CN210395391U - Anti-seepage wall fore shaft pipe structure - Google Patents
Anti-seepage wall fore shaft pipe structure Download PDFInfo
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- CN210395391U CN210395391U CN201920580013.9U CN201920580013U CN210395391U CN 210395391 U CN210395391 U CN 210395391U CN 201920580013 U CN201920580013 U CN 201920580013U CN 210395391 U CN210395391 U CN 210395391U
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Abstract
The utility model provides a cut-off wall locking pipe structure, which is characterized in that a light backfill body is arranged in the gap between an assembled guide wall and a guide wall laying groove, a support anchor bar is arranged in the light backfill body, and a positioning bearing beam is arranged between the opposite support anchor bars; the upper surface of the positioning bearing beam is provided with an outer pipe control body and a jacking connecting plate, and the lower surface of the positioning bearing beam is provided with an inner pipe control body; a connecting sleeve plate is arranged between the jacking connecting plate and the outer sleeve, and a pipe jacking connecting plate is arranged at the lower part of the inner pipe control body; the lower part of the pipe top connecting plate is connected with the fore shaft pipe, and the fore shaft pipe is firmly connected with the guide wall laying groove. The utility model discloses the fore shaft pipe is on-spot to be inserted and establishes the convenience, and it is good to be connected the seal with the channel lateral wall, can effectively promote the precision of fore shaft pipe installation location when concrete placement quality improves.
Description
Technical Field
The utility model relates to a hydraulic engineering field, in particular to can improve site operation quality and efficiency, reduce the site operation degree of difficulty, promote fore shaft pipe installation positioning accuracy's cut-off wall fore shaft tubular construction, be applicable to prevention of seepage construction engineering.
Background
The concrete impervious wall has the characteristics of strong deformation adaptability and unique advantages in the aspect of seepage resistance, and is widely applied to hydraulic engineering construction and reinforcing construction at present. When the concrete impervious wall is constructed, the quality control is concentrated on the aspects of setting and pulling out the fore shaft pipe, and the like, so that the design of the structure which has accurate positioning of the fore shaft pipe and can be conveniently pulled out is particularly important.
The novel fore shaft pipe in the prior art overcomes the defects that the prior fore shaft pipe adopts a rigid round steel pipe, the diameter cannot be changed at will and the adaptability is poor, the whole body is of a foldable structure and comprises a plurality of sections of battens with enough thickness, the battens are connected through high-strength connecting shafts, locking devices are arranged between the battens, and the battens are provided with contact planes; the lath rotates around the connecting shaft and is adjusted to the width of a locking notch equal to the width of the continuous wall; the rotation of the slats about the connecting axis changes the shape of the end closure of the wall segment. Although the fore shaft pipe structure can meet the requirement of width change adjustment, the fore shaft pipe structure has improvements in the aspects of overall tightness enhancement, site construction positioning accuracy improvement and the like.
In view of this, in order to improve the existing engineering problems, the invention of the anti-seepage wall fore shaft pipe structure has the advantages of convenience in installation and location correction of the fabricated guide wall, high connection strength with the foundation soil layer, capability of effectively improving the field construction efficiency and the integrity of a construction structure, convenience in field insertion and arrangement of the fore shaft pipe, high connection strength with the side wall of the channel, good sealing property, and capability of effectively improving the installation and location precision of the fore shaft pipe while improving the concrete pouring quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a not only can improve site operation quality and efficiency, can reduce the site operation degree of difficulty moreover, can also promote fore shaft pipe installation positioning accuracy's cut-off wall fore shaft tubular construction.
In order to realize above arbitrary utility model purpose, the utility model provides a cut-off wall fore shaft tubular construction sets up on the foundation soil layer, wherein digs in the foundation soil layer and establishes the bottom plate and lay the groove and lead the wall and lay the groove, include: the assembly type guide wall comprises an assembly type guide wall, a fore shaft pipe, a plate bottom leveling layer, a pressure-bearing bottom plate, a lateral buttress, a light backfilling body, a support anchor bar, a positioning bearing beam, an outer pipe control body, a jacking connecting plate, an inner pipe control body and a pipe top connecting plate;
the bottom leveling layer and the pressure-bearing bottom plate are sequentially arranged in the bottom plate arrangement groove, the assembly type guide wall is arranged on the pressure-bearing bottom plate, the lateral buttress is arranged on the outer side of the assembly type guide wall, and a light backfill body is arranged in a gap between the assembly type guide wall and the guide wall arrangement groove; wherein the light backfill body is internally provided with supporting anchor bars, a positioning bearing beam is arranged between the opposite supporting anchor bars, the upper surface of the positioning bearing beam is provided with at least two outer pipe control bodies and a jacking connecting plate, the lower surface of the positioning bearing beam is provided with at least two inner pipe control bodies, the lower part of each inner pipe control body is provided with a pipe jacking connecting plate (19), and the lower part of each pipe jacking connecting plate is connected with the locking pipe.
In some embodiments, the fore shaft pipe is composed of an inner steel pipe, a rigid elastic sheet, a rigid vertical rod and a circumferential sealing layer from inside to outside in sequence, and the fore shaft pipe is arranged in the groove body between the assembled guide walls on the two sides.
In some embodiments, 3-6 rigid spring plates are uniformly arranged on the outer side of the inner-layer steel pipe at intervals in the circumferential direction, the rigid vertical rods are connected with the rigid spring plates, the cross sections of the rigid vertical rods are arc-shaped, the circumferential sealing layer is connected with the rigid vertical rods, and the cross sections of the circumferential sealing layer are circular.
In some embodiments, a rubber connector is disposed between the rigid domes.
In some embodiments, the rigid elastic sheet is welded with the inner layer steel pipe, the upright rod connecting shaft is arranged at the vertical joint of the rigid upright rod, and the annular sealing layer is connected with the rigid upright rod in a sticking way.
In some embodiments, an outer sleeve is included and is disposed through the alignment load beam and the outer control body, the outer sleeve being positioned between the fore shaft tube and the fabricated guide wall.
In some embodiments, a connecting sleeve plate is arranged between the top pressing connecting plate and the outer sleeve.
In some embodiments, the support anchor bars are vertically arranged on the light backfill body, and the support anchor bars and the positioning bearing beams are vertically arranged.
In some embodiments, the outer tube control body and the inner tube control body are both formed by combining a screw and a bolt, and the length of the outer tube control body and the inner tube control body is adjustable.
In some embodiments, the assembled guide wall is internally provided with a lacing bar through hole, two sides of the assembled guide wall are respectively provided with a connecting convex tenon and a connecting groove along the height direction, and a joint sealing body is arranged in the connecting groove.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a wall installation school position is led to cut-off wall fore shaft tubular construction's assembled convenience, is connected intensity height with the foundation soil layer, can effectively promote the wholeness of site operation efficiency and construction structures.
2. The utility model provides a convenience is established to fore shaft pipe on-the-spot inserting of cut-off wall fore shaft tubular construction, and is high with channel lateral wall joint strength, and the seal is good, can effectively promote the precision of fore shaft pipe installation location in the concrete placement quality improvement.
Drawings
Fig. 1 is a schematic structural view of a cut-off pipe structure of a cut-off wall according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure view of the assembled guide wall according to the present invention.
Fig. 3 is a schematic structural diagram of the connection of the inner steel pipe and the annular airtight body according to the present invention.
In the figure: 1, assembling type guide walls; 2-a fore shaft tube; 3-a foundation soil layer; 4-laying grooves on the bottom plate; 5-arranging a groove on the guide wall; 6-leveling layer of the plate bottom; 7-a pressure-bearing bottom plate; 8-lateral buttress; 9-the lacing wire penetrates through the hole; 10-light backfill body; 11-supporting anchor bars; 12-positioning the carrier beam; 13-an outer tube control body; 14-top pressing connecting plate; 15-inner tube control body; 16-an outer casing; 17-connecting the sleeve plate; 18-inner steel pipe; 19-a pipe top connection plate; 20-rigid shrapnel; 21-rigid vertical rods; 22-a rubber linkage; 23-a circumferential sealing layer; 24-connecting convex falcon; 25-connecting the groove; 26-seam closures; 27-vertical rod connecting shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
FIG. 1 is a schematic view of the structure of the cut-off pipe of the diaphragm wall of the present invention; FIG. 2 is a schematic cross-sectional view of the assembled guide wall of FIG. 1; fig. 3 is a schematic view of a connection structure of the inner steel tube and the circumferential obturator in fig. 1.
As shown in fig. 1 to fig. 3, the cut-off pipe structure of the impervious wall is arranged on the foundation soil layer (3), wherein the foundation soil layer (3) is internally dug with a bottom plate laying groove (4) and a guide wall laying groove (5), the bottom plate laying groove (4) is arranged at the bottom side of the guide wall laying groove (5), comprising:
the prefabricated guide wall comprises an assembled guide wall (1), a fore shaft pipe (2), a plate bottom leveling layer (6), a pressure-bearing bottom plate (7), a lateral buttress (8), a light backfilling body (10), a support anchor bar (11), a positioning bearing beam (12), an outer pipe control body (13), a jacking connecting plate (14), an inner pipe control body (15) and an outer sleeve (16).
Wherein, the bottom leveling layer (6) and the pressure-bearing bottom plate (7) are sequentially arranged in the bottom plate laying groove (4), the top plane of the pressure-bearing bottom plate (7) is horizontally arranged on the bottom plane of the guide wall laying groove (5), the assembly guide wall (1) is arranged on the pressure-bearing bottom plate (7), the inner side of the assembly guide wall (1) is close to the groove edge of the guide wall laying groove (4), the outer side of the assembly guide wall (1) is provided with a lateral buttress (8), and the lateral buttress (8) penetrates through the pressure-bearing bottom plate (7) and the bottom leveling layer (6) and is fixed on the foundation soil layer (3).
A light backfill body (10) is arranged in a gap between the assembled guide wall (1) and the guide wall arrangement groove (5), supporting anchor bars (11) are arranged in the light backfill body (10), and positioning bearing beams (12) are arranged between the opposite supporting anchor bars (11), wherein the supporting anchor bars (11) are vertically arranged on the light backfill body (10), and the supporting anchor bars (11) and the positioning bearing beams (12) are vertically arranged.
The upper surface of the positioning bearing beam (12) is provided with at least two outer pipe control bodies (13) and a jacking connecting plate (14), the jacking connecting plate (14) is connected with the at least two outer pipe control bodies (13), the lower surface is provided with at least two inner pipe control bodies (15), the lower part of each inner pipe control body (15) is provided with a pipe jacking connecting plate (19), and the pipe jacking connecting plate (19) is connected with the at least two inner pipe control bodies (15).
The outer pipe control body (13) and the inner pipe control body (15) are both formed by combining a screw rod and a bolt, and the length of the outer pipe control body and the inner pipe control body is adjustable.
The outer sleeve (16) passes through the positioning bearing beam (12) and the outer pipe control body (13), and a connecting sleeve plate (17) is arranged between the jacking connecting plate (14) and the outer sleeve (16).
The lower part of the pipe top connecting plate (19) is connected with the fore shaft pipe (2), and the outer sleeve (16) is positioned between the fore shaft pipe (2) and the assembled guide wall (1).
The fore shaft pipe (2) is composed of an inner steel pipe (18), a rigid elastic sheet (20), a rigid vertical rod (21) and a circumferential sealing layer (23) from inside to outside in sequence, and specifically, an outer sleeve (16) is arranged between the circumferential sealing layer (23) and the assembled guide wall (1).
The outside of inlayer steel pipe (18) is followed the hoop and is set up rigidity shell fragment (20) and rigidity pole setting (21), and rigidity shell fragment (20) are connected in rigidity pole setting (21), promptly, inlayer steel pipe (18) are connected to the one end of rigidity shell fragment (20), and rigidity pole setting (21) are connected to the other end, set up rubber connector (22) between rigidity shell fragment (20).
The rigid elastic sheets (20) are uniformly arranged at intervals of 3-6 times along the circumferential direction on the outer side of the inner-layer steel pipe (18), are welded with the inner-layer steel pipe (18), and are bonded with the rubber connecting body (22); the rigid upright stanchion (21) is formed by rolling a steel plate, the cross section of the rigid upright stanchion is arc-shaped, and an upright stanchion connecting shaft (27) is arranged at the vertical joint of the rigid upright stanchion (21); the cross section of the annular sealing layer (23) is annular and is connected with the rigid upright rod (21) in a sticking way.
The inner layer steel pipe (18) is a steel pipe with the wall thickness of 2mm and the diameter of 40 cm; wherein the length of the rigid elastic sheet (20) is 10cm, and the width thereof is 4 cm; the rubber connector (22) adopts a rubber sheet with the thickness of 2mm and the width of 10 cm; the rigid upright rod (21) adopts a steel pipe with the diameter of 20mm, and the length of each segment is 50 cm; the circumferential sealing layer (23) outside the rigid upright rod (21) adopts a rubber plate with the thickness of 2 mm.
The inside of wall (2) is led to the assembled sets up lacing wire wear to establish hole (9), and both sides set up respectively along the direction of height and connect tenon (24) and connecting groove (25) to lay seam obturator (26) in connecting groove (25).
The concrete strength grade of the fabricated guide wall (1) is C35, the width of the fabricated guide wall is 50cm, the length of the fabricated guide wall is 1m, and the height of the fabricated guide wall is 1 m; the assembled guide wall (1) is provided with a connecting convex tenon (24) and a connecting groove (25), the cross sections of the connecting convex tenon (24) and the connecting groove (25) are isosceles trapezoids, and the bottom widths are 20cm and 21cm respectively; the seam closure (26) has a thickness of 8 mm.
The foundation soil layer (3) is cohesive soil in a hard plastic state.
The width of the bottom plate distributing groove (4) is 50cm, and the height of the bottom plate distributing groove is 10 cm; the width of the guide wall arrangement groove (5) is 100cm, the height is 40cm, and the cross section is in an isosceles trapezoid shape.
The bottom leveling layer (6) is made of medium coarse sand with good gradation and has the thickness of 2 cm.
The pressure-bearing bottom plate (7) is made of a reinforced concrete slab with the thickness of 8cm and the strength grade of C45.
The side buttress (8) adopts H-shaped steel with the specification of 100 multiplied by 6 multiplied by 8.
The diameter of the lacing wire through hole (9) is 35 mm.
The light backfill body (10) adopts foam concrete with the weight of 1.1t/m 3.
The supporting anchor bars (11) are steel pipes with the diameter of 100 mm.
The positioning bearing beam (12) is formed by rolling H-shaped steel with the specification of 100 multiplied by 6 multiplied by 8.
The outer pipe control body (13) and the inner pipe control body (15) are respectively formed by combining a screw rod with the diameter of 22mm and the diameter of 30mm with a bolt, and the length of the outer pipe control body and the inner pipe control body is adjustable.
The top pressing connecting plate (14) is made of a steel plate with the thickness of 2 mm.
The outer sleeve (16) is made of a steel plate with the diameter of 2mm and the diameter of 60 cm.
The connecting sleeve plate (17) is formed by rolling a steel plate material with the thickness of 3 mm.
The pipe top connecting plate (19) is made of a steel plate with the thickness of 3 mm.
The upright rod connecting shaft (27) adopts a stainless steel rotating shaft with the diameter of 20 mm.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a cut-off wall fore shaft tubular construction sets up on foundation soil layer (3), wherein digs in foundation soil layer (3) and establishes bottom plate and lay groove (4) and lead the wall and lay groove (5), its characterized in that includes:
the prefabricated guide wall comprises an assembled guide wall (1), a fore shaft pipe (2), a plate bottom leveling layer (6), a pressure-bearing bottom plate (7), a lateral buttress (8), a light backfilling body (10), a support anchor bar (11), a positioning bearing beam (12), an outer pipe control body (13), a jacking connecting plate (14), an inner pipe control body (15) and a pipe top connecting plate (19);
wherein the slab bottom leveling layer (6) and the pressure-bearing bottom plate (7) are sequentially arranged in the bottom plate arrangement groove (4), the assembled guide wall (1) is arranged on the pressure-bearing bottom plate (7), the outer side of the assembled guide wall (1) is provided with a lateral buttress (8), and a light backfill body (10) is arranged in a gap between the assembled guide wall (1) and the guide wall arrangement groove (5);
the light backfill structure is characterized in that supporting anchor bars (11) are arranged in the light backfill body (10), positioning bearing beams (12) are arranged between the opposite supporting anchor bars (11), at least two outer pipe control bodies (13) and a jacking connecting plate (14) are arranged on the upper surfaces of the positioning bearing beams (12), at least two inner pipe control bodies (15) are arranged on the lower surfaces of the positioning bearing beams, a pipe jacking connecting plate (19) is arranged on the lower portion of each inner pipe control body (15), and the lower portion of each pipe jacking connecting plate (19) is connected with the locking pipe (2).
2. The cut-off wall fore shaft structure according to claim 1, characterized in that the cut-off pipe (2) is composed of an inner steel pipe (18), a rigid elastic sheet (20), a rigid vertical rod (21) and a circumferential sealing layer (23) from inside to outside, and the cut-off pipe (2) is arranged in a groove between the assembled guide walls (1) at two sides.
3. The cut pipe structure of the impervious wall according to claim 2, wherein 3 to 6 rigid elastic pieces (20) are uniformly arranged at intervals along the circumferential direction on the outer side of the inner layer steel pipe (18), the rigid upright rods (21) are connected with the rigid elastic pieces (20), the cross section of each rigid upright rod (21) is in a circular arc shape, the circumferential airtight layer (23) is connected with the rigid upright rods (21), and the cross section of each circumferential airtight layer (23) is in a circular ring shape.
4. A cut-off wall tube structure according to any one of claims 1 to 3, characterized in that rubber connectors (22) are provided between the rigid resilient sheets (20).
5. The cut-off wall locking pipe structure according to claim 4, wherein the rigid elastic sheet (20) is welded with the inner layer steel pipe (18), a vertical rod connecting shaft (27) is arranged at the vertical joint of the rigid vertical rod (21), and the annular sealing layer (23) is connected with the rigid vertical rod (21) in a sticking way.
6. A diaphragm wall fore shaft structure according to claim 1, characterized by comprising an outer sleeve (16), the outer sleeve (16) being disposed through the positioning carrier bar (12) and the outer tube control body (13), the outer sleeve (16) being located between the fore shaft (2) and the fabricated guide wall (1).
7. An impervious wall fore shaft structure according to claim 6, characterized in that a connecting sleeve plate (17) is arranged between the top pressing connecting plate (14) and the outer sleeve (16).
8. The cut-off wall fore shaft structure according to the claim 1, characterized in that the supporting anchor bars (11) are vertically arranged on the light backfill body (10), and the supporting anchor bars (11) and the positioning bearing beams (12) are vertically arranged.
9. The cut-off wall locking pipe structure according to claim 1, wherein the outer pipe control body (13) and the inner pipe control body (15) are formed by combining a screw rod and a bolt, and the length of the outer pipe control body and the inner pipe control body is adjustable.
10. An impervious wall fore shaft structure according to claim 1, characterized in that the assembled guide wall (1) is internally provided with a lacing bar through hole (9), two sides are respectively provided with a connecting convex tenon (24) and a connecting groove (25) along the height direction, and a seam sealing body (26) is arranged in the connecting groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580013.9U CN210395391U (en) | 2019-04-25 | 2019-04-25 | Anti-seepage wall fore shaft pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580013.9U CN210395391U (en) | 2019-04-25 | 2019-04-25 | Anti-seepage wall fore shaft pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210395391U true CN210395391U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920580013.9U Active CN210395391U (en) | 2019-04-25 | 2019-04-25 | Anti-seepage wall fore shaft pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210395391U (en) |
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2019
- 2019-04-25 CN CN201920580013.9U patent/CN210395391U/en active Active
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