the setting of sealing washer, reduce the air and outwards reveal the possibility through the gap between piston and the straight section of thick bamboo, make it fully extrude the piston.
(4) The inner wall excavation of opening has two longitudinal symmetry's spherical groove, and the inner wall of spherical groove rotates and is connected with the ball, and the outer end of ball contacts with the outer end of fixed pipe, through the setting of ball, makes the motion of fixed pipe more smooth and easy convenient, reduces the friction influence.
(5) The flexible sheet is in a bending state when being extruded, is in a vertical state after being extruded, is in a bending state when not being extruded, is not easy to drive the diagonal rod to move, is in a vertical state after being extruded, and simultaneously drives the diagonal rod to move along with the deformation of the diagonal rod.
(6) The waterproof breathable films are made of high-molecular waterproof materials, the two waterproof breathable films positioned on the same side are respectively positioned on the upper side and the lower side of the straight cylinder, the waterproof breathable films made of the high-molecular waterproof materials can realize the circulation of carbon dioxide, and meanwhile, the water solution is not easy to permeate.
(7) The groove footpath of fixed slot and the bore phase-match of opening, through the groove footpath of fixed slot and the bore phase-match setting of opening, the motion of the fixed pipe of being convenient for.
(8) The outer end of stopper is the toper setting, and the wet water adhesive layer adopts modified starch and high strength fiber material to mix to make, establishes to the toper through the outer end with the stopper, makes things convenient for it to puncture the film, and uses the wet water adhesive layer that modified starch and high strength fiber material mix to make to have viscidity behind the contact water, makes stopper and spacing groove seat adhesion live, has high strength nature simultaneously, is difficult for taking place to drop, strengthens fixed effect.
(9) The excellent DCLAN material of adoption is supported in the phase transition and is made, the initial condition that the stick is supported in the phase transition is the soft state, the stick is supported in the phase transition through using the material of DCLAN to make under initial soft state, its inside DCLAN molecule can free activity, and after receiving the pulling impact of movable plate, DCLAN molecule can gather together fast, the stick is supported by the phase transition is by soft sclerosis in the twinkling of an eye, form a rigid support stick, not only effectual impact influence that slows down concrete placement, for the spacing support firmness that provides of the adhesion of stopper and spacing groove seat, the reinforcing stability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a limit stop frame according to the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of a fixing tube according to the present invention;
FIG. 4 is a schematic cross-sectional view of the flexible sheet of the present invention after being compressed;
FIG. 5 is a schematic cross-sectional view of a limiting groove seat according to the present invention;
FIG. 6 is a schematic cross-sectional view of the extended limiting block of the present invention;
FIG. 7 is a schematic view of a partial cross-sectional structure of a connection frame according to the present invention.
The reference numbers in the figures illustrate:
1. a detachable steel plate; 2. pre-forming a steel plate; 3. a shaft sleeve shaft pin kit; 4. a rubber waterstop; 5. a limiting blocking frame; 6. horizontal reinforcing steel bars; 7. longitudinal reinforcing steel bars; 8. liquid storage balls; 9. an air duct; 10. a waterproof breathable film; 11. a straight cylinder; 1101. a ball bearing; 12. a piston; 13. a fixed tube; 14. fixing grooves; 15. a reed; 16. a flexible sheet; 17. a diagonal bar; 18. a limiting block; 19. a wet-water-binding layer; 20. a limiting groove seat; 21. a film; 22. stretching the capsule body; 23. a thick rod; 24. a connecting frame; 25. moving the plate; 26. pulling a rod; 27. and a phase change support rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-6, a prefabricated underground diaphragm wall and a joint structure thereof comprises a detachable steel plate 1, a preformed steel plate 2 is installed at the outer end of the detachable steel plate 1, two vertically symmetrical limiting baffle frames 5 are fixedly connected to the inner wall of the preformed steel plate 2, a horizontal reinforcing bar 6 is installed at the outer end of the preformed steel plate 2, a longitudinal reinforcing bar 7 is fixedly connected to the outer end of the horizontal reinforcing bar 6, a rubber water stop 4 is installed at the outer end of the horizontal reinforcing bar 6, a shaft sleeve shaft pin kit 3 is installed at the outer end of the preformed steel plate 2, two vertically symmetrical liquid storage balls 8 are fixedly connected to the inner part of the limiting baffle frames 5, a carbon dioxide aqueous solution is filled in the liquid storage balls 8, a straight cylinder 11 is fixedly connected to the inner wall of the limiting baffle frames 5, an air duct 9 is fixedly connected between the liquid storage balls 8 and the straight cylinder 11, the air duct 9 is respectively communicated with the liquid storage balls 8 and the inner part of the straight cylinder 11, and a waterproof and breathable film 10 is fixedly connected to the inner wall of the air duct 9, a piston 12 is connected in a straight cylinder 11 in a sliding manner, the right end of the piston 12 is fixedly connected with a fixed tube 13, the inner wall of the straight cylinder 11 is provided with an opening, a detachable steel plate 1 is provided with two vertically symmetrical fixed grooves 14, the outer end of the fixed tube 13 is provided with an opening, the inner wall of the opening is fixedly connected with a flexible sheet 16, a reed 15 is arranged in the fixed tube 13, two inclined rods 17 are rotatably connected between the reed 15 and the flexible sheet 16, the upper outer end and the lower outer end of the reed 15 are fixedly connected with a plurality of limiting blocks 18, the inner wall of the fixed tube 14 is fixedly connected with a plurality of limiting groove seats 20, the limiting groove seats 20 are matched with the limiting blocks 18, the inner wall of the fixed tube 13 is provided with a plurality of extrusion ports, the limiting blocks 18 are positioned at the extrusion ports, the outer ends of the limiting blocks 18 are provided with wet-water adhesive layers 19, films 21 are fixedly connected in the limiting groove seats 20, and water solution is filled between the limiting groove seats 20 and the films 21, when concrete is poured, the carbon dioxide water solution in the liquid storage ball 8 shakes, so that the carbon dioxide overflows through the air duct 9 and enters the straight cylinder 11, the piston 12 is prompted to push the fixed pipe 13 to extend into the fixed groove 14, the fixed pipe 13 stops moving along with the extrusion of the flexible sheet 16 by the inner wall of the fixed groove 14 to a vertical state, after the flexible sheet 16 is extruded, the two inclined rods 17 are mutually far away from the extrusion reed 15, the jacking limiting block 18 penetrates through the extrusion opening and extends into the limiting groove seat 20, and the limiting block 18 extends into the limiting groove seat 20 to puncture the film 21, so that the water solution flows onto the wet water adhesive layer 19 to generate viscosity, tightly adhered to the inner wall of the limiting groove seat 20, reinforcing the connection stability, ensuring that the connecting groove seat is not easy to loosen, and after the pouring is finished, can realize dismantling the dismantlement of steel sheet 1, preforming steel sheet 2, axle sleeve pivot external member 3 and spacing fender frame 5, be convenient for its use.
Referring to fig. 2-7, a stretching capsule 22 is fixedly connected between inner walls of the reeds 15, two thick rods 23 which are symmetrical up and down are fixedly connected to the inner wall of the stretching capsule 22, a connecting frame 24 is fixedly connected to one end of each thick rod 23 which is close to each other, a moving plate 25 is slidably connected to the inner wall of the connecting frame 24, a phase change support rod 27 is fixedly connected between one end of each moving plate 25 which is far away from each other and the thick rod 23, a pulling rod 26 is fixedly connected to one end of each moving plate 25 which is close to each other, a through hole is formed in the inner wall of the connecting frame 24, one end of the pulling rod 26 which is far away from the moving plate 25 passes through the through hole and is fixedly connected to the connecting frame 24 which is located outside the pulling rod, when the reeds 15 are pressed to move upwards, the stretching capsule 22 is stretched and deformed, the two thick rods 23 are pulled to be far away from each other, and the moving plate 25 and the pulling rod 26 also move along with the movement of the thick rods 23, so that the phase change support rod 27 is stretched, and the phase change support stick 27 receives tensile impact back, and it begins by soft stiffening, forms a rigid support stick, not only the effectual impact influence that slows down concrete placement, for the spacing support fastness that provides of the adhesion of stopper 18 and spacing groove seat 20 again, makes difficult emergence between preformed steel plate 2 and the detachable steel plate 1 not hard up, reinforcing connection stability.
Referring to fig. 2-4, the outer end of the piston 12 is fixedly connected with a sealing ring, the outer end of the sealing ring is tightly contacted with the inner wall of the straight cylinder 11, the sealing ring is arranged to reduce the possibility that air leaks outwards through the gap between the piston 12 and the straight cylinder 11, so that the air can fully extrude the piston 12, two vertically symmetrical spherical grooves are drilled on the inner wall of the through hole, the inner wall of each spherical groove is rotatably connected with a ball 1101, the outer end of each ball 1101 is in contact with the outer end of the fixed pipe 13, through the arrangement of the balls 1101, the movement of the fixed pipe 13 is smoother and more convenient, the friction influence is reduced, the flexible sheet 16 is in a bending state when being extruded, the flexible sheet 16 is in a vertical state after being extruded, the flexible sheet 16 is in a bending state when not being extruded, the inclined rod 17 is not easy to be driven to move, and is in a vertical state after being squeezed, and simultaneously drives the inclined rod 17 to move along with the deformation of the inclined rod.
Referring to fig. 2-6, the waterproof breathable film 10 is made of a high polymer waterproof material, the two waterproof breathable films 10 located on the same side are respectively located on the upper side and the lower side of the straight cylinder 11, the waterproof breathable film 10 made of the high polymer waterproof material can realize the circulation of carbon dioxide, and simultaneously can prevent the water solution from permeating easily, the groove diameter of the fixing groove 14 is matched with the caliber of the through opening, the movement of the fixing pipe 13 is facilitated by the arrangement that the groove diameter of the fixing groove 14 is matched with the caliber of the through opening, the outer end of the limiting block 18 is arranged in a conical shape, the wet sticky layer 19 made of the modified starch and the high-strength fiber material is made of a mixture, the outer end of the limiting block 18 is arranged in a conical shape to facilitate the puncturing of the film 21, and the wet sticky layer 19 made of the modified starch and the high-strength fiber material has viscosity after contacting water, so that the limiting block 18 is adhered to the limiting groove seat 20, meanwhile, the fixing device has high strength, is not easy to fall off, and enhances the fixing effect.
Referring to fig. 7, the phase change support rod 27 is made of DCLAN material, the phase change support rod 27 is in a soft state in an initial state, DCLAN molecules inside the phase change support rod 27 made of DCLAN material can move freely in the initial soft state, and after the phase change support rod 27 is pulled and impacted by the moving plate 25, the DCLAN molecules can be rapidly gathered together, and the phase change support rod 27 is instantly hardened by the soft state to form a hard support rod, so that impact influence of concrete pouring is effectively relieved, support firmness is provided for adhesion limiting of the limiting block 18 and the limiting groove seat 20, and stability is enhanced.
In the invention, when a technician in a related department uses the device, during the concrete pouring process, the carbon dioxide water solution in the liquid storage ball 8 shakes to enable the carbon dioxide to overflow through the air duct 9 and enter the straight cylinder 11, so that the piston 12 pushes the fixed tube 13 to extend into the fixed groove 14, the fixed tube 13 stops moving along with the extrusion of the flexible sheet 16 to the vertical state by the inner wall of the fixed groove 14, and after the flexible sheet 16 is extruded, the two inclined rods 17 are mutually away from the extrusion reed 15, the pushing limiting block 18 penetrates through the extrusion opening and extends into the limiting groove seat 20, and the limiting block 18 extends into the limiting groove seat 20 to puncture the thin film 21, so that the water solution flows onto the wet water viscous layer 19 to generate viscosity, is tightly adhered to the inner wall of the limiting groove seat 20 to reinforce the connection stability and prevent the loosening of the connection, and when the reed 15 is extruded to move upwards, the stretching bag body 22 is stretched and deformed, two thick poles 23 of pulling keep away from each other, movable plate 25 and pulling pole 26 also remove along with thick pole 23's motion simultaneously, make phase transition support stick 27 stretched, and phase transition support stick 27 receives tensile impact back, it begins by soft sclerosis, form a rigid support stick, not only effectual impact influence that slows down concrete placement, support the fastness for the spacing support that provides of stopper 18 and spacing groove seat 20's adhesion again, make preformed steel sheet 2 and can dismantle between the steel sheet 1 difficult emergence not hard up, reinforcing connection stability, after pouring, can be to dismantling steel sheet 1, preformed steel sheet 2, axle sleeve pivot external member 3 and spacing fender frame 5 dismantle, make things convenient for its use.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a prefabricated underground continuous wall and merogenesis joint design, is including dismantling steel sheet (1), its characterized in that: the prefabricated steel plate (2) is installed at the outer end of the detachable steel plate (1), the two vertically symmetrical limiting blocking frames (5) are fixedly connected to the inner wall of the prefabricated steel plate (2), the horizontal reinforcing steel bars (6) are installed at the outer end of the prefabricated steel plate (2), the longitudinal reinforcing steel bars (7) are fixedly connected to the outer end of the horizontal reinforcing steel bars (6), the rubber water stop belt (4) is installed at the outer end of the horizontal reinforcing steel bars (6), the shaft sleeve shaft pin kit (3) is installed at the outer end of the prefabricated steel plate (2), the two vertically symmetrical liquid storage balls (8) are fixedly connected to the inner portion of the limiting blocking frame (5), the liquid storage balls (8) are filled with carbon dioxide water solution, the straight cylinder (11) is fixedly connected to the inner wall of the limiting blocking frame (5), and the air guide tube (9) is fixedly connected between the liquid storage balls (8) and the straight cylinder (11), and the air duct (9) is respectively communicated with the interior of the liquid storage ball (8) and the straight cylinder (11), the inner wall of the air duct (9) is fixedly connected with a waterproof breathable film (10), the straight cylinder (11) is internally and slidably connected with a piston (12), the right end of the piston (12) is fixedly connected with a fixed pipe (13), the inner wall of the straight cylinder (11) is provided with a through opening, two fixing grooves (14) which are symmetrical up and down are formed in the detachable steel plate (1), the outer end of the fixed pipe (13) is provided with an opening, the inner wall of the opening is fixedly connected with a flexible sheet (16), a reed (15) is arranged in the fixed pipe (13), two inclined rods (17) are rotatably connected between the reed (15) and the flexible sheet (16), the upper outer end and the lower outer end of the reed (15) are fixedly connected with a plurality of limit blocks (18), the inner wall of the fixing groove (14) is fixedly connected with a plurality of limit groove seats (20), spacing groove seat (20) and stopper (18) phase-match, the inner wall of fixed pipe (13) is dug and is had a plurality of mouths of extruding, and stopper (18) are located and extrude the mouth, the outer end of stopper (18) is equipped with wet water viscous layer (19), fixedly connected with film (21) in spacing groove seat (20), and it has aqueous solution to fill between spacing groove seat (20) and film (21).
2. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: fixedly connected with stretches utricule (22) between the inner wall of reed (15), the thick pole (23) of two upper and lower symmetries of inner wall fixedly connected with of stretching utricule (22), two the equal fixedly connected with connection box (24) of one end that thick pole (23) are close to each other, the inner wall sliding connection of connection box (24) has movable plate (25), two fixedly connected with phase transition support stick (27), two between the one end that movable plate (25) kept away from each other and thick pole (23) the equal fixedly connected with pulling rod (26) of one end that movable plate (25) are close to each other, the inner wall of connection box (24) is opened and is dug there is the perforation, the one end that pulling rod (26) kept away from movable plate (25) is passed the perforation and is located connection box (24) fixed connection in its outside.
3. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: the outer end of the piston (12) is fixedly connected with a sealing ring, and the outer end of the sealing ring is in close contact with the inner wall of the straight cylinder (11).
4. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: the inner wall of opening is dug there are two longitudinal symmetry's spherical groove, the inner wall of spherical groove rotates and is connected with ball (1101), the outer end of ball (1101) contacts with the outer end of fixed pipe (13).
5. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: the flexible sheet (16) is in a bent state when being extruded, and the flexible sheet (16) is in a vertical state after being extruded.
6. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: the waterproof breathable films (10) are made of high-molecular waterproof materials, and the two waterproof breathable films (10) positioned on the same side are respectively positioned on the upper side and the lower side of the straight cylinder (11).
7. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: the groove diameter of the fixing groove (14) is matched with the caliber of the through opening.
8. The prefabricated underground diaphragm wall and segment joint structure of claim 1, wherein: the outer end of the limiting block (18) is arranged in a conical shape, and the wet water-binding layer (19) is made of modified starch and high-strength fiber materials in a mixing mode.
9. The prefabricated underground diaphragm wall and segment joint structure of claim 2, wherein: the phase change support rod (27) is made of DCLAN material, and the initial state of the phase change support rod (27) is a soft state.
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| CN202111397415.3A CN114032882B (en) | 2021-11-23 | 2021-11-23 | Segmented joint structure of prefabricated underground diaphragm wall |
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| CN202111397415.3A CN114032882B (en) | 2021-11-23 | 2021-11-23 | Segmented joint structure of prefabricated underground diaphragm wall |
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| CN213741013U (en) * | 2020-11-05 | 2021-07-20 | 广州南华工程管理有限公司 | Prefabricated underground continuous wall groove section structure |
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| CN114032882B (en) | 2022-06-24 |
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